How long is the flight from London to Pasadena?

LEVEL, TAP AIR PORTUGAL, and Delta can get you from London to Pasadena in just under 13h 50m. Your travel time can differ by up to 11h 40m. London and Pasadena are separated by a distance of 5439 mi. Both multi-stop and direct flights can be found to your destination and back.

What are the cheapest airlines to fly from London to Pasadena one-way?

One-way options have recently been found by users for as low as £283 on LEVEL. Other airlines that offer cheap prices include Norse Atlantic UK from £306 and British Airways from £310 one-way.

In terms of precipitation, rainfall in Pasadena ranges from 0.0 - 87.0 inches per month. February is typically the wettest month, when rainfall can reach 87.0 mm. July is typically the driest time to visit Pasadena when rainfall is around 0.0 mm.

If weather is an important factor for your trip to Pasadena, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 23.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 14.0 C).

What are the most popular routes from London to Pasadena?

When deciding which route to take from London to Pasadena consider London Heathrow - Los Angeles, London Gatwick - Los Angeles or London City - Los Angeles as they are the most popular.

What are the cheapest flights from London to Pasadena?

On average you can expect to pay £2,623 for a flight from London to Pasadena. The cheapest flight overall is £361 while the most popular route, (London Heathrow - Los Angeles) is currently priced at £348.

What are the most reliable airlines from London to Pasadena?

Before booking your flight to Pasadena from London, check out the most reliable airlines to get you to your destination on time: KLM (84%), Air France (84%), Delta( 84%).

What are the most popular airlines that fly from London to Pasadena?

When booking a flight from London to Pasadena, you may want to consider flying on Virgin Atlantic, British Airways or Lufthansa as they are the most popular for this route.

Can I find deals for flights from London to Pasadena that include hotel bookings?

Yes. In addition to deals on London to Pasadena flights, Cheapflights offers holiday packages that include both flights and hotel.

How can I find direct flights from London to Pasadena?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from London to Pasadena.

Can I find deals for business class flights from London to Pasadena?

Yes. Cheapflights offers flight deals from London to Pasadena by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

£277+ Cheap Flights from London to Pasadena

Q: How much does it cost for a return flight from London to Pasadena?

Airfare is below average for this route at the moment. London to Pasadena flights typically cost between £415 and £587 in November. The cheapest return flight price found within the last 3 days was £361 on TAP AIR PORTUGAL (17 Nov-2 Dec).

Cheapflights Tip: The best prices from London to Pasadena are usually found in September or February, booked 7 days in advance, depart on a Wednesday or Tuesday and return on a Wednesday

Find flight deals from London to Pasadena

Enter your travel dates to find the best prices.

Cheapest flights from London to Pasadena
Explore the most affordable flight options available from London to Pasadena. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 16 October 2025.

Mon 17/1116:35LGW - LAX

1 stop30h 25mTAP AIR PORTUGAL

Tue 2/1216:45LAX - LGW

1 stop33h 05mTAP AIR PORTUGAL

Deal found 14/10£361

Mon 17/1113:40LHR - LAX

1 stop33h 20mTAP AIR PORTUGAL

Sat 29/1116:45LAX - LHR

1 stop18h 10mTAP AIR PORTUGAL

Deal found 14/10£364

Thu 20/1106:00LHR - LAX

1 stop16h 40mTAP AIR PORTUGAL

Thu 22/116:45LAX - LHR

1 stop21h 55mTAP AIR PORTUGAL

Deal found 15/10£365

Thu 6/1106:00LHR - LAX

1 stop16h 40mTAP AIR PORTUGAL

Sat 15/1116:45LAX - LHR

1 stop20h 50mTAP AIR PORTUGAL

Deal found 15/10£367

Thu 4/1206:00LHR - LAX

1 stop16h 40mTAP AIR PORTUGAL

Thu 11/1216:45LAX - LHR

1 stop16h 45mTAP AIR PORTUGAL

Deal found 14/10£369

Wed 5/1116:35LGW - LAX

1 stop30h 05mTAP AIR PORTUGAL

Sat 15/1116:45LAX - LGW

1 stop33h 05mTAP AIR PORTUGAL

Deal found 15/10£370

Wed 5/1118:30LHR - LAX

1 stop28h 10mTAP AIR PORTUGAL

Sat 15/1116:45LAX - LHR

1 stop20h 50mTAP AIR PORTUGAL

Deal found 15/10£373

Wed 12/1118:30LHR - LAX

1 stop28h 10mTAP AIR PORTUGAL

Thu 27/1116:45LAX - LHR

1 stop20h 50mTAP AIR PORTUGAL

Deal found 14/10£374

Wed 3/1216:35LGW - LAX

1 stop30h 05mTAP AIR PORTUGAL

Tue 9/1216:45LAX - LGW

1 stop33h 05mTAP AIR PORTUGAL

Deal found 15/10£376

Thu 6/1106:00LHR - LAX

1 stop16h 40mTAP AIR PORTUGAL

Thu 13/1116:45LAX - LHR

1 stop35h 55mTAP AIR PORTUGAL

Deal found 15/10£379

Thu 13/1106:00LHR - LAX

1 stop16h 40mTAP AIR PORTUGAL

Thu 4/1216:45LAX - LHR

1 stop21h 55mTAP AIR PORTUGAL

Deal found 16/10£382

Wed 3/1218:30LHR - LAX

1 stop28h 10mTAP AIR PORTUGAL

Tue 9/1216:45LAX - LHR

1 stop20h 50mTAP AIR PORTUGAL

Deal found 14/10£388

Best flights from London to Pasadena
Discover carefully curated flight deals from London to Pasadena that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 16 October 2025.

Thu 15/109:10LGW - LAX

1 stop18h 00mLEVEL

Thu 5/219:50LAX - LGW

1 stop36h 50mLEVEL

Deal found 16/10£437

Mon 13/421:15LGW - LAX

2 stops25h 30mTAP AIR PORTUGAL

Tue 21/416:45LAX - LGW

1 stop33h 00mTAP AIR PORTUGAL

Deal found 14/10£440

Sun 21/1210:45LHR - LAX

1 stop13h 50mDelta

Mon 29/1207:55LAX - LHR

1 stop14h 55mDelta

Deal found 16/10£445

Sat 21/206:40LHR - LAX

1 stop18h 20mScandinavian Airlines

Sun 1/319:30LAX - LHR

1 stop15h 00mScandinavian Airlines

Deal found 16/10£447

Mon 3/1109:00LHR - LAX

1 stop15h 35mUnited Airlines

Tue 25/1105:00LAX - LHR

1 stop20h 40mUnited Airlines

Deal found 14/10£459

Wed 29/1007:40LHR - LAX

1 stop15h 35mLufthansa

Wed 3/1219:00LAX - LHR

Nonstop10h 30mLufthansa

Deal found 14/10£461

Wed 29/1007:40LHR - LAX

1 stop15h 35mMultiple Airlines

Thu 13/1119:00LAX - LHR

Nonstop10h 30mMultiple Airlines

Deal found 14/10£462

Mon 2/318:40LGW - LAX

1 stop29h 55mSWISS

Mon 16/320:10LAX - LGW

1 stop14h 40mSWISS

Deal found 16/10£462

Tue 23/1218:55LCY - LAX

1 stop24h 50mVirgin Atlantic

Wed 7/107:55LAX - LCY

2 stops17h 35mVirgin Atlantic

Deal found 14/10£519

Thu 4/1206:40LHR - LAX

2 stops18h 20mScandinavian Airlines

Thu 11/1219:30LAX - LHR

2 stops30h 05mScandinavian Airlines

Deal found 15/10£452

Mon 10/1109:00LHR - LAX

1 stop15h 35mUnited Airlines

Mon 24/1108:50LAX - LHR

1 stop16h 50mUnited Airlines

Deal found 15/10£459

Wed 29/1007:40LHR - LAX

1 stop15h 35mLufthansa

Wed 12/1119:00LAX - LHR

Nonstop10h 30mLufthansa

Deal found 14/10£462

Fri 7/1121:45STN - LAX

2 stops27h 15mMultiple Airlines

Sun 16/1119:30LAX - STN

2 stops17h 50mMultiple Airlines

Deal found 14/10£462

Fri 10/421:15LGW - LAX

2 stops25h 25mTAP AIR PORTUGAL

Fri 17/416:40LAX - LGW

1 stop33h 05mTAP AIR PORTUGAL

Deal found 14/10£471

Thu 25/1209:10LGW - LAX

1 stop18h 00mLEVEL

Thu 1/120:55LAX - LGW

1 stop31h 30mLEVEL

Deal found 15/10£477

Wed 11/319:10LCY - LAX

1 stop29h 25mSWISS

Sun 15/320:10LAX - LCY

1 stop29h 25mSWISS

Deal found 13/10£502

Wed 29/1006:35LHR - LAX

1 stop16h 40mUnited Airlines

Thu 13/1119:00LAX - LHR

Nonstop10h 30mUnited Airlines

Deal found 15/10£461

Fri 7/1120:55LTN - LAX

2 stops28h 05mMultiple Airlines

Sun 16/1119:30LAX - LTN

2 stops18h 30mMultiple Airlines

Deal found 14/10£465

Wed 21/117:05LCY - LAX

1 stop26h 40mVirgin Atlantic

Mon 26/108:25LAX - LCY

2 stops16h 25mVirgin Atlantic

Deal found 15/10£525

Wed 3/1213:30LHR - LAX

2 stops18h 59mUnited Airlines

Mon 8/1212:57LAX - LHR

1 stop12h 43mUnited Airlines

Deal found 14/10£468

Fri 14/1118:40LGW - LAX

1 stop29h 55mSWISS

Fri 5/1219:10LAX - LGW

1 stop14h 40mSWISS

Deal found 15/10£518

Mon 17/1113:35STN - LAX

2 stops33h 25mMultiple Airlines

Tue 2/1216:45LAX - STN

2 stops22h 25mMultiple Airlines

Deal found 14/10£474

Thu 27/1116:30STN - LAX

2 stops32h 30mMultiple Airlines

Wed 3/1219:30LAX - STN

2 stops19h 20mMultiple Airlines

Deal found 16/10£475

Thu 22/118:40LGW - LAX

1 stop29h 55mSWISS

Fri 6/219:10LAX - LGW

2 stops17h 25mSWISS

Deal found 16/10£547

Mon 17/1110:15STN - LAX

1 stop16h 15mMultiple Airlines

Sun 30/1120:15LAX - STN

1 stop17h 05mMultiple Airlines

Deal found 13/10£479

Tue 23/1218:40LGW - LAX

1 stop29h 55mSWISS

Wed 7/119:10LAX - LGW

1 stop14h 40mSWISS

Deal found 14/10£566

Wed 5/1114:40LTN - LAX

2 stops33h 55mMultiple Airlines

Wed 12/1112:30LAX - LTN

2 stops25h 20mMultiple Airlines

Deal found 14/10£481

Thu 6/1118:05SEN - LAX

2 stops27h 00mMultiple Airlines

Thu 13/1112:30LAX - SEN

2 stops16h 20mMultiple Airlines

Deal found 16/10£481

Sun 2/1118:40LGW - LAX

1 stop29h 55mSWISS

Sun 23/1119:10LAX - LGW

1 stop14h 40mSWISS

Deal found 14/10£590

Fri 14/1106:30STN - LAX

1 stop20h 00mMultiple Airlines

Sun 16/1120:15LAX - STN

1 stop14h 05mMultiple Airlines

Deal found 15/10£481

Direct flights from London to Pasadena
Explore direct flight options from London to Pasadena based on user searches, and compare prices and availability for your desired travel dates. Data last updated 16 October 2025.

Thu 20/1115:20LHR - LAX

Nonstop11h 25mBrussels Airlines

Thu 22/119:00LAX - LHR

Nonstop10h 30mBrussels Airlines

Deal found 16/10£391

Fri 24/1010:55LGW - LAX

Nonstop11h 15mNorse Atlantic UK

Fri 24/1016:30LAX - LGW

Nonstop10h 25mNorse Atlantic UK

Deal found 15/10£406

Wed 22/1010:55LGW - LAX

Nonstop11h 15mNorse Atlantic UK

Fri 24/1016:30LAX - LGW

Nonstop10h 25mNorse Atlantic UK

Deal found 14/10£429

Tue 23/1211:20LHR - LAX

Nonstop11h 15mVirgin Atlantic

Tue 30/1222:30LAX - LHR

Nonstop10h 20mVirgin Atlantic

Deal found 15/10£433

Thu 12/217:20LHR - LAX

Nonstop11h 20mVirgin Atlantic

Mon 23/222:30LAX - LHR

Nonstop10h 20mVirgin Atlantic

Deal found 15/10£450

Sat 22/1115:20LHR - LAX

Nonstop11h 25mLufthansa

Mon 12/119:00LAX - LHR

Nonstop10h 30mLufthansa

Deal found 16/10£451

Wed 19/1115:20LHR - LAX

Nonstop11h 25mLufthansa

Thu 27/1119:00LAX - LHR

Nonstop10h 30mLufthansa

Deal found 16/10£455

Mon 17/1116:55LHR - LAX

Nonstop11h 30mBritish Airways

Sun 30/1121:00LAX - LHR

Nonstop10h 30mBritish Airways

Deal found 15/10£458

Mon 17/1111:50LHR - LAX

Nonstop11h 30mBritish Airways

Mon 1/1221:00LAX - LHR

Nonstop10h 30mBritish Airways

Deal found 15/10£459

Mon 24/1115:20LHR - LAX

Nonstop11h 25mLufthansa

Mon 1/1219:00LAX - LHR

Nonstop10h 30mLufthansa

Deal found 14/10£461

Mon 3/1115:20LHR - LAX

Nonstop11h 25mLufthansa

Wed 12/1119:00LAX - LHR

Nonstop10h 30mLufthansa

Deal found 15/10£462

Tue 11/1115:20LHR - LAX

Nonstop11h 25mLufthansa

Mon 17/1119:00LAX - LHR

Nonstop10h 30mLufthansa

Deal found 15/10£462

Last-minute flights from London to Pasadena
Discover last-minute flight deals from London to Pasadena. Data last updated 16 October 2025 and is based on user searches.

Wed 5/1116:35LGW - LAX

1 stop30h 05mTAP AIR PORTUGAL

Sat 15/1116:45LAX - LGW

1 stop33h 05mTAP AIR PORTUGAL

Deal found 15/10£370

Wed 5/1118:30LHR - LAX

1 stop28h 10mTAP AIR PORTUGAL

Sat 15/1116:45LAX - LHR

1 stop20h 50mTAP AIR PORTUGAL

Deal found 15/10£373

Wed 5/1118:30LHR - LAX

1 stop28h 10mTAP AIR PORTUGAL

Tue 18/1116:45LAX - LHR

1 stop20h 50mTAP AIR PORTUGAL

Deal found 16/10£374

Wed 5/1118:30LHR - LAX

1 stop28h 10mTAP AIR PORTUGAL

Thu 13/1116:45LAX - LHR

1 stop18h 10mTAP AIR PORTUGAL

Deal found 16/10£391

Wed 5/1116:35LGW - LAX

1 stop30h 05mTAP AIR PORTUGAL

Tue 18/1116:45LAX - LGW

1 stop33h 05mTAP AIR PORTUGAL

Deal found 15/10£400

Thu 6/1106:00LHR - LAX

1 stop16h 40mTAP AIR PORTUGAL

Sat 15/1116:45LAX - LHR

1 stop20h 50mTAP AIR PORTUGAL

Deal found 15/10£367

Thu 6/1106:00LHR - LAX

1 stop16h 40mTAP AIR PORTUGAL

Thu 13/1116:45LAX - LHR

1 stop35h 55mTAP AIR PORTUGAL

Deal found 15/10£379

Thu 13/1106:00LHR - LAX

1 stop16h 40mTAP AIR PORTUGAL

Thu 4/1216:45LAX - LHR

1 stop21h 55mTAP AIR PORTUGAL

Deal found 16/10£382

Thu 13/1106:00LHR - LAX

1 stop16h 40mTAP AIR PORTUGAL

Thu 27/1116:45LAX - LHR

1 stop16h 45mTAP AIR PORTUGAL

Deal found 14/10£396

Mon 17/1116:35LGW - LAX

1 stop30h 25mTAP AIR PORTUGAL

Tue 2/1216:45LAX - LGW

1 stop33h 05mTAP AIR PORTUGAL

Deal found 14/10£361

Mon 17/1113:40LHR - LAX

1 stop33h 20mTAP AIR PORTUGAL

Sat 29/1116:45LAX - LHR

1 stop18h 10mTAP AIR PORTUGAL

Deal found 14/10£364

Thu 20/1106:00LHR - LAX

1 stop16h 40mTAP AIR PORTUGAL

Thu 22/116:45LAX - LHR

1 stop21h 55mTAP AIR PORTUGAL

Deal found 15/10£365

One-way flights from London to Pasadena
Search for one-way flight options from London to Pasadena. Find affordable one-way fares based on user searches. Data last updated 16 October 2025.

Mon 26/118:05LHR - LAX

2 stops31h 00mMultiple Airlines

Deal found 14/10£277

Tue 2/1206:40LHR - LAX

2 stops18h 25mMultiple Airlines

Deal found 14/10£278

Mon 8/1221:05LHR - LAX

2 stops28h 00mMultiple Airlines

Deal found 14/10£280

Thu 19/206:15STN - LAX

2 stops18h 50mMultiple Airlines

Deal found 13/10£280

Sun 16/1117:40STN - LAX

3 stops53h 20mMultiple Airlines

Deal found 14/10£281

Tue 9/1206:40LHR - LAX

2 stops18h 25mMultiple Airlines

Deal found 14/10£283

Fri 24/1010:55LGW - LAX

Nonstop11h 15mNorse Atlantic UK

Deal found 14/10£284

Wed 19/1116:35LGW - LAX

1 stop30h 05mTAP AIR PORTUGAL

Deal found 13/10£284

Thu 13/1106:00LHR - LAX

1 stop16h 40mTAP AIR PORTUGAL

Deal found 14/10£285

Tue 4/1116:00LGW - LAX

3 stops39h 59mMultiple Airlines

Deal found 15/10£285

Mon 15/1217:30SEN - LAX

2 stops32h 35mMultiple Airlines

Deal found 14/10£285

Mon 10/1106:10STN - LAX

2 stops40h 50mMultiple Airlines

Deal found 14/10£285

Cheap flight deals from London to Pasadena

Round-trip from	£361
One-way from	£277
Popular in	December
Cheapest in	September
Average price	£482

TAP AIR PORTUGAL
17/11-2/12
2 total stops
63h 30m total
London to Pasadena

Search Deals

26/1
2 total stops
31h 00m total
London to Pasadena

Search Deals

Highest demand for flights based on searches. 4% potential increase in price (£16 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease (£8 potential savings vs. average return price).

Search Deals

Average for round-trip flights in October 2025

Search Deals

Fly from

Fly to

Route

Depart

Return

Price

LondonLos Angeles

LGW - LAX

LGWLAX

London Gatwick

Thu 15/1

09:10-19:10

1 stop18h 00m

Los Angeles

Thu 5/2

19:50-16:40

1 stop36h 50m

£437

LondonLos Angeles

LGW - LAX

LGWLAX

London Gatwick

Mon 13/4

21:15-14:45

2 stops25h 30m

Los Angeles

Tue 21/4

16:45-09:45

1 stop33h 00m

£440

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Sun 21/12

10:45-16:35

1 stop13h 50m

Los Angeles

Mon 29/12

07:55-06:50

1 stop14h 55m

£445

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Sat 21/2

06:40-17:00

1 stop18h 20m

Los Angeles

Sun 1/3

19:30-18:30

1 stop15h 00m

£447

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Thu 4/12

06:40-17:00

2 stops18h 20m

Los Angeles

Thu 11/12

19:30-09:35

2 stops30h 05m

£452

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Mon 3/11

09:00-16:35

1 stop15h 35m

Los Angeles

Tue 25/11

05:00-09:40

1 stop20h 40m

£459

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Mon 10/11

09:00-16:35

1 stop15h 35m

Los Angeles

Mon 24/11

08:50-09:40

1 stop16h 50m

£459

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Wed 29/10

07:40-16:15

1 stop15h 35m

Los Angeles

Wed 3/12

19:00-13:30

Nonstop10h 30m

£461

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Wed 29/10

06:35-16:15

1 stop16h 40m

Los Angeles

Thu 13/11

19:00-13:30

Nonstop10h 30m

£461

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Wed 29/10

07:40-16:15

1 stop15h 35m

Los Angeles

Thu 13/11

19:00-13:30

Nonstop10h 30m

£462

Flights are sorted by cheapest return flights first.

Deals found on 14/10

Showing 1-10 of 60 results

...

Best time to book a flight from London to Pasadena

Have a flexible travel schedule? Discover the best time to fly to Pasadena from London with our price prediction graph.

Estimated return price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from London to Pasadena

How far ahead should I book a flight from London to Pasadena?

Booking 7 days in advance of your planned departure date is, on average, the best time to get cheap flights from London to Pasadena. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest month to book a flight from London to Pasadena?

Currently, September is the cheapest month in which you can book a flight from London to Pasadena (average of £239). Flying from London to Pasadena in July is currently the most expensive (average of £416). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from LON to P4S?

Unlike in the evening, when flights are generally more expensive, you can save up to 13% on flights from London to Pasadena by exploring options for tickets in the afternoon.

What is the cheapest day to fly from London to Pasadena?

Travellers seeking maximum savings on their London to Pasadena flight should consider departing on Sunday mornings when fares are most often at their lowest. Saturday at midday flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from London to Pasadena

The most flights from LON to P4S are scheduled on a Monday (53 on average). You will have fewer flight options on Friday, which is when the least amount of flights are scheduled (44 on average).

How much does it cost for a return flight from London to Pasadena?

Reviews of airlines servicing Pasadena

Check out reviews from past customers who have flown with KLM, Virgin Atlantic, andNorse Atlantic UK from London to Pasadena to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

KLM

7.7

Good

1,402 reviews

Check prices

Reviews

1 / 20

2.0

Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.

KLM

7.7

Good

1,402 reviews

KLM

7.7

Good

1,402 reviews

Check prices

Reviews

1 / 20

2.0

Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.

Virgin Atlantic

7.5

Good

670 reviews

KLM

7.7

Good

1,402 reviews

Check prices

Reviews

1 / 20

2.0

Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.

Norse Atlantic UK

7.2

Good

KLM

7.7

Good

1,402 reviews

Check prices

Reviews

1 / 20

2.0

Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.

Lufthansa

6.8

Okay

7,491 reviews

KLM

7.7

Good

1,402 reviews

Check prices

Reviews

1 / 20

2.0

Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.

British Airways

6.7

Okay

7,456 reviews

KLM

7.7

Good

1,402 reviews

Check prices

Reviews

1 / 20

2.0

Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.

Related info for your journey

How long is the flight from London to Pasadena?
LEVEL, TAP AIR PORTUGAL, and Delta can get you from London to Pasadena in just under 13h 50m. Your travel time can differ by up to 11h 40m. London and Pasadena are separated by a distance of 5439 mi. Both multi-stop and direct flights can be found to your destination and back.
What are the cheapest airlines to fly from London to Pasadena one-way?
One-way options have recently been found by users for as low as £283 on LEVEL. Other airlines that offer cheap prices include Norse Atlantic UK from £306 and British Airways from £310 one-way.
What are the most popular routes from London to Pasadena?
When deciding which route to take from London to Pasadena consider London Heathrow - Los Angeles, London Gatwick - Los Angeles or London City - Los Angeles as they are the most popular.
What are the most reliable airlines from London to Pasadena?
Before booking your flight to Pasadena from London, check out the most reliable airlines to get you to your destination on time: KLM (84%), Air France (84%), Delta( 84%).
What are the cheapest flights from London to Pasadena?
On average you can expect to pay £2,623 for a flight from London to Pasadena. The cheapest flight overall is £361 while the most popular route, (London Heathrow - Los Angeles) is currently priced at £348.
Can I find deals for flights from London to Pasadena that include hotel bookings?
Yes. In addition to deals on London to Pasadena flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from London to Pasadena?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from London to Pasadena.
Can I find deals for business class flights from London to Pasadena?
Yes. Cheapflights offers flight deals from London to Pasadena by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from London to Pasadena?
Currently, September is the cheapest month in which you can book a flight from London to Pasadena (average of £239). Flying from London to Pasadena in July is currently the most expensive (average of £416). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Alternative routes for London to Pasadena

Heathrow to Los Angeles flights

Heathrow to San Francisco flights

Heathrow to Las Vegas flights

Gatwick to Los Angeles flights

London City to Los Angeles flights

Gatwick to San Francisco flights

London City to San Francisco flights

Gatwick to Las Vegas flights

Heathrow to Ontario flights

London City to Las Vegas flights

Heathrow to Santa Ana flights

Stansted to Los Angeles flights

Heathrow to San Diego flights

Luton to Los Angeles flights

Heathrow to San Jose flights

Heathrow to Oakland flights

Stansted to San Francisco flights

Heathrow to Burbank flights

Gatwick to Oakland flights

Luton to San Francisco flights

Gatwick to Burbank flights

Gatwick to San Jose flights

Manchester to Los Angeles flights

Manchester to Las Vegas flights

Gatwick to San Diego flights

Gatwick to Santa Ana flights

Stansted to Las Vegas flights

Luton to Las Vegas flights

London City to San Diego flights

Manchester to San Francisco flights

Heathrow to Long Beach flights

Manchester to Santa Ana flights

Manchester to Ontario flights

Edinburgh to Los Angeles flights

Heathrow to Sacramento flights

Gatwick to Sacramento flights

London City to Sacramento flights

Heathrow to Palm Springs flights

Manchester to Burbank flights

Manchester to San Jose flights

Manchester to Oakland flights

Edinburgh to San Francisco flights

Edinburgh to Las Vegas flights

Gatwick to Ontario flights

Stansted to San Diego flights

Birmingham to San Francisco flights

London City to Burbank flights

Birmingham to Las Vegas flights

London City to Santa Ana flights

Southend to Los Angeles flights

Top 10 airlines flying from London to Pasadena

Airline	Cheapest	Average	Flexibility	On-time
Finnair	Cheapest£281	Average£483	FlexibilityNo cancel fee	On-time76%	Search Finnair flights
SWISS	Cheapest£293	Average£462	FlexibilityNo cancel fee	On-time79%	Search SWISS flights
Norse Atlantic UK	Cheapest£295	Average£531	FlexibilityNo cancel fee	On-timeN/A	Search Norse Atlantic UK flights
Aer Lingus	Cheapest£335	Average£546	FlexibilityNo cancel fee	On-timeN/A	Search Aer Lingus flights
Delta	Cheapest£338	Average£580	FlexibilityNo cancel fee	On-timeN/A	Search Delta flights
Scandinavian Airlines	Cheapest£347	Average£480	FlexibilityNo cancel fee	On-time77%	Search Scandinavian Airlines flights
Brussels Airlines	Cheapest£347	Average£475	FlexibilityNo cancel fee	On-timeN/A	Search Brussels Airlines flights
Austrian Airlines	Cheapest£359	Average£480	FlexibilityNo cancel fee	On-time78%	Search Austrian Airlines flights
Air France	Cheapest£359	Average£483	FlexibilityNo cancel fee	On-time77%	Search Air France flights
United Airlines	Cheapest£362	Average£558	FlexibilityNo cancel fee	On-time69%	Search United Airlines flights

Fly with Cheapflights

How does Cheapflights help users find flights from London to Pasadena?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from London to Pasadena. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

Why should you use Cheapflights to find cheap flight tickets from London to Pasadena?

Cheapflights simply makes it quick and affordable to book flights from London to Pasadena by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

Can Cheapflights find flights from London to Pasadena with no change fees?

Cheapflights does show flights with no change fees to all users. To see these options for flights from London to Pasadena, users can toggle the no change fees filter when performing a flight search.

Can Cheapflights notify me if prices for flights from London to Pasadena become cheaper?

Yes, Cheapflights offers price alerts on London to Pasadena flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.

Cheap flights from London to Pasadena from £277

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 26/1. Fares are subject to change and may not be available on all flights or dates of travel.

Cheapflights Tip: The best prices from London to Pasadena are usually found in September or February, booked 7 days in advance, depart on a Wednesday or Tuesday and return on a Wednesday

Find flight deals from London to Pasadena

Cheapest flights from London to PasadenaExplore the most affordable flight options available from London to Pasadena. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 16 October 2025.

Explore the most affordable flight options available from London to Pasadena. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 16 October 2025.

Cheap flight deals from London to Pasadena

Keep the following information in mind while searching for London to Pasadena flight deals. Data was last updated 16 October 2025.

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Cheapflights Fare Finder

Use the filters below to find and compare flights from London to Pasadena that are best for you.

Best time to book a flight from London to Pasadena

Have a flexible travel schedule? Discover the best time to fly to Pasadena from London with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from London to Pasadena

How far ahead should I book a flight from London to Pasadena?

Use this chart to determine the optimal time to book a return flight from London to Pasadena. Price data was last updated on 10 October 2025.

What is the cheapest month to book a flight from London to Pasadena?

What is the cheapest time of day to fly from LON to P4S?

Find hourly flight availability from London to Pasadena. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 16 October 2025.

What is the cheapest day to fly from London to Pasadena?

Use this chart to determine the cheapest time to fly return from London to Pasadena. Price data was last updated on 16 December 2024.

Weekly flight availability from London to Pasadena

Explore weekly flight availability from London to Pasadena. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated 16 October 2025.

How much does it cost for a return flight from London to Pasadena?

Reviews of airlines servicing Pasadena

Check out reviews from past customers who have flown with KLM, Virgin Atlantic, andNorse Atlantic UK from London to Pasadena to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from London to Pasadena. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

How long is the flight from London to Pasadena?

What are the cheapest airlines to fly from London to Pasadena one-way?

What are the most popular routes from London to Pasadena?

What are the most reliable airlines from London to Pasadena?

What are the cheapest flights from London to Pasadena?

Can I find deals for flights from London to Pasadena that include hotel bookings?

How can I find direct flights from London to Pasadena?

Can I find deals for business class flights from London to Pasadena?

What is the cheapest month to book a flight from London to Pasadena?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for London to Pasadena

See prices for flight routes from nearby airports that may be better suited for you.

Top 10 airlines flying from London to Pasadena

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from London to Pasadena?

Why should you use Cheapflights to find cheap flight tickets from London to Pasadena?

Can Cheapflights find flights from London to Pasadena with no change fees?

Can Cheapflights notify me if prices for flights from London to Pasadena become cheaper?

100% Free

Book with Flexibility

Travel Smart

Cheapest flights from London to Pasadena
Explore the most affordable flight options available from London to Pasadena. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 16 October 2025.