Cheap flights from London to Pasadena from £334

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 23/6. Fares are subject to change and may not be available on all flights or dates of travel.
LON — LAX
3 May — 10 May1
1 adult
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from London to Pasadena are usually found in September or February, booked 37 days in advance, depart on a Wednesday or Friday and return on a Wednesday

Cheap 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 3 April 2026.

Thu 30/714:05
LHR
-
LAX
1 stop15h 25m
Air Canada
Sat 8/808:15
LAX
-
LHR
1 stop14h 15m
Air Canada
Deal found 29/3£386
Mon 27/406:55
LHR
-
LAX
1 stop16h 20m
Lufthansa
Mon 18/515:30
LAX
-
LHR
Nonstop10h 40m
Lufthansa
Deal found 30/3£386
Tue 14/407:25
LHR
-
LAX
1 stop15h 50m
Multiple Airlines
Mon 27/419:35
LAX
-
LHR
1 stop14h 15m
Multiple Airlines
Deal found 29/3£387
Fri 24/708:30
LHR
-
LAX
1 stop14h 58m
Air Canada
Sun 9/808:15
LAX
-
LHR
1 stop17h 45m
Air Canada
Deal found 29/3£389
Mon 13/407:25
LHR
-
LAX
1 stop15h 50m
Lufthansa
Mon 27/415:30
LAX
-
LHR
Nonstop10h 40m
Lufthansa
Deal found 29/3£397
Tue 6/1018:35
LGW
-
LAX
1 stop29h 55m
SWISS
Tue 20/1011:15
LAX
-
LGW
2 stops22h 35m
SWISS
Deal found 29/3£400
Mon 7/910:30
LHR
-
LAX
Nonstop11h 15m
British Airways
Tue 15/920:55
LAX
-
LHR
Nonstop10h 30m
British Airways
Deal found 1/4£401
Tue 8/911:40
LHR
-
LAX
Nonstop11h 15m
British Airways
Tue 15/920:55
LAX
-
LHR
Nonstop10h 30m
British Airways
Deal found 1/4£401
Mon 27/409:25
LGW
-
LAX
1 stop15h 05m
SWISS
Mon 4/519:35
LAX
-
LGW
1 stop14h 15m
SWISS
Deal found 30/3£401
Mon 7/910:30
LHR
-
LAX
Nonstop11h 15m
British Airways
Mon 14/917:05
LAX
-
LHR
Nonstop10h 30m
British Airways
Deal found 1/4£402
Mon 7/906:40
LHR
-
LAX
1 stop18h 10m
Scandinavian Airlines
Mon 14/919:10
LAX
-
LHR
1 stop14h 30m
Scandinavian Airlines
Deal found 1/4£403
Tue 14/409:25
LGW
-
LAX
1 stop15h 05m
SWISS
Mon 27/419:35
LAX
-
LGW
1 stop14h 15m
SWISS
Deal found 29/3£403

Find flight deals from London to Pasadena

Keep the following information in mind while searching for London to Pasadena flight deals. Data was last updated 3 April 2026.

Round-trip from

£386

One-way from

£334

Popular in

December

Cheapest in

September

Average price

£451
Air Canada
  • Air Canada
  • 30/7-8/8
  • 2 total stops
  • 29h 40m total
  • London to Pasadena
23/6
  • 23/6
  • 3 total stops
  • 41h 40m total
  • London to Pasadena
Highest demand for flights based on searches. 6% potential increase in price (£23 potential increase over avg. return price).
Cheapest flight prices on average. 2% potential price decrease (£8 potential savings vs. average return price).
Average for round-trip flights in April 2026

Cheapflights Fare Finder

 
Customise your flight search to find flights from London to Pasadena that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 3 April 2026.
Use the filters below to find and compare flights from London to Pasadena that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Mon 20/4

06:55-15:15

1 stop16h 20m

Los Angeles Los Angeles

Fri 24/4

11:43-14:10

1 stop18h 27m

£452

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Tue 28/7

09:30-19:54

1 stop18h 24m

Los Angeles Los Angeles

Fri 28/8

13:10-11:35

1 stop14h 25m

£479

LondonLos Angeles

LTN - LAX

LTNLAX

London Luton

Mon 13/4

08:15-18:25

1 stop18h 10m

Los Angeles Los Angeles

Mon 27/4

20:10-22:50

1 stop18h 40m

£515

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Tue 1/9

07:05-16:50

2 stops17h 45m

Los Angeles Los Angeles

Tue 22/9

19:10-21:35

2 stops18h 25m

£522

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Thu 27/8

06:30-11:50

1 stop13h 20m

Los Angeles Los Angeles

Sun 6/9

23:15-17:35

Nonstop10h 20m

£547

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Thu 13/8

06:30-11:50

1 stop13h 20m

Los Angeles Los Angeles

Sun 23/8

14:10-12:05

1 stop13h 55m

£550

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Thu 23/4

06:30-11:50

1 stop13h 20m

Los Angeles Los Angeles

Sat 9/5

23:15-17:35

Nonstop10h 20m

£557

LondonLos Angeles

LGW - LAX

LGWLAX

London Gatwick

Thu 16/4

10:25-18:35

1 stop16h 10m

Los Angeles Los Angeles

Mon 20/4

18:00-16:00

1 stop14h 00m

£562

LondonLos Angeles

LGW - LAX

LGWLAX

London Gatwick

Sat 16/5

10:25-18:35

1 stop16h 10m

Los Angeles Los Angeles

Fri 5/6

15:15-09:20

1 stop34h 05m

£565

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Thu 18/6

16:55-20:15

Nonstop11h 20m

Los Angeles Los Angeles

Thu 25/6

18:50-20:40

1 stop17h 50m

£574

Flights are sorted by cheapest return flights first.

Deals found on 31/3

Showing 1-10 of 60 resultsSorted by cheapest first
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6

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?

Use this chart to determine the optimal time to book a return flight from London to Pasadena. Price data was last updated on 2 April 2026.

Booking 37 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 £242). Flying from London to Pasadena in July is currently the most expensive (average of £393). 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?

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 3 April 2026.

When flying from London to Pasadena, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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 3 April 2026.

The most flights from LON to P4S are scheduled on a Monday (50 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (42 on average).

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

Reviews of airlines servicing Pasadena

Get insights into the airlines that provide service to Pasadena. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Pasadena. Reviews last updated 3 April 2026.
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.

Comfort

7.6

Crew

8.4

Boarding

7.8

Food

7.3

Entertainment

7.1

Overall

7.7

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas

Comfort

7.6

Crew

8.4

Boarding

7.8

Food

7.3

Entertainment

7.1

Overall

7.7

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas

Comfort

7.6

Crew

8.4

Boarding

7.8

Food

7.3

Entertainment

7.1

Overall

7.7

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas
Norse Atlantic UK
7.3
Good

Comfort

7.6

Crew

8.4

Boarding

7.8

Food

7.3

Entertainment

7.1

Overall

7.7

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas

Comfort

7.6

Crew

8.4

Boarding

7.8

Food

7.3

Entertainment

7.1

Overall

7.7

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas

Comfort

7.6

Crew

8.4

Boarding

7.8

Food

7.3

Entertainment

7.1

Overall

7.7

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas

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?

    United Airlines, Scandinavian Airlines, and Delta can get you from London to Pasadena in just under 13h 20m. Your travel time can differ by up to 4h 25m. 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 £166 on Norse Atlantic UK. Other airlines that offer cheap prices include WestJet from £172 and TAP AIR PORTUGAL from £248 one-way.

  • What are the most popular routes from London to Pasadena?

  • 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: Royal Jordanian (93%), Malaysia Airlines (89%), SriLankan Airlines( 89%).

  • What are the cheapest flights from London to Pasadena?

    On average you can expect to pay £2,795 for a flight from London to Pasadena. The cheapest flight overall is £382 while the most popular route, (London Heathrow - Los Angeles Los Angeles) is currently priced at £404.

  • 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 £242). Flying from London to Pasadena in July is currently the most expensive (average of £393). 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

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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

Discover the top 10 airlines that operate flights from London to Pasadena. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 3 April 2026.
AirlineCheapestAverageFlexibilityOn-time
IberiaCheapest£242Average£509FlexibilityNo cancel feeOn-time77%
Search Iberia flights
Norse Atlantic UKCheapest£274Average£501FlexibilityNo cancel feeOn-timeN/A
Search Norse Atlantic UK flights
SWISSCheapest£281Average£560FlexibilityNo cancel feeOn-time79%
Search SWISS flights
DeltaCheapest£313Average£528FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
Aer LingusCheapest£338Average£471FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights
Brussels AirlinesCheapest£339Average£461FlexibilityNo cancel feeOn-timeN/A
Search Brussels Airlines flights
Scandinavian AirlinesCheapest£342Average£464FlexibilityNo cancel feeOn-time77%
Search Scandinavian Airlines flights
British AirwaysCheapest£349Average£483FlexibilityNo cancel feeOn-time70%
Search British Airways flights
TAP AIR PORTUGALCheapest£351Average£483FlexibilityNo cancel feeOn-timeN/A
Search TAP AIR PORTUGAL flights
Austrian AirlinesCheapest£356Average£485FlexibilityNo cancel feeOn-time78%
Search Austrian Airlines flights

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?

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.

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