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 24/3. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — LAX
30 Dec — 6 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
Keep the following information in mind while searching for Heathrow to Pasadena flight deals. Data was last updated 30 November 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 30 November 2025.
Fri 12/1208:20LHR - LAX
1 stop15h 24mAmerican Airlines
Sun 28/1217:06LAX - LHR
1 stop14h 04mAmerican Airlines
Deal found 29/11£452
Fri 12/1211:50LHR - LAX
Nonstop11h 30mFinnair
Thu 8/118:50LAX - LHR
1 stop14h 10mFinnair
Deal found 28/11£452
Fri 12/1206:30LHR - LAX
1 stop14h 35mLufthansa
Thu 8/119:00LAX - LHR
Nonstop10h 30mLufthansa
Deal found 28/11£453
Sun 28/1217:20LHR - LAX
Nonstop11h 20mDelta
Mon 26/116:35LAX - LHR
Nonstop10h 20mDelta
Deal found 28/11£454
Sat 13/1211:20LHR - LAX
Nonstop11h 15mDelta
Mon 28/916:05LAX - LHR
Nonstop10h 25mDelta
Deal found 29/11£455
Sun 28/1217:20LHR - LAX
Nonstop11h 20mDelta
Tue 20/111:12LAX - LHR
1 stop13h 48mDelta
Deal found 28/11£456
Tue 16/1211:20LHR - LAX
Nonstop11h 15mDelta
Sat 26/916:05LAX - LHR
Nonstop10h 25mDelta
Deal found 28/11£456
Sat 13/1211:20LHR - LAX
Nonstop11h 15mDelta
Sat 26/922:35LAX - LHR
Nonstop10h 25mDelta
Deal found 28/11£457
Wed 10/1215:20LHR - LAX
Nonstop11h 25mAustrian Airlines
Thu 8/119:00LAX - LHR
Nonstop10h 30mAustrian Airlines
Deal found 28/11£458
Mon 8/1211:50LHR - LAX
Nonstop11h 30mMultiple Airlines
Sun 14/1200:55LAX - LHR
1 stop22h 55mMultiple Airlines
Deal found 28/11£459
Wed 10/1215:20LHR - LAX
Nonstop11h 25mMultiple Airlines
Wed 7/119:00LAX - LHR
Nonstop10h 30mMultiple Airlines
Deal found 28/11£459
Sun 7/1209:55LHR - LAX
1 stop17h 25mMultiple Airlines
Tue 23/1218:50LAX - LHR
1 stop17h 50mMultiple Airlines
Deal found 28/11£460
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 30 November 2025.
Sun 4/108:20LHR - LAX
1 stop15h 26mBritish Airways
Sat 17/117:30LAX - LHR
Nonstop10h 35mBritish Airways
Deal found 29/11£453
Tue 16/1211:20LHR - LAX
Nonstop11h 15mDelta
Wed 30/916:05LAX - LHR
Nonstop10h 25mDelta
Deal found 29/11£455
Sun 24/507:30LHR - LAX
2 stops19h 28mUnited Airlines
Sat 6/608:05LAX - LHR
1 stop17h 55mUnited Airlines
Deal found 28/11£455
Sun 11/119:30LHR - LAX
1 stop29h 30mScandinavian Airlines
Sat 17/119:30LAX - LHR
2 stops18h 05mScandinavian Airlines
Deal found 29/11£490
Thu 12/220:05LHR - LAX
1 stop28h 30mSWISS
Tue 24/211:35LAX - LHR
2 stops20h 45mSWISS
Deal found 28/11£498
Sat 23/513:30LHR - LAX
2 stops18h 15mUnited Airlines
Sat 6/622:30LAX - LHR
1 stop27h 30mUnited Airlines
Deal found 28/11£456
Tue 16/1211:20LHR - LAX
Nonstop11h 15mDelta
Fri 2/1022:35LAX - LHR
Nonstop10h 25mDelta
Deal found 29/11£457
Sun 11/119:30LHR - LAX
1 stop29h 30mScandinavian Airlines
Thu 15/119:30LAX - LHR
2 stops30h 05mScandinavian Airlines
Deal found 29/11£505
Sun 28/1217:20LHR - LAX
Nonstop11h 20mDelta
Wed 23/916:05LAX - LHR
Nonstop10h 25mDelta
Deal found 28/11£502
Fri 27/306:40LHR - LAX
2 stops16h 55mScandinavian Airlines
Mon 13/419:10LAX - LHR
2 stops18h 25mScandinavian Airlines
Deal found 29/11£541
Sat 23/508:40LHR - LAX
1 stop14h 05mDelta
Fri 5/616:05LAX - LHR
Nonstop10h 25mDelta
Deal found 28/11£506
Wed 1/421:05LHR - LAX
2 stops27h 45mScandinavian Airlines
Tue 14/419:10LAX - LHR
2 stops18h 25mScandinavian Airlines
Deal found 29/11£551
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 30 November 2025.
Mon 15/1215:20LHR - LAX
Nonstop11h 25mLufthansa
Sat 10/119:00LAX - LHR
Nonstop10h 30mLufthansa
Deal found 28/11£453
Sun 28/1217:20LHR - LAX
Nonstop11h 20mDelta
Mon 26/116:35LAX - LHR
Nonstop10h 20mDelta
Deal found 28/11£454
Sat 13/1211:20LHR - LAX
Nonstop11h 15mDelta
Mon 28/916:05LAX - LHR
Nonstop10h 25mDelta
Deal found 29/11£455
Sun 28/1217:20LHR - LAX
Nonstop11h 20mDelta
Mon 19/122:30LAX - LHR
Nonstop10h 20mDelta
Deal found 28/11£456
Tue 16/1211:20LHR - LAX
Nonstop11h 15mDelta
Fri 25/916:05LAX - LHR
Nonstop10h 25mDelta
Deal found 28/11£456
Sat 13/1215:20LHR - LAX
Nonstop11h 25mUnited Airlines
Wed 7/119:00LAX - LHR
Nonstop10h 30mUnited Airlines
Deal found 28/11£457
Wed 10/1215:20LHR - LAX
Nonstop11h 25mAustrian Airlines
Thu 8/119:00LAX - LHR
Nonstop10h 30mAustrian Airlines
Deal found 28/11£458
Thu 8/111:20LHR - LAX
Nonstop11h 15mMultiple Airlines
Sun 18/122:30LAX - LHR
Nonstop10h 20mMultiple Airlines
Deal found 29/11£459
Thu 11/1215:20LHR - LAX
Nonstop11h 25mAustrian Airlines
Wed 7/119:00LAX - LHR
Nonstop10h 30mAustrian Airlines
Deal found 28/11£459
Fri 26/1215:20LHR - LAX
Nonstop11h 25mMultiple Airlines
Fri 16/119:00LAX - LHR
Nonstop10h 30mMultiple Airlines
Deal found 28/11£461
Sat 11/410:50LHR - LAX
Nonstop11h 15mDelta
Mon 20/416:05LAX - LHR
Nonstop10h 25mDelta
Deal found 28/11£462
Fri 9/115:20LHR - LAX
Nonstop11h 25mAustrian Airlines
Wed 28/119:00LAX - LHR
Nonstop10h 30mAustrian Airlines
Deal found 29/11£462
Last-minute flights from Heathrow to Pasadena
Discover last-minute flight deals from Heathrow to Pasadena. Data last updated 30 November 2025 and is based on user searches.
Sun 7/1209:55LHR - LAX
1 stop17h 25mMultiple Airlines
Tue 23/1218:50LAX - LHR
1 stop17h 50mMultiple Airlines
Deal found 28/11£460
Mon 8/1211:50LHR - LAX
Nonstop11h 30mMultiple Airlines
Sun 14/1200:55LAX - LHR
1 stop22h 55mMultiple Airlines
Deal found 28/11£459
Wed 10/1215:20LHR - LAX
Nonstop11h 25mAustrian Airlines
Thu 8/119:00LAX - LHR
Nonstop10h 30mAustrian Airlines
Deal found 28/11£458
Wed 10/1215:20LHR - LAX
Nonstop11h 25mMultiple Airlines
Wed 7/119:00LAX - LHR
Nonstop10h 30mMultiple Airlines
Deal found 28/11£459
Fri 12/1208:20LHR - LAX
1 stop15h 24mAmerican Airlines
Sun 28/1217:06LAX - LHR
1 stop14h 04mAmerican Airlines
Deal found 29/11£452
Fri 12/1211:50LHR - LAX
Nonstop11h 30mFinnair
Thu 8/118:50LAX - LHR
1 stop14h 10mFinnair
Deal found 28/11£452
Fri 12/1207:40LHR - LAX
1 stop15h 35mLufthansa
Wed 7/119:00LAX - LHR
Nonstop10h 30mLufthansa
Deal found 28/11£453
Sat 13/1216:20LHR - LAX
1 stop16h 39mUnited Airlines
Sun 18/121:30LAX - LHR
2 stops15h 05mUnited Airlines
Deal found 28/11£455
Sat 13/1211:20LHR - LAX
Nonstop11h 15mDelta
Sat 26/922:35LAX - LHR
Nonstop10h 25mDelta
Deal found 28/11£457
Tue 16/1211:20LHR - LAX
Nonstop11h 15mDelta
Sat 26/916:05LAX - LHR
Nonstop10h 25mDelta
Deal found 28/11£456
Sun 28/1217:20LHR - LAX
Nonstop11h 20mDelta
Tue 20/122:30LAX - LHR
Nonstop10h 20mDelta
Deal found 28/11£454
Sun 28/1217:20LHR - LAX
Nonstop11h 20mDelta
Wed 21/111:12LAX - LHR
1 stop13h 48mDelta
Deal found 28/11£456
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 30 November 2025.
Tue 24/314:50LHR - LAX
2 stops27h 10mWestJet
Deal found 27/11£366
Tue 24/320:45LHR - LAX
1 stop29h 45mAer Lingus
Deal found 28/11£367
Thu 5/312:30LHR - LAX
Nonstop11h 20mFinnair
Deal found 27/11£368
Thu 8/109:00LHR - LAX
2 stops45h 00mAir Canada
Deal found 28/11£369
Fri 13/215:20LHR - LAX
Nonstop11h 25mAustrian Airlines
Deal found 29/11£369
Thu 4/1214:50LHR - LAX
1 stop15h 13mWestJet
Deal found 27/11£370
Tue 6/118:00LHR - LAX
1 stop24h 32mUnited Airlines
Deal found 27/11£371
Fri 12/1208:50LHR - LAX
1 stop17h 40mAer Lingus
Deal found 28/11£372
Fri 9/113:25LHR - LAX
1 stop16h 35mAir Canada
Deal found 28/11£372
Sun 7/1207:50LHR - LAX
1 stop18h 40mAer Lingus
Deal found 27/11£374
Thu 15/115:20LHR - LAX
Nonstop11h 25mBrussels Airlines
Deal found 29/11£375
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 30 November 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
Sun 4/1
08:20-15:46
1 stop15h 26m
Los Angeles
Sat 17/1
17:30-12:05
Nonstop10h 35m
£453
LondonLos Angeles
LHR - LAX
LHRLAX
London Heathrow
Tue 16/12
11:20-14:35
Nonstop11h 15m
Los Angeles
Wed 30/9
16:05-10:30
Nonstop10h 25m
£455
LondonLos Angeles
LHR - LAX
LHRLAX
London Heathrow
Sun 24/5
07:30-18:58
2 stops19h 28m
Los Angeles
Sat 6/6
08:05-10:00
1 stop17h 55m
£455
LondonLos Angeles
LHR - LAX
LHRLAX
London Heathrow
Sat 23/5
13:30-23:45
2 stops18h 15m
Los Angeles
Sat 6/6
22:30-10:00
1 stop27h 30m
£456
LondonLos Angeles
LHR - LAX
LHRLAX
London Heathrow
Tue 16/12
11:20-14:35
Nonstop11h 15m
Los Angeles
Fri 2/10
22:35-17:00
Nonstop10h 25m
£457
LondonLos Angeles
LHR - LAX
LHRLAX
London Heathrow
Sun 11/1
19:30-17:00
1 stop29h 30m
Los Angeles
Sat 17/1
19:30-21:35
2 stops18h 05m
£490
LondonLos Angeles
LHR - LAX
LHRLAX
London Heathrow
Thu 12/2
20:05-16:35
1 stop28h 30m
Los Angeles
Tue 24/2
11:35-16:20
2 stops20h 45m
£498
LondonLos Angeles
LHR - LAX
LHRLAX
London Heathrow
Sun 28/12
17:20-20:40
Nonstop11h 20m
Los Angeles
Wed 23/9
16:05-10:30
Nonstop10h 25m
£502
LondonLos Angeles
LHR - LAX
LHRLAX
London Heathrow
Sun 11/1
19:30-17:00
1 stop29h 30m
Los Angeles
Thu 15/1
19:30-09:35
2 stops30h 05m
£505
LondonLos Angeles
LHR - LAX
LHRLAX
London Heathrow
Sat 23/5
08:40-14:45
1 stop14h 05m
Los Angeles
Fri 5/6
16:05-10:30
Nonstop10h 25m
£506
Flights are sorted by cheapest return flights first.
Deals found on 29/11
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 21 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 £351). Flying from London Heathrow Airport to Pasadena in July is currently the most expensive (average of £409). 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 30 November 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 30 November 2025.
The most flights from LHR to P4S are scheduled on a Saturday (52 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (42 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 30 November 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.
The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.
The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.
The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.
The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.
The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.
The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.
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. British Airways provides one of the quickest options available for as low as £455. 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?
£380 is the cheapest one-way deal found within the past few days, from WestJet. You may also be able to find cheap deals on United Airlines and Austrian Airlines, with prices starting from £382 and £383, 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 (82%), KLM (82%), Air Canada( 82%).
What are the cheapest flights from London Heathrow Airport to Pasadena?
While on average a flight from London Heathrow Airport to Pasadena is generally £2,716, our data shows the cheapest flight currently is £356. When looking at the most popular route, (London Heathrow - Los Angeles), you can expect to pay £315 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 £351). Flying from London Heathrow Airport to Pasadena in July is currently the most expensive (average of £409). 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 30 November 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 30 November 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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