Cheap flights from London Heathrow Airport to Pasadena from £343
This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/2. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — LAX
4 Oct — 11 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 61 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.
Cheapest
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 4 September 2026.
Wed 16/908:30 -
2 stops19h 24m
Sun 27/908:15 -
2 stops17h 20m
Deal found 4/9£419
Thu 1/1016:55 -
Nonstop11h 20m
Fri 20/1118:30 -
Nonstop10h 35m
Deal found 3/9£420
Thu 1/1008:30 -
2 stops17h 07m
Thu 15/1007:30 -
2 stops18h 30m
Deal found 4/9£420
Wed 16/909:30 -
2 stops16h 55m
Mon 21/908:15 -
2 stops17h 20m
Deal found 3/9£421
Sun 11/1009:30 -
1 stop18h 24m
Thu 10/1218:55 -
Nonstop10h 35m
Deal found 3/9£422
Thu 1/1008:30 -
2 stops17h 07m
Sun 4/1007:30 -
2 stops18h 30m
Deal found 4/9£423
Fri 11/911:25 -
1 stop19h 30m
Thu 24/914:35 -
1 stop13h 50m
Deal found 4/9£424
Mon 5/1014:05 -
1 stop15h 26m
Wed 14/1012:25 -
1 stop13h 35m
Deal found 2/9£425
Sat 17/1008:30 -
1 stop15h 05m
Sat 24/1019:55 -
Nonstop10h 35m
Deal found 2/9£426
Sun 27/918:30 -
1 stop23h 35m
Sun 4/1007:35 -
2 stops42h 55m
Deal found 4/9£426
Sun 27/917:00 -
1 stop14h 37m
Wed 7/1016:59 -
1 stop14h 06m
Deal found 3/9£427
Sun 11/1017:00 -
1 stop14h 58m
Fri 23/1016:59 -
1 stop14h 06m
Deal found 4/9£428
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 4 September 2026.
Thu 24/1211:30 -
1 stop18h 05m
Wed 30/1211:33 -
1 stop14h 27m
Deal found 4/9£421
Mon 5/1017:00 -
1 stop14h 58m
Sun 28/214:00 -
1 stop14h 20m
Deal found 1/9£435
Tue 27/1015:20 -
Nonstop11h 25m
Wed 4/1112:45 -
1 stop12h 55m
Deal found 1/9£449
Sat 17/1008:45 -
1 stop15h 45m
Sat 24/1019:55 -
Nonstop10h 35m
Deal found 2/9£455
Sun 4/1016:55 -
Nonstop11h 20m
Sat 19/1218:25 -
Nonstop10h 40m
Deal found 3/9£639
Fri 16/1018:40 -
1 stop29h 50m
Sat 24/1012:15 -
2 stops21h 05m
Deal found 1/9£699
Thu 22/1007:05 -
2 stops17h 45m
Thu 29/1012:20 -
2 stops20h 40m
Deal found 3/9£746
Sun 25/1015:20 -
Nonstop11h 25m
Fri 25/1207:20 -
1 stop20h 30m
Deal found 3/9£528
Sun 6/1214:25 -
2 stops34h 10m
Sun 20/1219:10 -
2 stops18h 15m
Deal found 30/8£739
Sun 4/1008:40 -
1 stop14h 05m
Sat 19/1209:30 -
1 stop12h 55m
Deal found 3/9£757
Thu 31/1211:10 -
2 stops28h 24m
Sun 3/107:00 -
1 stop18h 40m
Deal found 31/8£750
Fri 18/1210:05 -
Nonstop11h 20m
Fri 1/117:30 -
Nonstop10h 40m
Deal found 30/8£911
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 4 September 2026.
Fri 23/1016:55 -
Nonstop11h 15m
Fri 30/1019:30 -
Nonstop10h 35m
Deal found 4/9£419
Sun 4/1016:55 -
Nonstop11h 20m
Tue 22/1217:30 -
Nonstop10h 40m
Deal found 3/9£420
Wed 4/1116:55 -
Nonstop11h 20m
Fri 4/1215:30 -
Nonstop10h 30m
Deal found 3/9£424
Thu 22/1013:05 -
Nonstop11h 20m
Sun 25/1019:55 -
Nonstop10h 35m
Deal found 4/9£426
Thu 22/1013:05 -
Nonstop11h 20m
Thu 5/1118:55 -
Nonstop10h 35m
Deal found 3/9£426
Sat 3/1013:05 -
Nonstop11h 20m
Sat 10/1015:40 -
Nonstop10h 30m
Deal found 2/9£427
Tue 20/1013:05 -
Nonstop11h 20m
Tue 27/1019:55 -
Nonstop10h 35m
Deal found 2/9£428
Tue 10/1110:05 -
Nonstop11h 20m
Tue 22/1217:30 -
Nonstop10h 40m
Deal found 2/9£429
Thu 17/913:05 -
Nonstop11h 20m
Thu 24/915:40 -
Nonstop10h 30m
Deal found 1/9£429
Wed 7/1010:30 -
Nonstop11h 15m
Wed 14/417:05 -
Nonstop10h 30m
Deal found 4/9£430
Fri 23/1016:55 -
Nonstop11h 15m
Tue 3/1117:00 -
Nonstop10h 40m
Deal found 4/9£432
Thu 29/1016:55 -
Nonstop11h 15m
Sat 21/1118:30 -
Nonstop10h 35m
Deal found 1/9£432
Last-minute flights from Heathrow to Pasadena
Discover last-minute flight deals from Heathrow to Pasadena. Data last updated 4 September 2026 and is based on user searches.
Fri 11/911:25 -
1 stop19h 30m
Thu 24/914:35 -
1 stop13h 50m
Deal found 4/9£424
Wed 16/908:30 -
2 stops19h 24m
Sun 27/908:15 -
2 stops17h 20m
Deal found 4/9£419
Wed 16/909:30 -
2 stops16h 55m
Mon 21/908:15 -
2 stops17h 20m
Deal found 3/9£421
Sun 27/918:30 -
1 stop23h 35m
Sun 4/1007:35 -
2 stops42h 55m
Deal found 4/9£426
Sun 27/917:00 -
1 stop14h 37m
Thu 8/1016:59 -
1 stop14h 06m
Deal found 3/9£427
Thu 1/1016:55 -
Nonstop11h 20m
Fri 20/1118:30 -
Nonstop10h 35m
Deal found 3/9£420
Thu 1/1008:30 -
2 stops17h 07m
Thu 15/1007:30 -
2 stops18h 30m
Deal found 4/9£420
Thu 1/1008:30 -
2 stops17h 07m
Sun 4/1007:30 -
2 stops18h 30m
Deal found 4/9£423
Mon 5/1014:05 -
1 stop15h 26m
Wed 14/1012:25 -
1 stop13h 35m
Deal found 2/9£425
Sun 11/1009:30 -
1 stop18h 24m
Thu 10/1218:55 -
Nonstop10h 35m
Deal found 3/9£422
Sun 11/1017:00 -
1 stop14h 58m
Fri 23/1016:59 -
1 stop14h 06m
Deal found 4/9£428
Sat 17/1008:30 -
1 stop15h 05m
Sat 24/1019:55 -
Nonstop10h 35m
Deal found 2/9£426
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 4 September 2026.
Mon 1/209:00 -
1 stop15h 35m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 31/8£343
Mon 12/1007:25 -
1 stop15h 50m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 31/8£346
Fri 25/920:50 -
2 stops43h 30m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 31/8£346
Sat 24/1016:55 -
Nonstop11h 15m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 2/9£347
Wed 3/306:15 -
2 stops26h 15m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 2/9£348
Tue 5/118:40 -
1 stop29h 55m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 2/9£349
Sat 5/1219:05 -
2 stops33h 58m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 2/9£349
Thu 29/1018:45 -
2 stops33h 58m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 30/8£350
Fri 8/114:45 -
1 stop16h 48m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 2/9£351
Mon 26/1019:40 -
2 stops33h 03m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 31/8£352
Sun 25/1014:45 -
1 stop36h 03m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 30/8£352
Wed 23/920:50 -
2 stops43h 30m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 1/9£353
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 4 September 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 4 September 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 Los Angeles
LHRLAX
London Heathrow
Sun 18/10
20:05-16:30
1 stop28h 25m
Los Angeles Los Angeles
Wed 31/12
00:00-09:00
Nonstop0h 00m
£354
LondonLos Angeles
LHR London Heathrow - LAX Los Angeles Los Angeles
LHRLAX
London Heathrow
Wed 10/2
10:05-13:25
Nonstop11h 20m
Los Angeles Los Angeles
Wed 31/12
00:00-09:00
Nonstop0h 00m
£354
LondonLos Angeles
LHR London Heathrow - LAX Los Angeles Los Angeles
LHRLAX
London Heathrow
Tue 13/10
20:05-16:30
1 stop28h 25m
Los Angeles Los Angeles
Wed 31/12
00:00-09:00
Nonstop0h 00m
£363
LondonLos Angeles
LHR London Heathrow - LAX Los Angeles Los Angeles
LHRLAX
London Heathrow
Mon 19/10
19:15-16:30
2 stops29h 15m
Los Angeles Los Angeles
Wed 31/12
00:00-09:00
Nonstop0h 00m
£382
LondonLos Angeles
LHR London Heathrow - LAX Los Angeles Los Angeles
LHRLAX
London Heathrow
Thu 1/10
11:55-23:53
1 stop19h 58m
Los Angeles Los Angeles
Wed 31/12
00:00-09:00
Nonstop0h 00m
£408
LondonLos Angeles
LHR London Heathrow - LAX Los Angeles Los Angeles
LHRLAX
London Heathrow
Thu 24/12
11:30-21:35
1 stop18h 05m
Los Angeles Los Angeles
Wed 30/12
11:33-10:00
1 stop14h 27m
£421
LondonLos Angeles
LHR London Heathrow - LAX Los Angeles Los Angeles
LHRLAX
London Heathrow
Mon 5/10
17:00-23:58
1 stop14h 58m
Los Angeles Los Angeles
Sun 28/2
14:00-12:20
1 stop14h 20m
£435
LondonLos Angeles
LHR London Heathrow - LAX Los Angeles Los Angeles
LHRLAX
London Heathrow
Thu 15/10
08:40-18:25
1 stop17h 45m
Los Angeles Los Angeles
Wed 31/12
00:00-09:00
Nonstop0h 00m
£441
LondonLos Angeles
LHR London Heathrow - LAX Los Angeles Los Angeles
LHRLAX
London Heathrow
Sat 17/10
20:05-16:30
1 stop28h 25m
Los Angeles Los Angeles
Wed 31/12
00:00-09:00
Nonstop0h 00m
£446
LondonLos Angeles
LHR London Heathrow - LAX Los Angeles Los Angeles
LHRLAX
London Heathrow
Mon 19/10
13:05-16:25
Nonstop11h 20m
Los Angeles Los Angeles
Wed 31/12
00:00-09:00
Nonstop0h 00m
£449
Flights are sorted by cheapest return flights first.
Deals found on 1/9
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 4 September 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 4 September 2026.
The most flights from LHR to P4S are scheduled on a Wednesday (57 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (39 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 £388 and £516 in September.The cheapest return price found within the last 5 days was £419 on Air Canada (29 Sept–12 Oct).
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 4 September 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. Delta provides one of the quickest options available for as low as £449. 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?
£169 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 £305 and £310, 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 (95%), Malaysia Airlines (92%), Fiji Airways( 89%).
What are the cheapest flights from London Heathrow Airport to Pasadena?
While on average a flight from London Heathrow Airport to Pasadena is generally £2,278, our data shows the cheapest flight currently is £319. When looking at the most popular route, (London Heathrow - Los Angeles Los Angeles), you can expect to pay £251 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.
Browse through other flights departing from Heathrow. Flights are based on user searches made on Cheapflights and were last updated on 4 September 2026.
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 4 September 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.
100% Free
Cheapflights is completely free to use, so you can start saving the moment you arrive.
Book with Flexibility
Our users can plan ahead with confidence and find flights with no change fees
Travel Smart
Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.
We value your privacy
Cheapflights and its partners wish to use cookies or similar technologies to store and/or access information on and about your device and process personal data such as your IP address, device identifiers etc., in order to improve your experience on the site, to analyse navigation, to offer and measure personalised advertising, and to facilitate sharing on social networks. We also allow the use of third-party cookies (including those from our advertising partners) on our sites.
By clicking 'Accept', you consent to your data being processed by 0 vendors on this web site for the purposes described in this notice. You can review the vendors and their individual processing purposes on the .
To review individual processing purposes and cookie categories, please click ’Select individual purposes’. You can review your choices and withdraw your consent at any time by clicking the ’Privacy Preferences’ link in the page side navigation.