Cheapest one-way flights from San Diego to London in December from $246

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

One-Way flights

05 Dec Frontier Airlines
09 Dec Alaska Airlines
03 Dec Hawaiian Airlines
15 Dec Hawaiian Airlines
31 Dec Hawaiian Airlines
02 Dec Alaska Airlines
24 Dec Alaska Airlines
16 Dec Hawaiian Airlines
19 Dec Frontier Airlines

Also check the deals for return 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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