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

A quick flight from London Heathrow Airport to Pasadena can take about 15h 35m. United Airlines provides one of the quickest options available for as low as £359. London Heathrow Airport and Pasadena are separated by a distance of 5439 mi.

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

£237 is the cheapest one-way deal found within the past few days, from LEVEL. You may also be able to find cheap deals on Aer Lingus and American Airlines, with prices starting from £293 and £310, 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 £2,664, our data shows the cheapest flight currently is £355. When looking at the most popular route, (London Heathrow - Los Angeles), you can expect to pay £326 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: SriLankan Airlines (89%), Aeromexico (86%), KLM( 86%).

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

Consider American Airlines, Air Canada or Air France 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.

£237+ Flights from London Heathrow Airport to Pasadena

Cheapflights Tip: The best prices from London Heathrow to Pasadena are usually found in September or March, booked 56 days in advance, depart on a Wednesday or Tuesday and return on a Monday

Cheap flight deals from Heathrow to Pasadena

Round-trip from	£349
One-way from	£237
Popular in	July
Cheapest in	September
Average price	£405

Virgin Atlantic
6/10-15/10
1 total stop
33h 25m total
London to Pasadena

Search Deals

LEVEL
13/12
1 total stop
29h 20m total
London to Pasadena

Search Deals

Highest demand for flights based on searches. 14% potential increase in price (£61 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease (£10 potential savings vs. average return price).

Search Deals

Average for round-trip flights in September 2025

Search Deals

Find flight deals from Heathrow to Pasadena

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 September 2025.

Mon 6/1020:55LHR - LAX

1 stop22h 55mVirgin Atlantic

Wed 15/1015:30LAX - LHR

Nonstop10h 30mVirgin Atlantic

Deal found 15/9£349

Tue 23/906:30LHR - LAX

1 stop13h 20mVirgin Atlantic

Tue 30/920:05LAX - LHR

Nonstop10h 30mVirgin Atlantic

Deal found 15/9£350

Tue 7/1006:30LHR - LAX

1 stop13h 20mVirgin Atlantic

Fri 17/1015:30LAX - LHR

Nonstop10h 30mVirgin Atlantic

Deal found 16/9£350

Thu 25/906:55LHR - LAX

1 stop16h 20mLufthansa

Thu 9/1016:40LAX - LHR

Nonstop10h 30mLufthansa

Deal found 14/9£352

Fri 26/906:00LHR - LAX

1 stop15h 05mMultiple Airlines

Fri 10/1008:25LAX - LHR

1 stop14h 50mMultiple Airlines

Deal found 16/9£353

Mon 22/906:00LHR - LAX

1 stop18h 30mMultiple Airlines

Wed 8/1007:00LAX - LHR

1 stop14h 55mMultiple Airlines

Deal found 16/9£353

Thu 30/1009:00LHR - LAX

1 stop15h 35mMultiple Airlines

Thu 6/1119:00LAX - LHR

Nonstop10h 30mMultiple Airlines

Deal found 15/9£354

Thu 30/1008:50LHR - LAX

1 stop17h 40mAer Lingus

Fri 7/1120:15LAX - LHR

1 stop12h 35mAer Lingus

Deal found 15/9£355

Thu 6/1112:10LHR - LAX

1 stop14h 20mAer Lingus

Thu 13/1120:15LAX - LHR

1 stop16h 50mAer Lingus

Deal found 14/9£356

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 September 2025.

Sat 8/1109:00LHR - LAX

1 stop15h 35mUnited Airlines

Wed 12/1119:00LAX - LHR

Nonstop10h 30mUnited Airlines

Deal found 15/9£359

Tue 10/309:00LHR - LAX

1 stop15h 35mMultiple Airlines

Wed 25/320:00LAX - LHR

Nonstop10h 30mMultiple Airlines

Deal found 15/9£360

Sat 7/307:40LHR - LAX

1 stop15h 35mLufthansa

Tue 10/308:45LAX - LHR

1 stop14h 35mLufthansa

Deal found 16/9£365

Thu 30/1009:00LHR - LAX

1 stop15h 35mUnited Airlines

Wed 5/1100:25LAX - LHR

1 stop21h 30mUnited Airlines

Deal found 15/9£360

Fri 6/209:00LHR - LAX

1 stop15h 35mMultiple Airlines

Fri 20/208:45LAX - LHR

1 stop13h 10mMultiple Airlines

Deal found 15/9£360

Wed 5/1109:00LHR - LAX

1 stop15h 35mMultiple Airlines

Wed 12/1119:00LAX - LHR

Nonstop10h 30mMultiple Airlines

Deal found 16/9£361

Sat 8/1109:00LHR - LAX

1 stop15h 35mUnited Airlines

Fri 14/1100:25LAX - LHR

1 stop21h 30mUnited Airlines

Deal found 16/9£361

Fri 7/1109:00LHR - LAX

1 stop15h 35mUnited Airlines

Sat 8/1100:25LAX - LHR

1 stop21h 30mUnited Airlines

Deal found 16/9£361

Sun 2/1105:30LHR - LAX

1 stop14h 35mUnited Airlines

Sun 9/1119:00LAX - LHR

Nonstop10h 30mUnited Airlines

Deal found 15/9£364

Mon 2/307:40LHR - LAX

1 stop15h 35mUnited Airlines

Wed 11/300:59LAX - LHR

1 stop23h 31mUnited Airlines

Deal found 16/9£364

Sun 1/306:30LHR - LAX

2 stops18h 55mUnited Airlines

Mon 16/314:30LAX - LHR

1 stop12h 10mUnited Airlines

Deal found 15/9£369

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 September 2025.

Tue 7/1017:30LHR - LAX

Nonstop11h 15mVirgin Atlantic

Fri 17/1022:50LAX - LHR

Nonstop10h 25mVirgin Atlantic

Deal found 15/9£351

Thu 20/1117:20LHR - LAX

Nonstop11h 20mVirgin Atlantic

Mon 24/1116:35LAX - LHR

Nonstop10h 20mVirgin Atlantic

Deal found 16/9£352

Fri 3/1017:30LHR - LAX

Nonstop11h 15mVirgin Atlantic

Mon 6/1022:50LAX - LHR

Nonstop10h 25mVirgin Atlantic

Deal found 15/9£353

Wed 8/1014:30LHR - LAX

Nonstop11h 15mVirgin Atlantic

Wed 15/1015:30LAX - LHR

Nonstop10h 30mVirgin Atlantic

Deal found 15/9£353

Thu 30/1011:20LHR - LAX

Nonstop11h 15mVirgin Atlantic

Thu 6/1122:30LAX - LHR

Nonstop10h 20mVirgin Atlantic

Deal found 15/9£354

Tue 7/1017:30LHR - LAX

Nonstop11h 15mVirgin Atlantic

Tue 14/1015:45LAX - LHR

Nonstop10h 30mVirgin Atlantic

Deal found 15/9£355

Sun 28/909:55LHR - LAX

Nonstop11h 20mVirgin Atlantic

Sun 19/1022:50LAX - LHR

Nonstop10h 25mVirgin Atlantic

Deal found 16/9£356

Fri 26/917:30LHR - LAX

Nonstop11h 15mVirgin Atlantic

Mon 29/922:50LAX - LHR

Nonstop10h 25mVirgin Atlantic

Deal found 15/9£356

Fri 6/317:20LHR - LAX

Nonstop11h 20mVirgin Atlantic

Sun 15/323:30LAX - LHR

Nonstop10h 20mVirgin Atlantic

Deal found 15/9£359

Tue 13/111:20LHR - LAX

Nonstop11h 15mVirgin Atlantic

Sun 18/116:35LAX - LHR

Nonstop10h 20mVirgin Atlantic

Deal found 14/9£359

Fri 27/211:20LHR - LAX

Nonstop11h 15mVirgin Atlantic

Thu 12/317:35LAX - LHR

Nonstop10h 20mVirgin Atlantic

Deal found 16/9£360

Mon 12/111:20LHR - LAX

Nonstop11h 15mVirgin Atlantic

Mon 19/122:30LAX - LHR

Nonstop10h 20mVirgin Atlantic

Deal found 14/9£361

Last-minute flights from Heathrow to Pasadena
Discover last-minute flight deals from Heathrow to Pasadena. Data last updated 17 September 2025 and is based on user searches.

Mon 22/906:00LHR - LAX

1 stop18h 30mMultiple Airlines

Wed 8/1016:40LAX - LHR

Nonstop10h 30mMultiple Airlines

Deal found 16/9£353

Tue 23/906:30LHR - LAX

1 stop13h 20mVirgin Atlantic

Tue 30/920:05LAX - LHR

Nonstop10h 30mVirgin Atlantic

Deal found 15/9£350

Thu 25/906:55LHR - LAX

1 stop16h 20mLufthansa

Thu 9/1016:40LAX - LHR

Nonstop10h 30mLufthansa

Deal found 14/9£352

Fri 26/906:00LHR - LAX

1 stop15h 05mMultiple Airlines

Fri 10/1008:25LAX - LHR

1 stop14h 50mMultiple Airlines

Deal found 16/9£353

Mon 6/1020:55LHR - LAX

1 stop22h 55mVirgin Atlantic

Wed 15/1015:30LAX - LHR

Nonstop10h 30mVirgin Atlantic

Deal found 15/9£349

Tue 7/1006:30LHR - LAX

1 stop13h 20mVirgin Atlantic

Fri 17/1015:30LAX - LHR

Nonstop10h 30mVirgin Atlantic

Deal found 16/9£350

Thu 30/1009:00LHR - LAX

1 stop15h 35mMultiple Airlines

Thu 6/1119:00LAX - LHR

Nonstop10h 30mMultiple Airlines

Deal found 15/9£354

Thu 30/1008:50LHR - LAX

1 stop17h 40mAer Lingus

Fri 7/1120:15LAX - LHR

1 stop12h 35mAer Lingus

Deal found 15/9£355

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 September 2025.

Sat 13/1220:50LHR - LAX

1 stop29h 20mLEVEL

Deal found 16/9£237

Sun 15/309:55LHR - LAX

1 stop16h 15mLEVEL

Deal found 16/9£242

Mon 2/218:50LHR - LAX

1 stop31h 15mLEVEL

Deal found 15/9£246

Wed 18/209:55LHR - LAX

1 stop40h 10mMultiple Airlines

Deal found 16/9£251

Thu 11/1209:55LHR - LAX

1 stop17h 15mMultiple Airlines

Deal found 15/9£253

Thu 15/109:55LHR - LAX

1 stop17h 15mMultiple Airlines

Deal found 16/9£255

Sat 13/1220:50LHR - LAX

1 stop29h 20mMultiple Airlines

Deal found 16/9£258

Wed 11/218:50LHR - LAX

1 stop31h 15mLEVEL

Deal found 14/9£261

Mon 15/1218:50LHR - LAX

1 stop31h 15mLEVEL

Deal found 16/9£262

Mon 15/1209:55LHR - LAX

1 stop40h 10mMultiple Airlines

Deal found 16/9£263

Sat 17/117:30LHR - LAX

2 stops31h 35mMultiple Airlines

Deal found 15/9£265

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

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Sat 8/11

09:00-16:35

1 stop15h 35m

Los Angeles

Wed 12/11

19:00-13:30

Nonstop10h 30m

£359

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Tue 10/3

09:00-17:35

1 stop15h 35m

Los Angeles

Wed 25/3

20:00-13:30

Nonstop10h 30m

£360

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Thu 30/10

09:00-17:35

1 stop15h 35m

Los Angeles

Wed 5/11

00:25-05:55

1 stop21h 30m

£360

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Fri 6/2

09:00-16:35

1 stop15h 35m

Los Angeles

Fri 20/2

08:45-05:55

1 stop13h 10m

£360

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Wed 5/11

09:00-16:35

1 stop15h 35m

Los Angeles

Wed 12/11

19:00-13:30

Nonstop10h 30m

£361

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Sat 8/11

09:00-16:35

1 stop15h 35m

Los Angeles

Fri 14/11

00:25-05:55

1 stop21h 30m

£361

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Fri 7/11

09:00-16:35

1 stop15h 35m

Los Angeles

Sat 8/11

00:25-05:55

1 stop21h 30m

£361

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Sun 2/11

05:30-13:05

1 stop14h 35m

Los Angeles

Sun 9/11

19:00-13:30

Nonstop10h 30m

£364

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Mon 2/3

07:40-15:15

1 stop15h 35m

Los Angeles

Wed 11/3

00:59-07:30

1 stop23h 31m

£364

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Sat 7/3

07:40-15:15

1 stop15h 35m

Los Angeles

Tue 10/3

08:45-06:20

1 stop14h 35m

£365

Flights are sorted by cheapest return flights first.

Deals found on 16/9

Showing 1-10 of 23 results

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

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

Booking 56 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 month to book a flight from London Heathrow Airport to Pasadena?

Currently, September is the cheapest month in which you can book a flight from London Heathrow Airport to Pasadena (average of £573). Flying from London Heathrow Airport to Pasadena in July is currently the most expensive (average of £811). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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.

What is the cheapest day to fly from London Heathrow Airport to Pasadena?

Travellers seeking maximum savings on their London Heathrow Airport to Pasadena flight should consider departing on Friday evenings when fares are most often at their lowest. Saturday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

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 Friday, which is when the least amount of flights are scheduled (47 on average).

Reviews of airlines servicing Pasadena

Read through reviews of airlines operating flights from London Heathrow Airport to Pasadena, such as KLM, Finnair, andVirgin Atlantic. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

KLM

7.8

Good

1,386 reviews

Check prices

Reviews

1 / 20

4.0

Okay

Mark,Sept 2025

AMS - BHX

Crew and snacks were good, boarding wasn't great as busses were used rather than boarding tunnels. Also endured a one hour delay.

KLM

7.8

Good

1,386 reviews

KLM

7.8

Good

1,386 reviews

Check prices

Reviews

1 / 20

4.0

Okay

Mark,Sept 2025

AMS - BHX

Crew and snacks were good, boarding wasn't great as busses were used rather than boarding tunnels. Also endured a one hour delay.

Finnair

7.6

Good

1,324 reviews

KLM

7.8

Good

1,386 reviews

Check prices

Reviews

1 / 20

4.0

Okay

Mark,Sept 2025

AMS - BHX

Crew and snacks were good, boarding wasn't great as busses were used rather than boarding tunnels. Also endured a one hour delay.

Virgin Atlantic

7.4

Good

664 reviews

KLM

7.8

Good

1,386 reviews

Check prices

Reviews

1 / 20

4.0

Okay

Mark,Sept 2025

AMS - BHX

Crew and snacks were good, boarding wasn't great as busses were used rather than boarding tunnels. Also endured a one hour delay.

Lufthansa

6.8

Okay

7,407 reviews

KLM

7.8

Good

1,386 reviews

Check prices

Reviews

1 / 20

4.0

Okay

Mark,Sept 2025

AMS - BHX

Crew and snacks were good, boarding wasn't great as busses were used rather than boarding tunnels. Also endured a one hour delay.

British Airways

6.7

Okay

7,363 reviews

KLM

7.8

Good

1,386 reviews

Check prices

Reviews

1 / 20

4.0

Okay

Mark,Sept 2025

AMS - BHX

Crew and snacks were good, boarding wasn't great as busses were used rather than boarding tunnels. Also endured a one hour delay.

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 35m. United Airlines provides one of the quickest options available for as low as £359. London Heathrow Airport and Pasadena are separated by a distance of 5439 mi.
What are the cheapest airlines to fly from London Heathrow Airport to Pasadena one-way?
£237 is the cheapest one-way deal found within the past few days, from LEVEL. You may also be able to find cheap deals on Aer Lingus and American Airlines, with prices starting from £293 and £310, 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: SriLankan Airlines (89%), Aeromexico (86%), KLM( 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 £2,664, our data shows the cheapest flight currently is £355. When looking at the most popular route, (London Heathrow - Los Angeles), you can expect to pay £326 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.
What is the cheapest month to book a flight from London Heathrow Airport to Pasadena?
Currently, September is the cheapest month in which you can book a flight from London Heathrow Airport to Pasadena (average of £573). Flying from London Heathrow Airport to Pasadena in July is currently the most expensive (average of £811). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

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Top 10 airlines flying from Heathrow to Pasadena

Airline	Cheapest	Average	Flexibility	On-time
Finnair	Cheapest£275	Average£463	FlexibilityNo cancel fee	On-time76%	Search Finnair flights
SWISS	Cheapest£287	Average£383	FlexibilityNo cancel fee	On-time79%	Search SWISS flights
Norse Atlantic UK	Cheapest£305	Average£572	FlexibilityNo cancel fee	On-timeN/A	Search Norse Atlantic UK flights
Aer Lingus	Cheapest£329	Average£551	FlexibilityNo cancel fee	On-timeN/A	Search Aer Lingus flights
Delta	Cheapest£331	Average£541	FlexibilityNo cancel fee	On-timeN/A	Search Delta flights
Scandinavian Airlines	Cheapest£341	Average£479	FlexibilityNo cancel fee	On-time77%	Search Scandinavian Airlines flights
Air France	Cheapest£350	Average£457	FlexibilityNo cancel fee	On-time77%	Search Air France flights
Brussels Airlines	Cheapest£352	Average£464	FlexibilityNo cancel fee	On-timeN/A	Search Brussels Airlines flights
Austrian Airlines	Cheapest£352	Average£466	FlexibilityNo cancel fee	On-time78%	Search Austrian Airlines flights
United Airlines	Cheapest£355	Average£544	FlexibilityNo cancel fee	On-time69%	Search United Airlines flights

Fly with Cheapflights

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 £237

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 13/12. Fares are subject to change and may not be available on all flights or dates of travel.

Cheapflights Tip: The best prices from London Heathrow to Pasadena are usually found in September or March, booked 56 days in advance, depart on a Wednesday or Tuesday and return on a Monday

Cheap 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 September 2025.

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find 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 September 2025.

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 September 2025.

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 12 September 2025.

What is the cheapest month to book a 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 September 2025.

What is the cheapest day to fly from London Heathrow Airport to Pasadena?

Use this chart to determine the cheapest time to fly return from Heathrow to Pasadena. Price data was last updated on 16 December 2024.

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 September 2025.

Reviews of airlines servicing Pasadena

Read through reviews of airlines operating flights from London Heathrow Airport to Pasadena, such as KLM, Finnair, andVirgin Atlantic. 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?

What is the cheapest month to book a flight from London Heathrow Airport to Pasadena?

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Alternative routes for Heathrow to Pasadena

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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 September 2025.