Cheapest return flights from San Diego to London in December from 609€

AirHint found the following cheapest return flights from San Diego (SAN) to London (LHR) in December 2025 (see full year).

Return flights

28 Dec - 11 Jan United
23 Dec - 13 Jan Lufthansa
08 Dec - 15 Dec United
05 Dec - 07 Dec United
05 Dec - 07 Dec British Airways direct
27 Dec - 11 Jan United
28 Dec - 11 Jan British Airways direct
27 Dec - 10 Jan United
15 Dec - 26 Dec United
16 Dec - 30 Dec Lufthansa
27 Dec - 11 Jan British Airways direct
23 Dec - 13 Jan British Airways direct
16 Dec - 04 Jan Lufthansa
19 Dec - 05 Jan Air Canada
18 Dec - 16 Jan United
18 Dec - 25 Dec United
18 Dec - 25 Dec British Airways direct
19 Dec - 29 Dec Delta

Also check the deals for one-way flights from San Diego to London in December.

Skyscanner

The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

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