Cheapest return flights from San Francisco to London in June from $659

Best time to book flights for San Francisco (SFO) to London (LGW) flights at AirHint

AirHint found the following cheapest return flights from San Francisco (SFO) to London (LGW) in June 2025 (see full year).

Return flights

10 Jun - 18 Jun Air Canada
10 Jun - 24 Jun WestJet
03 Jun - 10 Jun Air Canada
06 Jun - 17 Jun Air Canada
11 Jun - 24 Jun Flair Airlines
11 Jun - 22 Jun Flair Airlines
05 Jun - 12 Jun Frontier Airlines
17 Jun - 24 Jun WestJet
01 Jun - 15 Jun WestJet
05 Jun - 11 Jun Frontier Airlines
24 Jun - 11 Jul Flair Airlines
20 Jun - 07 Jul Air Canada
16 Jun - 07 Jul Air Canada
16 Jun - 01 Jul Air Canada
24 Jun - 01 Jul Vueling Airlines
29 Jun - 09 Jul Vueling Airlines
14 Jun - 11 Jul WestJet
22 Jun - 10 Jul Air Canada
26 Jun - 02 Jul Porter Airlines (Canada) Ltd
29 Jun - 13 Jul Sun Country Airlines

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

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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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