Cheap flights to San Diego – Compare and Save

— SAN
4 May — 11 May1
1 adult
1 adult, Economy, 0 bags

Flights to San Diego in 2026

Find the latest flights to San Diego in 2026, with up-to-date prices and availability. In the last 7 days, Cheapflights users made a total of 858,174 searches and data was last updated on 4 April 2026.

Return from

£583

One-way from

£136

Popular in

December

Cheapest in

January

Average price

£618

Good round-trip deal

£665 or less

Good one-way deal

£439 or less
Lufthansa
  • Lufthansa
  • 28/4-5/5
  • 2 total stops
  • 29h 00m total
  • London to San Diego
Air France
  • Air France
  • 12/7
  • 1 total stop
  • 17h 04m total
  • London to San Diego
Highest demand for flights based on searches. 2% potential increase in price (£17 potential increase over avg. return price).
Cheapest flight prices on average. 3% potential price decrease (£20 potential savings vs. average return price).
Average for return flights in April 2026
Price to beat on a round-trip flight from London to San Diego.
Price to beat on a one-way flight from London to San Diego.

Find flight deals to San Diego

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Cheapest flights to San Diego
Explore the most affordable flight options available to San Diego. Find the lowest fares based on data from user searches, with prices last updated on 4 April 2026.

Wed 29/414:30
LHR
-
SAN
Nonstop11h 20m
British Airways
Thu 3/916:45
SAN
-
LHR
Nonstop10h 45m
British Airways
Deal found 3/4£567
Tue 28/407:25
LHR
-
SAN
1 stop16h 00m
Lufthansa
Tue 5/512:40
SAN
-
LHR
1 stop13h 00m
Lufthansa
Deal found 31/3£583
Mon 27/406:55
LHR
-
SAN
1 stop16h 30m
Multiple Airlines
Mon 4/508:00
SAN
-
LHR
1 stop14h 55m
Multiple Airlines
Deal found 30/3£585
Fri 30/1009:20
LHR
-
SAN
1 stop16h 34m
JetBlue
Fri 6/1121:30
SAN
-
LHR
1 stop15h 15m
JetBlue
Deal found 2/4£585
Fri 1/508:00
LHR
-
SAN
1 stop15h 33m
United Airlines
Wed 2/922:20
SAN
-
LHR
1 stop15h 00m
United Airlines
Deal found 3/4£586
Sat 2/510:35
LHR
-
SAN
1 stop15h 58m
United Airlines
Fri 4/922:20
SAN
-
LHR
1 stop15h 05m
United Airlines
Deal found 3/4£587
Wed 29/414:30
LHR
-
SAN
Nonstop11h 20m
British Airways
Fri 4/916:45
SAN
-
LHR
Nonstop10h 45m
British Airways
Deal found 3/4£589
Thu 30/411:55
LHR
-
SAN
1 stop16h 09m
JetBlue
Wed 2/920:30
SAN
-
LHR
1 stop16h 15m
JetBlue
Deal found 3/4£589
Mon 31/813:35
LHR
-
SAN
1 stop33h 50m
Lufthansa
Tue 8/911:00
SAN
-
LHR
1 stop16h 10m
Lufthansa
Deal found 3/4£592
Wed 16/907:25
LHR
-
SAN
1 stop16h 00m
Lufthansa
Wed 30/912:45
SAN
-
LHR
1 stop12h 55m
Lufthansa
Deal found 30/3£597
Wed 29/406:55
LHR
-
SAN
1 stop16h 30m
Multiple Airlines
Mon 4/510:46
SAN
-
LHR
1 stop17h 09m
Multiple Airlines
Deal found 30/3£598
Wed 29/409:15
LHR
-
SAN
1 stop19h 35m
American Airlines
Fri 4/911:09
SAN
-
LHR
1 stop17h 01m
American Airlines
Deal found 3/4£598

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