Cheapest return flights from San Francisco to London in June from $619

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

03 Jun - 16 Jun Air Canada
05 Jun - 12 Jun Frontier Airlines
04 Jun - 07 Jun Alaska Airlines
03 Jun - 12 Jun Hawaiian Airlines
02 Jun - 10 Jun Flair Airlines
11 Jun - 18 Jun Hawaiian Airlines
02 Jun - 09 Jun Frontier Airlines
09 Jun - 12 Jun Frontier Airlines
01 Jun - 04 Jun Alaska Airlines
07 Jun - 19 Jun Frontier Airlines
24 Jun - 01 Jul Frontier Airlines
19 Jun - 02 Jul Frontier Airlines
25 Jun - 03 Jul Frontier Airlines
27 Jun - 04 Jul Frontier Airlines
23 Jun - 04 Jul Frontier Airlines
16 Jun - 02 Jul WestJet
21 Jun - 02 Jul Frontier Airlines
22 Jun - 01 Jul Flair Airlines
27 Jun - 05 Jul Frontier Airlines
26 Jun - 03 Jul Frontier 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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