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Cheap flights from London to Pasadena from £423

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 12/6. Fares are subject to change and may not be available on all flights or dates of travel.
LON — LAX
27 Jun — 4 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 37 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 28 May 2026.

Mon 7/913:05
LHR
-
LAX
Nonstop11h 05m
Lufthansa
Mon 28/915:40
LAX
-
LHR
Nonstop10h 30m
Lufthansa
Deal found 23/5£483
Fri 2/1007:45
LHR
-
LAX
1 stop20h 48m
Multiple Airlines
Sat 10/1011:55
LAX
-
LHR
1 stop15h 55m
Multiple Airlines
Deal found 25/5£484
Mon 7/918:35
LGW
-
LAX
1 stop29h 55m
SWISS
Tue 6/1019:35
LAX
-
LGW
1 stop28h 50m
SWISS
Deal found 23/5£484
Tue 10/1109:15
LCY
-
LAX
1 stop15h 20m
SWISS
Tue 24/1119:10
LAX
-
LCY
1 stop13h 55m
SWISS
Deal found 26/5£484
Sun 15/1107:40
LHR
-
LAX
2 stops18h 21m
Lufthansa
Sun 29/1117:30
LAX
-
LHR
1 stop17h 05m
Lufthansa
Deal found 26/5£484
Tue 8/909:25
LGW
-
LAX
1 stop15h 05m
SWISS
Tue 15/919:35
LAX
-
LGW
1 stop28h 50m
SWISS
Deal found 25/5£484
Sat 5/907:30
LHR
-
LAX
2 stops21h 04m
Lufthansa
Sat 12/908:15
LAX
-
LHR
1 stop16h 15m
Lufthansa
Deal found 26/5£485
Thu 12/1118:40
LGW
-
LAX
1 stop29h 55m
SWISS
Mon 30/1119:10
LAX
-
LGW
1 stop14h 40m
SWISS
Deal found 26/5£485
Thu 24/909:30
LHR
-
LAX
2 stops19h 56m
Multiple Airlines
Thu 8/1014:35
LAX
-
LHR
1 stop14h 45m
Multiple Airlines
Deal found 26/5£486
Mon 21/918:35
LGW
-
LAX
1 stop29h 55m
SWISS
Mon 5/1019:35
LAX
-
LGW
1 stop28h 50m
SWISS
Deal found 26/5£486
Fri 25/906:00
LHR
-
LAX
1 stop15h 05m
Austrian Airlines
Wed 7/1008:17
LAX
-
LHR
1 stop14h 38m
Austrian Airlines
Deal found 25/5£487
Thu 10/918:35
LGW
-
LAX
1 stop29h 55m
SWISS
Thu 24/919:35
LAX
-
LGW
1 stop28h 50m
SWISS
Deal found 26/5£487

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 28 May 2026.

Round-trip from

£483

One-way from

£423

Popular in

December

Cheapest in

September

Average price

£478
Lufthansa
  • Lufthansa
  • 7/9-28/9
  • Nonstop
  • 21h 35m total
  • London to Pasadena
Search Deals
JetBlue
  • JetBlue
  • 12/6
  • 1 total stop
  • 28h 54m total
  • London to Pasadena
Search Deals
Highest demand for flights based on searches. 4% potential increase in price (£14 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (£7 potential savings vs. average return price).
Search Deals
Average for round-trip flights in May 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 28 May 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

Thu 17/9

06:00-13:05

1 stop15h 05m

Los Angeles

Fri 25/9

15:05-21:40

1 stop22h 35m

£487

LondonLos Angeles

LGW - LAX

LGWLAX

London Gatwick

Thu 3/9

09:25-16:30

1 stop15h 05m

Los Angeles

Mon 21/9

19:35-17:50

1 stop14h 15m

£504

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Sun 22/11

21:05-17:00

2 stops27h 55m

Los Angeles

Sat 28/11

19:30-09:35

2 stops30h 05m

£532

LondonLos Angeles

LGW - LAX

LGWLAX

London Gatwick

Thu 12/11

10:00-00:32

2 stops22h 32m

Los Angeles

Mon 30/11

18:20-15:45

1 stop13h 25m

£542

LondonLos Angeles

LTN - LAX

LTNLAX

London Luton

Mon 14/9

05:40-08:20

2 stops34h 40m

Los Angeles

Fri 18/9

10:20-23:50

2 stops29h 30m

£549

LondonLos Angeles

LGW - LAX

LGWLAX

London Gatwick

Tue 3/11

10:00-23:48

2 stops21h 48m

Los Angeles

Wed 18/11

11:00-15:45

2 stops20h 45m

£551

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Wed 17/6

08:20-11:30

Nonstop11h 10m

Los Angeles

Thu 23/7

18:10-12:45

Nonstop10h 35m

£558

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Sun 7/6

09:55-13:10

Nonstop11h 15m

Los Angeles

Fri 10/7

14:00-15:35

1 stop17h 35m

£559

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Fri 4/9

09:55-13:10

Nonstop11h 15m

Los Angeles

Wed 23/12

22:30-16:50

Nonstop10h 20m

£559

LondonLos Angeles

LCY - LAX

LCYLAX

London City

Thu 12/11

10:00-22:35

2 stops20h 35m

Los Angeles

Sun 15/11

06:30-08:10

2 stops17h 40m

£563

Flights are sorted by cheapest return flights first.

Deals found on 26/5

Showing 1-10 of 60 resultsSorted by cheapest first
1
2
3
...
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 28 May 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 28 May 2026.

The most flights from LON to P4S are scheduled on a Monday (53 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (53 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 28 May 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
689 reviews
Check prices

Boarding

7.7

Comfort

7.3

Entertainment

7.5

Overall

7.5

Crew

8.1

Food

6.9

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
689 reviews
Virgin Atlantic
7.5
Good
689 reviews
Check prices

Boarding

7.7

Comfort

7.3

Entertainment

7.5

Overall

7.5

Crew

8.1

Food

6.9

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
9,751 reviews
Virgin Atlantic
7.5
Good
689 reviews
Check prices

Boarding

7.7

Comfort

7.3

Entertainment

7.5

Overall

7.5

Crew

8.1

Food

6.9

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
689 reviews
Check prices

Boarding

7.7

Comfort

7.3

Entertainment

7.5

Overall

7.5

Crew

8.1

Food

6.9

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
8,032 reviews
Virgin Atlantic
7.5
Good
689 reviews
Check prices

Boarding

7.7

Comfort

7.3

Entertainment

7.5

Overall

7.5

Crew

8.1

Food

6.9

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
8,008 reviews
Virgin Atlantic
7.5
Good
689 reviews
Check prices

Boarding

7.7

Comfort

7.3

Entertainment

7.5

Overall

7.5

Crew

8.1

Food

6.9

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?

    Austrian Airlines, SWISS, and Scandinavian Airlines can get you from London to Pasadena in just under 15h 05m. Your travel time can differ by up to 12h 50m. 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 £170 on WestJet. Other airlines that offer cheap prices include Norse Atlantic UK from £190 and TAP AIR PORTUGAL from £244 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 Stansted - 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 (86%), Air France (86%), Delta( 86%).

  • What are the cheapest flights from London to Pasadena?

    On average you can expect to pay £2,181 for a flight from London to Pasadena. The cheapest flight overall is £432 while the most popular route, (London Heathrow - Los Angeles) is currently priced at £379.

  • 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 28 May 2026.
AirlineCheapestAverageFlexibilityOn-time
IberiaCheapest£238Average£505FlexibilityNo cancel feeOn-time77%
Search Iberia flights
Norse Atlantic UKCheapest£255Average£474FlexibilityNo cancel feeOn-timeN/A
Search Norse Atlantic UK flights
SWISSCheapest£296Average£431FlexibilityNo cancel feeOn-time79%
Search SWISS flights
Scandinavian AirlinesCheapest£321Average£423FlexibilityNo cancel feeOn-time77%
Search Scandinavian Airlines flights
Aer LingusCheapest£332Average£451FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights
DeltaCheapest£336Average£544FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
Brussels AirlinesCheapest£345Average£451FlexibilityNo cancel feeOn-timeN/A
Search Brussels Airlines flights
Austrian AirlinesCheapest£350Average£480FlexibilityNo cancel feeOn-time78%
Search Austrian Airlines flights
TAP AIR PORTUGALCheapest£352Average£477FlexibilityNo cancel feeOn-timeN/A
Search TAP AIR PORTUGAL flights
KLMCheapest£356Average£566FlexibilityNo cancel feeOn-time75%
Search KLM 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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