Cheapest return flights from San Francisco to London in June from $763

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

18 Jun - 23 Jun WestJet
04 Jun - 11 Jun WestJet
11 Jun - 22 Jun WestJet
04 Jun - 12 Jun Delta
09 Jun - 16 Jun WestJet
10 Jun - 22 Jun Flair Airlines
05 Jun - 19 Jun Delta
08 Jun - 17 Jun Frontier Airlines
09 Jun - 30 Jun WestJet
22 Jun - 13 Jul WestJet
01 Jun - 14 Jun jetBlue
28 Jun - 08 Jul WestJet
10 Jun - 02 Jul Virgin Atlantic
24 Jun - 01 Jul WestJet
21 Jun - 02 Jul Porter Airlines (Canada) Ltd
24 Jun - 03 Jul Flair Airlines
18 Jun - 05 Jul WestJet
18 Jun - 06 Jul WestJet
25 Jun - 16 Jul WestJet
29 Jun - 13 Jul WestJet

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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