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Round-trip from | £358 |
---|---|
One-way from | £269 |
Popular in | December |
Cheapest in | September |
Average price | £477 |
Good round-trip deal | £388 or less |
Good one-way deal | £437 or less |
Fly from
Fly to
Route
Depart
Return
Price
LondonSan Francisco
LHR - SFO
LHRSFO
London Heathrow
Fri 14/11
06:40-14:35
1 stop15h 55m
San Francisco
Sun 16/11
16:40-17:40
1 stop17h 00m
LondonSan Francisco
LHR - SFO
LHRSFO
London Heathrow
Sat 21/2
06:40-14:35
1 stop15h 55m
San Francisco
Sun 1/3
16:40-18:50
2 stops18h 10m
LondonSan Francisco
LHR - SFO
LHRSFO
London Heathrow
Tue 10/3
06:40-15:35
1 stop15h 55m
San Francisco
Tue 17/3
17:40-18:50
2 stops18h 10m
LondonSan Francisco
LHR - SFO
LHRSFO
London Heathrow
Mon 9/3
19:30-15:35
1 stop27h 05m
San Francisco
Mon 16/3
17:40-18:50
2 stops18h 10m
LondonSan Francisco
LHR - SFO
LHRSFO
London Heathrow
Sat 7/3
15:35-14:35
2 stops31h 00m
San Francisco
Sat 14/3
17:40-18:50
2 stops18h 10m
LondonSan Francisco
LHR - SFO
LHRSFO
London Heathrow
Mon 17/11
13:45-16:30
1 stop34h 45m
San Francisco
Mon 1/12
12:50-07:25
Nonstop10h 35m
LondonLos Angeles
LHR - LAX
LHRLAX
London Heathrow
Sat 13/12
20:50-18:10
1 stop29h 20m
Los Angeles
Sun 15/2
19:55-09:10
1 stop29h 15m
LondonLos Angeles
LHR - LAX
LHRLAX
London Heathrow
Mon 10/11
09:00-16:35
1 stop15h 35m
Los Angeles
Mon 24/11
08:30-07:10
1 stop14h 40m
LondonSan Francisco
LHR - SFO
LHRSFO
London Heathrow
Mon 17/11
09:00-16:30
1 stop15h 30m
San Francisco
Mon 1/12
16:15-13:30
1 stop13h 15m
LondonSan Francisco
LHR - SFO
LHRSFO
London Heathrow
Wed 4/2
09:00-16:30
1 stop15h 30m
San Francisco
Wed 18/2
13:20-11:50
1 stop14h 30m
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 15% 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.
The most flights from LHR to USCA 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).
Comfort
Food
Crew
Overall
Entertainment
Boarding
Reviews
Abisola,Oct 2025
LOS - CDG
Comfort
Food
Crew
Overall
Entertainment
Boarding
Reviews
Abisola,Oct 2025
LOS - CDG
Comfort
Food
Crew
Overall
Entertainment
Boarding
Reviews
Abisola,Oct 2025
LOS - CDG
Comfort
Food
Crew
Overall
Entertainment
Boarding
Reviews
Abisola,Oct 2025
LOS - CDG
Comfort
Food
Crew
Overall
Entertainment
Boarding
Reviews
Abisola,Oct 2025
LOS - CDG
Comfort
Food
Crew
Overall
Entertainment
Boarding
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.