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Cheap flights from London Heathrow Airport to Pasadena from £413

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 4/10. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — LAX
17 Jun — 24 Jun1
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 45 days in advance, depart on a Wednesday or Friday 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 18 May 2026.

Sat 4/710:55
LHR
-
LAX
1 stop15h 15m
Virgin Atlantic
Fri 17/720:35
LAX
-
LHR
Nonstop10h 25m
Virgin Atlantic
Deal found 16/5£477
Fri 7/817:45
LHR
-
LAX
1 stop14h 50m
Virgin Atlantic
Mon 17/808:20
LAX
-
LHR
1 stop14h 05m
Virgin Atlantic
Deal found 17/5£477
Thu 3/918:15
LHR
-
LAX
Nonstop11h 10m
Virgin Atlantic
Wed 9/915:50
LAX
-
LHR
Nonstop10h 25m
Virgin Atlantic
Deal found 13/5£478
Wed 19/810:20
LHR
-
LAX
1 stop14h 50m
British Airways
Sun 23/815:15
LAX
-
LHR
1 stop22h 25m
British Airways
Deal found 16/5£479
Sun 6/906:00
LHR
-
LAX
1 stop15h 05m
Austrian Airlines
Sun 20/915:40
LAX
-
LHR
Nonstop10h 30m
Austrian Airlines
Deal found 17/5£480
Sat 8/817:45
LHR
-
LAX
1 stop31h 48m
Virgin Atlantic
Sat 15/819:14
LAX
-
LHR
1 stop36h 21m
Virgin Atlantic
Deal found 16/5£480
Fri 11/906:00
LHR
-
LAX
1 stop15h 05m
Austrian Airlines
Fri 6/1118:55
LAX
-
LHR
Nonstop10h 35m
Austrian Airlines
Deal found 16/5£481
Wed 30/910:20
LHR
-
LAX
1 stop14h 50m
American Airlines
Wed 7/1018:05
LAX
-
LHR
Nonstop10h 40m
American Airlines
Deal found 14/5£482
Tue 16/618:10
LHR
-
LAX
1 stop31h 00m
Finnair
Tue 23/613:15
LAX
-
LHR
1 stop13h 35m
Finnair
Deal found 17/5£483
Mon 9/1109:00
LHR
-
LAX
1 stop15h 35m
Multiple Airlines
Tue 1/1218:55
LAX
-
LHR
Nonstop10h 35m
Multiple Airlines
Deal found 15/5£483
Wed 14/1010:20
LHR
-
LAX
1 stop14h 50m
American Airlines
Mon 19/1021:00
LAX
-
LHR
Nonstop10h 25m
American Airlines
Deal found 16/5£484
Fri 25/906:00
LHR
-
LAX
1 stop15h 05m
Multiple Airlines
Tue 6/1013:19
LAX
-
LHR
1 stop13h 21m
Multiple Airlines
Deal found 15/5£485

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 18 May 2026.

Round-trip from

£477

One-way from

£413

Popular in

December

Cheapest in

February

Average price

£492
Virgin Atlantic
  • Virgin Atlantic
  • 4/7-17/7
  • 1 total stop
  • 25h 40m total
  • London to Pasadena
Search Deals
Finnair
  • Finnair
  • 4/10
  • 2 total stops
  • 35h 56m 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 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 18 May 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

Sun 6/9

06:00-13:05

1 stop15h 05m

Los Angeles

Sat 19/9

08:17-06:55

1 stop14h 38m

£480

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Tue 8/9

07:25-16:20

2 stops16h 55m

Los Angeles

Fri 18/9

14:29-12:25

1 stop13h 56m

£491

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Sun 20/9

09:55-13:10

Nonstop11h 15m

Los Angeles

Sun 27/9

08:00-06:25

1 stop14h 25m

£498
Fastest return journey

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Mon 8/6

08:20-11:30

Nonstop11h 10m

Los Angeles

Wed 15/7

20:55-15:25

Nonstop10h 30m

£501

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Thu 20/8

10:20-17:10

1 stop14h 50m

Los Angeles

Thu 27/8

16:20-10:50

Nonstop10h 30m

£502

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Fri 6/11

06:20-13:10

1 stop14h 50m

Los Angeles

Mon 9/11

22:30-16:50

Nonstop10h 20m

£504

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Fri 4/9

07:00-16:30

2 stops17h 30m

Los Angeles

Sun 20/9

19:35-17:50

1 stop14h 15m

£504

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Sun 7/6

18:15-21:25

Nonstop11h 10m

Los Angeles

Fri 10/7

14:00-15:35

1 stop17h 35m

£504

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Thu 5/11

17:20-20:40

Nonstop11h 20m

Los Angeles

Thu 19/11

11:45-08:45

1 stop13h 00m

£505

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Thu 6/8

08:20-18:24

1 stop18h 04m

Los Angeles

Mon 24/8

13:10-10:00

1 stop12h 50m

£509

Flights are sorted by cheapest return flights first.

Deals found on 16/5

Showing 1-10 of 24 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 18 May 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 18 May 2026.

The most flights from LHR to P4S are scheduled on a Monday (55 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (44 on average).

How much does it cost for a return flight from London Heathrow Airport 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 18 May 2026.
Read through reviews of airlines operating flights from London Heathrow Airport to Pasadena, such as KLM,United Airlines, andVirgin Atlantic. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
KLM
7.8
Good
1,517 reviews
Check prices

Entertainment

7.2

Comfort

7.7

Boarding

7.8

Food

7.3

Overall

7.8

Crew

8.4

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2026

OKC - ATL

Flight was ok - difficult as I had seat next to bathroom.. Food awful
KLM
7.8
Good
1,517 reviews
KLM
7.8
Good
1,517 reviews
Check prices

Entertainment

7.2

Comfort

7.7

Boarding

7.8

Food

7.3

Overall

7.8

Crew

8.4

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2026

OKC - ATL

Flight was ok - difficult as I had seat next to bathroom.. Food awful
United Airlines
7.4
Good
9,737 reviews
KLM
7.8
Good
1,517 reviews
Check prices

Entertainment

7.2

Comfort

7.7

Boarding

7.8

Food

7.3

Overall

7.8

Crew

8.4

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2026

OKC - ATL

Flight was ok - difficult as I had seat next to bathroom.. Food awful
Virgin Atlantic
7.4
Good
688 reviews
KLM
7.8
Good
1,517 reviews
Check prices

Entertainment

7.2

Comfort

7.7

Boarding

7.8

Food

7.3

Overall

7.8

Crew

8.4

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2026

OKC - ATL

Flight was ok - difficult as I had seat next to bathroom.. Food awful
Lufthansa
6.8
Okay
8,009 reviews
KLM
7.8
Good
1,517 reviews
Check prices

Entertainment

7.2

Comfort

7.7

Boarding

7.8

Food

7.3

Overall

7.8

Crew

8.4

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2026

OKC - ATL

Flight was ok - difficult as I had seat next to bathroom.. Food awful
British Airways
6.7
Okay
7,987 reviews
KLM
7.8
Good
1,517 reviews
Check prices

Entertainment

7.2

Comfort

7.7

Boarding

7.8

Food

7.3

Overall

7.8

Crew

8.4

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2026

OKC - ATL

Flight was ok - difficult as I had seat next to bathroom.. Food awful

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 11h 15m. Austrian Airlines provides one of the quickest options available for as low as £498. London Heathrow Airport 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 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 Norse Atlantic UK and TAP AIR PORTUGAL, with prices starting from £201 and £246, 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: KLM (86%), Air France (86%), Delta( 86%).

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

    While on average a flight from London Heathrow Airport to Pasadena is generally £2,199, our data shows the cheapest flight currently is £466. When looking at the most popular route, (London Heathrow - Los Angeles), you can expect to pay £380 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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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 18 May 2026.
AirlineCheapestAverageFlexibilityOn-time
SWISSCheapest£294Average£385FlexibilityNo cancel feeOn-time79%
Search SWISS flights
Norse Atlantic UKCheapest£309Average£519FlexibilityNo cancel feeOn-timeN/A
Search Norse Atlantic UK flights
Scandinavian AirlinesCheapest£323Average£425FlexibilityNo cancel feeOn-time77%
Search Scandinavian Airlines flights
Aer LingusCheapest£335Average£461FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights
Brussels AirlinesCheapest£337Average£449FlexibilityNo cancel feeOn-timeN/A
Search Brussels Airlines flights
DeltaCheapest£339Average£544FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
Austrian AirlinesCheapest£353Average£481FlexibilityNo cancel feeOn-time78%
Search Austrian Airlines flights
TAP AIR PORTUGALCheapest£355Average£481FlexibilityNo cancel feeOn-timeN/A
Search TAP AIR PORTUGAL flights
KLMCheapest£359Average£530FlexibilityNo cancel feeOn-time75%
Search KLM flights
Air FranceCheapest£360Average£562FlexibilityNo cancel feeOn-time77%
Search Air France 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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