How long is the flight from London Heathrow Airport to Pasadena?

A quick flight from London Heathrow Airport to Pasadena can take about 14h 35m. Air Canada provides one of the quickest options available for as low as £370. London Heathrow Airport and Pasadena are separated by a distance of 5439 mi. Both multi-stop and direct flights can be found to your destination and back.

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 cheapest flights from London Heathrow Airport to Pasadena?

While on average a flight from London Heathrow Airport to Pasadena is generally £2,533, our data shows the cheapest flight currently is £399. When looking at the most popular route, (London Heathrow - Los Angeles), you can expect to pay £290 for that flight.

What are the most reliable airlines from London Heathrow Airport to Pasadena?

Before booking your flight to Pasadena from London Heathrow Airport, check out the most reliable airlines to get you to your destination on time: Aeromexico (86%), KLM (82%), Air France( 82%).

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

Consider American Airlines, Air Canada or Air France when booking your flight. These represent the most popular airlines when flying from London Heathrow Airport to Pasadena.

How far in advance should I book a flight from London Heathrow Airport to Pasadena?

To save up to 38% on this flight, we recommend booking at least 56 days prior to travel. The price may fluctuate and will likely increase closer to your departure date. Users on Cheapflights have found tickets from London Heathrow Airport to Pasadena from £429 1-2 weeks out and tickets from £682 for flights departing within the next 72 hours.

What is the cheapest month to fly from London Heathrow Airport to Pasadena?

September can be a great time to fly to Pasadena from London Heathrow Airport with a flight ticket averaging about £482. Cheapflights users have found deals in the month of September for as cheap as £306. The most expensive prices can be found in the month of December.

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

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

How can I find direct flights from Heathrow to Pasadena?

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

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

Yes. Cheapflights offers flight deals from Heathrow 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.

£234+ Flights from London Heathrow Airport to Pasadena

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

Airfare is below average for this route at the moment. London Heathrow Airport to Pasadena flights typically cost between £389 and £481 in September. The cheapest return flight price found within the last 3 days was £369 on Virgin Atlantic (16 Sept-25 Sept).

Cheapflights Tip: The best prices from London Heathrow to Pasadena are usually found in September or February, booked 56 days in advance, depart on a Wednesday or Tuesday and return on a Monday

Cheap flight deals from Heathrow to Pasadena

Round-trip from	£369
One-way from	£234
Popular in	July
Cheapest in	September
Average price	£603

Virgin Atlantic
16/9-25/9
Nonstop
21h 50m total
London to Pasadena

Search Deals

LEVEL
3/12
1 total stop
32h 20m total
London to Pasadena

Search Deals

Highest demand for flights based on searches. 14% potential increase in price (£63 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease (£10 potential savings vs. average return price).

Search Deals

Average for round-trip flights in August 2025

Search Deals

Find flight deals from Heathrow to Pasadena

Cheapest flights from Heathrow to Pasadena
Explore the most affordable flight options available from Heathrow to Pasadena. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 29 August 2025.

Tue 16/909:55LHR - LAX

Nonstop11h 20mVirgin Atlantic

Thu 25/920:05LAX - LHR

Nonstop10h 30mVirgin Atlantic

Deal found 28/8£369

Thu 4/906:30LHR - LAX

1 stop14h 30mUnited Airlines

Mon 15/916:13LAX - LHR

1 stop12h 07mUnited Airlines

Deal found 28/8£369

Thu 11/908:40LHR - LAX

2 stops19h 00mAir Canada

Sat 27/912:05LAX - LHR

1 stop13h 30mAir Canada

Deal found 28/8£370

Fri 12/908:40LHR - LAX

1 stop15h 50mMultiple Airlines

Sat 20/916:40LAX - LHR

Nonstop10h 30mMultiple Airlines

Deal found 27/8£371

Sat 6/917:30LHR - LAX

Nonstop11h 15mVirgin Atlantic

Mon 22/922:50LAX - LHR

Nonstop10h 25mVirgin Atlantic

Deal found 27/8£372

Sat 20/919:50LHR - LAX

1 stop26h 35mTAP AIR PORTUGAL

Fri 3/1016:40LAX - LHR

1 stop17h 05mTAP AIR PORTUGAL

Deal found 27/8£372

Sat 20/908:30LHR - LAX

1 stop16h 25mUnited Airlines

Fri 3/1008:05LAX - LHR

1 stop17h 30mUnited Airlines

Deal found 28/8£373

Sun 14/906:30LHR - LAX

1 stop14h 30mMultiple Airlines

Wed 24/916:40LAX - LHR

Nonstop10h 30mMultiple Airlines

Deal found 28/8£374

Fri 26/906:00LHR - LAX

1 stop15h 05mMultiple Airlines

Sun 5/1018:40LAX - LHR

1 stop14h 00mMultiple Airlines

Deal found 28/8£375

Thu 6/1107:05LHR - LAX

2 stops17h 55mScandinavian Airlines

Tue 11/1119:30LAX - LHR

2 stops18h 05mScandinavian Airlines

Deal found 28/8£376

Sat 20/914:05LHR - LAX

1 stop15h 30mAir Canada

Fri 3/1006:00LAX - LHR

2 stops19h 35mAir Canada

Deal found 28/8£377

Best flights from Heathrow to Pasadena
Discover carefully curated flight deals from Heathrow to Pasadena that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 29 August 2025.

Thu 11/908:40LHR - LAX

2 stops19h 00mAir Canada

Sat 27/912:05LAX - LHR

1 stop13h 30mAir Canada

Deal found 28/8£370

Sun 28/909:50LHR - LAX

1 stop16h 35mAer Lingus

Sat 11/1020:15LAX - LHR

1 stop16h 05mAer Lingus

Deal found 28/8£370

Wed 11/206:30LHR - LAX

1 stop14h 35mUnited Airlines

Tue 24/208:45LAX - LHR

1 stop14h 25mUnited Airlines

Deal found 28/8£370

Sun 22/209:00LHR - LAX

1 stop15h 35mMultiple Airlines

Wed 25/308:45LAX - LHR

1 stop14h 35mMultiple Airlines

Deal found 27/8£372

Mon 2/207:40LHR - LAX

1 stop15h 35mLufthansa

Fri 6/219:00LAX - LHR

Nonstop10h 30mLufthansa

Deal found 27/8£373

Sun 19/1006:00LHR - LAX

1 stop16h 25mTAP AIR PORTUGAL

Sat 25/1016:40LAX - LHR

1 stop21h 55mTAP AIR PORTUGAL

Deal found 27/8£373

Sat 13/907:25LHR - LAX

1 stop15h 50mUnited Airlines

Fri 19/906:00LAX - LHR

1 stop17h 25mUnited Airlines

Deal found 29/8£373

Fri 26/906:30LHR - LAX

2 stops17h 38mMultiple Airlines

Fri 3/1006:00LAX - LHR

2 stops19h 35mMultiple Airlines

Deal found 28/8£374

Thu 12/206:30LHR - LAX

1 stop14h 35mUnited Airlines

Mon 23/208:10LAX - LHR

1 stop15h 15mUnited Airlines

Deal found 28/8£374

Thu 12/206:30LHR - LAX

1 stop14h 35mUnited Airlines

Thu 19/212:40LAX - LHR

1 stop14h 35mUnited Airlines

Deal found 28/8£374

Direct flights from Heathrow to Pasadena
Explore direct flight options from Heathrow to Pasadena based on user searches, and compare prices and availability for your desired travel dates. Data last updated 29 August 2025.

Tue 16/909:55LHR - LAX

Nonstop11h 20mVirgin Atlantic

Thu 25/920:05LAX - LHR

Nonstop10h 30mVirgin Atlantic

Deal found 28/8£369

Wed 29/1016:55LHR - LAX

Nonstop11h 20mBritish Airways

Wed 26/1115:30LAX - LHR

Nonstop10h 30mBritish Airways

Deal found 28/8£370

Fri 12/914:30LHR - LAX

Nonstop11h 15mVirgin Atlantic

Thu 25/920:05LAX - LHR

Nonstop10h 30mVirgin Atlantic

Deal found 27/8£371

Mon 8/909:55LHR - LAX

Nonstop11h 20mVirgin Atlantic

Mon 22/922:50LAX - LHR

Nonstop10h 25mVirgin Atlantic

Deal found 28/8£372

Wed 8/1014:45LHR - LAX

Nonstop11h 20mBritish Airways

Tue 21/1017:05LAX - LHR

Nonstop10h 30mBritish Airways

Deal found 27/8£373

Mon 17/1111:20LHR - LAX

Nonstop11h 15mVirgin Atlantic

Thu 4/1222:30LAX - LHR

Nonstop10h 20mVirgin Atlantic

Deal found 26/8£374

Tue 16/914:20LHR - LAX

Nonstop11h 15mBritish Airways

Thu 25/920:05LAX - LHR

Nonstop10h 30mBritish Airways

Deal found 27/8£375

Wed 24/917:30LHR - LAX

Nonstop11h 15mVirgin Atlantic

Wed 15/1015:30LAX - LHR

Nonstop10h 30mVirgin Atlantic

Deal found 27/8£375

Mon 29/917:30LHR - LAX

Nonstop11h 15mVirgin Atlantic

Wed 8/1020:05LAX - LHR

Nonstop10h 30mVirgin Atlantic

Deal found 27/8£377

Mon 29/913:05LHR - LAX

Nonstop11h 10mLufthansa

Fri 10/1016:40LAX - LHR

Nonstop10h 30mLufthansa

Deal found 28/8£378

Thu 11/913:05LHR - LAX

Nonstop11h 10mLufthansa

Sat 27/916:40LAX - LHR

Nonstop10h 30mLufthansa

Deal found 28/8£380

Mon 6/1017:30LHR - LAX

Nonstop11h 15mVirgin Atlantic

Sun 19/1015:30LAX - LHR

Nonstop10h 30mVirgin Atlantic

Deal found 28/8£380

Last-minute flights from Heathrow to Pasadena
Discover last-minute flight deals from Heathrow to Pasadena. Data last updated 29 August 2025 and is based on user searches.

Wed 3/917:30LHR - LAX

Nonstop11h 15mVirgin Atlantic

Mon 15/915:30LAX - LHR

Nonstop10h 30mVirgin Atlantic

Deal found 28/8£375

Wed 3/906:30LHR - LAX

1 stop14h 30mMultiple Airlines

Mon 15/908:15LAX - LHR

1 stop14h 05mMultiple Airlines

Deal found 28/8£378

Thu 4/906:30LHR - LAX

1 stop14h 30mUnited Airlines

Mon 15/916:13LAX - LHR

1 stop12h 07mUnited Airlines

Deal found 28/8£369

Thu 4/906:30LHR - LAX

1 stop14h 30mUnited Airlines

Fri 12/916:40LAX - LHR

Nonstop10h 30mUnited Airlines

Deal found 28/8£374

Thu 4/908:40LHR - LAX

1 stop15h 50mMultiple Airlines

Wed 17/916:40LAX - LHR

Nonstop10h 30mMultiple Airlines

Deal found 27/8£377

Fri 5/908:40LHR - LAX

1 stop15h 50mMultiple Airlines

Tue 9/916:40LAX - LHR

Nonstop10h 30mMultiple Airlines

Deal found 27/8£377

Sat 6/917:30LHR - LAX

Nonstop11h 15mVirgin Atlantic

Mon 22/922:50LAX - LHR

Nonstop10h 25mVirgin Atlantic

Deal found 27/8£372

Sat 6/906:00LHR - LAX

1 stop15h 05mAustrian Airlines

Sat 20/908:15LAX - LHR

1 stop19h 30mAustrian Airlines

Deal found 26/8£379

Sat 6/906:00LHR - LAX

1 stop15h 05mMultiple Airlines

Wed 10/916:40LAX - LHR

Nonstop10h 30mMultiple Airlines

Deal found 27/8£380

Mon 8/909:55LHR - LAX

Nonstop11h 20mVirgin Atlantic

Mon 22/922:50LAX - LHR

Nonstop10h 25mVirgin Atlantic

Deal found 28/8£372

One-way flights from Heathrow to Pasadena
Search for one-way flight options from Heathrow to Pasadena. Find affordable one-way fares based on user searches. Data last updated 29 August 2025.

Wed 3/1218:50LHR - LAX

1 stop32h 20mLEVEL

Deal found 28/8£234

Tue 9/920:50LHR - LAX

1 stop29h 15mLEVEL

Deal found 28/8£235

Mon 19/118:50LHR - LAX

1 stop31h 15mLEVEL

Deal found 27/8£235

Mon 17/1118:50LHR - LAX

1 stop31h 15mLEVEL

Deal found 28/8£240

Sat 13/1220:50LHR - LAX

1 stop30h 20mLEVEL

Deal found 28/8£241

Mon 8/920:50LHR - LAX

1 stop29h 15mMultiple Airlines

Deal found 27/8£241

Wed 17/920:50LHR - LAX

1 stop29h 15mMultiple Airlines

Deal found 27/8£242

Wed 24/920:50LHR - LAX

1 stop29h 15mMultiple Airlines

Deal found 27/8£244

Thu 11/1209:55LHR - LAX

1 stop17h 15mMultiple Airlines

Deal found 27/8£244

Wed 15/1020:50LHR - LAX

1 stop29h 15mMultiple Airlines

Deal found 27/8£246

Tue 9/906:00LHR - LAX

1 stop16h 40mTAP AIR PORTUGAL

Deal found 27/8£249

Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Thu 11/9

08:40-19:40

2 stops19h 00m

Los Angeles

Sat 27/9

12:05-09:35

1 stop13h 30m

£370

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Sun 28/9

09:50-18:25

1 stop16h 35m

Los Angeles

Sat 11/10

20:15-20:20

1 stop16h 05m

£370

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Wed 11/2

06:30-13:05

1 stop14h 35m

Los Angeles

Tue 24/2

08:45-07:10

1 stop14h 25m

£370

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Sun 22/2

09:00-16:35

1 stop15h 35m

Los Angeles

Wed 25/3

08:45-06:20

1 stop14h 35m

£372

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Mon 2/2

07:40-15:15

1 stop15h 35m

Los Angeles

Fri 6/2

19:00-13:30

Nonstop10h 30m

£373

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Sun 19/10

06:00-14:25

1 stop16h 25m

Los Angeles

Sat 25/10

16:40-22:35

1 stop21h 55m

£373

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Sat 13/9

07:25-15:15

1 stop15h 50m

Los Angeles

Fri 19/9

06:00-07:25

1 stop17h 25m

£373

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Fri 26/9

06:30-16:08

2 stops17h 38m

Los Angeles

Fri 3/10

06:00-09:35

2 stops19h 35m

£374

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Thu 12/2

06:30-13:05

1 stop14h 35m

Los Angeles

Mon 23/2

08:10-07:25

1 stop15h 15m

£374

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Thu 12/2

06:30-13:05

1 stop14h 35m

Los Angeles

Thu 19/2

12:40-11:15

1 stop14h 35m

£374

Flights are sorted by cheapest return flights first.

Deals found on 28/8

Showing 1-10 of 21 results

Best time to book a flight from Heathrow to Pasadena

Have a flexible travel schedule? Discover the best time to fly to Pasadena from Heathrow 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 Heathrow Airport to Pasadena

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

Booking 56 days in advance of your planned departure date is, on average, the best time to get cheap flights from London Heathrow Airport 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 Heathrow Airport to Pasadena?

Currently, January is the cheapest month in which you can book a flight from London Heathrow Airport to Pasadena (average of £575). Flying from London Heathrow Airport to Pasadena in July is currently the most expensive (average of £811). 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 LHR to P4S?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from London Heathrow Airport to Pasadena as you normally would.

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

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

Weekly flight availability from London Heathrow Airport to Pasadena

The most flights from LHR to P4S are scheduled on a Wednesday (53 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (46 on average).

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

Reviews of airlines servicing Pasadena

Read through reviews of airlines operating flights from London Heathrow Airport to Pasadena, such as KLM, Finnair, andVirgin Atlantic. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

KLM

7.8

Good

1,383 reviews

Check prices

Reviews

1 / 20

4.0

Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.

KLM

7.8

Good

1,383 reviews

KLM

7.8

Good

1,383 reviews

Check prices

Reviews

1 / 20

4.0

Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.

Finnair

7.6

Good

1,321 reviews

KLM

7.8

Good

1,383 reviews

Check prices

Reviews

1 / 20

4.0

Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.

Virgin Atlantic

7.4

Good

661 reviews

KLM

7.8

Good

1,383 reviews

Check prices

Reviews

1 / 20

4.0

Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.

Lufthansa

6.8

Okay

7,372 reviews

KLM

7.8

Good

1,383 reviews

Check prices

Reviews

1 / 20

4.0

Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.

British Airways

6.7

Okay

7,320 reviews

KLM

7.8

Good

1,383 reviews

Check prices

Reviews

1 / 20

4.0

Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.

Related info for your journey

How long is the flight from London Heathrow Airport to Pasadena?
A quick flight from London Heathrow Airport to Pasadena can take about 14h 35m. Air Canada provides one of the quickest options available for as low as £370. London Heathrow Airport 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 most reliable airlines from London Heathrow Airport to Pasadena?
Before booking your flight to Pasadena from London Heathrow Airport, check out the most reliable airlines to get you to your destination on time: Aeromexico (86%), KLM (82%), Air France( 82%).
What are the cheapest flights from London Heathrow Airport to Pasadena?
While on average a flight from London Heathrow Airport to Pasadena is generally £2,533, our data shows the cheapest flight currently is £399. When looking at the most popular route, (London Heathrow - Los Angeles), you can expect to pay £290 for that flight.
Can I find deals for flights from Heathrow to Pasadena that include hotel bookings?
Yes. In addition to deals on Heathrow to Pasadena flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from Heathrow to Pasadena?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Heathrow to Pasadena.
Can I find deals for business class flights from Heathrow to Pasadena?
Yes. Cheapflights offers flight deals from Heathrow 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 Heathrow Airport to Pasadena?
Currently, January is the cheapest month in which you can book a flight from London Heathrow Airport to Pasadena (average of £575). Flying from London Heathrow Airport to Pasadena in July is currently the most expensive (average of £811). 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

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Top 10 airlines flying from Heathrow to Pasadena

Airline	Cheapest	Average	Flexibility	On-time
Finnair	Cheapest£278	Average£461	FlexibilityNo cancel fee	On-time76%	Search Finnair flights
SWISS	Cheapest£290	Average£386	FlexibilityNo cancel fee	On-time79%	Search SWISS flights
Norse Atlantic UK	Cheapest£333	Average£548	FlexibilityNo cancel fee	On-timeN/A	Search Norse Atlantic UK flights
Delta	Cheapest£334	Average£537	FlexibilityNo cancel fee	On-timeN/A	Search Delta flights
Scandinavian Airlines	Cheapest£345	Average£481	FlexibilityNo cancel fee	On-time77%	Search Scandinavian Airlines flights
Brussels Airlines	Cheapest£352	Average£475	FlexibilityNo cancel fee	On-timeN/A	Search Brussels Airlines flights
Air France	Cheapest£352	Average£458	FlexibilityNo cancel fee	On-time77%	Search Air France flights
Aer Lingus	Cheapest£353	Average£607	FlexibilityNo cancel fee	On-timeN/A	Search Aer Lingus flights
Austrian Airlines	Cheapest£354	Average£471	FlexibilityNo cancel fee	On-time78%	Search Austrian Airlines flights
United Airlines	Cheapest£358	Average£549	FlexibilityNo cancel fee	On-time69%	Search United Airlines flights

Fly with Cheapflights

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

When you search for this flight from Heathrow to Pasadena, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

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

Cheapflights helps you find that perfect flight to Pasadena from Heathrow by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

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

Yes! Cheapflights helps users easily find flights from Heathrow to Pasadena with no change fees.

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

Yes! Start tracking prices for Heathrow to Pasadena flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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Cheap flights from London Heathrow Airport to Pasadena from £234

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 3/12. Fares are subject to change and may not be available on all flights or dates of travel.

Cheapflights Tip: The best prices from London Heathrow to Pasadena are usually found in September or February, booked 56 days in advance, depart on a Wednesday or Tuesday and return on a Monday

Cheap flight deals from Heathrow to Pasadena

Keep the following information in mind while searching for Heathrow to Pasadena flight deals. Data was last updated 29 August 2025.

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from Heathrow to Pasadena

Cheapest flights from Heathrow to PasadenaExplore the most affordable flight options available from Heathrow to Pasadena. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 29 August 2025.

Explore the most affordable flight options available from Heathrow to Pasadena. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 29 August 2025.

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Best time to book a flight from Heathrow to Pasadena

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

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

Use this chart to determine the optimal time to book a return flight from Heathrow to Pasadena. Price data was last updated on 22 August 2025.

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

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

Find hourly flight availability from Heathrow 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 29 August 2025.

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

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

Weekly flight availability from London Heathrow Airport to Pasadena

Explore weekly flight availability from Heathrow 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 29 August 2025.

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

Reviews of airlines servicing Pasadena

Read through reviews of airlines operating flights from London Heathrow Airport to Pasadena, such as KLM, Finnair, andVirgin Atlantic. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from Heathrow 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 Heathrow Airport to Pasadena?

What are the most reliable airlines from London Heathrow Airport to Pasadena?

What are the cheapest flights from London Heathrow Airport to Pasadena?

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

How can I find direct flights from Heathrow to Pasadena?

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

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

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Alternative routes for Heathrow to Pasadena

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Top 10 airlines flying from Heathrow to Pasadena

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Cheapest flights from Heathrow to Pasadena
Explore the most affordable flight options available from Heathrow to Pasadena. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 29 August 2025.