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.

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 £2,187, 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.

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 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.

£417+ 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 £594 and £415 in September. The cheapest return flight price found within the last 3 days was £481 on LEVEL (25 Sept-17 Oct).

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

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 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

Round-trip from	£481
One-way from	£417
Popular in	December
Cheapest in	February
Average price	£488

LEVEL
25/9-17/10
2 total stops
58h 25m total
London to Pasadena

Search Deals

United Airlines
13/11
2 total stops
22h 55m 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

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

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

1,519 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

1,519 reviews

KLM

7.8

Good

1,519 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

689 reviews

KLM

7.8

Good

1,519 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

9,752 reviews

KLM

7.8

Good

1,519 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

8,023 reviews

KLM

7.8

Good

1,519 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

7,995 reviews

KLM

7.8

Good

1,519 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 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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Top 10 airlines flying from Heathrow to Pasadena

Airline	Cheapest	Average	Flexibility	On-time
SWISS	Cheapest£296	Average£407	FlexibilityNo cancel fee	On-time79%	Search SWISS flights
Norse Atlantic UK	Cheapest£306	Average£515	FlexibilityNo cancel fee	On-timeN/A	Search Norse Atlantic UK flights
Scandinavian Airlines	Cheapest£321	Average£423	FlexibilityNo cancel fee	On-time77%	Search Scandinavian Airlines flights
Aer Lingus	Cheapest£332	Average£452	FlexibilityNo cancel fee	On-timeN/A	Search Aer Lingus flights
Delta	Cheapest£336	Average£544	FlexibilityNo cancel fee	On-timeN/A	Search Delta flights
Brussels Airlines	Cheapest£346	Average£451	FlexibilityNo cancel fee	On-timeN/A	Search Brussels Airlines flights
Austrian Airlines	Cheapest£350	Average£480	FlexibilityNo cancel fee	On-time78%	Search Austrian Airlines flights
TAP AIR PORTUGAL	Cheapest£352	Average£477	FlexibilityNo cancel fee	On-timeN/A	Search TAP AIR PORTUGAL flights
KLM	Cheapest£357	Average£567	FlexibilityNo cancel fee	On-time75%	Search KLM flights
Air France	Cheapest£359	Average£586	FlexibilityNo cancel fee	On-time77%	Search Air France 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 £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.

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 23 May 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 23 May 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 23 May 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 23 May 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 23 May 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 23 May 2026.

Last-minute flights from Heathrow to PasadenaDiscover last-minute flight deals from Heathrow to Pasadena. Data last updated 23 May 2026 and is based on user searches.

Discover last-minute flight deals from Heathrow to Pasadena. Data last updated 23 May 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 23 May 2026.

Search for one-way flight options from Heathrow to Pasadena. Find affordable one-way fares based on user searches. Data last updated 23 May 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 23 May 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 23 May 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 23 May 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 23 May 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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Can Cheapflights notify me if prices for flights from Heathrow to Pasadena become cheaper?

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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 23 May 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 23 May 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 23 May 2026.

Last-minute flights from Heathrow to Pasadena
Discover last-minute flight deals from Heathrow to Pasadena. Data last updated 23 May 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 23 May 2026.