Cheapest return flights from San Diego to London in December from 689€

Best time to book flights for San Diego (SAN) to London (LHR) flights at AirHint

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

Return flights

26 Dec - 09 Jan Finnair
26 Dec - 09 Jan British Airways direct
17 Dec - 23 Dec British Airways
26 Dec - 07 Jan Finnair
26 Dec - 07 Jan British Airways direct
20 Dec - 10 Jan Delta
25 Dec - 02 Jan Lufthansa
12 Dec - 03 Jan United
20 Dec - 10 Jan British Airways direct
16 Dec - 04 Jan United
25 Dec - 02 Jan British Airways direct
17 Dec - 23 Dec British Airways direct

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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