Cheapest return flights from San Francisco to London in March from $519

Best time to book flights for San Francisco (SFO) to London (LGW) flights at AirHint

AirHint found the following cheapest return flights from San Francisco (SFO) to London (LGW) in March 2025 (see full year).

Return flights

03 Mar - 06 Mar TAP
03 Mar - 09 Mar TAP
24 Mar - 31 Mar TAP
20 Mar - 27 Mar Frontier Airlines
19 Mar - 26 Mar Brussels Airlines
20 Mar - 25 Mar Frontier Airlines
03 Mar - 10 Mar TAP
25 Mar - 01 Apr Air Canada
07 Mar - 09 Mar TAP
19 Mar - 31 Mar Air Canada
09 Mar - 25 Mar Scandinavian Airlines
27 Mar - 03 Apr Air Canada
31 Mar - 08 Apr SWISS
26 Mar - 01 Apr SWISS
23 Mar - 01 Apr SWISS
31 Mar - 14 Apr Brussels Airlines
19 Mar - 02 Apr Frontier Airlines
29 Mar - 02 Apr Frontier Airlines
30 Mar - 09 Apr Air Canada
30 Mar - 13 Apr Frontier Airlines

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

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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