Cheapest return flights from San Francisco to London in March from 638€

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

Return flights

24 Mar - 09 Apr Aer Lingus
29 Mar - 14 Apr Aer Lingus
30 Mar - 07 Apr Aer Lingus
31 Mar - 08 Apr Aer Lingus
25 Mar - 08 Apr Lufthansa
25 Mar - 01 Apr Lufthansa
25 Mar - 10 Apr Lufthansa
25 Mar - 07 Apr Lufthansa
22 Mar - 01 Apr Lufthansa
25 Mar - 24 Apr Lufthansa
23 Mar - 30 Mar SWISS
25 Mar - 30 Mar Air Canada
24 Mar - 30 Mar Lufthansa
21 Mar - 30 Mar KLM
22 Mar - 29 Mar KLM
24 Mar - 30 Mar British Airways direct
21 Mar - 29 Mar Virgin Atlantic
23 Mar - 29 Mar SWISS
26 Mar - 31 Mar Delta
21 Mar - 28 Mar KLM

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

Powered by

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.

Book a cheap hotel in London

Cheap car rent in London

Feel free to contact us with any feedback or request another flight research.