Cheap flights from London Heathrow Airport to Pasadena from £342
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 5/10. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — LAX
28 Sep — 5 Oct1
Return
1 adult
Economy
Return
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from London Heathrow to Pasadena are usually found in February or September, booked 64 days in advance, depart on a Thursday or Friday and return on a Wednesday
Cheap flight deals from Heathrow to Pasadena
Enter your travel dates to find the best prices.
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Best
Direct
Last-minute
One-way
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 29 August 2026.
Thu 22/1017:00 -
1 stop14h 58m
Fri 8/111:55 -
1 stop16h 25m
Deal found 27/8£436
Sun 20/1206:15 -
1 stop18h 25m
Tue 12/110:57 -
1 stop17h 03m
Deal found 29/8£437
Tue 15/1211:30 -
1 stop15h 04m
Thu 31/1208:00 -
1 stop15h 05m
Deal found 27/8£438
Sun 18/1017:00 -
1 stop23h 54m
Mon 1/311:55 -
1 stop16h 25m
Deal found 28/8£439
Sat 24/1017:00 -
1 stop23h 54m
Sun 10/111:55 -
1 stop16h 25m
Deal found 27/8£439
Thu 24/1216:55 -
Nonstop11h 20m
Wed 30/1217:30 -
Nonstop10h 40m
Deal found 28/8£440
Sat 17/1008:45 -
1 stop15h 45m
Sun 25/1020:10 -
1 stop16h 05m
Deal found 25/8£441
Sun 6/1218:45 -
2 stops32h 07m
Sun 20/1216:17 -
1 stop14h 33m
Deal found 27/8£441
Fri 25/906:00 -
1 stop15h 05m
Fri 2/1015:40 -
Nonstop10h 30m
Deal found 26/8£442
Wed 16/1215:20 -
Nonstop11h 25m
Tue 12/118:55 -
Nonstop10h 35m
Deal found 27/8£443
Thu 15/1008:40 -
1 stop14h 05m
Fri 12/322:30 -
Nonstop10h 25m
Deal found 28/8£444
Mon 14/1206:35 -
1 stop16h 40m
Mon 11/118:55 -
Nonstop10h 35m
Deal found 27/8£444
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 29 August 2026.
Thu 26/1115:20 -
Nonstop11h 25m
Sun 6/1218:55 -
Nonstop10h 35m
Deal found 24/8£446
Sun 1/1107:40 -
1 stop15h 35m
Sun 15/1118:55 -
Nonstop10h 35m
Deal found 24/8£458
Tue 8/917:55 -
Nonstop11h 10m
Sun 13/923:15 -
Nonstop10h 20m
Deal found 25/8£486
Mon 9/1119:30 -
2 stops29h 05m
Tue 1/1219:10 -
1 stop14h 40m
Deal found 29/8£495
Tue 29/910:20 -
2 stops21h 10m
Thu 8/1019:10 -
2 stops30h 25m
Deal found 26/8£621
Fri 18/1216:55 -
Nonstop11h 20m
Wed 30/1217:30 -
Nonstop10h 40m
Deal found 27/8£662
Tue 10/1109:00 -
1 stop15h 35m
Sat 14/1107:10 -
1 stop15h 10m
Deal found 25/8£457
Mon 28/1215:20 -
Nonstop11h 25m
Tue 5/118:55 -
Nonstop10h 35m
Deal found 24/8£464
Sun 27/1206:00 -
1 stop18h 35m
Sun 10/119:10 -
2 stops29h 05m
Deal found 29/8£531
Fri 11/906:50 -
2 stops18h 57m
Tue 6/1010:15 -
1 stop13h 10m
Deal found 26/8£483
Sun 27/1220:05 -
1 stop28h 30m
Thu 7/111:30 -
2 stops20h 50m
Deal found 24/8£608
Sun 20/1212:05 -
1 stop16h 17m
Sun 3/105:00 -
1 stop20h 40m
Deal found 27/8£579
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 29 August 2026.
Tue 29/913:05 -
Nonstop11h 20m
Tue 6/1015:40 -
Nonstop10h 30m
Deal found 29/8£436
Thu 24/913:05 -
Nonstop11h 20m
Wed 7/1015:40 -
Nonstop10h 30m
Deal found 25/8£437
Thu 24/908:20 -
Nonstop11h 25m
Thu 1/1018:05 -
Nonstop10h 40m
Deal found 27/8£438
Mon 21/908:20 -
Nonstop11h 25m
Tue 29/918:05 -
Nonstop10h 40m
Deal found 26/8£439
Thu 24/1216:55 -
Nonstop11h 20m
Wed 30/1217:30 -
Nonstop10h 40m
Deal found 29/8£439
Mon 14/1216:55 -
Nonstop11h 20m
Wed 23/1215:30 -
Nonstop10h 30m
Deal found 26/8£441
Thu 24/913:05 -
Nonstop11h 20m
Thu 1/1015:40 -
Nonstop10h 30m
Deal found 25/8£441
Fri 25/913:05 -
Nonstop11h 20m
Wed 14/1015:40 -
Nonstop10h 30m
Deal found 26/8£442
Wed 16/1215:20 -
Nonstop11h 25m
Tue 12/118:55 -
Nonstop10h 35m
Deal found 27/8£443
Mon 21/914:30 -
Nonstop11h 15m
Tue 6/1023:15 -
Nonstop10h 20m
Deal found 27/8£444
Thu 24/913:05 -
Nonstop11h 20m
Wed 30/915:40 -
Nonstop10h 30m
Deal found 26/8£444
Last-minute flights from Heathrow to Pasadena
Discover last-minute flight deals from Heathrow to Pasadena. Data last updated 29 August 2026 and is based on user searches.
Sun 6/908:20 -
Nonstop11h 25m
Sun 13/916:30 -
Nonstop10h 35m
Deal found 26/8£439
Tue 8/914:45 -
1 stop15h 17m
Tue 15/920:10 -
1 stop13h 10m
Deal found 26/8£438
Tue 8/907:50 -
2 stops21h 36m
Sun 13/916:30 -
Nonstop10h 35m
Deal found 26/8£440
Tue 8/906:30 -
1 stop14h 40m
Sun 13/915:40 -
Nonstop10h 30m
Deal found 25/8£441
Tue 8/907:50 -
2 stops21h 36m
Tue 15/907:05 -
1 stop15h 20m
Deal found 26/8£444
Fri 11/917:00 -
1 stop35h 48m
Sun 11/720:09 -
1 stop34h 56m
Deal found 28/8£443
Mon 21/914:05 -
1 stop15h 26m
Sun 4/1008:15 -
2 stops17h 20m
Deal found 27/8£439
Thu 24/913:05 -
Nonstop11h 20m
Wed 7/1015:40 -
Nonstop10h 30m
Deal found 25/8£437
Thu 24/908:50 -
1 stop17h 35m
Thu 1/1020:10 -
1 stop13h 10m
Deal found 27/8£441
Thu 24/913:05 -
Nonstop11h 20m
Wed 30/915:40 -
Nonstop10h 30m
Deal found 26/8£444
Fri 25/906:00 -
1 stop15h 05m
Fri 2/1015:40 -
Nonstop10h 30m
Deal found 26/8£442
Sat 26/909:30 -
2 stops19h 25m
Sun 4/1012:25 -
1 stop13h 35m
Deal found 25/8£436
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 29 August 2026.
Mon 5/1020:05 -
1 stop28h 25m
Deal found 26/8£342
Fri 19/210:05 -
Nonstop11h 20m
Deal found 25/8£343
Tue 3/1109:00 -
2 stops19h 04m
Deal found 26/8£343
Mon 12/1007:25 -
1 stop15h 50m
Deal found 29/8£344
Sun 13/1206:10 -
2 stops21h 45m
Deal found 27/8£345
Tue 8/1207:30 -
2 stops24h 52m
Deal found 25/8£346
Wed 7/1006:50 -
2 stops21h 31m
Deal found 28/8£346
Sun 18/1008:20 -
Nonstop11h 15m
Deal found 28/8£347
Sat 24/1016:55 -
Nonstop11h 15m
Deal found 27/8£348
Fri 18/920:50 -
2 stops43h 30m
Deal found 27/8£349
Wed 14/1020:50 -
2 stops43h 30m
Deal found 25/8£349
Mon 19/1008:20 -
Nonstop11h 15m
Deal found 25/8£350
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 29 August 2026.
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 7,457,451 searches. Data last updated 29 August 2026.
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
Cheapest return flight
LondonLos Angeles
LHR London Heathrow - LAX Los Angeles
LHRLAX
London Heathrow
Thu 26/11
15:20-18:45
Nonstop11h 25m
Los Angeles
Sun 6/12
18:55-13:30
Nonstop10h 35m
£446
LondonLos Angeles
LHR London Heathrow - LAX Los Angeles
LHRLAX
London Heathrow
Tue 10/11
09:00-16:35
1 stop15h 35m
Los Angeles
Sat 14/11
07:10-06:20
1 stop15h 10m
£457
LondonLos Angeles
LHR London Heathrow - LAX Los Angeles
LHRLAX
London Heathrow
Sun 1/11
07:40-16:15
1 stop15h 35m
Los Angeles
Sun 15/11
18:55-13:30
Nonstop10h 35m
£458
LondonLos Angeles
LHR London Heathrow - LAX Los Angeles
LHRLAX
London Heathrow
Mon 28/12
15:20-18:45
Nonstop11h 25m
Los Angeles
Tue 5/1
18:55-13:30
Nonstop10h 35m
£464
LondonLos Angeles
LHR London Heathrow - LAX Los Angeles
LHRLAX
London Heathrow
Fri 11/9
06:50-17:47
2 stops18h 57m
Los Angeles
Tue 6/10
10:15-07:25
1 stop13h 10m
£483
Fastest return journey
LondonLos Angeles
LHR London Heathrow - LAX Los Angeles
LHRLAX
London Heathrow
Tue 8/9
17:55-21:05
Nonstop11h 10m
Los Angeles
Sun 13/9
23:15-17:35
Nonstop10h 20m
£486
LondonLos Angeles
LHR London Heathrow - LAX Los Angeles
LHRLAX
London Heathrow
Mon 9/11
19:30-16:35
2 stops29h 05m
Los Angeles
Tue 1/12
19:10-17:50
1 stop14h 40m
£495
LondonLos Angeles
LHR London Heathrow - LAX Los Angeles
LHRLAX
London Heathrow
Sun 27/12
06:00-16:35
1 stop18h 35m
Los Angeles
Sun 10/1
19:10-08:15
2 stops29h 05m
£531
LondonLos Angeles
LHR London Heathrow - LAX Los Angeles
LHRLAX
London Heathrow
Sun 20/12
12:05-20:22
1 stop16h 17m
Los Angeles
Sun 3/1
05:00-09:40
1 stop20h 40m
£579
LondonLos Angeles
LHR London Heathrow - LAX Los Angeles
LHRLAX
London Heathrow
Sun 27/12
20:05-16:35
1 stop28h 30m
Los Angeles
Thu 7/1
11:30-16:20
2 stops20h 50m
£608
Flights are sorted by cheapest return flights first.
Deals found on 25/8
Showing 1-10 of 24 resultsSorted by cheapest first
1
2
3
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.
LHR-LAX
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
LHR-P4S
LHR-LAX
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 29 August 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 29 August 2026.
The most flights from LHR to P4S are scheduled on a Monday (52 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (44 on average).
How much does it cost for a return flight from London Heathrow Airport to Pasadena?
Airfare is typical for this route at the moment.
London Heathrow Airport to Pasadena flights typically cost between £385 and £511 in October.The cheapest return price found within the last 5 days was £436 on Alaska Airlines (22 Oct–8 Jan).
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 29 August 2026.
Read through reviews of airlines operating flights from London Heathrow Airport to Pasadena, such as United Airlines,Virgin Atlantic, andIberia. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
The premium economy seats were very comfortable and the attention and service by the flight attendants was superb.
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 £446. 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?
£168 is the cheapest one-way deal found within the past few days, from WestJet. You may also be able to find cheap deals on SWISS and British Airways, with prices starting from £304 and £309, 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 (92%), Malaysia Airlines (92%), Fiji Airways( 88%).
What are the cheapest flights from London Heathrow Airport to Pasadena?
While on average a flight from London Heathrow Airport to Pasadena is generally £3,711, our data shows the cheapest flight currently is £318. When looking at the most popular route, (London Heathrow - Los Angeles), you can expect to pay £296 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.
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 7,457,451 searches. Data last updated 29 August 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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