Cheapest return flights from San Francisco to London in March from $515

AirHint found the following cheapest return flights from San Francisco (SFO) to London (LHR) in March 2026 (see full year).

Return flights

09 Mar - 16 Mar Scandinavian Airlines
12 Mar - 24 Mar Scandinavian Airlines
15 Mar - 22 Mar Scandinavian Airlines
12 Mar - 24 Mar British Airways direct
09 Mar - 16 Mar Iberia direct
15 Mar - 22 Mar Iberia direct
17 Mar - 20 Mar jetBlue
17 Mar - 20 Mar British Airways direct

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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