Cheap flights from London Heathrow Airport to Pasadena from £348
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 16/2. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — LAX
8 Feb — 15 Feb1
Return
1 adult
Economy
Return
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from London Heathrow to Pasadena are usually found in September or February, booked 7 days in advance, depart on a Wednesday or Thursday 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 9 January 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 9 January 2026.
Sat 28/216:40LHR - LAX
1 stop30h 35mUnited Airlines
Fri 13/320:00LAX - LHR
Nonstop10h 30mUnited Airlines
Deal found 8/1£364
Wed 24/610:20LHR - LAX
1 stop14h 50mIberia
Wed 8/720:55LAX - LHR
Nonstop10h 30mIberia
Deal found 8/1£365
Thu 15/111:50LHR - LAX
Nonstop11h 30mBritish Airways
Wed 28/117:45LAX - LHR
Nonstop10h 35mBritish Airways
Deal found 8/1£366
Thu 15/115:20LHR - LAX
Nonstop11h 25mUnited Airlines
Wed 28/113:04LAX - LHR
1 stop12h 36mUnited Airlines
Deal found 8/1£367
Sat 31/114:30LHR - LAX
1 stop14h 38mUnited Airlines
Tue 17/213:09LAX - LHR
1 stop12h 31mUnited Airlines
Deal found 7/1£367
Tue 20/118:00LHR - LAX
2 stops32h 47mAir Canada
Thu 29/111:30LAX - LHR
1 stop13h 00mAir Canada
Deal found 7/1£368
Fri 12/606:30LHR - LAX
1 stop14h 40mUnited Airlines
Mon 22/610:55LAX - LHR
1 stop19h 15mUnited Airlines
Deal found 7/1£369
Thu 19/313:25LHR - LAX
1 stop15h 35mUnited Airlines
Sat 28/313:15LAX - LHR
1 stop16h 55mUnited Airlines
Deal found 7/1£370
Thu 19/315:20LHR - LAX
Nonstop11h 25mUnited Airlines
Fri 27/322:35LAX - LHR
1 stop31h 35mUnited Airlines
Deal found 7/1£372
Thu 5/209:30LHR - LAX
2 stops19h 58mMultiple Airlines
Wed 18/209:01LAX - LHR
2 stops15h 29mMultiple Airlines
Deal found 6/1£373
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 9 January 2026.
Fri 6/206:35LHR - LAX
1 stop16h 40mMultiple Airlines
Fri 13/219:03LAX - LHR
2 stops28h 07mMultiple Airlines
Deal found 8/1£365
Thu 5/215:20LHR - LAX
Nonstop11h 25mUnited Airlines
Mon 9/219:00LAX - LHR
Nonstop10h 30mUnited Airlines
Deal found 8/1£366
Fri 20/211:50LHR - LAX
Nonstop11h 30mBritish Airways
Fri 6/321:00LAX - LHR
Nonstop10h 30mBritish Airways
Deal found 8/1£366
Sun 22/215:20LHR - LAX
Nonstop11h 25mAustrian Airlines
Sun 1/319:00LAX - LHR
Nonstop10h 30mAustrian Airlines
Deal found 8/1£366
Sat 7/215:20LHR - LAX
Nonstop11h 25mLufthansa
Sat 14/219:00LAX - LHR
Nonstop10h 30mLufthansa
Deal found 8/1£366
Mon 26/115:20LHR - LAX
Nonstop11h 25mMultiple Airlines
Wed 11/219:00LAX - LHR
Nonstop10h 30mMultiple Airlines
Deal found 8/1£366
Fri 13/215:20LHR - LAX
Nonstop11h 25mUnited Airlines
Mon 16/219:00LAX - LHR
Nonstop10h 30mUnited Airlines
Deal found 8/1£366
Fri 13/215:20LHR - LAX
Nonstop11h 25mLufthansa
Mon 23/219:00LAX - LHR
Nonstop10h 30mLufthansa
Deal found 7/1£367
Sun 1/215:20LHR - LAX
Nonstop11h 25mUnited Airlines
Wed 11/219:00LAX - LHR
Nonstop10h 30mUnited Airlines
Deal found 8/1£366
Sat 14/215:20LHR - LAX
Nonstop11h 25mUnited Airlines
Fri 20/208:20LAX - LHR
1 stop17h 55mUnited Airlines
Deal found 8/1£366
Mon 16/215:20LHR - LAX
Nonstop11h 25mUnited Airlines
Wed 25/219:00LAX - LHR
Nonstop10h 30mUnited Airlines
Deal found 7/1£367
Sat 31/114:30LHR - LAX
1 stop14h 38mUnited Airlines
Sat 7/221:30LAX - LHR
2 stops15h 05mUnited Airlines
Deal found 7/1£367
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 9 January 2026.
Sat 24/111:50LHR - LAX
Nonstop11h 30mAmerican Airlines
Mon 2/219:25LAX - LHR
Nonstop10h 35mAmerican Airlines
Deal found 8/1£365
Mon 2/215:20LHR - LAX
Nonstop11h 25mAustrian Airlines
Fri 13/219:00LAX - LHR
Nonstop10h 30mAustrian Airlines
Deal found 8/1£366
Thu 22/116:55LHR - LAX
Nonstop11h 30mBritish Airways
Sat 31/117:30LAX - LHR
Nonstop10h 35mBritish Airways
Deal found 7/1£367
Sat 31/115:20LHR - LAX
Nonstop11h 25mUnited Airlines
Mon 2/219:00LAX - LHR
Nonstop10h 30mUnited Airlines
Deal found 7/1£367
Fri 1/509:55LHR - LAX
Nonstop11h 15mVirgin Atlantic
Fri 15/523:15LAX - LHR
Nonstop10h 20mVirgin Atlantic
Deal found 7/1£368
Sat 21/315:10LHR - LAX
Nonstop11h 20mBritish Airways
Sun 29/320:55LAX - LHR
Nonstop10h 30mBritish Airways
Deal found 7/1£369
Mon 1/609:55LHR - LAX
Nonstop11h 15mVirgin Atlantic
Mon 8/615:50LAX - LHR
Nonstop10h 25mVirgin Atlantic
Deal found 7/1£370
Mon 4/518:15LHR - LAX
Nonstop11h 10mVirgin Atlantic
Mon 18/515:50LAX - LHR
Nonstop10h 25mVirgin Atlantic
Deal found 7/1£370
Fri 20/315:20LHR - LAX
Nonstop11h 25mUnited Airlines
Tue 31/315:30LAX - LHR
Nonstop10h 40mUnited Airlines
Deal found 7/1£371
Thu 25/614:30LHR - LAX
Nonstop11h 15mVirgin Atlantic
Tue 7/723:15LAX - LHR
Nonstop10h 20mVirgin Atlantic
Deal found 8/1£372
Sat 25/409:55LHR - LAX
Nonstop11h 15mVirgin Atlantic
Tue 12/520:35LAX - LHR
Nonstop10h 25mVirgin Atlantic
Deal found 7/1£373
Thu 9/415:10LHR - LAX
Nonstop11h 15mBritish Airways
Thu 16/420:20LAX - LHR
Nonstop10h 45mBritish Airways
Deal found 8/1£373
Last-minute flights from Heathrow to Pasadena
Discover last-minute flight deals from Heathrow to Pasadena. Data last updated 9 January 2026 and is based on user searches.
Mon 12/115:20LHR - LAX
Nonstop11h 25mMultiple Airlines
Wed 4/208:20LAX - LHR
1 stop16h 05mMultiple Airlines
Deal found 7/1£369
Thu 15/111:50LHR - LAX
Nonstop11h 30mBritish Airways
Wed 28/117:45LAX - LHR
Nonstop10h 35mBritish Airways
Deal found 8/1£366
Thu 15/115:20LHR - LAX
Nonstop11h 25mUnited Airlines
Wed 28/113:04LAX - LHR
1 stop12h 36mUnited Airlines
Deal found 8/1£367
Tue 20/118:00LHR - LAX
2 stops32h 47mAir Canada
Thu 29/111:30LAX - LHR
1 stop13h 00mAir Canada
Deal found 7/1£368
Sat 24/111:50LHR - LAX
Nonstop11h 30mAmerican Airlines
Mon 2/219:25LAX - LHR
Nonstop10h 35mAmerican Airlines
Deal found 8/1£365
Sat 31/114:30LHR - LAX
1 stop14h 38mUnited Airlines
Tue 17/219:00LAX - LHR
Nonstop10h 30mUnited Airlines
Deal found 7/1£367
Thu 5/209:30LHR - LAX
2 stops19h 58mMultiple Airlines
Wed 18/209:01LAX - LHR
2 stops15h 29mMultiple Airlines
Deal found 6/1£373
Fri 6/209:30LHR - LAX
2 stops19h 58mMultiple Airlines
Fri 13/208:30LAX - LHR
1 stop14h 40mMultiple Airlines
Deal found 7/1£370
Sat 21/213:45LHR - LAX
1 stop14h 39mUnited Airlines
Thu 26/213:09LAX - LHR
1 stop12h 31mUnited Airlines
Deal found 7/1£372
Sat 28/216:40LHR - LAX
1 stop30h 35mUnited Airlines
Fri 13/320:00LAX - LHR
Nonstop10h 30mUnited Airlines
Deal found 8/1£364
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 9 January 2026.
Mon 16/218:00LHR - LAX
2 stops27h 24mAir Canada
Deal found 7/1£348
Mon 13/407:25LHR - LAX
2 stops19h 54mMultiple Airlines
Deal found 8/1£349
Tue 13/116:20LHR - LAX
1 stop34h 10mAer Lingus
Deal found 8/1£350
Thu 15/115:15LHR - LAX
2 stops53h 18mMultiple Airlines
Deal found 8/1£350
Fri 6/310:45LHR - LAX
2 stops22h 12mBritish Airways
Deal found 8/1£351
Thu 22/107:25LHR - LAX
1 stop18h 24mJetBlue
Deal found 7/1£353
Thu 15/114:25LHR - LAX
2 stops34h 10mSWISS
Deal found 8/1£353
Thu 19/209:00LHR - LAX
1 stop15h 35mSWISS
Deal found 7/1£354
Wed 28/115:15LHR - LAX
2 stops38h 48mMultiple Airlines
Deal found 8/1£355
Wed 21/112:10LHR - LAX
1 stop14h 20mAer Lingus
Deal found 7/1£356
Sat 25/414:10LHR - LAX
3 stops29h 31mWestJet
Deal found 7/1£356
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 9 January 2026.
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
Fri 6/2
06:35-15:15
1 stop16h 40m
Los Angeles
Fri 13/2
19:03-07:10
2 stops28h 07m
£365
LondonLos Angeles
LHR - LAX
LHRLAX
London Heathrow
Thu 5/2
15:20-18:45
Nonstop11h 25m
Los Angeles
Mon 9/2
19:00-13:30
Nonstop10h 30m
£366
LondonLos Angeles
LHR - LAX
LHRLAX
London Heathrow
Fri 20/2
11:50-15:20
Nonstop11h 30m
Los Angeles
Fri 6/3
21:00-15:30
Nonstop10h 30m
£366
LondonLos Angeles
LHR - LAX
LHRLAX
London Heathrow
Sun 22/2
15:20-18:45
Nonstop11h 25m
Los Angeles
Sun 1/3
19:00-13:30
Nonstop10h 30m
£366
LondonLos Angeles
LHR - LAX
LHRLAX
London Heathrow
Sat 7/2
15:20-18:45
Nonstop11h 25m
Los Angeles
Sat 14/2
19:00-13:30
Nonstop10h 30m
£366
LondonLos Angeles
LHR - LAX
LHRLAX
London Heathrow
Mon 26/1
15:20-18:45
Nonstop11h 25m
Los Angeles
Wed 11/2
19:00-13:30
Nonstop10h 30m
£366
LondonLos Angeles
LHR - LAX
LHRLAX
London Heathrow
Fri 13/2
15:20-18:45
Nonstop11h 25m
Los Angeles
Mon 16/2
19:00-13:30
Nonstop10h 30m
£366
LondonLos Angeles
LHR - LAX
LHRLAX
London Heathrow
Sun 1/2
15:20-18:45
Nonstop11h 25m
Los Angeles
Wed 11/2
19:00-13:30
Nonstop10h 30m
£366
LondonLos Angeles
LHR - LAX
LHRLAX
London Heathrow
Sat 14/2
15:20-18:45
Nonstop11h 25m
Los Angeles
Fri 20/2
08:20-10:15
1 stop17h 55m
£366
LondonLos Angeles
LHR - LAX
LHRLAX
London Heathrow
Fri 13/2
15:20-18:45
Nonstop11h 25m
Los Angeles
Mon 23/2
19:00-13:30
Nonstop10h 30m
£367
Flights are sorted by cheapest return flights first.
Deals found on 8/1
Showing 1-10 of 24 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 2 January 2026.
Booking 7 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, February is the cheapest month in which you can book a flight from London Heathrow Airport to Pasadena (average of £328). Flying from London Heathrow Airport to Pasadena in July is currently the most expensive (average of £397). 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 9 January 2026.
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
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 9 January 2026.
The most flights from LHR to P4S are scheduled on a Monday (38 on average). You will have fewer flight options on Friday, which is when the least amount of flights are scheduled (32 on average).
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 9 January 2026.
Read through reviews of airlines operating flights from London Heathrow Airport to Pasadena, such as KLM, Virgin Atlantic, andAir France. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Not literally sitting in the very last row in the middle
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?
A quick flight from London Heathrow Airport to Pasadena can take about 11h 25m. United Airlines provides one of the quickest options available for as low as £366. London Heathrow Airport and Pasadena are separated by a distance of 5439 mi. Generally, flights for this route are direct.
What are the cheapest airlines to fly from London Heathrow Airport to Pasadena one-way?
£164 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 TAP AIR PORTUGAL and Scandinavian Airlines, with prices starting from £246 and £250, 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 (97%), Air Canada (93%), Austrian Airlines( 93%).
What are the cheapest flights from London Heathrow Airport to Pasadena?
While on average a flight from London Heathrow Airport to Pasadena is generally £2,657, our data shows the cheapest flight currently is £342. When looking at the most popular route, (London Heathrow - Los Angeles), you can expect to pay £295 for that flight.
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, February is the cheapest month in which you can book a flight from London Heathrow Airport to Pasadena (average of £328). Flying from London Heathrow Airport to Pasadena in July is currently the most expensive (average of £397). 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.
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 9 January 2026.
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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