Cheapest return flights from San Francisco to London in March from 437€

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

Return flights

09 Mar - 22 Mar TAP
12 Mar - 16 Mar Scandinavian Airlines
10 Mar - 17 Mar Scandinavian Airlines
25 Mar - 31 Mar Aer Lingus
03 Mar - 10 Mar United
21 Mar - 29 Mar Air Canada
03 Mar - 10 Mar British Airways direct
10 Mar - 17 Mar British Airways direct
25 Mar - 31 Mar British Airways direct
13 Mar - 20 Mar United
12 Mar - 08 Apr United
12 Mar - 08 Apr British Airways direct
27 Mar - 05 Apr 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.

Book a cheap hotel in London

Cheap car rent in London

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