Cheap flights from London Heathrow Airport to Pasadena from £360
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 23/1. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — LAX
20 Jan — 27 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 47 days in advance, depart on a Wednesday or Thursday 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 21 December 2025.
Fri 26/1206:00LHR - LAX
1 stop18h 35mMultiple Airlines
Mon 5/108:30LAX - LHR
1 stop28h 05mMultiple Airlines
Deal found 21/12£442
Sat 27/1215:20LHR - LAX
Nonstop11h 25mAustrian Airlines
Wed 7/119:00LAX - LHR
Nonstop10h 30mAustrian Airlines
Deal found 19/12£451
Fri 26/1206:00LHR - LAX
1 stop18h 35mMultiple Airlines
Thu 1/108:40LAX - LHR
1 stop14h 00mMultiple Airlines
Deal found 21/12£463
Thu 25/1206:00LHR - LAX
1 stop16h 40mTAP AIR PORTUGAL
Tue 13/116:45LAX - LHR
1 stop16h 45mTAP AIR PORTUGAL
Deal found 20/12£465
Fri 26/1208:20LHR - LAX
1 stop23h 39mAmerican Airlines
Wed 31/1210:32LAX - LHR
1 stop13h 43mAmerican Airlines
Deal found 19/12£469
Sat 27/1210:45LHR - LAX
1 stop13h 50mKLM
Sun 11/113:45LAX - LHR
1 stop13h 00mKLM
Deal found 19/12£470
Fri 26/1215:20LHR - LAX
Nonstop11h 25mAustrian Airlines
Thu 1/108:40LAX - LHR
1 stop14h 00mAustrian Airlines
Deal found 21/12£471
Fri 26/1215:20LHR - LAX
Nonstop11h 25mMultiple Airlines
Wed 31/1208:40LAX - LHR
1 stop14h 00mMultiple Airlines
Deal found 19/12£475
Wed 24/1218:30LHR - LAX
1 stop28h 10mTAP AIR PORTUGAL
Thu 26/218:55LAX - LHR
1 stop18h 40mTAP AIR PORTUGAL
Deal found 19/12£477
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 21 December 2025.
Wed 22/413:10LHR - LAX
1 stop14h 51mBritish Airways
Tue 28/409:45LAX - LHR
1 stop13h 05mBritish Airways
Deal found 20/12£445
Fri 3/414:30LHR - LAX
Nonstop11h 15mMultiple Airlines
Mon 20/423:15LAX - LHR
Nonstop10h 20mMultiple Airlines
Deal found 21/12£453
Fri 3/415:15LHR - LAX
1 stop16h 38mDelta
Thu 16/413:57LAX - LHR
1 stop14h 18mDelta
Deal found 21/12£454
Mon 19/118:40LHR - LAX
1 stop29h 55mSWISS
Mon 26/111:40LAX - LHR
2 stops20h 40mSWISS
Deal found 20/12£467
Mon 19/107:05LHR - LAX
2 stops41h 55mScandinavian Airlines
Sun 25/119:30LAX - LHR
1 stop14h 10mScandinavian Airlines
Deal found 19/12£474
Fri 3/409:40LHR - LAX
1 stop16h 02mDelta
Wed 22/415:50LAX - LHR
Nonstop10h 25mDelta
Deal found 21/12£454
Mon 12/111:50LHR - LAX
Nonstop11h 30mBritish Airways
Sat 17/123:50LAX - LHR
1 stop14h 20mBritish Airways
Deal found 19/12£471
Mon 19/107:05LHR - LAX
2 stops41h 55mScandinavian Airlines
Tue 27/119:30LAX - LHR
1 stop14h 10mScandinavian Airlines
Deal found 19/12£474
Sat 28/310:45LHR - LAX
1 stop30h 59mDelta
Mon 13/419:24LAX - LHR
1 stop30h 26mDelta
Deal found 21/12£471
Sat 21/206:40LHR - LAX
2 stops18h 20mScandinavian Airlines
Sun 1/319:30LAX - LHR
2 stops18h 05mScandinavian Airlines
Deal found 19/12£498
Fri 3/415:10LHR - LAX
Nonstop11h 15mBritish Airways
Fri 17/420:55LAX - LHR
Nonstop10h 30mBritish Airways
Deal found 21/12£499
Fri 3/410:55LHR - LAX
1 stop17h 08mDelta
Fri 17/409:25LAX - LHR
1 stop13h 20mDelta
Deal found 21/12£487
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 21 December 2025.
Wed 4/215:10LHR - LAX
Nonstop11h 20mBritish Airways
Sat 30/515:45LAX - LHR
Nonstop10h 30mBritish Airways
Deal found 20/12£442
Sun 1/210:05LHR - LAX
Nonstop11h 25mBritish Airways
Sat 30/520:55LAX - LHR
Nonstop10h 30mBritish Airways
Deal found 20/12£443
Mon 2/215:10LHR - LAX
Nonstop11h 20mBritish Airways
Thu 28/517:05LAX - LHR
Nonstop10h 30mBritish Airways
Deal found 20/12£444
Fri 3/415:10LHR - LAX
Nonstop11h 15mBritish Airways
Sun 19/417:05LAX - LHR
Nonstop10h 30mBritish Airways
Deal found 21/12£450
Fri 3/414:30LHR - LAX
Nonstop11h 15mMultiple Airlines
Mon 20/423:15LAX - LHR
Nonstop10h 20mMultiple Airlines
Deal found 21/12£453
Fri 6/215:05LHR - LAX
Nonstop11h 20mBritish Airways
Thu 28/517:05LAX - LHR
Nonstop10h 30mBritish Airways
Deal found 20/12£454
Mon 2/215:10LHR - LAX
Nonstop11h 20mBritish Airways
Sat 30/520:55LAX - LHR
Nonstop10h 30mBritish Airways
Deal found 20/12£456
Mon 13/415:10LHR - LAX
Nonstop11h 15mFinnair
Sat 18/414:05LAX - LHR
Nonstop10h 30mFinnair
Deal found 20/12£458
Mon 30/311:40LHR - LAX
Nonstop11h 15mBritish Airways
Thu 9/420:55LAX - LHR
Nonstop10h 30mBritish Airways
Deal found 19/12£472
Tue 3/215:10LHR - LAX
Nonstop11h 20mBritish Airways
Sat 30/520:55LAX - LHR
Nonstop10h 30mBritish Airways
Deal found 20/12£479
Wed 1/415:10LHR - LAX
Nonstop11h 15mBritish Airways
Tue 7/415:45LAX - LHR
Nonstop10h 30mBritish Airways
Deal found 20/12£484
Last-minute flights from Heathrow to Pasadena
Discover last-minute flight deals from Heathrow to Pasadena. Data last updated 21 December 2025 and is based on user searches.
Fri 26/1206:00LHR - LAX
1 stop18h 35mMultiple Airlines
Mon 5/108:30LAX - LHR
1 stop28h 05mMultiple Airlines
Deal found 21/12£442
Sat 27/1215:20LHR - LAX
Nonstop11h 25mLufthansa
Fri 9/119:00LAX - LHR
Nonstop10h 30mLufthansa
Deal found 19/12£451
Wed 7/117:00LHR - LAX
1 stop24h 30mBritish Airways
Fri 16/110:50LAX - LHR
2 stops20h 05mBritish Airways
Deal found 20/12£446
Mon 12/118:40LHR - LAX
1 stop29h 55mSWISS
Mon 26/111:40LAX - LHR
2 stops20h 40mSWISS
Deal found 21/12£448
Wed 14/110:20LHR - LAX
1 stop14h 40mScandinavian Airlines
Sat 17/119:30LAX - LHR
2 stops18h 05mScandinavian Airlines
Deal found 20/12£455
Wed 21/119:50LHR - LAX
2 stops29h 10mScandinavian Airlines
Sat 24/119:30LAX - LHR
1 stop18h 10mScandinavian Airlines
Deal found 20/12£449
Wed 21/121:05LHR - LAX
2 stops27h 55mScandinavian Airlines
Thu 29/119:30LAX - LHR
2 stops17h 50mScandinavian Airlines
Deal found 20/12£457
Fri 23/107:05LHR - LAX
2 stops17h 55mScandinavian Airlines
Mon 26/119:30LAX - LHR
2 stops18h 05mScandinavian Airlines
Deal found 19/12£451
Mon 26/118:40LHR - LAX
1 stop30h 20mScandinavian Airlines
Thu 29/119:30LAX - LHR
1 stop14h 10mScandinavian Airlines
Deal found 19/12£457
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 21 December 2025.
Fri 23/114:50LHR - LAX
3 stops28h 10mWestJet
Deal found 20/12£360
Mon 6/412:00LHR - LAX
1 stop14h 25mAer Lingus
Deal found 21/12£361
Fri 16/114:50LHR - LAX
3 stops28h 10mWestJet
Deal found 18/12£362
Tue 13/120:50LHR - LAX
3 stops34h 24mMultiple Airlines
Deal found 21/12£362
Sun 1/206:50LHR - LAX
2 stops23h 10mAir Canada
Deal found 19/12£363
Thu 5/312:30LHR - LAX
Nonstop11h 20mBritish Airways
Deal found 19/12£365
Mon 19/120:50LHR - LAX
3 stops33h 13mMultiple Airlines
Deal found 20/12£365
Mon 12/118:10LHR - LAX
1 stop30h 55mFinnair
Deal found 20/12£366
Thu 19/315:20LHR - LAX
Nonstop11h 25mLufthansa
Deal found 21/12£367
Thu 19/220:50LHR - LAX
3 stops31h 36mMultiple Airlines
Deal found 21/12£368
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 21 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 21 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
Wed 22/4
13:10-20:01
1 stop14h 51m
Los Angeles
Tue 28/4
09:45-06:50
1 stop13h 05m
£445
LondonLos Angeles
LHR - LAX
LHRLAX
London Heathrow
Fri 3/4
14:30-17:45
Nonstop11h 15m
Los Angeles
Mon 20/4
23:15-17:35
Nonstop10h 20m
£453
LondonLos Angeles
LHR - LAX
LHRLAX
London Heathrow
Fri 3/4
15:15-23:53
1 stop16h 38m
Los Angeles
Thu 16/4
13:57-12:15
1 stop14h 18m
£454
LondonLos Angeles
LHR - LAX
LHRLAX
London Heathrow
Fri 3/4
09:40-17:42
1 stop16h 02m
Los Angeles
Wed 22/4
15:50-10:15
Nonstop10h 25m
£454
LondonLos Angeles
LHR - LAX
LHRLAX
London Heathrow
Mon 19/1
18:40-16:35
1 stop29h 55m
Los Angeles
Mon 26/1
11:40-16:20
2 stops20h 40m
£467
LondonLos Angeles
LHR - LAX
LHRLAX
London Heathrow
Mon 12/1
11:50-15:20
Nonstop11h 30m
Los Angeles
Sat 17/1
23:50-22:10
1 stop14h 20m
£471
LondonLos Angeles
LHR - LAX
LHRLAX
London Heathrow
Sat 28/3
10:45-10:44
1 stop30h 59m
Los Angeles
Mon 13/4
19:24-09:50
1 stop30h 26m
£471
LondonLos Angeles
LHR - LAX
LHRLAX
London Heathrow
Mon 19/1
07:05-17:00
2 stops41h 55m
Los Angeles
Sun 25/1
19:30-17:40
1 stop14h 10m
£474
LondonLos Angeles
LHR - LAX
LHRLAX
London Heathrow
Mon 19/1
07:05-17:00
2 stops41h 55m
Los Angeles
Tue 27/1
19:30-17:40
1 stop14h 10m
£474
LondonLos Angeles
LHR - LAX
LHRLAX
London Heathrow
Fri 3/4
10:55-20:03
1 stop17h 08m
Los Angeles
Fri 17/4
09:25-06:45
1 stop13h 20m
£487
Flights are sorted by cheapest return flights first.
Deals found on 20/12
Showing 1-10 of 23 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 12 December 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 £339). Flying from London Heathrow Airport to Pasadena in July is currently the most expensive (average of £403). 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 21 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 21 December 2025.
The most flights from LHR to P4S are scheduled on a Saturday (52 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (46 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 21 December 2025.
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 14h 51m. British Airways provides one of the quickest options available for as low as £445. 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?
£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 £245 and £251, 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 (94%), Air Canada (92%), Austrian 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 £2,708, our data shows the cheapest flight currently is £353. When looking at the most popular route, (London Heathrow - Los Angeles), you can expect to pay £300 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 £339). Flying from London Heathrow Airport to Pasadena in July is currently the most expensive (average of £403). 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 21 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 21 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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