Cheap flights from London Heathrow Airport to Pasadena from £237
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 13/12. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — LAX
17 Oct — 24 Oct1
Return
1 adult
Economy
Return
1 adult, Economy
Cheapflights Tip: The best prices from London Heathrow to Pasadena are usually found in September or March, booked 56 days in advance, depart on a Wednesday or Tuesday 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 17 September 2025.
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 17 September 2025.
Mon 6/1020:55LHR - LAX
1 stop22h 55mVirgin Atlantic
Wed 15/1015:30LAX - LHR
Nonstop10h 30mVirgin Atlantic
Deal found 15/9£349
Tue 23/906:30LHR - LAX
1 stop13h 20mVirgin Atlantic
Tue 30/920:05LAX - LHR
Nonstop10h 30mVirgin Atlantic
Deal found 15/9£350
Tue 7/1006:30LHR - LAX
1 stop13h 20mVirgin Atlantic
Fri 17/1015:30LAX - LHR
Nonstop10h 30mVirgin Atlantic
Deal found 16/9£350
Thu 25/906:55LHR - LAX
1 stop16h 20mLufthansa
Thu 9/1016:40LAX - LHR
Nonstop10h 30mLufthansa
Deal found 14/9£352
Fri 26/906:00LHR - LAX
1 stop15h 05mMultiple Airlines
Fri 10/1008:25LAX - LHR
1 stop14h 50mMultiple Airlines
Deal found 16/9£353
Mon 22/906:00LHR - LAX
1 stop18h 30mMultiple Airlines
Wed 8/1007:00LAX - LHR
1 stop14h 55mMultiple Airlines
Deal found 16/9£353
Thu 30/1009:00LHR - LAX
1 stop15h 35mMultiple Airlines
Thu 6/1119:00LAX - LHR
Nonstop10h 30mMultiple Airlines
Deal found 15/9£354
Thu 30/1008:50LHR - LAX
1 stop17h 40mAer Lingus
Fri 7/1120:15LAX - LHR
1 stop12h 35mAer Lingus
Deal found 15/9£355
Thu 6/1112:10LHR - LAX
1 stop14h 20mAer Lingus
Thu 13/1120:15LAX - LHR
1 stop16h 50mAer Lingus
Deal found 14/9£356
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 17 September 2025.
Sat 8/1109:00LHR - LAX
1 stop15h 35mUnited Airlines
Wed 12/1119:00LAX - LHR
Nonstop10h 30mUnited Airlines
Deal found 15/9£359
Tue 10/309:00LHR - LAX
1 stop15h 35mMultiple Airlines
Wed 25/320:00LAX - LHR
Nonstop10h 30mMultiple Airlines
Deal found 15/9£360
Sat 7/307:40LHR - LAX
1 stop15h 35mLufthansa
Tue 10/308:45LAX - LHR
1 stop14h 35mLufthansa
Deal found 16/9£365
Thu 30/1009:00LHR - LAX
1 stop15h 35mUnited Airlines
Wed 5/1100:25LAX - LHR
1 stop21h 30mUnited Airlines
Deal found 15/9£360
Fri 6/209:00LHR - LAX
1 stop15h 35mMultiple Airlines
Fri 20/208:45LAX - LHR
1 stop13h 10mMultiple Airlines
Deal found 15/9£360
Wed 5/1109:00LHR - LAX
1 stop15h 35mMultiple Airlines
Wed 12/1119:00LAX - LHR
Nonstop10h 30mMultiple Airlines
Deal found 16/9£361
Sat 8/1109:00LHR - LAX
1 stop15h 35mUnited Airlines
Fri 14/1100:25LAX - LHR
1 stop21h 30mUnited Airlines
Deal found 16/9£361
Fri 7/1109:00LHR - LAX
1 stop15h 35mUnited Airlines
Sat 8/1100:25LAX - LHR
1 stop21h 30mUnited Airlines
Deal found 16/9£361
Sun 2/1105:30LHR - LAX
1 stop14h 35mUnited Airlines
Sun 9/1119:00LAX - LHR
Nonstop10h 30mUnited Airlines
Deal found 15/9£364
Mon 2/307:40LHR - LAX
1 stop15h 35mUnited Airlines
Wed 11/300:59LAX - LHR
1 stop23h 31mUnited Airlines
Deal found 16/9£364
Sun 1/306:30LHR - LAX
2 stops18h 55mUnited Airlines
Mon 16/314:30LAX - LHR
1 stop12h 10mUnited Airlines
Deal found 15/9£369
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 17 September 2025.
Tue 7/1017:30LHR - LAX
Nonstop11h 15mVirgin Atlantic
Fri 17/1022:50LAX - LHR
Nonstop10h 25mVirgin Atlantic
Deal found 15/9£351
Thu 20/1117:20LHR - LAX
Nonstop11h 20mVirgin Atlantic
Mon 24/1116:35LAX - LHR
Nonstop10h 20mVirgin Atlantic
Deal found 16/9£352
Fri 3/1017:30LHR - LAX
Nonstop11h 15mVirgin Atlantic
Mon 6/1022:50LAX - LHR
Nonstop10h 25mVirgin Atlantic
Deal found 15/9£353
Wed 8/1014:30LHR - LAX
Nonstop11h 15mVirgin Atlantic
Wed 15/1015:30LAX - LHR
Nonstop10h 30mVirgin Atlantic
Deal found 15/9£353
Thu 30/1011:20LHR - LAX
Nonstop11h 15mVirgin Atlantic
Thu 6/1122:30LAX - LHR
Nonstop10h 20mVirgin Atlantic
Deal found 15/9£354
Tue 7/1017:30LHR - LAX
Nonstop11h 15mVirgin Atlantic
Tue 14/1015:45LAX - LHR
Nonstop10h 30mVirgin Atlantic
Deal found 15/9£355
Sun 28/909:55LHR - LAX
Nonstop11h 20mVirgin Atlantic
Sun 19/1022:50LAX - LHR
Nonstop10h 25mVirgin Atlantic
Deal found 16/9£356
Fri 26/917:30LHR - LAX
Nonstop11h 15mVirgin Atlantic
Mon 29/922:50LAX - LHR
Nonstop10h 25mVirgin Atlantic
Deal found 15/9£356
Fri 6/317:20LHR - LAX
Nonstop11h 20mVirgin Atlantic
Sun 15/323:30LAX - LHR
Nonstop10h 20mVirgin Atlantic
Deal found 15/9£359
Tue 13/111:20LHR - LAX
Nonstop11h 15mVirgin Atlantic
Sun 18/116:35LAX - LHR
Nonstop10h 20mVirgin Atlantic
Deal found 14/9£359
Fri 27/211:20LHR - LAX
Nonstop11h 15mVirgin Atlantic
Thu 12/317:35LAX - LHR
Nonstop10h 20mVirgin Atlantic
Deal found 16/9£360
Mon 12/111:20LHR - LAX
Nonstop11h 15mVirgin Atlantic
Mon 19/122:30LAX - LHR
Nonstop10h 20mVirgin Atlantic
Deal found 14/9£361
Last-minute flights from Heathrow to Pasadena
Discover last-minute flight deals from Heathrow to Pasadena. Data last updated 17 September 2025 and is based on user searches.
Mon 22/906:00LHR - LAX
1 stop18h 30mMultiple Airlines
Wed 8/1016:40LAX - LHR
Nonstop10h 30mMultiple Airlines
Deal found 16/9£353
Tue 23/906:30LHR - LAX
1 stop13h 20mVirgin Atlantic
Tue 30/920:05LAX - LHR
Nonstop10h 30mVirgin Atlantic
Deal found 15/9£350
Thu 25/906:55LHR - LAX
1 stop16h 20mLufthansa
Thu 9/1016:40LAX - LHR
Nonstop10h 30mLufthansa
Deal found 14/9£352
Fri 26/906:00LHR - LAX
1 stop15h 05mMultiple Airlines
Fri 10/1008:25LAX - LHR
1 stop14h 50mMultiple Airlines
Deal found 16/9£353
Mon 6/1020:55LHR - LAX
1 stop22h 55mVirgin Atlantic
Wed 15/1015:30LAX - LHR
Nonstop10h 30mVirgin Atlantic
Deal found 15/9£349
Tue 7/1006:30LHR - LAX
1 stop13h 20mVirgin Atlantic
Fri 17/1015:30LAX - LHR
Nonstop10h 30mVirgin Atlantic
Deal found 16/9£350
Thu 30/1009:00LHR - LAX
1 stop15h 35mMultiple Airlines
Thu 6/1119:00LAX - LHR
Nonstop10h 30mMultiple Airlines
Deal found 15/9£354
Thu 30/1008:50LHR - LAX
1 stop17h 40mAer Lingus
Fri 7/1120:15LAX - LHR
1 stop12h 35mAer Lingus
Deal found 15/9£355
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 17 September 2025.
Sat 13/1220:50LHR - LAX
1 stop29h 20mLEVEL
Deal found 16/9£237
Sun 15/309:55LHR - LAX
1 stop16h 15mLEVEL
Deal found 16/9£242
Mon 2/218:50LHR - LAX
1 stop31h 15mLEVEL
Deal found 15/9£246
Wed 18/209:55LHR - LAX
1 stop40h 10mMultiple Airlines
Deal found 16/9£251
Thu 11/1209:55LHR - LAX
1 stop17h 15mMultiple Airlines
Deal found 15/9£253
Thu 15/109:55LHR - LAX
1 stop17h 15mMultiple Airlines
Deal found 16/9£255
Sat 13/1220:50LHR - LAX
1 stop29h 20mMultiple Airlines
Deal found 16/9£258
Wed 11/218:50LHR - LAX
1 stop31h 15mLEVEL
Deal found 14/9£261
Mon 15/1218:50LHR - LAX
1 stop31h 15mLEVEL
Deal found 16/9£262
Mon 15/1209:55LHR - LAX
1 stop40h 10mMultiple Airlines
Deal found 16/9£263
Sat 17/117:30LHR - LAX
2 stops31h 35mMultiple Airlines
Deal found 15/9£265
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 17 September 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
Sat 8/11
09:00-16:35
1 stop15h 35m
Los Angeles
Wed 12/11
19:00-13:30
Nonstop10h 30m
£359
LondonLos Angeles
LHR - LAX
LHRLAX
London Heathrow
Tue 10/3
09:00-17:35
1 stop15h 35m
Los Angeles
Wed 25/3
20:00-13:30
Nonstop10h 30m
£360
LondonLos Angeles
LHR - LAX
LHRLAX
London Heathrow
Thu 30/10
09:00-17:35
1 stop15h 35m
Los Angeles
Wed 5/11
00:25-05:55
1 stop21h 30m
£360
LondonLos Angeles
LHR - LAX
LHRLAX
London Heathrow
Fri 6/2
09:00-16:35
1 stop15h 35m
Los Angeles
Fri 20/2
08:45-05:55
1 stop13h 10m
£360
LondonLos Angeles
LHR - LAX
LHRLAX
London Heathrow
Wed 5/11
09:00-16:35
1 stop15h 35m
Los Angeles
Wed 12/11
19:00-13:30
Nonstop10h 30m
£361
LondonLos Angeles
LHR - LAX
LHRLAX
London Heathrow
Sat 8/11
09:00-16:35
1 stop15h 35m
Los Angeles
Fri 14/11
00:25-05:55
1 stop21h 30m
£361
LondonLos Angeles
LHR - LAX
LHRLAX
London Heathrow
Fri 7/11
09:00-16:35
1 stop15h 35m
Los Angeles
Sat 8/11
00:25-05:55
1 stop21h 30m
£361
LondonLos Angeles
LHR - LAX
LHRLAX
London Heathrow
Sun 2/11
05:30-13:05
1 stop14h 35m
Los Angeles
Sun 9/11
19:00-13:30
Nonstop10h 30m
£364
LondonLos Angeles
LHR - LAX
LHRLAX
London Heathrow
Mon 2/3
07:40-15:15
1 stop15h 35m
Los Angeles
Wed 11/3
00:59-07:30
1 stop23h 31m
£364
LondonLos Angeles
LHR - LAX
LHRLAX
London Heathrow
Sat 7/3
07:40-15:15
1 stop15h 35m
Los Angeles
Tue 10/3
08:45-06:20
1 stop14h 35m
£365
Flights are sorted by cheapest return flights first.
Deals found on 16/9
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 September 2025.
Booking 56 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, September is the cheapest month in which you can book a flight from London Heathrow Airport to Pasadena (average of £573). Flying from London Heathrow Airport to Pasadena in July is currently the most expensive (average of £811). 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 17 September 2025.
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.
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 Friday evenings 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 17 September 2025.
The most flights from LHR to P4S are scheduled on a Monday (53 on average). You will have fewer flight options on Friday, which is when the least amount of flights are scheduled (47 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 17 September 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.
Crew and snacks were good, boarding wasn't great as busses were used rather than boarding tunnels. Also endured a one hour delay.
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 15h 35m. United Airlines provides one of the quickest options available for as low as £359. London Heathrow Airport and Pasadena are separated by a distance of 5439 mi.
What are the cheapest airlines to fly from London Heathrow Airport to Pasadena one-way?
£237 is the cheapest one-way deal found within the past few days, from LEVEL. You may also be able to find cheap deals on Aer Lingus and American Airlines, with prices starting from £293 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 (89%), Aeromexico (86%), KLM( 86%).
What are the cheapest flights from London Heathrow Airport to Pasadena?
While on average a flight from London Heathrow Airport to Pasadena is generally £2,664, our data shows the cheapest flight currently is £355. When looking at the most popular route, (London Heathrow - Los Angeles), you can expect to pay £326 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, September is the cheapest month in which you can book a flight from London Heathrow Airport to Pasadena (average of £573). Flying from London Heathrow Airport to Pasadena in July is currently the most expensive (average of £811). 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 17 September 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 17 September 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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