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Cheap flights from London Heathrow Airport to Pasadena from £282

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 18/5. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — LAX
31 Mar — 7 Apr1
1 adult

Cheapflights Tip: The best prices from London Heathrow to Pasadena are usually found in February or March, booked 12 days in advance, depart on a Wednesday or Tuesday and return on a Tuesday

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 26 March 2025.

Round-trip from

£387

One-way from

£282

Popular in

August

Cheapest in

February

Average price

£461
KLM
  • KLM
  • 23/4-30/4
  • Nonstop
  • 21h 40m total
  • London to Pasadena
Search Deals
18/5
  • 18/5
  • 2 total stops
  • 46h 22m total
  • London to Pasadena
Search Deals
Highest demand for flights based on searches. 13% potential increase in price (£64 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£12 potential savings vs. average return price).
Search Deals
Average for round-trip flights in March 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 26 March 2025.

Wed 23/416:25LHR - LAX
Nonstop11h 10mKLM
Wed 30/420:05LAX - LHR
Nonstop10h 30mKLM
Deal found 25/3£387
Mon 21/408:15LHR - LAX
1 stop18h 10mBritish Airways
Mon 28/413:20LAX - LHR
Nonstop10h 40mBritish Airways
Deal found 25/3£388
Fri 9/519:30LHR - LAX
1 stop25h 35mAustrian Airlines
Fri 16/516:35LAX - LHR
Nonstop10h 35mAustrian Airlines
Deal found 25/3£389
Wed 23/408:40LHR - LAX
1 stop15h 50mMultiple Airlines
Wed 7/513:15LAX - LHR
1 stop13h 25mMultiple Airlines
Deal found 25/3£390
Fri 9/508:40LHR - LAX
2 stops19h 10mAir Canada
Mon 12/512:20LAX - LHR
1 stop17h 00mAir Canada
Deal found 24/3£391
Thu 1/507:25LHR - LAX
1 stop15h 50mUnited Airlines
Fri 16/522:20LAX - LHR
1 stop24h 10mUnited Airlines
Deal found 25/3£393
Fri 2/506:30LHR - LAX
1 stop14h 30mLufthansa
Fri 16/516:35LAX - LHR
Nonstop10h 35mLufthansa
Deal found 24/3£394
Sun 4/506:30LHR - LAX
1 stop16h 20mVirgin Atlantic
Mon 19/522:50LAX - LHR
Nonstop10h 25mVirgin Atlantic
Deal found 24/3£397
Tue 23/910:20LHR - LAX
1 stop14h 00mScandinavian Airlines
Tue 14/1019:30LAX - LHR
1 stop14h 10mScandinavian Airlines
Deal found 25/3£400
Mon 12/510:20LHR - LAX
1 stop14h 45mAmerican Airlines
Mon 19/520:05LAX - LHR
Nonstop10h 30mAmerican Airlines
Deal found 25/3£404
Sun 4/513:35LHR - LAX
Nonstop11h 30mDelta
Mon 19/522:55LAX - LHR
1 stop13h 05mDelta
Deal found 24/3£411
Mon 21/410:30LHR - LAX
1 stop15h 26mFinnair
Wed 30/413:20LAX - LHR
1 stop13h 10mFinnair
Deal found 24/3£434

Cheapflights Fare Finder

Customise your flight search to find flights from Heathrow to Pasadena that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 26 March 2025.
Use the filters below to find and compare flights from London Heathrow Airport to Pasadena that are best for you.

Fly from

Heathrow

Fly to

Pasadena

Route

Depart

Return

Price

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Wed 23/4

16:25-19:35

Nonstop11h 10m

Los Angeles

Wed 30/4

20:05-14:35

Nonstop10h 30m

£387

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Mon 21/4

08:15-18:25

1 stop18h 10m

Los Angeles

Mon 28/4

13:20-08:00

Nonstop10h 40m

£388

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Fri 9/5

19:30-13:05

1 stop25h 35m

Los Angeles

Fri 16/5

16:35-11:10

Nonstop10h 35m

£389

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Wed 23/4

08:40-16:30

1 stop15h 50m

Los Angeles

Wed 7/5

13:15-10:40

1 stop13h 25m

£390

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Fri 9/5

08:40-19:50

2 stops19h 10m

Los Angeles

Fri 16/5

08:05-06:30

1 stop14h 25m

£391

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Thu 1/5

07:25-15:15

1 stop15h 50m

Los Angeles

Fri 16/5

22:20-06:30

1 stop24h 10m

£393

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Sun 4/5

06:30-14:50

1 stop16h 20m

Los Angeles

Mon 19/5

22:50-17:15

Nonstop10h 25m

£397

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Sun 4/5

06:30-14:50

1 stop16h 20m

Los Angeles

Mon 19/5

22:50-17:15

Nonstop10h 25m

£398

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Mon 21/4

13:05-16:15

Nonstop11h 10m

Los Angeles

Mon 28/4

16:35-11:10

Nonstop10h 35m

£400

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Mon 12/5

10:20-17:05

1 stop14h 45m

Los Angeles

Mon 19/5

20:05-14:35

Nonstop10h 30m

£404

Flights are sorted by cheapest return flights first.

Deals found on 25/3

Showing 1-10 of 21 results
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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?

Use this chart to determine the optimal time to book a return flight from Heathrow to Pasadena. Price data was last updated on 21 March 2025.

Booking 12 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, January is the cheapest month in which you can book a flight from London Heathrow Airport to Pasadena (average of £575). 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?

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 26 March 2025.

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?

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

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.

Rainfall in Pasadena by month

Plan your trip to Pasadena by taking into account the average rainfall totals by month.

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.

Temperature in Pasadena by month

Plan your trip to Pasadena by taking into account the average temperature totals by month.

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).

Reviews of airlines servicing Pasadena

Get insights into the airlines that provide service to Pasadena. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Pasadena. Reviews last updated 26 March 2025.
See what other customers who have flown with Delta, KLM and Finnair from London to Pasadena have to say. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very Good
7,891 reviews
Check prices

Food

7.3

Boarding

8.2

Entertainment

7.9

Crew

8.5

Overall

8.0

Comfort

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Delta
8.0
Very Good
7,891 reviews
Delta
8.0
Very Good
7,891 reviews
Check prices

Food

7.3

Boarding

8.2

Entertainment

7.9

Crew

8.5

Overall

8.0

Comfort

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
KLM
7.8
Good
1,319 reviews
Delta
8.0
Very Good
7,891 reviews
Check prices

Food

7.3

Boarding

8.2

Entertainment

7.9

Crew

8.5

Overall

8.0

Comfort

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Finnair
7.6
Good
1,266 reviews
Delta
8.0
Very Good
7,891 reviews
Check prices

Food

7.3

Boarding

8.2

Entertainment

7.9

Crew

8.5

Overall

8.0

Comfort

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Austrian Airlines
7.5
Good
769 reviews
Delta
8.0
Very Good
7,891 reviews
Check prices

Food

7.3

Boarding

8.2

Entertainment

7.9

Crew

8.5

Overall

8.0

Comfort

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
SWISS
7.5
Good
1,569 reviews
Delta
8.0
Very Good
7,891 reviews
Check prices

Food

7.3

Boarding

8.2

Entertainment

7.9

Crew

8.5

Overall

8.0

Comfort

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

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.

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

    £288 is the cheapest one-way deal found within the past few days, from TAP AIR PORTUGAL. You may also be able to find cheap deals on Vueling and Aer Lingus, with prices starting from £292 and £376, 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 (96%), Fiji Airways (92%), Malaysia Airlines( 92%).

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

    While on average a flight from London Heathrow Airport to Pasadena is generally £1,995, our data shows the cheapest flight currently is £382. When looking at the most popular route, (London Heathrow - Los Angeles), you can expect to pay £73 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, January is the cheapest month in which you can book a flight from London Heathrow Airport to Pasadena (average of £575). 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

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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.
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Top 10 airlines flying from Heathrow to Pasadena

Discover the top 10 airlines that operate flights from Heathrow to Pasadena. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 26 March 2025.
AirlineCheapestAverageFlexibilityOn-time
Norse Atlantic UKCheapest£303Average£541FlexibilityNo cancel feeOn-timeN/A
Search Norse Atlantic UK flights
DeltaCheapest£340Average£570FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
Austrian AirlinesCheapest£369Average£522FlexibilityNo cancel feeOn-time78%
Search Austrian Airlines flights
Scandinavian AirlinesCheapest£372Average£497FlexibilityNo cancel feeOn-time77%
Search Scandinavian Airlines flights
SWISSCheapest£374Average£613FlexibilityNo cancel feeOn-time79%
Search SWISS flights
Air FranceCheapest£376Average£483FlexibilityNo cancel feeOn-time77%
Search Air France flights
Air CanadaCheapest£381Average£497FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
KLMCheapest£382Average£549FlexibilityNo cancel feeOn-time75%
Search KLM flights
Brussels AirlinesCheapest£385Average£574FlexibilityNo cancel feeOn-timeN/A
Search Brussels Airlines flights
United AirlinesCheapest£392Average£590FlexibilityNo cancel feeOn-time69%
Search United Airlines flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

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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