Cheapest return flights from San Diego to London in December from 474€

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

Return flights

03 Dec - 10 Dec British Airways
08 Dec - 23 Dec British Airways direct
02 Dec - 16 Dec Delta
08 Dec - 15 Dec British Airways
11 Dec - 15 Dec British Airways
01 Dec - 05 Dec British Airways direct
02 Dec - 05 Dec British Airways direct
13 Dec - 20 Dec United
23 Dec - 30 Dec Lufthansa
01 Dec - 01 Jan Delta
18 Dec - 25 Dec British Airways
24 Dec - 03 Jan Lufthansa
23 Dec - 05 Jan United
22 Dec - 02 Jan Delta
27 Dec - 03 Jan Delta
23 Dec - 03 Jan Delta
21 Dec - 04 Jan Delta
01 Dec - 01 Jan British Airways direct
23 Dec - 05 Jan British Airways direct
23 Dec - 03 Jan British Airways direct

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

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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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