Cheap flights from London Heathrow Airport to Pasadena from £325
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 28/4. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — LAX
9 Dec — 16 Dec1
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 30 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 9 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 9 November 2025.
Mon 8/1208:15LHR - LAX
1 stop38h 45mTAP AIR PORTUGAL
Thu 22/116:45LAX - LHR
1 stop18h 10mTAP AIR PORTUGAL
Deal found 7/11£400
Sat 6/1206:00LHR - LAX
1 stop17h 00mTAP AIR PORTUGAL
Thu 11/1216:45LAX - LHR
1 stop21h 55mTAP AIR PORTUGAL
Deal found 7/11£407
Tue 9/1206:00LHR - LAX
1 stop17h 00mTAP AIR PORTUGAL
Thu 22/116:45LAX - LHR
1 stop16h 45mTAP AIR PORTUGAL
Deal found 7/11£409
Tue 9/1206:40LHR - LAX
1 stop18h 20mScandinavian Airlines
Tue 10/219:30LAX - LHR
1 stop18h 10mScandinavian Airlines
Deal found 7/11£413
Wed 26/1110:20LHR - LAX
1 stop14h 40mScandinavian Airlines
Sun 7/1219:30LAX - LHR
1 stop14h 10mScandinavian Airlines
Deal found 8/11£415
Wed 3/1213:40LHR - LAX
1 stop33h 00mTAP AIR PORTUGAL
Tue 9/1216:45LAX - LHR
1 stop21h 55mTAP AIR PORTUGAL
Deal found 7/11£418
Wed 3/1218:30LHR - LAX
1 stop28h 10mTAP AIR PORTUGAL
Thu 11/1216:45LAX - LHR
1 stop20h 50mTAP AIR PORTUGAL
Deal found 8/11£418
Wed 19/1118:30LHR - LAX
1 stop28h 10mTAP AIR PORTUGAL
Sat 17/116:45LAX - LHR
1 stop18h 10mTAP AIR PORTUGAL
Deal found 7/11£424
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 9 November 2025.
Thu 16/406:30LHR - LAX
1 stop16h 20mDelta
Tue 21/414:15LAX - LHR
1 stop15h 15mDelta
Deal found 7/11£434
Sat 7/206:00LHR - LAX
1 stop17h 00mTAP AIR PORTUGAL
Thu 19/218:55LAX - LHR
1 stop18h 40mTAP AIR PORTUGAL
Deal found 8/11£435
Sat 25/408:40LHR - LAX
1 stop14h 10mMultiple Airlines
Sat 2/519:35LAX - LHR
Nonstop10h 25mMultiple Airlines
Deal found 8/11£450
Wed 11/217:20LHR - LAX
Nonstop11h 20mVirgin Atlantic
Sat 21/209:53LAX - LHR
1 stop16h 07mVirgin Atlantic
Deal found 7/11£450
Mon 24/1106:40LHR - LAX
2 stops18h 20mScandinavian Airlines
Mon 8/1219:30LAX - LHR
2 stops18h 05mScandinavian Airlines
Deal found 7/11£455
Wed 11/309:00LHR - LAX
1 stop15h 35mUnited Airlines
Mon 30/315:30LAX - LHR
Nonstop10h 40mUnited Airlines
Deal found 8/11£466
Mon 13/406:30LHR - LAX
1 stop13h 20mDelta
Tue 21/419:35LAX - LHR
Nonstop10h 25mDelta
Deal found 7/11£434
Sun 1/306:40LHR - LAX
2 stops18h 20mScandinavian Airlines
Sun 8/320:30LAX - LHR
2 stops18h 05mScandinavian Airlines
Deal found 7/11£466
Sat 7/206:20LHR - LAX
1 stop14h 50mVirgin Atlantic
Sun 15/222:30LAX - LHR
Nonstop10h 20mVirgin Atlantic
Deal found 8/11£475
Fri 6/217:20LHR - LAX
Nonstop11h 20mDelta
Sat 21/213:25LAX - LHR
1 stop12h 35mDelta
Deal found 7/11£450
Sat 7/206:40LHR - LAX
2 stops18h 20mScandinavian Airlines
Sat 28/219:30LAX - LHR
2 stops30h 05mScandinavian Airlines
Deal found 8/11£468
Wed 7/112:20LHR - LAX
1 stop18h 01mVirgin Atlantic
Fri 27/312:25LAX - LHR
1 stop13h 35mVirgin Atlantic
Deal found 8/11£476
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 9 November 2025.
Fri 17/410:50LHR - LAX
Nonstop11h 15mVirgin Atlantic
Mon 27/422:35LAX - LHR
Nonstop10h 25mVirgin Atlantic
Deal found 7/11£407
Sun 19/410:50LHR - LAX
Nonstop11h 15mDelta
Sun 3/516:05LAX - LHR
Nonstop10h 25mDelta
Deal found 8/11£415
Mon 20/410:50LHR - LAX
Nonstop11h 15mVirgin Atlantic
Wed 29/416:05LAX - LHR
Nonstop10h 25mVirgin Atlantic
Deal found 8/11£424
Mon 13/413:25LHR - LAX
Nonstop11h 15mVirgin Atlantic
Tue 21/416:05LAX - LHR
Nonstop10h 25mVirgin Atlantic
Deal found 7/11£426
Fri 17/410:50LHR - LAX
Nonstop11h 15mVirgin Atlantic
Fri 24/422:35LAX - LHR
Nonstop10h 25mVirgin Atlantic
Deal found 7/11£428
Thu 12/217:20LHR - LAX
Nonstop11h 20mVirgin Atlantic
Mon 23/222:30LAX - LHR
Nonstop10h 20mVirgin Atlantic
Deal found 7/11£428
Thu 5/211:20LHR - LAX
Nonstop11h 15mVirgin Atlantic
Mon 23/216:35LAX - LHR
Nonstop10h 20mVirgin Atlantic
Deal found 8/11£430
Mon 16/217:20LHR - LAX
Nonstop11h 20mVirgin Atlantic
Mon 23/216:35LAX - LHR
Nonstop10h 20mVirgin Atlantic
Deal found 7/11£433
Sat 11/413:25LHR - LAX
Nonstop11h 15mDelta
Thu 16/416:05LAX - LHR
Nonstop10h 25mDelta
Deal found 7/11£436
Wed 22/413:25LHR - LAX
Nonstop11h 15mVirgin Atlantic
Mon 27/422:35LAX - LHR
Nonstop10h 25mVirgin Atlantic
Deal found 7/11£441
Last-minute flights from Heathrow to Pasadena
Discover last-minute flight deals from Heathrow to Pasadena. Data last updated 9 November 2025 and is based on user searches.
Wed 19/1118:30LHR - LAX
1 stop28h 10mTAP AIR PORTUGAL
Sat 17/116:45LAX - LHR
1 stop18h 10mTAP AIR PORTUGAL
Deal found 7/11£424
Wed 26/1110:20LHR - LAX
1 stop14h 40mScandinavian Airlines
Sun 7/1219:30LAX - LHR
1 stop14h 10mScandinavian Airlines
Deal found 8/11£415
Wed 3/1213:40LHR - LAX
1 stop33h 00mTAP AIR PORTUGAL
Tue 9/1216:45LAX - LHR
1 stop21h 55mTAP AIR PORTUGAL
Deal found 7/11£418
Wed 3/1218:30LHR - LAX
1 stop28h 10mTAP AIR PORTUGAL
Thu 11/1216:45LAX - LHR
1 stop20h 50mTAP AIR PORTUGAL
Deal found 8/11£418
Sat 6/1206:00LHR - LAX
1 stop17h 00mTAP AIR PORTUGAL
Thu 11/1216:45LAX - LHR
1 stop21h 55mTAP AIR PORTUGAL
Deal found 7/11£407
Mon 8/1208:15LHR - LAX
1 stop38h 45mTAP AIR PORTUGAL
Thu 22/116:45LAX - LHR
1 stop18h 10mTAP AIR PORTUGAL
Deal found 7/11£400
Tue 9/1206:00LHR - LAX
1 stop17h 00mTAP AIR PORTUGAL
Thu 22/116:45LAX - LHR
1 stop16h 45mTAP AIR PORTUGAL
Deal found 7/11£409
Tue 9/1206:40LHR - LAX
1 stop18h 20mScandinavian Airlines
Tue 10/219:30LAX - LHR
1 stop18h 10mScandinavian Airlines
Deal found 7/11£413
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 9 November 2025.
Tue 28/406:00LHR - LAX
2 stops37h 39mAir Canada
Deal found 8/11£325
Mon 12/111:50LHR - LAX
Nonstop11h 30mFinnair
Deal found 7/11£326
Mon 12/113:45LHR - LAX
1 stop34h 50mSWISS
Deal found 6/11£327
Mon 12/108:20LHR - LAX
1 stop15h 41mBritish Airways
Deal found 8/11£327
Sat 10/115:35LHR - LAX
1 stop16h 56mBritish Airways
Deal found 6/11£328
Tue 27/112:30LHR - LAX
Nonstop11h 20mFinnair
Deal found 8/11£329
Fri 30/114:50LHR - LAX
2 stops25h 42mMultiple Airlines
Deal found 7/11£330
Thu 19/214:50LHR - LAX
2 stops37h 02mWestJet
Deal found 7/11£331
Thu 11/1209:55LHR - LAX
1 stop17h 15mMultiple Airlines
Deal found 7/11£333
Wed 7/118:00LHR - LAX
1 stop33h 09mAustrian Airlines
Deal found 7/11£333
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 9 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
Thu 16/4
06:30-14:50
1 stop16h 20m
Los Angeles
Tue 21/4
14:15-13:30
1 stop15h 15m
£434
LondonLos Angeles
LHR - LAX
LHRLAX
London Heathrow
Mon 13/4
06:30-11:50
1 stop13h 20m
Los Angeles
Tue 21/4
19:35-14:00
Nonstop10h 25m
£434
LondonLos Angeles
LHR - LAX
LHRLAX
London Heathrow
Sat 7/2
06:00-15:00
1 stop17h 00m
Los Angeles
Thu 19/2
18:55-21:35
1 stop18h 40m
£435
LondonLos Angeles
LHR - LAX
LHRLAX
London Heathrow
Sat 25/4
08:40-14:50
1 stop14h 10m
Los Angeles
Sat 2/5
19:35-14:00
Nonstop10h 25m
£450
LondonLos Angeles
LHR - LAX
LHRLAX
London Heathrow
Wed 11/2
17:20-20:40
Nonstop11h 20m
Los Angeles
Sat 21/2
09:53-10:00
1 stop16h 07m
£450
LondonLos Angeles
LHR - LAX
LHRLAX
London Heathrow
Fri 6/2
17:20-20:40
Nonstop11h 20m
Los Angeles
Sat 21/2
13:25-10:00
1 stop12h 35m
£450
LondonLos Angeles
LHR - LAX
LHRLAX
London Heathrow
Mon 24/11
06:40-17:00
2 stops18h 20m
Los Angeles
Mon 8/12
19:30-21:35
2 stops18h 05m
£455
LondonLos Angeles
LHR - LAX
LHRLAX
London Heathrow
Wed 11/3
09:00-17:35
1 stop15h 35m
Los Angeles
Mon 30/3
15:30-10:10
Nonstop10h 40m
£466
LondonLos Angeles
LHR - LAX
LHRLAX
London Heathrow
Sun 1/3
06:40-17:00
2 stops18h 20m
Los Angeles
Sun 8/3
20:30-21:35
2 stops18h 05m
£466
LondonLos Angeles
LHR - LAX
LHRLAX
London Heathrow
Sat 7/2
06:40-17:00
2 stops18h 20m
Los Angeles
Sat 28/2
19:30-09:35
2 stops30h 05m
£468
Flights are sorted by cheapest return flights first.
Deals found on 6/11
Showing 1-10 of 24 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 31 October 2025.
Booking 30 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 £346). Flying from London Heathrow Airport to Pasadena in July is currently the most expensive (average of £422). 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 9 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 24% 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 9 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 (48 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 9 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 16h 20m. Delta provides one of the quickest options available for as low as £434. 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?
£336 is the cheapest one-way deal found within the past few days, from Finnair. You may also be able to find cheap deals on Austrian Airlines and British Airways, with prices starting from £339 and £340, 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: KLM (87%), Air France (83%), Delta( 83%).
What are the cheapest flights from London Heathrow Airport to Pasadena?
While on average a flight from London Heathrow Airport to Pasadena is generally £2,584, our data shows the cheapest flight currently is £350. When looking at the most popular route, (London Heathrow - Los Angeles), you can expect to pay £350 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 £346). Flying from London Heathrow Airport to Pasadena in July is currently the most expensive (average of £422). 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 9 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 9 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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