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Cheap flights from London to Pasadena from £445

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 19/11. Fares are subject to change and may not be available on all flights or dates of travel.
LON — LAX
21 Jul — 28 Jul1
1 adult
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from London to Pasadena are usually found in September or February, booked 81 days in advance, depart on a Friday or Wednesday 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 21 June 2026.

Fri 3/710:05
LHR
-
LAX
1 stop15h 40m
Finnair
Thu 9/716:15
LAX
-
LHR
Nonstop10h 35m
Finnair
Deal found 20/6£479
Thu 3/918:35
LGW
-
LAX
1 stop29h 55m
SWISS
Thu 17/919:35
LAX
-
LGW
1 stop14h 15m
SWISS
Deal found 20/6£479
Mon 21/909:15
LCY
-
LAX
1 stop15h 15m
SWISS
Mon 28/919:35
LAX
-
LCY
1 stop13h 55m
SWISS
Deal found 20/6£479
Sat 27/614:50
LHR
-
LAX
2 stops17h 27m
Lufthansa
Fri 10/723:59
LAX
-
LHR
2 stops22h 56m
Lufthansa
Deal found 20/6£479
Tue 1/909:15
LCY
-
LAX
1 stop15h 15m
SWISS
Sat 12/919:35
LAX
-
LCY
1 stop13h 50m
SWISS
Deal found 20/6£480
Fri 21/813:05
LHR
-
LAX
Nonstop11h 05m
United Airlines
Tue 1/915:35
LAX
-
LHR
Nonstop10h 35m
United Airlines
Deal found 19/6£480
Thu 3/920:40
LGW
-
LAX
1 stop27h 25m
Iberia
Sat 12/917:50
LAX
-
LGW
1 stop18h 10m
Iberia
Deal found 20/6£480
Tue 25/809:15
LCY
-
LAX
1 stop15h 15m
SWISS
Mon 31/819:35
LAX
-
LCY
1 stop13h 55m
SWISS
Deal found 20/6£481
Mon 29/608:20
LHR
-
LAX
Nonstop11h 10m
Finnair
Sun 12/718:10
LAX
-
LHR
Nonstop10h 35m
Finnair
Deal found 20/6£481
Mon 21/920:40
LGW
-
LAX
1 stop27h 25m
Iberia
Tue 29/906:05
LAX
-
LGW
2 stops20h 45m
Iberia
Deal found 19/6£481
Thu 2/719:15
LCY
-
LAX
1 stop29h 15m
SWISS
Wed 8/713:12
LAX
-
LCY
2 stops20h 13m
SWISS
Deal found 18/6£482
Wed 8/708:40
LHR
-
LAX
2 stops21h 15m
SWISS
Wed 16/919:35
LAX
-
LHR
1 stop14h 15m
SWISS
Deal found 20/6£482

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 21 June 2026.

Round-trip from

£479

One-way from

£445

Popular in

December

Cheapest in

September

Average price

£550
Finnair
  • Finnair
  • 3/7-9/7
  • 1 total stop
  • 26h 15m total
  • London to Pasadena
Search Deals
19/11
  • 19/11
  • 2 total stops
  • 19h 37m total
  • London to Pasadena
Search Deals
Highest demand for flights based on searches. 2% potential increase in price (£10 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (£6 potential savings vs. average return price).
Search Deals
Average for round-trip flights in June 2026
Search Deals

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 21 June 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

Sat 4/7

09:30-19:40

2 stops18h 10m

Los Angeles Los Angeles

Sun 9/8

13:25-11:10

1 stop13h 45m

£489

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Sat 22/8

06:15-18:25

1 stop20h 10m

Los Angeles Los Angeles

Tue 1/9

22:30-21:40

1 stop15h 10m

£513

LondonLos Angeles

LGW - LAX

LGWLAX

London Gatwick

Fri 3/7

10:25-23:54

2 stops21h 29m

Los Angeles Los Angeles

Mon 6/7

18:25-16:00

1 stop13h 35m

£516

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Sat 11/7

07:30-16:20

1 stop16h 50m

Los Angeles Los Angeles

Sat 1/8

05:00-09:40

1 stop20h 40m

£521

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Mon 14/12

06:30-17:44

2 stops19h 14m

Los Angeles Los Angeles

Wed 30/12

07:00-10:00

1 stop19h 00m

£526

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Mon 10/8

08:00-00:09

1 stop24h 09m

Los Angeles Los Angeles

Tue 1/9

14:15-11:55

1 stop13h 40m

£529

LondonLos Angeles

LGW - LAX

LGWLAX

London Gatwick

Fri 11/12

10:00-16:05

1 stop14h 05m

Los Angeles Los Angeles

Thu 7/1

17:05-15:45

1 stop14h 40m

£535

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Sun 5/7

09:30-13:10

1 stop35h 40m

Los Angeles Los Angeles

Sun 12/7

07:25-07:25

1 stop16h 00m

£537

LondonLos Angeles

LCY - LAX

LCYLAX

London City

Thu 15/10

09:20-21:12

2 stops19h 52m

Los Angeles Los Angeles

Sun 18/10

13:50-16:40

1 stop18h 50m

£540

LondonLos Angeles

LCY - LAX

LCYLAX

London City

Thu 1/10

08:25-20:55

2 stops20h 30m

Los Angeles Los Angeles

Wed 14/10

16:45-18:30

1 stop17h 45m

£542

Flights are sorted by cheapest return flights first.

Deals found on 15/6

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

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 21 June 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 21 June 2026.

The most flights from LON to P4S are scheduled on a Friday (53 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (51 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 21 June 2026.
Check out reviews from past customers who have flown with Virgin Atlantic,United Airlines, 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.
Virgin Atlantic
7.5
Good
690 reviews
Check prices

Crew

8.1

Entertainment

7.5

Food

6.9

Boarding

7.7

Overall

7.5

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Edwin,May 2026

LHR - LAX

First time flying with Virgin. It was everything I hoped it would be.
Virgin Atlantic
7.5
Good
690 reviews
Virgin Atlantic
7.5
Good
690 reviews
Check prices

Crew

8.1

Entertainment

7.5

Food

6.9

Boarding

7.7

Overall

7.5

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Edwin,May 2026

LHR - LAX

First time flying with Virgin. It was everything I hoped it would be.
United Airlines
7.4
Good
9,870 reviews
Virgin Atlantic
7.5
Good
690 reviews
Check prices

Crew

8.1

Entertainment

7.5

Food

6.9

Boarding

7.7

Overall

7.5

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Edwin,May 2026

LHR - LAX

First time flying with Virgin. It was everything I hoped it would be.
Norse Atlantic UK
7.2
Good
Virgin Atlantic
7.5
Good
690 reviews
Check prices

Crew

8.1

Entertainment

7.5

Food

6.9

Boarding

7.7

Overall

7.5

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Edwin,May 2026

LHR - LAX

First time flying with Virgin. It was everything I hoped it would be.
Lufthansa
6.8
Okay
8,086 reviews
Virgin Atlantic
7.5
Good
690 reviews
Check prices

Crew

8.1

Entertainment

7.5

Food

6.9

Boarding

7.7

Overall

7.5

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Edwin,May 2026

LHR - LAX

First time flying with Virgin. It was everything I hoped it would be.
British Airways
6.7
Okay
8,062 reviews
Virgin Atlantic
7.5
Good
690 reviews
Check prices

Crew

8.1

Entertainment

7.5

Food

6.9

Boarding

7.7

Overall

7.5

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Edwin,May 2026

LHR - LAX

First time flying with Virgin. It was everything I hoped it would be.

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, British Airways, and Virgin Atlantic can get you from London to Pasadena in just under 18h 10m. Your travel time can differ by up to 3h 19m. 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 £172 on WestJet. Other airlines that offer cheap prices include Norse Atlantic UK from £193 and TAP AIR PORTUGAL from £250 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 Los Angeles, London Gatwick - Los Angeles Los Angeles or London Stansted - Los Angeles 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: Malaysia Airlines (94%), Royal Jordanian (89%), KLM( 89%).

  • What are the cheapest flights from London to Pasadena?

    On average you can expect to pay £2,198 for a flight from London to Pasadena. The cheapest flight overall is £352 while the most popular route, (London Heathrow - Los Angeles Los Angeles) is currently priced at £365.

  • 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.

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.
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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 21 June 2026.
AirlineCheapestAverageFlexibilityOn-time
IberiaCheapest£242Average£530FlexibilityNo cancel feeOn-time77%
Search Iberia flights
Norse Atlantic UKCheapest£259Average£518FlexibilityNo cancel feeOn-timeN/A
Search Norse Atlantic UK flights
SWISSCheapest£301Average£442FlexibilityNo cancel feeOn-time79%
Search SWISS flights
Scandinavian AirlinesCheapest£319Average£434FlexibilityNo cancel feeOn-time77%
Search Scandinavian Airlines flights
Aer LingusCheapest£337Average£450FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights
DeltaCheapest£341Average£568FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
TAP AIR PORTUGALCheapest£357Average£485FlexibilityNo cancel feeOn-timeN/A
Search TAP AIR PORTUGAL flights
Brussels AirlinesCheapest£357Average£479FlexibilityNo cancel feeOn-timeN/A
Search Brussels Airlines flights
Austrian AirlinesCheapest£362Average£493FlexibilityNo cancel feeOn-time78%
Search Austrian Airlines flights
Virgin AtlanticCheapest£366Average£486FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic 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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