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

One-Way flights

17 Mar	WestJet
04 Mar	Air Canada
15 Mar	WestJet
27 Mar	jetBlue
17 Mar	Lufthansa	direct
04 Mar	Lufthansa	direct
15 Mar	United	direct
11 Mar	British Airways	direct
27 Mar	Lufthansa	direct
19 Mar	American Airlines	direct

Also check the deals for return flights from San Francisco 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 one-way flights from San Francisco to London in March from 195€

One-Way flights