Find flights
Deals
When to book
Airlines
FAQs

Cheap flights from London to Pasadena from £417

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 20/9. Fares are subject to change and may not be available on all flights or dates of travel.
LON — LAX
23 Jun — 30 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 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 24 May 2026.

Thu 11/613:05
LHR
-
LAX
Nonstop11h 05m
United Airlines
Mon 22/612:46
LAX
-
LHR
1 stop15h 39m
United Airlines
Deal found 19/5£481
Tue 10/1109:15
LCY
-
LAX
1 stop15h 20m
SWISS
Tue 24/1119:10
LAX
-
LCY
1 stop13h 55m
SWISS
Deal found 19/5£482
Thu 24/909:30
LHR
-
LAX
1 stop14h 50m
United Airlines
Thu 1/1013:15
LAX
-
LHR
1 stop14h 20m
United Airlines
Deal found 19/5£482
Tue 8/909:25
LGW
-
LAX
1 stop15h 05m
SWISS
Wed 16/919:35
LAX
-
LGW
1 stop14h 20m
SWISS
Deal found 19/5£482
Thu 3/920:05
LHR
-
LAX
1 stop28h 25m
SWISS
Sat 12/915:40
LAX
-
LHR
Nonstop10h 30m
SWISS
Deal found 19/5£482
Thu 10/909:25
LGW
-
LAX
1 stop15h 05m
SWISS
Wed 4/1119:10
LAX
-
LGW
1 stop14h 40m
SWISS
Deal found 20/5£482
Fri 25/906:00
LHR
-
LAX
1 stop15h 05m
Austrian Airlines
Wed 7/1015:40
LAX
-
LHR
Nonstop10h 30m
Austrian Airlines
Deal found 20/5£483
Wed 9/909:25
LGW
-
LAX
1 stop15h 05m
SWISS
Sun 20/919:35
LAX
-
LGW
1 stop14h 15m
SWISS
Deal found 20/5£483
Tue 28/711:25
LHR
-
LAX
1 stop16h 15m
United Airlines
Fri 7/807:30
LAX
-
LHR
1 stop15h 55m
United Airlines
Deal found 21/5£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
Sat 5/907:30
LHR
-
LAX
2 stops21h 04m
Lufthansa
Sat 12/907:00
LAX
-
LHR
1 stop14h 55m
Lufthansa
Deal found 22/5£485
Fri 4/909:25
LGW
-
LAX
1 stop15h 05m
SWISS
Wed 23/919:35
LAX
-
LGW
1 stop14h 20m
SWISS
Deal found 19/5£485

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 24 May 2026.

Round-trip from

£481

One-way from

£417

Popular in

December

Cheapest in

September

Average price

£479
United Airlines
  • United Airlines
  • 11/6-22/6
  • 1 total stop
  • 26h 44m total
  • London to Pasadena
Search Deals
20/9
  • 20/9
  • 2 total stops
  • 32h 50m total
  • London to Pasadena
Search Deals
Highest demand for flights based on searches. 4% potential increase in price (£15 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 24 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

Mon 2/11

07:05-17:00

2 stops17h 55m

Los Angeles

Fri 13/11

19:30-09:35

2 stops30h 05m

£527

LondonLos Angeles

LTN - LAX

LTNLAX

London Luton

Mon 14/9

20:35-16:20

2 stops27h 45m

Los Angeles

Sun 20/9

15:05-19:55

2 stops20h 50m

£531

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Sun 7/6

08:40-14:45

1 stop14h 05m

Los Angeles

Fri 10/7

14:00-15:35

1 stop17h 35m

£545

LondonLos Angeles

LTN - LAX

LTNLAX

London Luton

Wed 3/6

07:15-19:59

2 stops20h 44m

Los Angeles

Thu 11/6

11:05-19:55

2 stops24h 50m

£556
Fastest return journey

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Fri 5/6

18:15-21:25

Nonstop11h 10m

Los Angeles

Mon 8/6

23:15-17:35

Nonstop10h 20m

£557

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Tue 2/6

06:30-17:38

2 stops19h 08m

Los Angeles

Sun 7/6

09:30-12:35

1 stop19h 05m

£560

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Sat 4/7

08:40-20:09

2 stops19h 29m

Los Angeles

Fri 10/7

07:15-15:35

1 stop24h 20m

£565

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Tue 4/8

16:10-22:07

1 stop13h 57m

Los Angeles

Wed 12/8

18:10-12:45

Nonstop10h 35m

£572

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Fri 28/8

21:05-16:50

2 stops27h 45m

Los Angeles

Fri 25/9

11:45-16:00

2 stops20h 15m

£578

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Thu 6/8

08:20-19:28

1 stop19h 08m

Los Angeles

Sun 16/8

23:15-17:35

Nonstop10h 20m

£584

Flights are sorted by cheapest return flights first.

Deals found on 20/5

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 24 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 24 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 24 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

Comfort

7.3

Overall

7.5

Crew

8.1

Boarding

7.7

Entertainment

7.5

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

Comfort

7.3

Overall

7.5

Crew

8.1

Boarding

7.7

Entertainment

7.5

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

Comfort

7.3

Overall

7.5

Crew

8.1

Boarding

7.7

Entertainment

7.5

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

Comfort

7.3

Overall

7.5

Crew

8.1

Boarding

7.7

Entertainment

7.5

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
8,023 reviews
Virgin Atlantic
7.5
Good
689 reviews
Check prices

Comfort

7.3

Overall

7.5

Crew

8.1

Boarding

7.7

Entertainment

7.5

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
7,997 reviews
Virgin Atlantic
7.5
Good
689 reviews
Check prices

Comfort

7.3

Overall

7.5

Crew

8.1

Boarding

7.7

Entertainment

7.5

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?

    Scandinavian Airlines, Delta, and KLM can get you from London to Pasadena in just under 11h 10m. Your travel time can differ by up to 6h 45m. 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 £2,182 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 £380.

  • 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

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for London to Pasadena

See prices for flight routes from nearby airports that may be better suited for you.
Heathrow to Los Angeles flights
Heathrow to San Francisco flights
Heathrow to Las Vegas flights
Gatwick to Los Angeles flights
Stansted to Los Angeles flights
London City to Los Angeles flights
Gatwick to San Francisco flights
Stansted to San Francisco flights
London City to San Francisco flights
Gatwick to Las Vegas flights
Heathrow to Ontario flights
Heathrow to San Diego flights
Luton to Los Angeles flights
Heathrow to Santa Ana flights
Stansted to Las Vegas flights
London City to Las Vegas flights
Luton to San Francisco flights
Heathrow to San Jose flights
Luton to Las Vegas flights
Gatwick to San Diego flights
Manchester to Las Vegas flights
Stansted to San Diego flights
Gatwick to Burbank flights
Heathrow to Oakland flights
Manchester to Los Angeles flights
London City to San Diego flights
Manchester to San Francisco flights
Heathrow to Burbank flights
Gatwick to Oakland flights
Heathrow to Long Beach flights
Birmingham to San Francisco flights
Manchester to Santa Ana flights
Gatwick to Ontario flights
Newcastle upon Tyne to Los Angeles flights
Manchester to Ontario flights
Birmingham to Los Angeles flights
Gatwick to San Jose flights
Manchester to San Jose flights
Edinburgh to Los Angeles flights
Edinburgh to San Francisco flights
Heathrow to Sacramento flights
Heathrow to Palm Springs flights
Gatwick to Santa Ana flights
Newcastle upon Tyne to San Francisco flights
Edinburgh to Las Vegas flights
London City to San Jose flights
Gatwick to Sacramento flights
Southend to Los Angeles flights
London City to Santa Ana flights
Birmingham to Las Vegas flights

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 24 May 2026.
AirlineCheapestAverageFlexibilityOn-time
IberiaCheapest£238Average£505FlexibilityNo cancel feeOn-time77%
Search Iberia flights
Norse Atlantic UKCheapest£255Average£475FlexibilityNo 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£452FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights
DeltaCheapest£336Average£544FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
Brussels AirlinesCheapest£346Average£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£357Average£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.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.