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Cheap flights from London to Pasadena from £351

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 23/9. Fares are subject to change and may not be available on all flights or dates of travel.
LON — LAX
16 Sep — 23 Sep1
1 adult
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from London to Pasadena are usually found in February or September, booked 62 days in advance, depart on a Friday or Thursday 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 17 August 2026.

Thu 10/906:30 -
1 stop13h 20m
Wed 23/923:15 -
Nonstop10h 20m
Deal found 12/8£429
Thu 10/906:30 -
1 stop14h 40m
Wed 23/914:15 -
1 stop13h 40m
Deal found 13/8£430
Sun 30/818:35 -
1 stop29h 55m
Mon 14/919:35 -
1 stop28h 50m
Deal found 16/8£430
Thu 10/907:30 -
1 stop16h 50m
Wed 23/916:15 -
1 stop12h 20m
Deal found 13/8£431
Tue 8/909:15 -
1 stop15h 15m
Tue 22/919:35 -
1 stop15h 05m
Deal found 13/8£431
Tue 1/908:45 -
1 stop15h 45m
Tue 22/915:40 -
Nonstop10h 30m
Deal found 17/8£431
Thu 19/1110:00 -
1 stop19h 35m
Tue 1/1218:55 -
1 stop30h 05m
Deal found 13/8£431
Thu 17/910:25 -
1 stop16h 15m
Mon 21/915:15 -
1 stop34h 10m
Deal found 13/8£432
Tue 10/1109:15 -
1 stop15h 20m
Tue 24/1119:10 -
1 stop13h 55m
Deal found 17/8£433
Fri 4/908:40 -
1 stop15h 50m
Sat 19/914:15 -
1 stop13h 40m
Deal found 17/8£433
Thu 24/906:00 -
1 stop15h 05m
Thu 22/1015:40 -
Nonstop10h 30m
Deal found 17/8£434
Thu 3/906:00 -
1 stop15h 05m
Sat 26/915:40 -
Nonstop10h 30m
Deal found 17/8£434

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 17 August 2026.

Round-trip from

£429

One-way from

£351

Popular in

December

Cheapest in

February

Average price

£530
Virgin Atlantic
  • Virgin Atlantic
  • 10/9-23/9
  • 1 total stop
  • 23h 40m total
  • London to Pasadena
Search Deals
23/9
  • 23/9
  • 2 total stops
  • 21h 40m total
  • London to Pasadena
Search Deals
Highest demand for flights based on searches. 2% potential increase in price (£8 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (£5 potential savings vs. average return price).
Search Deals
Average for round-trip flights in August 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 17 August 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 London Heathrow - LAX Los Angeles

LHRLAX

London Heathrow

Tue 8/9

08:45-16:30

1 stop15h 45m

Los Angeles

Tue 22/9

15:40-10:10

Nonstop10h 30m

£434

LondonLos Angeles

LHR London Heathrow - LAX Los Angeles

LHRLAX

London Heathrow

Mon 31/8

08:40-16:30

1 stop15h 50m

Los Angeles

Sun 13/9

15:40-10:10

Nonstop10h 30m

£436

LondonLos Angeles

LHR London Heathrow - LAX Los Angeles

LHRLAX

London Heathrow

Fri 6/11

06:35-15:15

1 stop16h 40m

Los Angeles

Wed 11/11

18:55-13:30

Nonstop10h 35m

£436

LondonLos Angeles

LHR London Heathrow - LAX Los Angeles

LHRLAX

London Heathrow

Sat 29/8

06:55-15:15

1 stop16h 20m

Los Angeles

Sun 6/9

10:44-09:00

1 stop14h 16m

£437

LondonLos Angeles

LHR London Heathrow - LAX Los Angeles

LHRLAX

London Heathrow

Thu 10/9

06:30-13:10

1 stop14h 40m

Los Angeles

Wed 23/9

15:40-10:10

Nonstop10h 30m

£440

LondonLos Angeles

LHR London Heathrow - LAX Los Angeles

LHRLAX

London Heathrow

Fri 12/2

06:30-13:05

1 stop14h 35m

Los Angeles

Sat 20/2

08:30-05:55

1 stop13h 25m

£442

LondonLos Angeles

LHR London Heathrow - LAX Los Angeles

LHRLAX

London Heathrow

Sat 12/9

14:05-21:31

1 stop15h 26m

Los Angeles

Sat 19/9

07:00-06:45

1 stop15h 45m

£456

LondonLos Angeles

LHR London Heathrow - LAX Los Angeles

LHRLAX

London Heathrow

Thu 15/10

13:05-16:25

Nonstop11h 20m

Los Angeles

Wed 28/10

19:55-13:30

Nonstop10h 35m

£458
Fastest return journey

LondonLos Angeles

LHR London Heathrow - LAX Los Angeles

LHRLAX

London Heathrow

Thu 1/10

13:05-16:25

Nonstop11h 20m

Los Angeles

Thu 8/10

15:40-10:10

Nonstop10h 30m

£462

LondonLos Angeles

LHR London Heathrow - LAX Los Angeles

LHRLAX

London Heathrow

Mon 14/9

13:05-16:25

Nonstop11h 20m

Los Angeles

Sun 27/9

15:40-10:10

Nonstop10h 30m

£463

Flights are sorted by cheapest return flights first.

Deals found on 16/8

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 17 August 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 17 August 2026.

The most flights from LON to P4S are scheduled on a Monday (57 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (57 on average).

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

Airfare is below average for this route at the moment.
London to Pasadena flights typically cost between £462 and £619 in September.
The cheapest return price found within the last 5 days was £429 on Virgin Atlantic (10 Sept–23 Sept).

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 17 August 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
694 reviews
Check prices

Crew

8.1

Boarding

7.7

Overall

7.5

Entertainment

7.5

Comfort

7.3

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
694 reviews
Virgin Atlantic
7.5
Good
694 reviews
Check prices

Crew

8.1

Boarding

7.7

Overall

7.5

Entertainment

7.5

Comfort

7.3

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
10,105 reviews
Virgin Atlantic
7.5
Good
694 reviews
Check prices

Crew

8.1

Boarding

7.7

Overall

7.5

Entertainment

7.5

Comfort

7.3

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
694 reviews
Check prices

Crew

8.1

Boarding

7.7

Overall

7.5

Entertainment

7.5

Comfort

7.3

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
8,197 reviews
Virgin Atlantic
7.5
Good
694 reviews
Check prices

Crew

8.1

Boarding

7.7

Overall

7.5

Entertainment

7.5

Comfort

7.3

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
8,169 reviews
Virgin Atlantic
7.5
Good
694 reviews
Check prices

Crew

8.1

Boarding

7.7

Overall

7.5

Entertainment

7.5

Comfort

7.3

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?

    United Airlines, Virgin Atlantic, and Delta can get you from London to Pasadena in just under 14h 35m. Your travel time can differ by up to 1h 40m. London and Pasadena are separated by a distance of 5463 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 £189 and TAP AIR PORTUGAL from £245 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 City - 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: SriLankan Airlines (92%), Malaysia Airlines (92%), Fiji Airways( 88%).

  • What are the cheapest flights from London to Pasadena?

    On average you can expect to pay £2,310 for a flight from London to Pasadena. The cheapest flight overall is £311 while the most popular route, (London Heathrow - Los Angeles) is currently priced at £320.

  • 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 17 August 2026.
AirlineCheapestAverageFlexibilityOn-time
Norse Atlantic UKCheapest£304Average£546FlexibilityNo cancel feeOn-timeN/A
Search Norse Atlantic UK flights
Aer LingusCheapest£331Average£459FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights
DeltaCheapest£337Average£588FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
Virgin AtlanticCheapest£340Average£462FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
Brussels AirlinesCheapest£343Average£473FlexibilityNo cancel feeOn-timeN/A
Search Brussels Airlines flights
SWISSCheapest£344Average£518FlexibilityNo cancel feeOn-time79%
Search SWISS flights
TAP AIR PORTUGALCheapest£349Average£468FlexibilityNo cancel feeOn-timeN/A
Search TAP AIR PORTUGAL flights
Austrian AirlinesCheapest£355Average£485FlexibilityNo cancel feeOn-time78%
Search Austrian Airlines flights
British AirwaysCheapest£359Average£492FlexibilityNo cancel feeOn-time70%
Search British Airways flights
KLMCheapest£360Average£585FlexibilityNo 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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