How long is the flight from London Heathrow Airport to Pasadena?

A quick flight from London Heathrow Airport to Pasadena can take about 15h 05m. British Airways provides one of the quickest options available for as low as £496. 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 TAP AIR PORTUGAL and SWISS, with prices starting from £248 and £309, 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 £3,064, our data shows the cheapest flight currently is £317. When looking at the most popular route, (London Heathrow - Los Angeles Los Angeles), you can expect to pay £368 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: Air Canada (89%), Austrian Airlines (89%), United Airlines( 89%).

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

Consider Virgin Atlantic, British Airways or Lufthansa 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.

£422+ 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 £484 and £668 in October. The cheapest return flight price found within the last 3 days was £449 on Lufthansa (15 Oct-27 Oct).

Cheapflights Tip: The best prices from London Heathrow to Pasadena are usually found in February or September, booked 83 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 2 July 2026.

Thu 15/1007:25

LHR

LAX

1 stop15h 50m

Lufthansa

Tue 27/1015:20

LAX

LHR

1 stop13h 40m

Lufthansa

Deal found 29/6£449

Fri 21/808:40

LHR

LAX

1 stop15h 50m

Multiple Airlines

Sun 6/915:35

LAX

LHR

Nonstop10h 35m

Multiple Airlines

Deal found 30/6£450

Tue 8/907:25

LHR

LAX

1 stop15h 50m

Lufthansa

Tue 29/915:40

LAX

LHR

Nonstop10h 30m

Lufthansa

Deal found 28/6£451

Wed 4/1113:40

LHR

LAX

1 stop33h 35m

TAP AIR PORTUGAL

Tue 10/1117:15

LAX

LHR

1 stop16h 15m

TAP AIR PORTUGAL

Deal found 1/7£452

Thu 22/1006:55

LHR

LAX

1 stop16h 20m

Multiple Airlines

Wed 4/1108:30

LAX

LHR

1 stop13h 25m

Multiple Airlines

Deal found 30/6£452

Tue 1/906:55

LHR

LAX

1 stop16h 20m

Lufthansa

Tue 15/908:15

LAX

LHR

1 stop14h 30m

Lufthansa

Deal found 29/6£453

Tue 1/906:55

LHR

LAX

1 stop16h 20m

Lufthansa

Tue 8/914:15

LAX

LHR

1 stop13h 40m

Lufthansa

Deal found 30/6£454

Fri 18/919:50

LHR

LAX

1 stop26h 50m

TAP AIR PORTUGAL

Tue 22/916:45

LAX

LHR

1 stop17h 00m

TAP AIR PORTUGAL

Deal found 28/6£455

Sun 30/807:25

LHR

LAX

1 stop15h 50m

Lufthansa

Sat 12/914:15

LAX

LHR

1 stop13h 40m

Lufthansa

Deal found 29/6£455

Wed 28/1007:40

LHR

LAX

1 stop15h 35m

Lufthansa

Tue 10/1118:55

LAX

LHR

Nonstop10h 35m

Lufthansa

Deal found 1/7£457

Tue 1/906:00

LHR

LAX

1 stop16h 45m

TAP AIR PORTUGAL

Tue 22/916:45

LAX

LHR

1 stop18h 05m

TAP AIR PORTUGAL

Deal found 28/6£458

Find flight deals from Heathrow to Pasadena

Round-trip from	£449
One-way from	£422
Popular in	December
Cheapest in	February
Average price	£577

Lufthansa
15/10-27/10
2 total stops
29h 30m total
London to Pasadena

Search Deals

31/8
3 total stops
28h 55m 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

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

Sat 22/8

12:55-20:00

1 stop15h 05m

Los Angeles Los Angeles

Sat 12/9

13:21-10:50

1 stop13h 29m

£496

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Sat 31/10

19:05-17:40

1 stop29h 35m

Los Angeles Los Angeles

Sun 8/11

17:30-12:10

Nonstop10h 40m

£496

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Fri 30/10

11:50-16:20

Nonstop11h 30m

Los Angeles Los Angeles

Tue 3/11

17:30-12:10

Nonstop10h 40m

£508

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Sat 17/10

08:20-11:30

Nonstop11h 10m

Los Angeles Los Angeles

Sun 25/10

22:00-15:30

Nonstop10h 30m

£536

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Thu 30/7

14:10-22:55

1 stop16h 45m

Los Angeles Los Angeles

Mon 3/8

16:10-12:25

1 stop12h 15m

£557

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Sun 19/7

09:30-16:20

1 stop14h 50m

Los Angeles Los Angeles

Thu 30/7

15:35-10:10

Nonstop10h 35m

£588

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Tue 25/8

07:05-16:50

2 stops17h 45m

Los Angeles Los Angeles

Thu 3/9

19:10-09:35

2 stops30h 25m

£597

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Fri 14/8

11:25-20:27

2 stops17h 02m

Los Angeles Los Angeles

Fri 28/8

12:50-09:40

1 stop12h 50m

£602

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Sun 16/8

13:40-21:42

1 stop16h 02m

Los Angeles Los Angeles

Mon 24/8

08:15-08:30

1 stop16h 15m

£602

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Fri 21/8

06:40-16:50

1 stop18h 10m

Los Angeles Los Angeles

Sun 6/9

19:10-21:35

2 stops18h 25m

£695

Flights are sorted by cheapest return flights first.

Deals found on 29/6

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 Finnair,Virgin Atlantic, andUnited Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Finnair

7.6

Good

1,418 reviews

Check prices

Reviews

1 / 20

2.0

Mediocre

Vlad-Valentin,Jan 2026

LHR - YVR

baggage allowance was different between the outgoing and inbound flights

Finnair

7.6

Good

1,418 reviews

Finnair

7.6

Good

1,418 reviews

Check prices

Reviews

1 / 20

2.0

Mediocre

Vlad-Valentin,Jan 2026

LHR - YVR

baggage allowance was different between the outgoing and inbound flights

Virgin Atlantic

7.5

Good

690 reviews

Finnair

7.6

Good

1,418 reviews

Check prices

Reviews

1 / 20

2.0

Mediocre

Vlad-Valentin,Jan 2026

LHR - YVR

baggage allowance was different between the outgoing and inbound flights

United Airlines

7.4

Good

9,926 reviews

Finnair

7.6

Good

1,418 reviews

Check prices

Reviews

1 / 20

2.0

Mediocre

Vlad-Valentin,Jan 2026

LHR - YVR

baggage allowance was different between the outgoing and inbound flights

Lufthansa

6.8

Okay

8,108 reviews

Finnair

7.6

Good

1,418 reviews

Check prices

Reviews

1 / 20

2.0

Mediocre

Vlad-Valentin,Jan 2026

LHR - YVR

baggage allowance was different between the outgoing and inbound flights

British Airways

6.7

Okay

8,088 reviews

Finnair

7.6

Good

1,418 reviews

Check prices

Reviews

1 / 20

2.0

Mediocre

Vlad-Valentin,Jan 2026

LHR - YVR

baggage allowance was different between the outgoing and inbound flights

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 15h 05m. British Airways provides one of the quickest options available for as low as £496. 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 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: Air Canada (89%), Austrian Airlines (89%), United Airlines( 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 £3,064, our data shows the cheapest flight currently is £317. When looking at the most popular route, (London Heathrow - Los Angeles Los Angeles), you can expect to pay £368 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£299	Average£410	FlexibilityNo cancel fee	On-time79%	Search SWISS flights
Norse Atlantic UK	Cheapest£309	Average£569	FlexibilityNo cancel fee	On-timeN/A	Search Norse Atlantic UK flights
Scandinavian Airlines	Cheapest£323	Average£441	FlexibilityNo cancel fee	On-time77%	Search Scandinavian Airlines flights
Aer Lingus	Cheapest£335	Average£445	FlexibilityNo cancel fee	On-timeN/A	Search Aer Lingus flights
Delta	Cheapest£339	Average£553	FlexibilityNo cancel fee	On-timeN/A	Search Delta flights
Brussels Airlines	Cheapest£348	Average£482	FlexibilityNo cancel fee	On-timeN/A	Search Brussels Airlines flights
TAP AIR PORTUGAL	Cheapest£354	Average£485	FlexibilityNo cancel fee	On-timeN/A	Search TAP AIR PORTUGAL flights
Austrian Airlines	Cheapest£355	Average£493	FlexibilityNo cancel fee	On-time78%	Search Austrian Airlines flights
Virgin Atlantic	Cheapest£363	Average£473	FlexibilityNo cancel fee	On-time72%	Search Virgin Atlantic flights
KLM	Cheapest£364	Average£596	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!

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

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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 £422

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 31/8. 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 2 July 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 2 July 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 2 July 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 2 July 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 2 July 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 2 July 2026.

Last-minute flights from Heathrow to PasadenaDiscover last-minute flight deals from Heathrow to Pasadena. Data last updated 2 July 2026 and is based on user searches.

Discover last-minute flight deals from Heathrow to Pasadena. Data last updated 2 July 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 2 July 2026.

Search for one-way flight options from Heathrow to Pasadena. Find affordable one-way fares based on user searches. Data last updated 2 July 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 2 July 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 2 July 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 2 July 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 Finnair,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

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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

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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 2 July 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 2 July 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 2 July 2026.

Last-minute flights from Heathrow to Pasadena
Discover last-minute flight deals from Heathrow to Pasadena. Data last updated 2 July 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 2 July 2026.