Cheap flights from London Heathrow Airport to Pasadena from £366
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 22/1. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — LAX
4 Jan — 11 Jan1
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 Tuesday and return on a Monday
Cheap flight deals from Heathrow to Pasadena
Enter your travel dates to find the best prices.
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 5 December 2025.
Wed 10/1216:55LHR - LAX
Nonstop11h 30mFinnair
Tue 13/119:25LAX - LHR
Nonstop10h 35mFinnair
Deal found 4/12£441
Wed 24/1215:20LHR - LAX
Nonstop11h 25mAustrian Airlines
Fri 9/108:33LAX - LHR
2 stops38h 07mAustrian Airlines
Deal found 3/12£444
Mon 15/1216:55LHR - LAX
Nonstop11h 30mFinnair
Fri 9/113:00LAX - LHR
1 stop12h 40mFinnair
Deal found 2/12£444
Wed 10/1216:55LHR - LAX
Nonstop11h 30mFinnair
Wed 4/319:30LAX - LHR
Nonstop10h 30mFinnair
Deal found 4/12£445
Sun 14/1214:30LHR - LAX
1 stop30h 54mAir Canada
Sat 10/106:30LAX - LHR
1 stop21h 20mAir Canada
Deal found 2/12£446
Thu 11/1215:20LHR - LAX
Nonstop11h 25mAustrian Airlines
Tue 3/219:00LAX - LHR
Nonstop10h 30mAustrian Airlines
Deal found 3/12£447
Sun 14/1216:55LHR - LAX
Nonstop11h 30mFinnair
Sun 11/118:50LAX - LHR
1 stop14h 10mFinnair
Deal found 2/12£448
Mon 15/1216:55LHR - LAX
Nonstop11h 30mFinnair
Thu 15/117:30LAX - LHR
Nonstop10h 35mFinnair
Deal found 2/12£449
Thu 25/1211:50LHR - LAX
Nonstop11h 30mFinnair
Sat 31/117:30LAX - LHR
Nonstop10h 35mFinnair
Deal found 3/12£450
Tue 9/1206:00LHR - LAX
1 stop17h 00mTAP AIR PORTUGAL
Thu 22/116:45LAX - LHR
1 stop21h 55mTAP AIR PORTUGAL
Deal found 4/12£451
Thu 25/1211:50LHR - LAX
Nonstop11h 30mFinnair
Tue 20/117:30LAX - LHR
Nonstop10h 35mFinnair
Deal found 4/12£453
Wed 24/1215:20LHR - LAX
Nonstop11h 25mAustrian Airlines
Thu 29/119:00LAX - LHR
Nonstop10h 30mAustrian Airlines
Deal found 3/12£453
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 5 December 2025.
Fri 16/121:05LHR - LAX
2 stops27h 55mScandinavian Airlines
Mon 19/119:30LAX - LHR
2 stops18h 05mScandinavian Airlines
Deal found 3/12£452
Wed 11/218:40LHR - LAX
1 stop29h 55mSWISS
Wed 4/311:35LAX - LHR
2 stops20h 45mSWISS
Deal found 3/12£463
Tue 14/413:25LHR - LAX
Nonstop11h 15mVirgin Atlantic
Thu 30/419:35LAX - LHR
Nonstop10h 25mVirgin Atlantic
Deal found 3/12£472
Fri 27/313:00LHR - LAX
1 stop17h 52mDelta
Mon 13/409:15LAX - LHR
1 stop15h 35mDelta
Deal found 4/12£474
Tue 28/408:45LHR - LAX
1 stop15h 40mUnited Airlines
Thu 7/515:30LAX - LHR
Nonstop10h 40mUnited Airlines
Deal found 4/12£477
Mon 2/212:30LHR - LAX
Nonstop11h 20mBritish Airways
Mon 16/215:30LAX - LHR
Nonstop10h 30mBritish Airways
Deal found 3/12£492
Sat 21/206:40LHR - LAX
1 stop18h 20mScandinavian Airlines
Sun 1/319:30LAX - LHR
1 stop15h 00mScandinavian Airlines
Deal found 4/12£459
Wed 29/406:30LHR - LAX
1 stop14h 35mUnited Airlines
Tue 5/515:30LAX - LHR
Nonstop10h 40mUnited Airlines
Deal found 4/12£482
Wed 11/214:25LHR - LAX
2 stops34h 10mSWISS
Tue 3/311:35LAX - LHR
2 stops20h 45mSWISS
Deal found 3/12£488
Wed 1/406:30LHR - LAX
1 stop13h 20mDelta
Sun 12/407:55LAX - LHR
1 stop17h 20mDelta
Deal found 3/12£490
Tue 10/215:20LHR - LAX
Nonstop11h 25mUnited Airlines
Thu 5/308:22LAX - LHR
1 stop19h 28mUnited Airlines
Deal found 3/12£490
Sat 14/211:05LHR - LAX
1 stop18h 03mDelta
Fri 20/207:20LAX - LHR
1 stop17h 40mDelta
Deal found 3/12£492
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 5 December 2025.
Fri 6/211:50LHR - LAX
Nonstop11h 30mBritish Airways
Tue 17/215:30LAX - LHR
Nonstop10h 30mBritish Airways
Deal found 2/12£444
Thu 22/116:55LHR - LAX
Nonstop11h 30mFinnair
Thu 5/219:25LAX - LHR
Nonstop10h 35mFinnair
Deal found 3/12£444
Thu 15/116:55LHR - LAX
Nonstop11h 30mFinnair
Fri 23/119:25LAX - LHR
Nonstop10h 35mFinnair
Deal found 4/12£446
Mon 23/216:55LHR - LAX
Nonstop11h 30mFinnair
Wed 4/319:30LAX - LHR
Nonstop10h 30mFinnair
Deal found 3/12£447
Mon 16/216:55LHR - LAX
Nonstop11h 30mFinnair
Thu 26/219:30LAX - LHR
Nonstop10h 30mFinnair
Deal found 2/12£447
Sun 1/316:55LHR - LAX
Nonstop11h 30mFinnair
Thu 26/320:20LAX - LHR
Nonstop10h 40mFinnair
Deal found 3/12£448
Mon 15/1216:55LHR - LAX
Nonstop11h 30mFinnair
Thu 15/117:30LAX - LHR
Nonstop10h 35mFinnair
Deal found 2/12£449
Thu 25/1211:50LHR - LAX
Nonstop11h 30mFinnair
Sat 31/117:30LAX - LHR
Nonstop10h 35mFinnair
Deal found 3/12£450
Thu 16/413:25LHR - LAX
Nonstop11h 15mVirgin Atlantic
Thu 30/422:35LAX - LHR
Nonstop10h 25mVirgin Atlantic
Deal found 3/12£450
Mon 19/115:20LHR - LAX
Nonstop11h 25mAustrian Airlines
Mon 2/219:00LAX - LHR
Nonstop10h 30mAustrian Airlines
Deal found 3/12£452
Tue 7/414:45LHR - LAX
Nonstop11h 20mIberia
Thu 16/413:30LAX - LHR
Nonstop10h 30mIberia
Deal found 3/12£453
Wed 24/1215:20LHR - LAX
Nonstop11h 25mAustrian Airlines
Thu 29/119:00LAX - LHR
Nonstop10h 30mAustrian Airlines
Deal found 3/12£453
Last-minute flights from Heathrow to Pasadena
Discover last-minute flight deals from Heathrow to Pasadena. Data last updated 5 December 2025 and is based on user searches.
Wed 10/1216:55LHR - LAX
Nonstop11h 30mFinnair
Tue 13/119:25LAX - LHR
Nonstop10h 35mFinnair
Deal found 4/12£441
Wed 10/1216:55LHR - LAX
Nonstop11h 30mFinnair
Wed 4/319:30LAX - LHR
Nonstop10h 30mFinnair
Deal found 4/12£445
Thu 11/1212:30LHR - LAX
Nonstop11h 20mMultiple Airlines
Sat 27/1217:40LAX - LHR
Nonstop10h 40mMultiple Airlines
Deal found 2/12£444
Sun 14/1216:55LHR - LAX
Nonstop11h 30mFinnair
Sun 11/118:50LAX - LHR
1 stop14h 10mFinnair
Deal found 2/12£448
Tue 16/1215:20LHR - LAX
Nonstop11h 25mUnited Airlines
Tue 13/108:30LAX - LHR
1 stop14h 40mUnited Airlines
Deal found 2/12£449
Tue 23/1218:40LHR - LAX
1 stop29h 55mMultiple Airlines
Fri 9/108:33LAX - LHR
1 stop13h 22mMultiple Airlines
Deal found 2/12£444
Fri 9/111:10LHR - LAX
1 stop16h 17mMultiple Airlines
Sat 17/119:00LAX - LHR
Nonstop10h 30mMultiple Airlines
Deal found 2/12£447
Thu 15/107:05LHR - LAX
2 stops17h 55mScandinavian Airlines
Thu 22/119:30LAX - LHR
1 stop14h 10mScandinavian Airlines
Deal found 2/12£446
Sat 17/106:40LHR - LAX
2 stops18h 20mScandinavian Airlines
Sat 24/119:30LAX - LHR
2 stops17h 50mScandinavian Airlines
Deal found 3/12£443
Wed 21/106:40LHR - LAX
1 stop18h 20mScandinavian Airlines
Wed 28/119:30LAX - LHR
2 stops18h 05mScandinavian Airlines
Deal found 3/12£447
Fri 23/115:20LHR - LAX
Nonstop11h 25mAustrian Airlines
Tue 3/208:20LAX - LHR
1 stop16h 50mAustrian Airlines
Deal found 3/12£441
Mon 26/115:35LHR - LAX
2 stops33h 25mScandinavian Airlines
Wed 14/1019:10LAX - LHR
1 stop14h 30mScandinavian Airlines
Deal found 3/12£442
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 5 December 2025.
Thu 22/117:20LHR - LAX
Nonstop11h 20mAir France
Deal found 3/12£366
Mon 12/114:50LHR - LAX
3 stops28h 10mWestJet
Deal found 3/12£367
Sat 10/109:05LHR - LAX
2 stops60h 00mAustrian Airlines
Deal found 2/12£368
Thu 15/114:50LHR - LAX
3 stops28h 10mWestJet
Deal found 4/12£369
Thu 15/115:20LHR - LAX
Nonstop11h 25mAustrian Airlines
Deal found 3/12£369
Sun 22/216:55LHR - LAX
Nonstop11h 30mFinnair
Deal found 3/12£370
Thu 15/115:20LHR - LAX
Nonstop11h 25mBrussels Airlines
Deal found 3/12£371
Thu 15/107:30LHR - LAX
2 stops19h 43mUnited Airlines
Deal found 3/12£372
Mon 15/1212:10LHR - LAX
1 stop14h 20mAer Lingus
Deal found 3/12£372
Fri 20/319:40LHR - LAX
3 stops34h 24mMultiple Airlines
Deal found 4/12£373
Mon 12/107:50LHR - LAX
1 stop18h 40mAer Lingus
Deal found 4/12£374
Fri 13/216:55LHR - LAX
Nonstop11h 30mFinnair
Deal found 4/12£375
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 5 December 2025.
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 5 December 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
Fri 16/1
21:05-17:00
2 stops27h 55m
Los Angeles
Mon 19/1
19:30-21:35
2 stops18h 05m
£452
LondonLos Angeles
LHR - LAX
LHRLAX
London Heathrow
Sat 21/2
06:40-17:00
1 stop18h 20m
Los Angeles
Sun 1/3
19:30-18:30
1 stop15h 00m
£459
LondonLos Angeles
LHR - LAX
LHRLAX
London Heathrow
Wed 11/2
18:40-16:35
1 stop29h 55m
Los Angeles
Wed 4/3
11:35-16:20
2 stops20h 45m
£463
LondonLos Angeles
LHR - LAX
LHRLAX
London Heathrow
Tue 14/4
13:25-16:40
Nonstop11h 15m
Los Angeles
Thu 30/4
19:35-14:00
Nonstop10h 25m
£472
LondonLos Angeles
LHR - LAX
LHRLAX
London Heathrow
Fri 27/3
13:00-23:52
1 stop17h 52m
Los Angeles
Mon 13/4
09:15-08:50
1 stop15h 35m
£474
LondonLos Angeles
LHR - LAX
LHRLAX
London Heathrow
Tue 28/4
08:45-16:25
1 stop15h 40m
Los Angeles
Thu 7/5
15:30-10:10
Nonstop10h 40m
£477
LondonLos Angeles
LHR - LAX
LHRLAX
London Heathrow
Wed 29/4
06:30-13:05
1 stop14h 35m
Los Angeles
Tue 5/5
15:30-10:10
Nonstop10h 40m
£482
LondonLos Angeles
LHR - LAX
LHRLAX
London Heathrow
Wed 11/2
14:25-16:35
2 stops34h 10m
Los Angeles
Tue 3/3
11:35-16:20
2 stops20h 45m
£488
LondonLos Angeles
LHR - LAX
LHRLAX
London Heathrow
Wed 1/4
06:30-11:50
1 stop13h 20m
Los Angeles
Sun 12/4
07:55-09:15
1 stop17h 20m
£490
LondonLos Angeles
LHR - LAX
LHRLAX
London Heathrow
Tue 10/2
15:20-18:45
Nonstop11h 25m
Los Angeles
Thu 5/3
08:22-11:50
1 stop19h 28m
£490
Flights are sorted by cheapest return flights first.
Deals found on 4/12
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 28 November 2025.
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, December is the cheapest month in which you can book a flight from London Heathrow Airport to Pasadena (average of £348). Flying from London Heathrow Airport to Pasadena in July is currently the most expensive (average of £405). 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 5 December 2025.
One of the essential ways to save on airfare from London Heathrow Airport to Pasadena is to remain as flexible as possible. Flights that are in the evening tend to be the most expensive. A flight in the morning could potentially save you up to 26% on airfare.
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 Wednesday afternoons 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
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 5 December 2025.
The most flights from LHR to P4S are scheduled on a Monday (44 on average). You will have fewer flight options on Friday, which is when the least amount of flights are scheduled (38 on average).
How much does it cost for a return flight from London Heathrow Airport to Pasadena?
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 5 December 2025.
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.
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 15m. Scandinavian Airlines provides one of the quickest options available for as low as £472. 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?
£165 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 £252, 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%), Air Canada (85%), Austrian Airlines( 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 £2,682, our data shows the cheapest flight currently is £368. When looking at the most popular route, (London Heathrow - Los Angeles), you can expect to pay £320 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, December is the cheapest month in which you can book a flight from London Heathrow Airport to Pasadena (average of £348). Flying from London Heathrow Airport to Pasadena in July is currently the most expensive (average of £405). 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.
Browse through other flights departing from Heathrow. Flights are based on user searches made on Cheapflights and were last updated on 5 December 2025.
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 5 December 2025.
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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