Cheapest return flights from San Francisco to London in April from 473€

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

Return flights

07 Apr - 22 Apr TAP
16 Apr - 30 Apr TAP
07 Apr - 14 Apr TAP
16 Apr - 21 Apr TAP
09 Apr - 23 Apr TAP
07 Apr - 21 Apr TAP
07 Apr - 23 Apr TAP
07 Apr - 15 Apr TAP
07 Apr - 16 Apr TAP
23 Apr - 04 May TAP
09 Apr - 07 May TAP
21 Apr - 05 May TAP
25 Apr - 05 May TAP
25 Apr - 15 May TAP
18 Apr - 25 Apr TAP
16 Apr - 02 May TAP
21 Apr - 05 May British Airways direct
25 Apr - 15 May British Airways direct
23 Apr - 04 May British Airways direct

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

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.