
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $821 (Priceline) |
One-way from | $293 (Trip.com) |
Popular in | June |
Cheapest in | September |
Average price | $1,103 |
Good round-trip deal | $679 or less |
Good one-way deal | $287 or less |
Fly from
Fly to
Route
Depart
Return
OntarioLondon
ONT - LHR
ONTLHR
Ontario
Mon 11/9
12:00 pm-9:00 am
1 stop13h 00m
London Heathrow
Wed 11/18
10:45 am-4:12 pm
1 stop13h 27m
San FranciscoLondon
SFO - STN
SFOSTN
San Francisco
Fri 10/9
6:45 pm-10:10 pm
1 stop19h 25m
London Stansted
Wed 10/14
10:50 am-4:40 pm
1 stop37h 50m
San FranciscoLondon
SFO - LGW
SFOLGW
San Francisco
Sun 10/4
3:05 pm-4:00 pm
1 stop16h 55m
London Gatwick
Sat 10/10
10:25 am-10:51 pm
2 stops20h 26m
San FranciscoLondon
SFO - STN
SFOSTN
San Francisco
Wed 9/16
6:45 pm-10:10 pm
1 stop19h 25m
London Stansted
Wed 9/30
10:50 am-4:40 pm
1 stop37h 50m
Los AngelesLondon
LAX - STN
LAXSTN
Los Angeles Los Angeles
Wed 11/4
1:45 pm-4:20 pm
1 stop18h 35m
London Stansted
Tue 11/10
5:20 pm-10:50 am
1 stop25h 30m
San FranciscoLondon
SFO - LHR
SFOLHR
San Francisco
Thu 9/17
12:55 pm-7:25 am
Nonstop10h 30m
London Heathrow
Mon 9/21
4:15 pm-7:15 pm
Nonstop11h 00m
San FranciscoLondon
SFO - LHR
SFOLHR
San Francisco
Sat 9/5
5:55 pm-12:15 pm
Nonstop10h 20m
London Heathrow
Sun 9/20
12:45 pm-3:45 pm
Nonstop11h 00m
San FranciscoLondon
SFO - LHR
SFOLHR
San Francisco
Fri 9/18
3:16 pm-1:05 pm
1 stop13h 49m
London Heathrow
Sat 9/26
12:45 pm-3:45 pm
Nonstop11h 00m
San FranciscoLondon
SFO - LHR
SFOLHR
San Francisco
Thu 8/27
10:40 am-3:35 pm
1 stop20h 55m
London Heathrow
Sat 9/12
12:45 pm-3:45 pm
Nonstop11h 00m
OntarioLondon
ONT - LHR
ONTLHR
Ontario
Fri 10/16
1:00 pm-10:00 am
1 stop13h 00m
London Heathrow
Tue 10/27
8:55 am-6:18 pm
1 stop16h 23m
Currently, February is the cheapest month in which you can book a flight from California to London (average of $648). Flying from California to London in June is currently the most expensive (average of $1,294). 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.
A simple way to save on the total cost of your ticket is to fly from California to London at noon. If you’re flexible enough to do this you can expect to save up to 19% on your trip compared to booking a flight in the morning.
The most flights from USCA to LON are scheduled on a Monday (54 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (48 on average).
The best time to book flights from California to London is 29 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.
Travelers seeking maximum savings on their California to London flight should consider departing on Wednesday at noon 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.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$151 | Average$1,022 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$291 | Average$1,140 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$333 | Average$683 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$400 | Average$775 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$426 | Average$556 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$474 | Average$736 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$485 | Average$815 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$490 | Average$862 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$495 | Average$1,058 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$513 | Average$892 | FlexibilityNo cancel fee | On-timeN/A |