Cheap flights from London Heathrow Airport to Pasadena from £441

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 2/7. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — LAX
18 Jul — 25 Jul1
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 35 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 18 June 2026.

Tue 7/711:00
LHR
-
LAX
1 stop13h 19m
British Airways
Tue 14/720:10
LAX
-
LHR
1 stop13h 10m
British Airways
Deal found 18/6£477
Wed 19/806:55
LHR
-
LAX
1 stop16h 20m
Lufthansa
Tue 1/915:35
LAX
-
LHR
Nonstop10h 35m
Lufthansa
Deal found 17/6£477
Sat 22/806:15
LHR
-
LAX
1 stop14h 40m
Virgin Atlantic
Mon 31/812:07
LAX
-
LHR
1 stop19h 28m
Virgin Atlantic
Deal found 18/6£479
Fri 21/813:05
LHR
-
LAX
Nonstop11h 05m
United Airlines
Sun 30/807:45
LAX
-
LHR
1 stop15h 40m
United Airlines
Deal found 16/6£480
Thu 16/719:45
LHR
-
LAX
1 stop23h 55m
Virgin Atlantic
Thu 6/814:00
LAX
-
LHR
1 stop17h 35m
Virgin Atlantic
Deal found 17/6£480
Mon 13/718:05
LHR
-
LAX
2 stops27h 40m
Iberia
Wed 22/716:15
LAX
-
LHR
Nonstop10h 35m
Iberia
Deal found 16/6£481
Sat 22/809:30
LHR
-
LAX
1 stop18h 24m
United Airlines
Sat 29/808:15
LAX
-
LHR
1 stop14h 30m
United Airlines
Deal found 17/6£482
Thu 9/709:30
LHR
-
LAX
1 stop14h 50m
United Airlines
Sat 25/715:35
LAX
-
LHR
Nonstop10h 35m
United Airlines
Deal found 17/6£483
Thu 2/710:00
LHR
-
LAX
1 stop21h 38m
United Airlines
Fri 14/815:35
LAX
-
LHR
Nonstop10h 35m
United Airlines
Deal found 17/6£483
Fri 3/716:40
LHR
-
LAX
1 stop16h 17m
United Airlines
Mon 10/810:55
LAX
-
LHR
1 stop14h 45m
United Airlines
Deal found 16/6£484
Wed 15/711:25
LHR
-
LAX
1 stop19h 30m
United Airlines
Wed 22/715:35
LAX
-
LHR
Nonstop10h 35m
United Airlines
Deal found 17/6£485
Fri 10/707:30
LHR
-
LAX
1 stop16h 50m
United Airlines
Wed 15/708:15
LAX
-
LHR
1 stop14h 15m
United Airlines
Deal found 18/6£486

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 June 2026.

Round-trip from

£477

One-way from

£441

Popular in

July

Cheapest in

February

Average price

£559
Lufthansa
  • Lufthansa
  • 19/8-1/9
  • 1 total stop
  • 26h 55m total
  • London to Pasadena
Aer Lingus
  • Aer Lingus
  • 2/7
  • 1 total stop
  • 14h 25m total
  • London to Pasadena
Highest demand for flights based on searches. 10% potential increase in price (£41 potential increase over avg. return price).
Cheapest flight prices on average. 1% potential price decrease (£6 potential savings vs. average return price).
Average for round-trip flights in June 2026

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 June 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

Fri 21/8

13:05-16:10

Nonstop11h 05m

Los Angeles Los Angeles

Sat 29/8

16:10-12:25

1 stop12h 15m

£480

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Sat 22/8

06:15-18:25

1 stop20h 10m

Los Angeles Los Angeles

Tue 1/9

22:30-21:40

1 stop15h 10m

£508

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Fri 23/10

08:20-11:30

Nonstop11h 10m

Los Angeles Los Angeles

Fri 30/10

18:30-12:10

Nonstop10h 40m

£512

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Sat 15/8

13:40-23:06

1 stop17h 26m

Los Angeles Los Angeles

Fri 28/8

10:53-09:40

1 stop14h 47m

£524

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Mon 10/8

08:00-00:09

1 stop24h 09m

Los Angeles Los Angeles

Tue 1/9

14:15-11:55

1 stop13h 40m

£524

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Tue 21/7

20:05-09:55

1 stop21h 50m

Los Angeles Los Angeles

Sat 8/8

12:07-15:35

1 stop19h 28m

£533

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Tue 21/7

20:05-09:55

1 stop21h 50m

Los Angeles Los Angeles

Mon 10/8

21:00-20:10

1 stop15h 10m

£533

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Thu 16/7

08:20-11:40

Nonstop11h 20m

Los Angeles Los Angeles

Thu 23/7

18:10-12:45

Nonstop10h 35m

£542

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Mon 3/8

12:10-16:30

1 stop36h 20m

Los Angeles Los Angeles

Thu 20/8

11:45-11:10

1 stop15h 25m

£562

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Mon 27/7

17:45-00:33

1 stop14h 48m

Los Angeles Los Angeles

Wed 12/8

13:07-10:00

1 stop12h 53m

£568

Flights are sorted by cheapest return flights first.

Deals found on 15/6

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 18 June 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 June 2026.

The most flights from LHR 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 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 June 2026.
Read through reviews of airlines operating flights from London Heathrow Airport to Pasadena, such as KLM,Virgin Atlantic, andUnited Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Food

7.3

Overall

7.8

Boarding

7.8

Comfort

7.7

Crew

8.4

Entertainment

7.2

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2026

OKC - ATL

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

Food

7.3

Overall

7.8

Boarding

7.8

Comfort

7.7

Crew

8.4

Entertainment

7.2

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2026

OKC - ATL

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

Food

7.3

Overall

7.8

Boarding

7.8

Comfort

7.7

Crew

8.4

Entertainment

7.2

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2026

OKC - ATL

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

Food

7.3

Overall

7.8

Boarding

7.8

Comfort

7.7

Crew

8.4

Entertainment

7.2

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2026

OKC - ATL

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

Food

7.3

Overall

7.8

Boarding

7.8

Comfort

7.7

Crew

8.4

Entertainment

7.2

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2026

OKC - ATL

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

Food

7.3

Overall

7.8

Boarding

7.8

Comfort

7.7

Crew

8.4

Entertainment

7.2

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 05m. United Airlines provides one of the quickest options available for as low as £480. 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?

    £170 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 £200 and £247, 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: Malaysia Airlines (94%), Royal Jordanian (89%), KLM( 89%).

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

    While on average a flight from London Heathrow Airport to Pasadena is generally £2,174, our data shows the cheapest flight currently is £348. When looking at the most popular route, (London Heathrow - Los Angeles Los Angeles), you can expect to pay £375 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

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 Heathrow to Pasadena

See prices for flight routes from nearby airports that may be better suited for you.

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 June 2026.
AirlineCheapestAverageFlexibilityOn-time
SWISSCheapest£297Average£409FlexibilityNo cancel feeOn-time79%
Search SWISS flights
Norse Atlantic UKCheapest£307Average£561FlexibilityNo cancel feeOn-timeN/A
Search Norse Atlantic UK flights
Scandinavian AirlinesCheapest£315Average£429FlexibilityNo cancel feeOn-time77%
Search Scandinavian Airlines flights
Aer LingusCheapest£334Average£445FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights
DeltaCheapest£337Average£562FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
TAP AIR PORTUGALCheapest£353Average£480FlexibilityNo cancel feeOn-timeN/A
Search TAP AIR PORTUGAL flights
Brussels AirlinesCheapest£354Average£474FlexibilityNo cancel feeOn-timeN/A
Search Brussels Airlines flights
Austrian AirlinesCheapest£359Average£488FlexibilityNo cancel feeOn-time78%
Search Austrian Airlines flights
Virgin AtlanticCheapest£362Average£471FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
KLMCheapest£362Average£591FlexibilityNo 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.

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.