Earn point on your loyalty program!arrow arc left

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

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 San Diego (SAN) to London (LCY)

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

Cheap flights from San Diego to London in April , May 2026

25 Apr - 27 May $ 1,350.00
SAN
San Diego
Frontier Airlines
1 STOPS
LCY
London
LCY
London
Frontier Airlines
2 STOPS
SAN
San Diego
Pick dates
11 Apr - 08 May $ 2,188.00
SAN
San Diego
Aer Lingus
1 STOPS
LCY
London
LCY
London
Aer Lingus
2 STOPS
SAN
San Diego
Pick dates
11 Apr - 05 May $ 2,188.00
SAN
San Diego
Aer Lingus
1 STOPS
LCY
London
LCY
London
Aer Lingus
2 STOPS
SAN
San Diego
Pick dates

Last minute flights from San Diego to London

28 Apr - 30 Apr $ 1,408.00
SAN
San Diego
Alaska Airlines
2 STOPS
LCY
London
LCY
London
Alaska Airlines
2 STOPS
SAN
San Diego
Pick dates
22 Apr - 30 Apr $ 1,437.00
SAN
San Diego
Alaska Airlines
2 STOPS
LCY
London
LCY
London
Alaska Airlines
2 STOPS
SAN
San Diego
Pick dates
25 Apr - 30 Apr $ 1,625.00
SAN
San Diego
Frontier Airlines
1 STOPS
LCY
London
LCY
London
Frontier Airlines
3 STOPS
SAN
San Diego
Pick dates

One-way flights to London from San Diego

6:20 AM - 8:00 AM
Swiss International Air Lines
2 Stops
18h 20m
SAN - LCY
$ 531
Kiwi
Pick dates
9:45 PM - 11:55 AM
United Airlines
2 Stops
30h 50m
SAN - LCY
$ 748
Kiwi
Pick dates
1:40 PM - 1:05 PM
KLM Royal Dutch Airlines
1 Stops
15h 35m
SAN - LCY
$ 787
Kiwi
Pick dates

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

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