
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $603 (Trip.com) |
One-way from | $367 (Kiwi.com) |
Popular in | December |
Cheapest in | January |
Average price | $691 |
Good round-trip deal | $789 or less |
Good one-way deal | $611 or less |
Fly from
Fly to
Route
Depart
Return
Price
LondonSan Diego
LHR - SAN
LHRSAN
London Heathrow
Wed 4/22
7:25 am-3:25 pm
1 stop16h 00m
San Diego
Sun 4/26
8:37 pm-8:40 pm
2 stops16h 03m
LondonSan Diego
LGW - SAN
LGWSAN
London Gatwick
Mon 3/9
2:00 pm-7:05 pm
1 stop36h 05m
San Diego
Mon 3/23
10:02 pm-10:00 am
1 stop28h 58m
LondonSan Diego
LHR - SAN
LHRSAN
London Heathrow
Wed 4/1
7:25 am-6:38 pm
2 stops19h 13m
San Diego
Sun 4/19
7:14 pm-8:40 pm
2 stops17h 26m
LondonSan Diego
LHR - SAN
LHRSAN
London Heathrow
Mon 4/27
12:15 pm-8:43 pm
1 stop16h 28m
San Diego
Sun 5/3
7:40 pm-2:20 pm
Nonstop10h 40m
LondonSan Diego
LCY - SAN
LCYSAN
London City
Mon 4/13
8:15 pm-11:50 am
1 stop23h 35m
San Diego
Tue 4/28
1:40 pm-7:45 pm
1 stop22h 05m
LondonSan Diego
LHR - SAN
LHRSAN
London Heathrow
Thu 3/12
9:30 am-9:03 pm
2 stops18h 33m
San Diego
Wed 3/18
10:30 pm-9:20 pm
2 stops15h 50m
LondonSan Diego
LGW - SAN
LGWSAN
London Gatwick
Tue 4/7
9:25 am-10:59 pm
2 stops21h 34m
San Diego
Tue 4/14
10:52 am-8:25 am
2 stops37h 33m
LondonSan Diego
LHR - SAN
LHRSAN
London Heathrow
Fri 4/10
3:05 pm-12:00 pm
1 stop28h 55m
San Diego
Sat 5/9
8:00 am-6:55 am
1 stop14h 55m
LondonSan Diego
LHR - SAN
LHRSAN
London Heathrow
Fri 4/10
2:45 pm-11:33 pm
1 stop16h 48m
San Diego
Sat 5/9
4:45 pm-11:30 am
Nonstop10h 45m
LondonSan Diego
LCY - SAN
LCYSAN
London City
Tue 4/7
9:20 am-8:45 pm
2 stops19h 25m
San Diego
Tue 4/14
1:40 pm-5:20 pm
1 stop19h 40m
| 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 53 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, December is the cheapest month in which you can book a flight from London to San Diego (average of $444). Flying from London to San Diego in July is currently the most expensive (average of $554). 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.
The most flights from LON to SAN are scheduled on a Monday (6 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (1 on average).
About 16% of weekly flights between London and San Diego have experienced delays in the past year, with the average delay time being 154 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 16% of flights being delayed.
Crew
Entertainment
Overall
Boarding
Food
Comfort
Reviews
Tim,Sep 2025
LHR - IAD
Crew
Entertainment
Overall
Boarding
Food
Comfort
Reviews
Tim,Sep 2025
LHR - IAD
Crew
Entertainment
Overall
Boarding
Food
Comfort
Reviews
Tim,Sep 2025
LHR - IAD
Crew
Entertainment
Overall
Boarding
Food
Comfort
Reviews
Tim,Sep 2025
LHR - IAD
Crew
Entertainment
Overall
Boarding
Food
Comfort
Reviews
Tim,Sep 2025
LHR - IAD
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$569 | Average$942 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$637 | Average$748 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$640 | Average$847 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$664 | Average$851 | FlexibilityNo cancel fee | On-time71% |