
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $785 |
One-way from | $382 (Trip.com) |
Popular in | December |
Cheapest in | January |
Average price | $846 |
Good round-trip deal | $940 or less |
Good one-way deal | $659 or less |
Fly from
Fly to
Route
Depart
Return
LondonSan Diego
LHR - SAN
LHRSAN
London Heathrow
Mon 9/14
7:25 am-3:25 pm
1 stop16h 00m
San Diego
Mon 9/21
10:44 am-10:40 am
2 stops15h 56m
LondonSan Diego
LHR - SAN
LHRSAN
London Heathrow
Tue 9/8
7:25 am-6:35 pm
2 stops19h 10m
San Diego
Wed 9/16
8:00 am-7:45 am
1 stop15h 45m
LondonSan Diego
LCY - SAN
LCYSAN
London City
Tue 9/15
7:15 pm-6:30 pm
2 stops31h 15m
San Diego
Tue 9/22
10:44 am-12:35 pm
2 stops17h 51m
LondonSan Diego
LHR - SAN
LHRSAN
London Heathrow
Mon 9/7
2:25 pm-9:03 pm
1 stop14h 38m
San Diego
Thu 9/17
4:45 pm-11:30 am
Nonstop10h 45m
LondonSan Diego
LGW - SAN
LGWSAN
London Gatwick
Wed 9/9
9:20 am-10:10 pm
2 stops20h 50m
San Diego
Thu 9/17
6:40 am-8:25 am
2 stops17h 45m
LondonSan Diego
LHR - SAN
LHRSAN
London Heathrow
Mon 9/7
8:40 am-6:54 pm
2 stops18h 14m
San Diego
Thu 9/17
7:00 am-6:20 am
1 stop15h 20m
LondonSan Diego
LHR - SAN
LHRSAN
London Heathrow
Fri 9/18
9:30 am-8:36 pm
1 stop19h 06m
San Diego
Tue 9/22
12:33 pm-9:40 am
1 stop13h 07m
LondonSan Diego
LHR - SAN
LHRSAN
London Heathrow
Fri 9/18
2:30 pm-5:50 pm
Nonstop11h 20m
San Diego
Tue 9/22
7:40 pm-2:20 pm
Nonstop10h 40m
LondonSan Diego
LGW - SAN
LGWSAN
London Gatwick
Mon 9/14
2:00 pm-8:33 pm
1 stop38h 33m
San Diego
Mon 9/21
2:17 pm-6:20 am
1 stop32h 03m
LondonSan Diego
LGW - SAN
LGWSAN
London Gatwick
Fri 10/2
5:00 pm-12:02 pm
2 stops27h 02m
San Diego
Wed 10/14
11:05 am-4:00 pm
2 stops20h 55m
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*2 stars | |
| Price Accuracy2 stars | Trust Score*2 stars | |
| Price Accuracy1 star | Trust Score*3 stars |
The best time to book flights from London to San Diego is 31 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.
Currently, February is the cheapest month in which you can book a flight from London to San Diego (average of $460). Flying from London to San Diego in July is currently the most expensive (average of $607). 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 to San Diego, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.
About 15% of weekly flights between London and San Diego have experienced delays in the past year, with the average delay time being 152 minutes.
Historically, flights departing in the morning are less likely to be delayed, whereas flights leaving in the early afternoon tend to experience delays more often.
Tuesday tends to have the lowest number of delays on this route, whereas Friday has historically faced a higher average of delays compared to other days of the week.
Over the last year, British Airways have had the lowest number of delays on this route, with just 15% of flights being delayed.
Crew
Entertainment
Boarding
Comfort
Overall
Food
Reviews
Tim,Sep 2025
LHR - IAD
Crew
Entertainment
Boarding
Comfort
Overall
Food
Reviews
Tim,Sep 2025
LHR - IAD
Crew
Entertainment
Boarding
Comfort
Overall
Food
Reviews
Tim,Sep 2025
LHR - IAD
Crew
Entertainment
Boarding
Comfort
Overall
Food
Reviews
Tim,Sep 2025
LHR - IAD
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$605 | Average$813 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$641 | Average$886 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$664 | Average$1,019 | FlexibilityNo cancel fee | On-time71% |