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

A quick flight from London Heathrow Airport to Pasadena can take about 14h 53m. Delta provides one of the quickest options available for as low as £494. 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?

£163 is the cheapest one-way deal found within the past few days, from Norse Atlantic UK. You may also be able to find cheap deals on WestJet and TAP AIR PORTUGAL, with prices starting from £169 and £243, 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 £2,526, our data shows the cheapest flight currently is £390. When looking at the most popular route, (London Heathrow - Los Angeles Los Angeles), you can expect to pay £367 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 (87%), SriLankan Airlines (86%), Fiji Airways( 85%).

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.

£342+ 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 £603 and £393 in August. The cheapest return flight price found within the last 3 days was £392 on British Airways (15 Aug-7 Sept).

Cheapflights Tip: The best prices from London Heathrow to Pasadena are usually found in September or February, booked 45 days in advance, depart on a Wednesday 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 18 April 2026.

Sat 15/810:30

LHR

LAX

Nonstop11h 20m

British Airways

Mon 7/917:10

LAX

LHR

Nonstop10h 25m

British Airways

Deal found 17/4£392

Wed 12/811:40

LHR

LAX

Nonstop11h 15m

British Airways

Sat 5/915:50

LAX

LHR

Nonstop10h 25m

British Airways

Deal found 17/4£392

Thu 13/810:30

LHR

LAX

Nonstop11h 20m

British Airways

Mon 7/915:50

LAX

LHR

Nonstop10h 25m

British Airways

Deal found 17/4£393

Wed 19/810:30

LHR

LAX

Nonstop11h 20m

British Airways

Wed 9/920:55

LAX

LHR

Nonstop10h 30m

British Airways

Deal found 14/4£399

Thu 13/810:30

LHR

LAX

Nonstop11h 20m

British Airways

Sat 12/920:55

LAX

LHR

Nonstop10h 30m

British Airways

Deal found 17/4£403

Fri 14/811:40

LHR

LAX

Nonstop11h 15m

British Airways

Sat 12/920:55

LAX

LHR

Nonstop10h 30m

British Airways

Deal found 17/4£404

Fri 14/810:30

LHR

LAX

Nonstop11h 20m

British Airways

Sun 13/915:50

LAX

LHR

Nonstop10h 25m

British Airways

Deal found 17/4£406

Wed 20/510:20

LHR

LAX

1 stop14h 50m

Finnair

Wed 3/618:50

LAX

LHR

1 stop17h 50m

Finnair

Deal found 16/4£406

Tue 11/811:40

LHR

LAX

Nonstop11h 15m

British Airways

Tue 8/915:50

LAX

LHR

Nonstop10h 25m

British Airways

Deal found 17/4£410

Sun 9/815:05

LHR

LAX

Nonstop11h 15m

British Airways

Sat 5/915:50

LAX

LHR

Nonstop10h 25m

British Airways

Deal found 17/4£413

Fri 14/810:30

LHR

LAX

Nonstop11h 20m

British Airways

Sat 5/915:50

LAX

LHR

Nonstop10h 25m

British Airways

Deal found 17/4£414

Fri 30/1015:20

LHR

LAX

Nonstop11h 25m

United Airlines

Sun 15/1119:00

LAX

LHR

Nonstop10h 30m

United Airlines

Deal found 15/4£418

Find flight deals from Heathrow to Pasadena

Round-trip from	£392
One-way from	£342
Popular in	December
Cheapest in	September
Average price	£475

British Airways
15/8-7/9
Nonstop
21h 45m total
London to Pasadena

Search Deals

14/5
1 total stop
34h 30m 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 April 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

Thu 16/7

10:45-17:38

1 stop14h 53m

Los Angeles Los Angeles

Thu 23/7

14:00-15:35

1 stop17h 35m

£494

Fastest return journey

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Thu 23/4

06:30-11:50

1 stop13h 20m

Los Angeles Los Angeles

Thu 14/5

20:30-14:55

Nonstop10h 25m

£505

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Thu 7/5

06:30-11:50

1 stop13h 20m

Los Angeles Los Angeles

Sat 16/5

17:40-15:35

1 stop13h 55m

£512

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Thu 30/4

06:30-14:45

1 stop16h 15m

Los Angeles Los Angeles

Wed 13/5

09:55-10:00

1 stop16h 05m

£519

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Tue 19/5

06:30-11:50

1 stop13h 20m

Los Angeles Los Angeles

Tue 9/6

12:15-10:20

1 stop14h 05m

£525

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Tue 2/6

08:40-14:45

1 stop14h 05m

Los Angeles Los Angeles

Tue 9/6

14:00-15:35

1 stop17h 35m

£525

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Sat 27/6

11:45-21:13

1 stop17h 28m

Los Angeles Los Angeles

Wed 8/7

20:35-15:00

Nonstop10h 25m

£535

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Fri 3/7

18:00-07:57

1 stop21h 57m

Los Angeles Los Angeles

Fri 10/7

23:15-17:35

Nonstop10h 20m

£535

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Fri 1/5

09:55-13:10

Nonstop11h 15m

Los Angeles Los Angeles

Tue 5/5

08:15-06:25

1 stop14h 10m

£539

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Mon 29/6

09:55-13:10

Nonstop11h 15m

Los Angeles Los Angeles

Thu 9/7

17:42-17:30

1 stop15h 48m

£542

Flights are sorted by cheapest return flights first.

Deals found on 17/4

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

How far ahead should I book a flight from London Heathrow Airport to Pasadena?

Booking 45 days in advance of your planned departure date is, on average, the best time to get cheap flights from London Heathrow Airport to Pasadena. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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 (50 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (49 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

1,502 reviews

Check prices

Reviews

1 / 20

2.0

Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas

KLM

7.8

Good

1,502 reviews

KLM

7.8

Good

1,502 reviews

Check prices

Reviews

1 / 20

2.0

Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas

Virgin Atlantic

7.5

Good

687 reviews

KLM

7.8

Good

1,502 reviews

Check prices

Reviews

1 / 20

2.0

Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas

United Airlines

7.4

Good

9,604 reviews

KLM

7.8

Good

1,502 reviews

Check prices

Reviews

1 / 20

2.0

Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas

Lufthansa

6.8

Okay

7,930 reviews

KLM

7.8

Good

1,502 reviews

Check prices

Reviews

1 / 20

2.0

Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas

British Airways

6.7

Okay

7,892 reviews

KLM

7.8

Good

1,502 reviews

Check prices

Reviews

1 / 20

2.0

Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas

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 14h 53m. Delta provides one of the quickest options available for as low as £494. 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?
£163 is the cheapest one-way deal found within the past few days, from Norse Atlantic UK. You may also be able to find cheap deals on WestJet and TAP AIR PORTUGAL, with prices starting from £169 and £243, 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 (87%), SriLankan Airlines (86%), Fiji Airways( 85%).
What are the cheapest flights from London Heathrow Airport to Pasadena?
While on average a flight from London Heathrow Airport to Pasadena is generally £2,526, our data shows the cheapest flight currently is £390. When looking at the most popular route, (London Heathrow - Los Angeles Los Angeles), you can expect to pay £367 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
Norse Atlantic UK	Cheapest£268	Average£511	FlexibilityNo cancel fee	On-timeN/A	Search Norse Atlantic UK flights
SWISS	Cheapest£275	Average£395	FlexibilityNo cancel fee	On-time79%	Search SWISS flights
Delta	Cheapest£285	Average£519	FlexibilityNo cancel fee	On-timeN/A	Search Delta flights
Scandinavian Airlines	Cheapest£329	Average£444	FlexibilityNo cancel fee	On-time77%	Search Scandinavian Airlines flights
Aer Lingus	Cheapest£331	Average£458	FlexibilityNo cancel fee	On-timeN/A	Search Aer Lingus flights
Brussels Airlines	Cheapest£331	Average£450	FlexibilityNo cancel fee	On-timeN/A	Search Brussels Airlines flights
TAP AIR PORTUGAL	Cheapest£343	Average£473	FlexibilityNo cancel fee	On-timeN/A	Search TAP AIR PORTUGAL flights
Austrian Airlines	Cheapest£348	Average£475	FlexibilityNo cancel fee	On-time78%	Search Austrian Airlines flights
KLM	Cheapest£354	Average£459	FlexibilityNo cancel fee	On-time75%	Search KLM flights
Air France	Cheapest£354	Average£544	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?

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Can Cheapflights notify me if prices for flights from Heathrow to Pasadena become cheaper?

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Cheap flights from London Heathrow Airport to Pasadena from £342

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 14/5. 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 18 April 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 18 April 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 18 April 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 18 April 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 18 April 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 18 April 2026.

Last-minute flights from Heathrow to PasadenaDiscover last-minute flight deals from Heathrow to Pasadena. Data last updated 18 April 2026 and is based on user searches.

Discover last-minute flight deals from Heathrow to Pasadena. Data last updated 18 April 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 18 April 2026.

Search for one-way flight options from Heathrow to Pasadena. Find affordable one-way fares based on user searches. Data last updated 18 April 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 18 April 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

How far ahead should I book a flight from London Heathrow Airport to Pasadena?

Use this chart to determine the optimal time to book a return flight from Heathrow to Pasadena. Price data was last updated on 17 April 2026.

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 April 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 18 April 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

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Complete your trip

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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 18 April 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 18 April 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 18 April 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 18 April 2026.

Last-minute flights from Heathrow to Pasadena
Discover last-minute flight deals from Heathrow to Pasadena. Data last updated 18 April 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 18 April 2026.