AirHint found the following cheapest return flights from San Diego (SAN) to London (LGW) in March 2026 (see full year).

Return flights

02 Mar - 09 Mar	Alaska Airlines
05 Mar - 15 Mar	Hawaiian Airlines
08 Mar - 15 Mar	Scandinavian Airlines
15 Mar - 04 Apr	Hawaiian Airlines
14 Mar - 04 Apr	Hawaiian Airlines
22 Mar - 11 Apr	Hawaiian Airlines
04 Mar - 23 Mar	Alaska Airlines
28 Mar - 11 Apr	jetBlue
01 Mar - 31 Mar	Alaska Airlines
15 Mar - 27 Mar	Hawaiian Airlines

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

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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Cheapest return flights from San Diego to London in March from 606€

Return flights