Cheap flights from London Heathrow Airport to Pasadena from £417

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 13/11. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — LAX
22 Jun — 29 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 23 May 2026.

Sat 12/907:25
LHR
-
LAX
1 stop15h 50m
Lufthansa
Sat 7/1108:30
LAX
-
LHR
1 stop13h 25m
Lufthansa
Deal found 18/5£478
Wed 29/715:15
LHR
-
LAX
1 stop17h 14m
Delta
Sat 8/812:31
LAX
-
LHR
1 stop16h 34m
Delta
Deal found 18/5£481
Thu 24/909:30
LHR
-
LAX
1 stop14h 50m
United Airlines
Thu 1/1013:15
LAX
-
LHR
1 stop14h 20m
United Airlines
Deal found 19/5£482
Thu 3/920:05
LHR
-
LAX
1 stop28h 25m
SWISS
Sat 12/915:40
LAX
-
LHR
Nonstop10h 30m
SWISS
Deal found 19/5£482
Sat 18/709:30
LHR
-
LAX
1 stop17h 12m
United Airlines
Wed 29/707:00
LAX
-
LHR
1 stop16h 15m
United Airlines
Deal found 18/5£483
Tue 28/711:25
LHR
-
LAX
1 stop16h 15m
United Airlines
Fri 7/807:30
LAX
-
LHR
1 stop15h 55m
United Airlines
Deal found 21/5£484
Sat 5/907:30
LHR
-
LAX
2 stops21h 04m
Lufthansa
Sat 12/907:00
LAX
-
LHR
1 stop14h 55m
Lufthansa
Deal found 22/5£485
Fri 4/908:40
LHR
-
LAX
1 stop15h 50m
SWISS
Fri 18/912:25
LAX
-
LHR
2 stops36h 10m
SWISS
Deal found 20/5£485
Fri 25/906:00
LHR
-
LAX
1 stop15h 05m
Austrian Airlines
Wed 7/1008:17
LAX
-
LHR
1 stop14h 38m
Austrian Airlines
Deal found 23/5£487
Wed 16/909:30
LHR
-
LAX
2 stops19h 56m
Multiple Airlines
Wed 30/908:15
LAX
-
LHR
1 stop14h 15m
Multiple Airlines
Deal found 23/5£488
Mon 7/920:05
LHR
-
LAX
1 stop28h 25m
SWISS
Mon 21/919:35
LAX
-
LHR
1 stop14h 15m
SWISS
Deal found 20/5£488

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 23 May 2026.

Round-trip from

£481

One-way from

£417

Popular in

December

Cheapest in

February

Average price

£488
LEVEL
  • LEVEL
  • 25/9-17/10
  • 2 total stops
  • 58h 25m total
  • London to Pasadena
United Airlines
  • United Airlines
  • 13/11
  • 2 total stops
  • 22h 55m total
  • London to Pasadena
Highest demand for flights based on searches. 4% potential increase in price (£15 potential increase over avg. return price).
Cheapest flight prices on average. 1% potential price decrease (£7 potential savings vs. average return price).
Average for round-trip flights in May 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 23 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

Fri 28/8

06:00-14:35

1 stop16h 35m

Los Angeles Los Angeles

Fri 25/9

16:40-17:45

1 stop17h 05m

£490

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Fri 25/9

13:05-16:25

Nonstop11h 20m

Los Angeles Los Angeles

Fri 20/11

12:10-11:50

1 stop15h 40m

£506

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Mon 2/11

07:05-17:00

2 stops17h 55m

Los Angeles Los Angeles

Fri 13/11

19:30-09:35

2 stops30h 05m

£527

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Fri 5/6

06:30-14:45

1 stop16h 15m

Los Angeles Los Angeles

Mon 8/6

14:00-15:35

1 stop17h 35m

£543

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Mon 14/9

06:30-16:13

2 stops17h 43m

Los Angeles Los Angeles

Sun 8/11

21:50-06:25

1 stop24h 35m

£544

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Mon 17/8

11:40-14:55

Nonstop11h 15m

Los Angeles Los Angeles

Tue 1/9

10:21-08:05

1 stop13h 44m

£554
Fastest return journey

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Sun 7/6

09:55-13:10

Nonstop11h 15m

Los Angeles Los Angeles

Fri 10/7

23:15-17:35

Nonstop10h 20m

£555

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Mon 8/6

16:55-20:15

Nonstop11h 20m

Los Angeles Los Angeles

Tue 23/6

18:05-12:45

Nonstop10h 40m

£561

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Wed 5/8

11:00-18:37

1 stop15h 37m

Los Angeles Los Angeles

Wed 12/8

10:05-07:20

1 stop13h 15m

£569

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Wed 8/7

14:45-23:13

1 stop16h 28m

Los Angeles Los Angeles

Mon 17/8

17:05-11:35

Nonstop10h 30m

£573

Flights are sorted by cheapest return flights first.

Deals found on 18/5

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 23 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 23 May 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 23 May 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.

Crew

8.4

Boarding

7.8

Comfort

7.7

Entertainment

7.2

Food

7.3

Overall

7.8

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2026

OKC - ATL

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

Crew

8.4

Boarding

7.8

Comfort

7.7

Entertainment

7.2

Food

7.3

Overall

7.8

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2026

OKC - ATL

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

Crew

8.4

Boarding

7.8

Comfort

7.7

Entertainment

7.2

Food

7.3

Overall

7.8

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2026

OKC - ATL

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

Crew

8.4

Boarding

7.8

Comfort

7.7

Entertainment

7.2

Food

7.3

Overall

7.8

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2026

OKC - ATL

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

Crew

8.4

Boarding

7.8

Comfort

7.7

Entertainment

7.2

Food

7.3

Overall

7.8

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2026

OKC - ATL

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

Crew

8.4

Boarding

7.8

Comfort

7.7

Entertainment

7.2

Food

7.3

Overall

7.8

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 20m. TAP AIR PORTUGAL provides one of the quickest options available for as low as £506. 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 £244, 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 £2,187, our data shows the cheapest flight currently is £462. When looking at the most popular route, (London Heathrow - Los Angeles 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.

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 23 May 2026.
AirlineCheapestAverageFlexibilityOn-time
SWISSCheapest£296Average£407FlexibilityNo cancel feeOn-time79%
Search SWISS flights
Norse Atlantic UKCheapest£306Average£515FlexibilityNo cancel feeOn-timeN/A
Search Norse Atlantic UK flights
Scandinavian AirlinesCheapest£321Average£423FlexibilityNo cancel feeOn-time77%
Search Scandinavian Airlines flights
Aer LingusCheapest£332Average£452FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights
DeltaCheapest£336Average£544FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
Brussels AirlinesCheapest£346Average£451FlexibilityNo cancel feeOn-timeN/A
Search Brussels Airlines flights
Austrian AirlinesCheapest£350Average£480FlexibilityNo cancel feeOn-time78%
Search Austrian Airlines flights
TAP AIR PORTUGALCheapest£352Average£477FlexibilityNo cancel feeOn-timeN/A
Search TAP AIR PORTUGAL flights
KLMCheapest£357Average£567FlexibilityNo cancel feeOn-time75%
Search KLM flights
Air FranceCheapest£359Average£586FlexibilityNo cancel feeOn-time77%
Search Air France flights

Fly with Cheapflights

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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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