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Cheap flights from London Heathrow Airport to Pasadena from £387

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 13/9. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — LAX
27 Aug — 3 Sep1
1 adult
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from London Heathrow to Pasadena are usually found in February or September, booked 89 days in advance, depart on a Friday or Thursday and return on a Wednesday

Cheap flight deals from Heathrow to Pasadena

Enter your travel dates to find the best prices.

Cheapest flights from Heathrow to Pasadena
Explore the most affordable flight options available from Heathrow to Pasadena. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 28 July 2026.

Fri 25/908:50
LHR
-
LAX
1 stop17h 35m
Aer Lingus
Mon 28/920:10
LAX
-
LHR
1 stop14h 45m
Aer Lingus
Deal found 27/7£441
Thu 8/1009:50
LHR
-
LAX
1 stop16h 35m
Aer Lingus
Tue 20/1020:10
LAX
-
LHR
1 stop16h 10m
Aer Lingus
Deal found 28/7£441
Wed 23/908:40
LHR
-
LAX
1 stop15h 50m
Multiple Airlines
Sun 27/915:40
LAX
-
LHR
Nonstop10h 30m
Multiple Airlines
Deal found 25/7£442
Wed 21/1008:40
LHR
-
LAX
1 stop15h 50m
Multiple Airlines
Thu 3/1218:55
LAX
-
LHR
Nonstop10h 35m
Multiple Airlines
Deal found 27/7£443
Wed 23/908:40
LHR
-
LAX
1 stop15h 50m
Multiple Airlines
Sun 4/1015:40
LAX
-
LHR
Nonstop10h 30m
Multiple Airlines
Deal found 24/7£444
Fri 28/806:00
LHR
-
LAX
1 stop15h 05m
Austrian Airlines
Fri 25/915:40
LAX
-
LHR
Nonstop10h 30m
Austrian Airlines
Deal found 26/7£444
Thu 3/906:00
LHR
-
LAX
1 stop15h 05m
Austrian Airlines
Sat 12/915:40
LAX
-
LHR
Nonstop10h 30m
Austrian Airlines
Deal found 24/7£445
Thu 22/1007:25
LHR
-
LAX
1 stop15h 50m
Lufthansa
Tue 3/1114:21
LAX
-
LHR
1 stop13h 39m
Lufthansa
Deal found 28/7£446
Fri 2/1007:30
LHR
-
LAX
1 stop16h 50m
United Airlines
Thu 15/1015:40
LAX
-
LHR
Nonstop10h 30m
United Airlines
Deal found 27/7£447
Fri 23/1006:55
LHR
-
LAX
1 stop16h 20m
United Airlines
Fri 30/1018:10
LAX
-
LHR
1 stop34h 40m
United Airlines
Deal found 27/7£447
Thu 24/909:30
LHR
-
LAX
1 stop14h 50m
United Airlines
Thu 8/1015:40
LAX
-
LHR
Nonstop10h 30m
United Airlines
Deal found 24/7£448
Tue 1/906:00
LHR
-
LAX
1 stop18h 30m
SWISS
Wed 30/919:35
LAX
-
LHR
1 stop15h 45m
SWISS
Deal found 26/7£449

Find flight deals from Heathrow to Pasadena

Keep the following information in mind while searching for Heathrow to Pasadena flight deals. Data was last updated 28 July 2026.

Round-trip from

£441

One-way from

£387

Popular in

December

Cheapest in

February

Average price

£567
Aer Lingus
  • Aer Lingus
  • 25/9-28/9
  • 2 total stops
  • 32h 20m total
  • London to Pasadena
Search Deals
Lufthansa
  • Lufthansa
  • 13/9
  • 1 total stop
  • 26h 50m total
  • London to Pasadena
Search Deals
Highest demand for flights based on searches. 2% potential increase in price (£9 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 July 2026
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Heathrow 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 July 2026.
Use the filters below to find and compare flights from London Heathrow Airport 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 2/9

08:40-16:30

1 stop15h 50m

Los Angeles

Sun 6/9

15:35-10:10

Nonstop10h 35m

£450

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Mon 31/8

08:40-16:30

1 stop15h 50m

Los Angeles

Mon 14/9

15:40-10:10

Nonstop10h 30m

£450

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Fri 11/9

06:00-13:05

1 stop15h 05m

Los Angeles

Fri 18/9

15:40-10:10

Nonstop10h 30m

£453

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Mon 24/8

06:00-13:05

1 stop15h 05m

Los Angeles

Mon 31/8

14:15-11:55

1 stop13h 40m

£453

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Tue 8/9

08:45-16:30

1 stop15h 45m

Los Angeles

Tue 22/9

08:15-06:30

1 stop14h 15m

£453

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Fri 21/8

09:30-16:20

1 stop14h 50m

Los Angeles

Fri 28/8

12:49-10:40

1 stop13h 51m

£456

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Thu 15/10

16:55-20:15

Nonstop11h 20m

Los Angeles

Sun 25/10

19:25-13:05

Nonstop10h 40m

£471

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Mon 5/10

13:05-16:25

Nonstop11h 20m

Los Angeles

Wed 14/10

15:40-10:10

Nonstop10h 30m

£471

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Mon 19/10

13:05-16:25

Nonstop11h 20m

Los Angeles

Sat 24/10

19:55-13:30

Nonstop10h 35m

£477
Fastest return journey

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Fri 28/8

13:05-16:10

Nonstop11h 05m

Los Angeles

Fri 25/9

15:40-10:10

Nonstop10h 30m

£478

Flights are sorted by cheapest return flights first.

Deals found on 27/7

Showing 1-10 of 23 resultsSorted by cheapest first
1
2
3

Best time to book a flight from Heathrow to Pasadena

Have a flexible travel schedule? Discover the best time to fly to Pasadena from Heathrow 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 Heathrow Airport to Pasadena

What is the cheapest time of day to fly from LHR to P4S?

Find hourly flight availability from Heathrow 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 July 2026.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from London Heathrow Airport to Pasadena as you normally would.

Weekly flight availability from London Heathrow Airport to Pasadena

Explore weekly flight availability from Heathrow 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 July 2026.

The most flights from LHR to P4S are scheduled on a Sunday (53 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (51 on average).

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

Airfare is below average for this route at the moment.
London Heathrow Airport to Pasadena flights typically cost between £468 and £620 in September.
The cheapest return price found within the last 5 days was £441 on Aer Lingus (25 Sept–28 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 28 July 2026.
Read through reviews of airlines operating flights from London Heathrow Airport to Pasadena, such as Virgin Atlantic,United Airlines, andIberia. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Virgin Atlantic
7.5
Good
694 reviews
Check prices

Entertainment

7.5

Crew

8.1

Food

6.9

Overall

7.5

Boarding

7.7

Comfort

7.3

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

Entertainment

7.5

Crew

8.1

Food

6.9

Overall

7.5

Boarding

7.7

Comfort

7.3

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
10,048 reviews
Virgin Atlantic
7.5
Good
694 reviews
Check prices

Entertainment

7.5

Crew

8.1

Food

6.9

Overall

7.5

Boarding

7.7

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Edwin,May 2026

LHR - LAX

First time flying with Virgin. It was everything I hoped it would be.
Iberia
7.0
Good
3,258 reviews
Virgin Atlantic
7.5
Good
694 reviews
Check prices

Entertainment

7.5

Crew

8.1

Food

6.9

Overall

7.5

Boarding

7.7

Comfort

7.3

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
8,162 reviews
Virgin Atlantic
7.5
Good
694 reviews
Check prices

Entertainment

7.5

Crew

8.1

Food

6.9

Overall

7.5

Boarding

7.7

Comfort

7.3

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
8,129 reviews
Virgin Atlantic
7.5
Good
694 reviews
Check prices

Entertainment

7.5

Crew

8.1

Food

6.9

Overall

7.5

Boarding

7.7

Comfort

7.3

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 Heathrow 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 Heathrow Airport to Pasadena?

    A quick flight from London Heathrow Airport to Pasadena can take about 15h 50m. United Airlines provides one of the quickest options available for as low as £450. London Heathrow Airport and Pasadena are separated by a distance of 5439 mi.

  • What are the cheapest airlines to fly from London Heathrow Airport to Pasadena one-way?

    £171 is the cheapest one-way deal found within the past few days, from WestJet. You may also be able to find cheap deals on TAP AIR PORTUGAL and SWISS, with prices starting from £248 and £309, respectively.

  • What are the most reliable airlines from London Heathrow Airport to Pasadena?

    Before booking your flight to Pasadena from London Heathrow Airport, check out the most reliable airlines to get you to your destination on time: SAUDIA (100%), Royal Jordanian (94%), Air Canada( 92%).

  • What are the cheapest flights from London Heathrow Airport to Pasadena?

    While on average a flight from London Heathrow Airport to Pasadena is generally £2,198, our data shows the cheapest flight currently is £312. When looking at the most popular route, (London Heathrow - Los Angeles), you can expect to pay £357 for that flight.

  • Can I find deals for flights from Heathrow to Pasadena that include hotel bookings?

    Yes. In addition to deals on Heathrow to Pasadena flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Heathrow to Pasadena?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Heathrow to Pasadena.

  • Can I find deals for business class flights from Heathrow to Pasadena?

    Yes. Cheapflights offers flight deals from Heathrow 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 Heathrow to Pasadena

See prices for flight routes from nearby airports that may be better suited for you.
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Southend to San Francisco flights
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Top 10 airlines flying from Heathrow to Pasadena

Discover the top 10 airlines that operate flights from Heathrow 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 July 2026.
AirlineCheapestAverageFlexibilityOn-time
Norse Atlantic UKCheapest£309Average£593FlexibilityNo cancel feeOn-timeN/A
Search Norse Atlantic UK flights
Scandinavian AirlinesCheapest£334Average£459FlexibilityNo cancel feeOn-time77%
Search Scandinavian Airlines flights
Aer LingusCheapest£335Average£457FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights
DeltaCheapest£339Average£581FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
Virgin AtlanticCheapest£346Average£464FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
Brussels AirlinesCheapest£349Average£474FlexibilityNo cancel feeOn-timeN/A
Search Brussels Airlines flights
SWISSCheapest£349Average£531FlexibilityNo cancel feeOn-time79%
Search SWISS flights
Austrian AirlinesCheapest£355Average£493FlexibilityNo cancel feeOn-time78%
Search Austrian Airlines flights
TAP AIR PORTUGALCheapest£356Average£486FlexibilityNo cancel feeOn-timeN/A
Search TAP AIR PORTUGAL flights
KLMCheapest£366Average£592FlexibilityNo 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 Heathrow to Pasadena?

When you search for this flight from Heathrow to Pasadena, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

Why should you use Cheapflights to find cheap flight tickets from Heathrow to Pasadena?

Cheapflights helps you find that perfect flight to Pasadena from Heathrow by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

Can Cheapflights find flights from Heathrow to Pasadena with no change fees?

Yes! Cheapflights helps users easily find flights from Heathrow to Pasadena with no change fees.

Can Cheapflights notify me if prices for flights from Heathrow to Pasadena become cheaper?

Yes! Start tracking prices for Heathrow to Pasadena flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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