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Cheap flights from London to Pasadena from £366

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 5/9. Fares are subject to change and may not be available on all flights or dates of travel.
LON — LAX
6 Jun — 13 Jun1
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 7 May 2026.

Fri 4/907:25
LHR
-
LAX
1 stop15h 50m
Lufthansa
Sun 13/915:40
LAX
-
LHR
Nonstop10h 30m
Lufthansa
Deal found 4/5£444
Sat 9/507:25
LHR
-
LAX
1 stop15h 50m
Lufthansa
Sat 16/515:30
LAX
-
LHR
Nonstop10h 40m
Lufthansa
Deal found 2/5£445
Fri 5/606:30
LHR
-
LAX
1 stop13h 20m
Virgin Atlantic
Sat 20/608:30
LAX
-
LHR
1 stop16h 20m
Virgin Atlantic
Deal found 3/5£452
Tue 21/713:05
LHR
-
LAX
Nonstop11h 05m
United Airlines
Tue 4/816:14
LAX
-
LHR
1 stop13h 56m
United Airlines
Deal found 3/5£452
Wed 6/515:05
LHR
-
LAX
Nonstop11h 10m
British Airways
Tue 12/515:10
LAX
-
LHR
1 stop13h 05m
British Airways
Deal found 3/5£455
Wed 15/716:40
LHR
-
LAX
1 stop16h 17m
United Airlines
Mon 10/810:10
LAX
-
LHR
1 stop13h 35m
United Airlines
Deal found 2/5£455
Tue 21/709:30
LHR
-
LAX
1 stop18h 24m
Air Canada
Wed 29/712:25
LAX
-
LHR
1 stop13h 35m
Air Canada
Deal found 3/5£456
Tue 1/915:05
LHR
-
LAX
Nonstop11h 15m
British Airways
Tue 15/920:55
LAX
-
LHR
Nonstop10h 30m
British Airways
Deal found 3/5£457
Sat 9/508:40
LHR
-
LAX
1 stop14h 05m
Virgin Atlantic
Sat 16/523:15
LAX
-
LHR
Nonstop10h 20m
Virgin Atlantic
Deal found 3/5£457
Fri 4/909:25
LGW
-
LAX
1 stop15h 05m
SWISS
Sun 13/919:35
LAX
-
LGW
1 stop14h 15m
SWISS
Deal found 3/5£457
Fri 8/506:30
LHR
-
LAX
1 stop13h 20m
Virgin Atlantic
Mon 11/515:50
LAX
-
LHR
Nonstop10h 25m
Virgin Atlantic
Deal found 2/5£458
Mon 4/506:30
LHR
-
LAX
1 stop16h 15m
Virgin Atlantic
Mon 18/519:59
LAX
-
LHR
1 stop13h 31m
Virgin Atlantic
Deal found 2/5£459

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 7 May 2026.

Round-trip from

£444

One-way from

£366

Popular in

December

Cheapest in

September

Average price

£452
Lufthansa
  • Lufthansa
  • 10/5-17/5
  • 1 total stop
  • 26h 30m total
  • London to Pasadena
Search Deals
5/9
  • 5/9
  • 3 total stops
  • 32h 10m total
  • London to Pasadena
Search Deals
Highest demand for flights based on searches. 5% potential increase in price (£18 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 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 7 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

Wed 5/8

15:15-23:35

1 stop16h 20m

Los Angeles Los Angeles

Wed 12/8

16:20-10:50

Nonstop10h 30m

£501

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Thu 4/6

14:30-17:45

Nonstop11h 15m

Los Angeles Los Angeles

Thu 11/6

18:25-16:35

1 stop14h 10m

£535

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Fri 5/6

08:40-14:45

1 stop14h 05m

Los Angeles Los Angeles

Mon 8/6

14:00-15:35

1 stop17h 35m

£544

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Sun 14/6

14:30-17:45

Nonstop11h 15m

Los Angeles Los Angeles

Mon 29/6

20:35-15:00

Nonstop10h 25m

£557

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Thu 10/9

19:50-14:35

1 stop26h 45m

Los Angeles Los Angeles

Thu 29/10

18:15-17:30

1 stop16h 15m

£560

LondonLos Angeles

LGW - LAX

LGWLAX

London Gatwick

Fri 5/6

10:25-18:35

1 stop16h 10m

Los Angeles Los Angeles

Mon 8/6

15:40-16:00

1 stop16h 20m

£560
Fastest return journey

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Thu 21/5

14:30-17:45

Nonstop11h 15m

Los Angeles Los Angeles

Wed 27/5

23:15-17:35

Nonstop10h 20m

£560

LondonLos Angeles

LCY - LAX

LCYLAX

London City

Tue 15/9

19:25-13:15

2 stops25h 50m

Los Angeles Los Angeles

Mon 21/9

15:15-08:25

2 stops33h 10m

£562

LondonLos Angeles

LCY - LAX

LCYLAX

London City

Thu 18/6

08:25-14:45

1 stop14h 20m

Los Angeles Los Angeles

Sat 4/7

13:50-18:30

1 stop20h 40m

£568

LondonLos Angeles

LCY - LAX

LCYLAX

London City

Thu 28/5

20:15-11:50

1 stop23h 35m

Los Angeles Los Angeles

Tue 29/9

13:35-16:40

2 stops19h 05m

£570

Flights are sorted by cheapest return flights first.

Deals found on 2/5

Showing 1-10 of 60 resultsSorted by cheapest first
1
2
3
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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 7 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 7 May 2026.

The most flights from LON to P4S are scheduled on a Monday (54 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (54 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 7 May 2026.
Check out reviews from past customers who have flown with United Airlines,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.
United Airlines
7.4
Good
9,693 reviews
Check prices

Boarding

7.7

Crew

8.1

Food

6.6

Overall

7.4

Entertainment

7.1

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Tim,Sept 2025

LHR - IAD

The premium economy seats were very comfortable and the attention and service by the flight attendants was superb.
United Airlines
7.4
Good
9,693 reviews
United Airlines
7.4
Good
9,693 reviews
Check prices

Boarding

7.7

Crew

8.1

Food

6.6

Overall

7.4

Entertainment

7.1

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Tim,Sept 2025

LHR - IAD

The premium economy seats were very comfortable and the attention and service by the flight attendants was superb.
Virgin Atlantic
7.4
Good
688 reviews
United Airlines
7.4
Good
9,693 reviews
Check prices

Boarding

7.7

Crew

8.1

Food

6.6

Overall

7.4

Entertainment

7.1

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Tim,Sept 2025

LHR - IAD

The premium economy seats were very comfortable and the attention and service by the flight attendants was superb.
Norse Atlantic UK
7.2
Good
United Airlines
7.4
Good
9,693 reviews
Check prices

Boarding

7.7

Crew

8.1

Food

6.6

Overall

7.4

Entertainment

7.1

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Tim,Sept 2025

LHR - IAD

The premium economy seats were very comfortable and the attention and service by the flight attendants was superb.
Lufthansa
6.8
Okay
7,978 reviews
United Airlines
7.4
Good
9,693 reviews
Check prices

Boarding

7.7

Crew

8.1

Food

6.6

Overall

7.4

Entertainment

7.1

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Tim,Sept 2025

LHR - IAD

The premium economy seats were very comfortable and the attention and service by the flight attendants was superb.
British Airways
6.7
Okay
7,951 reviews
United Airlines
7.4
Good
9,693 reviews
Check prices

Boarding

7.7

Crew

8.1

Food

6.6

Overall

7.4

Entertainment

7.1

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Tim,Sept 2025

LHR - IAD

The premium economy seats were very comfortable and the attention and service by the flight attendants was superb.

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?

    Finnair, Virgin Atlantic, and Delta can get you from London to Pasadena in just under 11h 15m. Your travel time can differ by up to 5h 05m. 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 £168 on WestJet. Other airlines that offer cheap prices include Norse Atlantic UK from £188 and TAP AIR PORTUGAL from £241 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 (91%), Royal Jordanian (90%), Fiji Airways( 89%).

  • What are the cheapest flights from London to Pasadena?

    On average you can expect to pay £2,115 for a flight from London to Pasadena. The cheapest flight overall is £431 while the most popular route, (London Heathrow - Los Angeles Los Angeles) is currently priced at £360.

  • 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

Browse thousands of different options on Cheapflights for your next trip

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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 7 May 2026.
AirlineCheapestAverageFlexibilityOn-time
IberiaCheapest£235Average£497FlexibilityNo cancel feeOn-time77%
Search Iberia flights
Norse Atlantic UKCheapest£257Average£502FlexibilityNo cancel feeOn-timeN/A
Search Norse Atlantic UK flights
SWISSCheapest£288Average£543FlexibilityNo cancel feeOn-time79%
Search SWISS flights
Scandinavian AirlinesCheapest£320Average£419FlexibilityNo cancel feeOn-time77%
Search Scandinavian Airlines flights
Aer LingusCheapest£328Average£454FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights
Brussels AirlinesCheapest£330Average£443FlexibilityNo cancel feeOn-timeN/A
Search Brussels Airlines flights
DeltaCheapest£332Average£531FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
British AirwaysCheapest£340Average£479FlexibilityNo cancel feeOn-time70%
Search British Airways flights
TAP AIR PORTUGALCheapest£342Average£471FlexibilityNo cancel feeOn-timeN/A
Search TAP AIR PORTUGAL flights
Austrian AirlinesCheapest£346Average£473FlexibilityNo 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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