Cheapest one-way flights from San Diego to London in December from $288

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

One-Way flights

05 Dec WestJet
07 Dec WestJet
06 Dec Alaska Airlines
29 Dec Hawaiian Airlines
30 Dec Iberia direct
08 Dec British Airways direct
08 Dec United
07 Dec Iberia direct
23 Dec jetBlue
06 Dec British Airways direct

Also check the deals for return 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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