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Cheap flights from London to Pasadena from £236

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 11/11. Fares are subject to change and may not be available on all flights or dates of travel.
LON — LAX
31 Aug — 7 Sep1
1 adult

Cheapflights Tip: The best prices from London to Pasadena are usually found in September or February, booked 55 days in advance, depart on a Wednesday or Tuesday and return on a Monday

Cheap flight deals from London to Pasadena

Keep the following information in mind while searching for London to Pasadena flight deals. Data was last updated 26 August 2025.

Round-trip from

£373

One-way from

£236

Popular in

December

Cheapest in

September

Average price

£577
Air Canada
  • Air Canada
  • 25/9-13/10
  • 2 total stops
  • 36h 00m total
  • London to Pasadena
Search Deals
11/11
  • 11/11
  • 1 total stop
  • 18h 25m total
  • London to Pasadena
Search Deals
Highest demand for flights based on searches. 3% potential increase in price (£12 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£8 potential savings vs. average return price).
Search Deals
Average for round-trip flights in August 2025
Search Deals

Find flight deals from London to Pasadena

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 26 August 2025.

Thu 25/906:00LHR - LAX
1 stop18h 30mMultiple Airlines
Mon 13/1008:05LAX - LHR
1 stop17h 30mMultiple Airlines
Deal found 25/8£373
Tue 2/907:25LHR - LAX
1 stop15h 50mLufthansa
Mon 15/907:00LAX - LHR
1 stop14h 55mLufthansa
Deal found 25/8£374
Mon 1/908:50LHR - LAX
1 stop17h 35mAer Lingus
Mon 8/920:15LAX - LHR
1 stop14h 40mAer Lingus
Deal found 25/8£374
Fri 29/810:35LGW - LAX
1 stop36h 05mTAP AIR PORTUGAL
Tue 11/1116:45LAX - LGW
1 stop33h 05mTAP AIR PORTUGAL
Deal found 25/8£374
Tue 18/1110:20LHR - LAX
1 stop14h 40mScandinavian Airlines
Fri 5/1219:30LAX - LHR
2 stops29h 25mScandinavian Airlines
Deal found 25/8£376
Tue 2/908:45LHR - LAX
1 stop15h 45mUnited Airlines
Sun 9/1108:45LAX - LHR
1 stop14h 25mUnited Airlines
Deal found 25/8£377
Thu 4/908:40LHR - LAX
1 stop15h 50mUnited Airlines
Fri 19/916:40LAX - LHR
Nonstop10h 30mUnited Airlines
Deal found 23/8£377
Sun 21/906:05LTN - LAX
1 stop21h 00mMultiple Airlines
Sun 5/1021:25LAX - LTN
1 stop27h 50mMultiple Airlines
Deal found 25/8£377
Wed 8/1015:05LGW - LAX
1 stop15h 54mBritish Airways
Tue 21/1022:04LAX - LGW
1 stop26h 06mBritish Airways
Deal found 23/8£377
Mon 22/917:30LHR - LAX
Nonstop11h 15mVirgin Atlantic
Mon 29/920:05LAX - LHR
Nonstop10h 30mVirgin Atlantic
Deal found 25/8£378
Wed 17/907:40LGW - LAX
1 stop17h 50mMultiple Airlines
Wed 24/919:45LAX - LGW
1 stop15h 10mMultiple Airlines
Deal found 24/8£378
Thu 18/917:40SEN - LAX
1 stop33h 25mMultiple Airlines
Wed 8/1021:25LAX - SEN
1 stop34h 20mMultiple Airlines
Deal found 25/8£378

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 26 August 2025.
Use the filters below to find and compare flights from London to Pasadena that are best for you.

Fly from

London

Fly to

Pasadena

Route

Depart

Return

Price

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Thu 4/9

08:40-16:30

1 stop15h 50m

Los Angeles

Tue 9/9

12:05-09:35

1 stop13h 30m

£374

LondonLos Angeles

LGW - LAX

LGWLAX

London Gatwick

Wed 10/9

10:55-14:10

Nonstop11h 15m

Los Angeles

Fri 26/9

21:25-07:25

1 stop26h 00m

£374

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Thu 4/9

07:40-18:25

1 stop18h 45m

Los Angeles

Mon 8/9

20:15-20:20

1 stop16h 05m

£377

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Wed 5/11

09:00-16:35

1 stop15h 35m

Los Angeles

Mon 10/11

19:00-13:30

Nonstop10h 30m

£377

LondonLos Angeles

LTN - LAX

LTNLAX

London Luton

Sun 21/9

06:05-19:05

1 stop21h 00m

Los Angeles

Sun 5/10

21:25-09:15

1 stop27h 50m

£377

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Tue 11/11

09:00-16:35

1 stop15h 35m

Los Angeles

Tue 18/11

19:00-13:30

Nonstop10h 30m

£377

LondonLos Angeles

LGW - LAX

LGWLAX

London Gatwick

Wed 17/9

07:40-17:30

1 stop17h 50m

Los Angeles

Wed 24/9

19:45-18:55

1 stop15h 10m

£378

LondonLos Angeles

SEN - LAX

SENLAX

London Southend

Thu 18/9

17:40-19:05

1 stop33h 25m

Los Angeles

Wed 8/10

21:25-15:45

1 stop34h 20m

£378

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Thu 4/9

08:40-16:30

1 stop15h 50m

Los Angeles

Tue 9/9

16:40-11:10

Nonstop10h 30m

£379

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Wed 8/10

08:40-16:30

1 stop15h 50m

Los Angeles

Sat 8/11

06:55-05:55

2 stops15h 00m

£379

Flights are sorted by cheapest return flights first.

Deals found on 25/8

Showing 1-10 of 60 results
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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

How far ahead should I book a flight from London to Pasadena?

Use this chart to determine the optimal time to book a return flight from London to Pasadena. Price data was last updated on 22 August 2025.

Booking 55 days in advance of your planned departure date is, on average, the best time to get cheap flights from London to Pasadena. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest month to book a flight from London to Pasadena?

Currently, January is the cheapest month in which you can book a flight from London to Pasadena (average of £575). Flying from London to Pasadena in July is currently the most expensive (average of £811). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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 26 August 2025.

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.

What is the cheapest day to fly from London to Pasadena?

Use this chart to determine the cheapest time to fly return from London to Pasadena. Price data was last updated on 16 December 2024.

Travellers seeking maximum savings on their London to Pasadena flight should consider departing on Thursday evenings when fares are most often at their lowest. Sunday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

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 26 August 2025.

The most flights from LON to P4S are scheduled on a Saturday (55 on average). You will have fewer flight options on Tuesday, 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 26 August 2025.
Check out reviews from past customers who have flown with Finnair, 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.
Finnair
7.6
Good
1,320 reviews
Check prices

Crew

8.1

Boarding

7.6

Food

6.7

Overall

7.6

Entertainment

6.9

Comfort

7.5

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2025

FRA - DFW

I was lucky I had a seet without no one next to me My vegetarian meal was excellent. The service very good. Although there was a lot of turbulences during the flight, the landing was very soft and took away all our apprehension.
Finnair
7.6
Good
1,320 reviews
Finnair
7.6
Good
1,320 reviews
Check prices

Crew

8.1

Boarding

7.6

Food

6.7

Overall

7.6

Entertainment

6.9

Comfort

7.5

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2025

FRA - DFW

I was lucky I had a seet without no one next to me My vegetarian meal was excellent. The service very good. Although there was a lot of turbulences during the flight, the landing was very soft and took away all our apprehension.
Virgin Atlantic
7.4
Good
658 reviews
Finnair
7.6
Good
1,320 reviews
Check prices

Crew

8.1

Boarding

7.6

Food

6.7

Overall

7.6

Entertainment

6.9

Comfort

7.5

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2025

FRA - DFW

I was lucky I had a seet without no one next to me My vegetarian meal was excellent. The service very good. Although there was a lot of turbulences during the flight, the landing was very soft and took away all our apprehension.
Norse Atlantic UK
7.2
Good
Finnair
7.6
Good
1,320 reviews
Check prices

Crew

8.1

Boarding

7.6

Food

6.7

Overall

7.6

Entertainment

6.9

Comfort

7.5

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2025

FRA - DFW

I was lucky I had a seet without no one next to me My vegetarian meal was excellent. The service very good. Although there was a lot of turbulences during the flight, the landing was very soft and took away all our apprehension.
Lufthansa
6.8
Okay
7,359 reviews
Finnair
7.6
Good
1,320 reviews
Check prices

Crew

8.1

Boarding

7.6

Food

6.7

Overall

7.6

Entertainment

6.9

Comfort

7.5

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2025

FRA - DFW

I was lucky I had a seet without no one next to me My vegetarian meal was excellent. The service very good. Although there was a lot of turbulences during the flight, the landing was very soft and took away all our apprehension.
British Airways
6.7
Okay
7,309 reviews
Finnair
7.6
Good
1,320 reviews
Check prices

Crew

8.1

Boarding

7.6

Food

6.7

Overall

7.6

Entertainment

6.9

Comfort

7.5

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2025

FRA - DFW

I was lucky I had a seet without no one next to me My vegetarian meal was excellent. The service very good. Although there was a lot of turbulences during the flight, the landing was very soft and took away all our apprehension.

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?

    Aer Lingus, United Airlines, and British Airways can get you from London to Pasadena in just under 15h 35m. Your travel time can differ by up to 3h 10m. 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 most popular routes from London to Pasadena?

    When deciding which route to take from London to Pasadena consider London Heathrow - Los Angeles, London City - Los Angeles or London Luton - 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: Aeromexico (86%), KLM (82%), Air France( 82%).

  • What are the cheapest flights from London to Pasadena?

    On average you can expect to pay £2,537 for a flight from London to Pasadena. The cheapest flight overall is £399 while the most popular route, (London Heathrow - Los Angeles) is currently priced at £323.

  • 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.

  • What is the cheapest month to book a flight from London to Pasadena?

    Currently, January is the cheapest month in which you can book a flight from London to Pasadena (average of £575). Flying from London to Pasadena in July is currently the most expensive (average of £811). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Alternative routes for London to Pasadena

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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 26 August 2025.
AirlineCheapestAverageFlexibilityOn-time
FinnairCheapest£278Average£467FlexibilityNo cancel feeOn-time76%
Search Finnair flights
SWISSCheapest£290Average£494FlexibilityNo cancel feeOn-time79%
Search SWISS flights
Norse Atlantic UKCheapest£295Average£514FlexibilityNo cancel feeOn-timeN/A
Search Norse Atlantic UK flights
DeltaCheapest£335Average£537FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
KLMCheapest£344Average£547FlexibilityNo cancel feeOn-time75%
Search KLM flights
Scandinavian AirlinesCheapest£345Average£482FlexibilityNo cancel feeOn-time77%
Search Scandinavian Airlines flights
Brussels AirlinesCheapest£352Average£475FlexibilityNo cancel feeOn-timeN/A
Search Brussels Airlines flights
Air FranceCheapest£353Average£459FlexibilityNo cancel feeOn-time77%
Search Air France flights
Aer LingusCheapest£354Average£608FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights
Austrian AirlinesCheapest£355Average£471FlexibilityNo 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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