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. KLM provides one of the quickest options available for as low as £519. 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.

In terms of precipitation, rainfall in Pasadena ranges from 0.0 - 87.0 inches per month. February is typically the wettest month, when rainfall can reach 87.0 mm. July is typically the driest time to visit Pasadena when rainfall is around 0.0 mm.

If weather is an important factor for your trip to Pasadena, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 23.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 14.0 C).

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), you can expect to pay £378 for that flight.

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 most popular airlines that fly from London Heathrow Airport to Pasadena?

Consider Virgin Atlantic, British Airways or United Airlines when booking your flight. These represent the most popular airlines when flying from London Heathrow Airport to Pasadena.

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.

£440+ Cheap Flights from London Heathrow Airport to Pasadena

Q: 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 £667 and £480 in August. The cheapest return flight price found within the last 3 days was £479 on United Airlines (19 Aug-26 Sept).

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

Best

Direct

Last-minute

One-way

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 17 June 2026.

Wed 19/806:55

LHR

LAX

1 stop16h 20m

Lufthansa

Tue 1/915:35

LAX

LHR

Nonstop10h 35m

Lufthansa

Deal found 17/6£477

Wed 19/813:05

LHR

LAX

Nonstop11h 05m

United Airlines

Sat 26/915:40

LAX

LHR

Nonstop10h 30m

United Airlines

Deal found 17/6£479

Fri 21/813:05

LHR

LAX

Nonstop11h 05m

United Airlines

Tue 1/923:15

LAX

LHR

1 stop14h 10m

United Airlines

Deal found 16/6£480

Sat 27/609:15

LHR

LAX

1 stop17h 10m

British Airways

Sat 4/716:15

LAX

LHR

Nonstop10h 35m

British Airways

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 15/714:50

LHR

LAX

1 stop16h 05m

United Airlines

Wed 22/712:46

LAX

LHR

1 stop15h 49m

United Airlines

Deal found 17/6£485

Tue 23/608:55

LHR

LAX

1 stop17h 57m

Multiple Airlines

Tue 30/613:15

LAX

LHR

1 stop13h 35m

Multiple Airlines

Deal found 16/6£486

Fri 10/707:30

LHR

LAX

1 stop16h 50m

United Airlines

Wed 22/722:25

LAX

LHR

1 stop27h 35m

United Airlines

Deal found 17/6£486

Find flight deals from Heathrow to Pasadena

Round-trip from	£479
One-way from	£440
Popular in	July
Cheapest in	February
Average price	£559

United Airlines
19/8-26/9
Nonstop
21h 35m total
London to Pasadena

Search Deals

British Airways
12/8
2 total stops
21h 32m total
London to Pasadena

Search Deals

Highest demand for flights based on searches. 10% potential increase in price (£41 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 June 2026

Search Deals

Cheapflights Fare Finder

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

Fastest return journey

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Tue 25/8

18:15-21:25

Nonstop11h 10m

Los Angeles

Mon 31/8

23:15-17:35

Nonstop10h 20m

£496

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Sat 22/8

06:15-18:25

1 stop20h 10m

Los Angeles

Tue 1/9

22:30-21:40

1 stop15h 10m

£508

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Wed 12/8

13:05-16:10

Nonstop11h 05m

Los Angeles

Thu 20/8

14:29-12:25

1 stop13h 56m

£519

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Mon 14/12

06:30-17:44

2 stops19h 14m

Los Angeles

Wed 30/12

07:00-10:00

1 stop19h 00m

£521

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Mon 10/8

08:00-00:09

1 stop24h 09m

Los Angeles

Tue 1/9

14:15-11:55

1 stop13h 40m

£524

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Wed 15/7

09:55-13:10

Nonstop11h 15m

Los Angeles

Tue 28/7

23:15-17:35

Nonstop10h 20m

£548

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Wed 5/8

08:40-16:30

1 stop15h 50m

Los Angeles

Sun 9/8

10:55-11:10

1 stop16h 15m

£564

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Mon 3/8

06:55-22:55

2 stops24h 00m

Los Angeles

Thu 20/8

13:25-11:10

1 stop13h 45m

£571

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Sat 19/9

13:45-13:30

1 stop31h 45m

Los Angeles

Sun 27/9

16:40-17:45

1 stop17h 05m

£581

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Mon 21/9

18:15-21:25

Nonstop11h 10m

Los Angeles

Tue 22/9

23:15-17:35

Nonstop10h 20m

£598

Flights are sorted by cheapest return flights first.

Deals found on 13/6

Showing 1-10 of 23 resultsSorted by cheapest first

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.

LHR-LAX

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

LHR-P4S

LHR-LAX

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

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

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

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.

KLM

7.8

Good

1,530 reviews

Check prices

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

1,530 reviews

KLM

7.8

Good

1,530 reviews

Check prices

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

7.5

Good

690 reviews

KLM

7.8

Good

1,530 reviews

Check prices

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

9,858 reviews

KLM

7.8

Good

1,530 reviews

Check prices

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

8,069 reviews

KLM

7.8

Good

1,530 reviews

Check prices

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

8,054 reviews

KLM

7.8

Good

1,530 reviews

Check prices

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

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. KLM provides one of the quickest options available for as low as £519. 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), you can expect to pay £378 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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Top 10 airlines flying from Heathrow to Pasadena

Airline	Cheapest	Average	Flexibility	On-time
SWISS	Cheapest£297	Average£409	FlexibilityNo cancel fee	On-time79%	Search SWISS flights
Norse Atlantic UK	Cheapest£307	Average£561	FlexibilityNo cancel fee	On-timeN/A	Search Norse Atlantic UK flights
Scandinavian Airlines	Cheapest£315	Average£429	FlexibilityNo cancel fee	On-time77%	Search Scandinavian Airlines flights
Aer Lingus	Cheapest£334	Average£445	FlexibilityNo cancel fee	On-timeN/A	Search Aer Lingus flights
Delta	Cheapest£337	Average£562	FlexibilityNo cancel fee	On-timeN/A	Search Delta flights
TAP AIR PORTUGAL	Cheapest£353	Average£480	FlexibilityNo cancel fee	On-timeN/A	Search TAP AIR PORTUGAL flights
Brussels Airlines	Cheapest£354	Average£474	FlexibilityNo cancel fee	On-timeN/A	Search Brussels Airlines flights
Austrian Airlines	Cheapest£359	Average£488	FlexibilityNo cancel fee	On-time78%	Search Austrian Airlines flights
Virgin Atlantic	Cheapest£362	Average£471	FlexibilityNo cancel fee	On-time72%	Search Virgin Atlantic flights
KLM	Cheapest£362	Average£591	FlexibilityNo cancel fee	On-time75%	Search KLM flights

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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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Cheap flights from London Heathrow Airport to Pasadena from £440

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 12/8. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Heathrow to Pasadena

Cheapest flights from Heathrow to PasadenaExplore 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 17 June 2026.

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 17 June 2026.

Best flights from Heathrow to PasadenaDiscover carefully curated flight deals from Heathrow to Pasadena that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 17 June 2026.

Discover carefully curated flight deals from Heathrow to Pasadena that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 17 June 2026.

Direct flights from Heathrow to PasadenaExplore direct flight options from Heathrow to Pasadena based on user searches, and compare prices and availability for your desired travel dates. Data last updated 17 June 2026.

Explore direct flight options from Heathrow to Pasadena based on user searches, and compare prices and availability for your desired travel dates. Data last updated 17 June 2026.

Last-minute flights from Heathrow to PasadenaDiscover last-minute flight deals from Heathrow to Pasadena. Data last updated 17 June 2026 and is based on user searches.

Discover last-minute flight deals from Heathrow to Pasadena. Data last updated 17 June 2026 and is based on user searches.

One-way flights from Heathrow to PasadenaSearch for one-way flight options from Heathrow to Pasadena. Find affordable one-way fares based on user searches. Data last updated 17 June 2026.

Search for one-way flight options from Heathrow to Pasadena. Find affordable one-way fares based on user searches. Data last updated 17 June 2026.

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 17 June 2026.

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Cheapflights Fare Finder

Use the filters below to find and compare flights from London Heathrow Airport to Pasadena that are best for you.

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.

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 17 June 2026.

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 17 June 2026.

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

Reviews of airlines servicing Pasadena

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.

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?

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

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

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

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

How can I find direct flights from Heathrow to Pasadena?

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

Browse thousands of different options on Cheapflights for your next trip

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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.

Complete your trip

Complete your trip to Pasadena by adding a car hire and/or hotel booking to your travel itinerary.

Direct flights to California

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Search flights from Heathrow to Pasadena by cabin class

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Heathrow and Pasadena flights

Browse other Heathrow and Pasadena flight options. Last updated on 17 June 2026.

Other flights from Heathrow

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Heathrow to Pasadena flights

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Top 10 airlines flying from Heathrow to Pasadena

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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 17 June 2026.

Best flights from Heathrow to Pasadena
Discover carefully curated flight deals from Heathrow to Pasadena that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 17 June 2026.

Direct flights from Heathrow to Pasadena
Explore direct flight options from Heathrow to Pasadena based on user searches, and compare prices and availability for your desired travel dates. Data last updated 17 June 2026.

Last-minute flights from Heathrow to Pasadena
Discover last-minute flight deals from Heathrow to Pasadena. Data last updated 17 June 2026 and is based on user searches.

One-way flights from Heathrow to Pasadena
Search for one-way flight options from Heathrow to Pasadena. Find affordable one-way fares based on user searches. Data last updated 17 June 2026.