Cheap flights from London Heathrow Airport to Pasadena from £250
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 18/9. Fares are subject to change and may not be available on all flights or dates of travel.
Cheapflights Tip: The best prices from London Heathrow to Pasadena are usually found in March or February, booked 7 days in advance, depart on a Wednesday or Tuesday and return on a Tuesday
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 8 juillet 2025.
Find flight deals from Heathrow to Pasadena
Cheapest flights from Heathrow to PasadenaExplore 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 8 juillet 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 8 juillet 2025.
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 8 juillet 2025.
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
LondonLos Angeles
LHR - LAX
LHRLAX
London Heathrow
jeu. 28/8
07:25-15:15
1 stop15h 50m
Los Angeles
mer. 10/9
18:40-16:40
1 stop14h 00m
LondonLos Angeles
LHR - LAX
LHRLAX
London Heathrow
jeu. 28/8
06:30-11:50
1 stop13h 20m
Los Angeles
mer. 10/9
22:50-17:15
Nonstop10h 25m
LondonLos Angeles
LHR - LAX
LHRLAX
London Heathrow
sam. 1/11
06:00-16:00
1 stop17h 00m
Los Angeles
mar. 11/11
16:45-17:30
1 stop16h 45m
LondonLos Angeles
LHR - LAX
LHRLAX
London Heathrow
jeu. 28/8
06:00-16:30
1 stop18h 30m
Los Angeles
mer. 10/9
18:40-20:40
1 stop18h 00m
LondonLos Angeles
LHR - LAX
LHRLAX
London Heathrow
jeu. 28/8
09:55-13:15
Nonstop11h 20m
Los Angeles
mer. 10/9
22:50-17:15
Nonstop10h 25m
LondonLos Angeles
LHR - LAX
LHRLAX
London Heathrow
mer. 5/11
07:05-17:00
2 stops17h 55m
Los Angeles
lun. 10/11
19:30-18:30
1 stop15h 00m
LondonLos Angeles
LHR - LAX
LHRLAX
London Heathrow
ven. 21/11
08:55-16:30
1 stop15h 35m
Los Angeles
lun. 24/11
19:10-19:15
1 stop16h 05m
LondonLos Angeles
LHR - LAX
LHRLAX
London Heathrow
sam. 30/8
19:30-13:05
1 stop25h 35m
Los Angeles
lun. 15/9
16:40-11:10
Nonstop10h 30m
LondonLos Angeles
LHR - LAX
LHRLAX
London Heathrow
jeu. 28/8
08:40-16:30
1 stop15h 50m
Los Angeles
mer. 10/9
11:45-10:25
1 stop14h 40m
LondonLos Angeles
LHR - LAX
LHRLAX
London Heathrow
jeu. 2/10
11:40-14:55
Nonstop11h 15m
Los Angeles
mar. 31/3
15:40-10:05
Nonstop10h 25m
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.
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 27 June 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, January is the cheapest month in which you can book a flight from London Heathrow Airport to Pasadena (average of £575). 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 8 juillet 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 8 juillet 2025.
The most flights from LHR to P4S are scheduled on a Friday (54 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (53 on average).
How much does it cost for a return flight from London Heathrow Airport to Pasadena?
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 8 juillet 2025.
Read through reviews of airlines operating flights from London Heathrow Airport to Pasadena, such as KLM, Austrian Airlines, andFinnair. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Crew
Food
Overall
Boarding
Comfort
Entertainment
Reviews
Anonymous,Jun 2025
AMS - BOS
Crew
Food
Overall
Boarding
Comfort
Entertainment
Reviews
Anonymous,Jun 2025
AMS - BOS
Crew
Food
Overall
Boarding
Comfort
Entertainment
Reviews
Anonymous,Jun 2025
AMS - BOS
Crew
Food
Overall
Boarding
Comfort
Entertainment
Reviews
Anonymous,Jun 2025
AMS - BOS
Crew
Food
Overall
Boarding
Comfort
Entertainment
Reviews
Anonymous,Jun 2025
AMS - BOS
Crew
Food
Overall
Boarding
Comfort
Entertainment
Reviews
Anonymous,Jun 2025
AMS - BOS
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.
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Alternative routes for Heathrow to Pasadena
See prices for flight routes from nearby airports that may be better suited for you.
Top 10 airlines flying from Heathrow to Pasadena
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 8 juillet 2025.
Fly with Cheapflights
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.