Cheapest return flights from San Diego to London in December from 804€

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

Return flights

18 Dec - 16 Jan Alaska Airlines
23 Dec - 13 Jan Sun Country Airlines
24 Dec - 01 Jan Sun Country Airlines
19 Dec - 05 Jan WestJet
20 Dec - 27 Dec SWISS
19 Dec - 27 Dec Air Canada
20 Dec - 31 Dec Alaska Airlines

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.

Book a cheap hotel in London

Cheap car rent in London

Feel free to contact us with any feedback or request another flight research.