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

Return flights

03 Jun - 10 Jun	WestJet
01 Jun - 12 Jun	Flair Airlines
10 Jun - 18 Jun	TAP
09 Jun - 21 Jun	TAP
11 Jun - 18 Jun	TAP
11 Jun - 22 Jun	WestJet
11 Jun - 21 Jun	WestJet
15 Jun - 01 Jul	TAP
10 Jun - 26 Jun	WestJet
06 Jun - 14 Jun	TAP
05 Jun - 13 Jun	TAP
10 Jun - 01 Jul	TAP
29 Jun - 06 Jul	jetBlue
27 Jun - 10 Jul	Alaska Airlines
21 Jun - 06 Jul	jetBlue
19 Jun - 09 Jul	Flair Airlines
13 Jun - 05 Jul	WestJet
21 Jun - 09 Jul	Alaska Airlines
26 Jun - 22 Jul	TAP
25 Jun - 14 Jul	TAP

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

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 return flights from San Francisco to London in June from $852

Return flights