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Round-trip from | £359 |
---|---|
One-way from | £293 |
Popular in | December |
Cheapest in | September |
Average price | £483 |
Good round-trip deal | £426 or less |
Good one-way deal | £401 or less |
Fly from
Fly to
Route
Depart
Return
Price
LondonOntario
LHR - ONT
LHRONT
London Heathrow
Tue 23/12
06:20-17:08
2 stops18h 48m
Ontario
Mon 29/12
13:15-10:00
1 stop12h 45m
LondonBurbank
LHR - BUR
LHRBUR
London Heathrow
Fri 6/3
17:05-16:22
2 stops31h 17m
Burbank Bob Hope
Tue 10/3
12:45-09:00
1 stop13h 15m
LondonSanta Ana
LHR - SNA
LHRSNA
London Heathrow
Thu 25/12
12:20-22:04
2 stops17h 44m
Santa Ana J. Wayne/Orange Cnty
Thu 1/1
07:15-10:30
1 stop19h 15m
LondonLong Beach
LHR - LGB
LHRLGB
London Heathrow
Wed 15/4
12:25-16:21
2 stops35h 56m
Long Beach Municipal
Wed 6/5
12:59-07:15
2 stops34h 16m
LondonOntario
LHR - ONT
LHRONT
London Heathrow
Sun 11/1
10:45-16:19
1 stop13h 34m
Ontario
Fri 7/8
13:00-09:50
1 stop12h 50m
LondonOntario
LHR - ONT
LHRONT
London Heathrow
Sun 11/1
12:30-21:14
1 stop16h 44m
Ontario
Wed 5/8
11:55-09:00
1 stop13h 05m
LondonOntario
LHR - ONT
LHRONT
London Heathrow
Sun 11/1
10:45-16:19
1 stop13h 34m
Ontario
Thu 6/8
11:55-09:00
1 stop13h 05m
LondonOntario
LHR - ONT
LHRONT
London Heathrow
Fri 9/1
08:55-21:14
1 stop20h 19m
Ontario
Fri 24/4
17:05-09:50
1 stop32h 45m
LondonSanta Ana
LHR - SNA
LHRSNA
London Heathrow
Fri 27/3
08:55-18:50
1 stop16h 55m
Santa Ana J. Wayne/Orange Cnty
Tue 31/3
11:00-14:15
1 stop19h 15m
LondonOntario
LHR - ONT
LHRONT
London Heathrow
Sat 10/1
12:30-21:14
1 stop16h 44m
Ontario
Sat 25/4
13:00-09:50
1 stop12h 50m
Currently, December is the cheapest month in which you can book a flight from London Heathrow Airport to California (average of £338). Flying from London Heathrow Airport to California in July is currently the most expensive (average of £415). 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.
When flying from London Heathrow Airport to California, the time of day you fly usually plays a role in the price. Save by searching for a flight in the morning, which can drop the price by up to 16% versus a flight at midday.
Travellers seeking maximum savings on their London Heathrow Airport to California flight should consider departing on Wednesday afternoons when fares are most often at their lowest. Saturday at midday flights should be avoided if possible as fares are typically the most expensive at this time.
Boarding
Overall
Comfort
Crew
Entertainment
Food
Reviews
Abisola,Oct 2025
LOS - CDG
Boarding
Overall
Comfort
Crew
Entertainment
Food
Reviews
Abisola,Oct 2025
LOS - CDG
Boarding
Overall
Comfort
Crew
Entertainment
Food
Reviews
Abisola,Oct 2025
LOS - CDG
Boarding
Overall
Comfort
Crew
Entertainment
Food
Reviews
Abisola,Oct 2025
LOS - CDG
Boarding
Overall
Comfort
Crew
Entertainment
Food
Reviews
Abisola,Oct 2025
LOS - CDG
Boarding
Overall
Comfort
Crew
Entertainment
Food
Reviews
Abisola,Oct 2025
LOS - CDG
Cheapflights helps you search for flights from Heathrow to California via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.
Cheapflights simply makes it quick and affordable to book flights from Heathrow to California by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.
Cheapflights does show flights with no change fees to all users. To see these options for flights from Heathrow to California, users can toggle the no change fees filter when performing a flight search.
Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to California from Heathrow today and book when prices fit your budget.