Cheapest one-way flights from San Francisco to London in March from 379€

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

One-Way flights

30 Mar Aer Lingus
25 Mar SWISS
29 Mar Aer Lingus
23 Mar Aer Lingus
24 Mar Aer Lingus
30 Mar Austrian Airlines direct
29 Mar Austrian Airlines direct
31 Mar Aer Lingus
22 Mar Lufthansa
21 Mar Lufthansa

Also check the deals for return flights from San Francisco to London in March.

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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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