Earn point on your loyalty program!arrow arc left

Cheap flights from London (LCY) to San Diego (SAN)

Know your dates, get live prices in seconds
airplane logo

pin logo

calendar
Departure
calendar backward
Return
airplane logo
1 Adults (11+)
0 Children (2~11)
0 Infants (0~2)
Save up to 31%
Book Flight + Hotel at the same time

How to find the cheapest flight from London (LCY) to San Diego (SAN)

How to find the cheapest flight from London (LCY) to San Diego (SAN)
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.
How to find the cheapest flight from London (LCY) to San Diego (SAN)
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.
How to find the cheapest flight from London (LCY) to San Diego (SAN)
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.

Cheap flights from London to San Diego in January , February 2026

30 Jan - 04 Feb $ 573.00
LCY
London
Swiss International Air Lines
2 STOPS
SAN
San Diego
SAN
San Diego
Swiss International Air Lines
2 STOPS
LCY
London
Pick dates
22 Jan - 05 Feb $ 2,191.00
LCY
London
Aer Lingus
2 STOPS
SAN
San Diego
SAN
San Diego
Aer Lingus
2 STOPS
LCY
London
Pick dates
21 Jan - 05 Feb $ 2,268.00
LCY
London
Aer Lingus
2 STOPS
SAN
San Diego
SAN
San Diego
Aer Lingus
2 STOPS
LCY
London
Pick dates

Last minute flights from London to San Diego

19 Jan - 01 Feb $ 1,160.00
LCY
London
Swiss International Air Lines
2 STOPS
SAN
San Diego
SAN
San Diego
Swiss International Air Lines
2 STOPS
LCY
London
Pick dates
22 Jan - 01 Feb $ 1,212.00
LCY
London
Swiss International Air Lines
2 STOPS
SAN
San Diego
SAN
San Diego
Swiss International Air Lines
2 STOPS
LCY
London
Pick dates
22 Jan - 01 Feb $ 1,222.00
LCY
London
Swiss International Air Lines
2 STOPS
SAN
San Diego
SAN
San Diego
Swiss International Air Lines
2 STOPS
LCY
London
Pick dates

One-way flights to San Diego from London

9:15 AM - 6:40 PM
Hawaiian Airlines
2 Stops
19h 7m
LCY - SAN
$ 898
Kiwi
Pick dates
5:40 PM - 9:30 PM
Swiss International Air Lines
2 Stops
37h 25m
LCY - SAN
$ 1,134
Kiwi
Pick dates
9:20 AM - 7:10 PM
United Airlines
2 Stops
19h 29m
LCY - SAN
$ 1,134
Kiwi
Pick dates

How to find the cheapest flight from London (LCY) to San Diego (SAN)

Related info for your journey
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.
How to find the cheapest flight from London (LCY) to San Diego (SAN)
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.
How to find the cheapest flight from London (LCY) to San Diego (SAN)
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.