Cheapest one-way flights from San Francisco to London in June from $348

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

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

One-Way flights

27 Jun Sun Country Airlines
25 Jun Alaska Airlines
18 Jun Frontier Airlines
17 Jun Frontier Airlines
23 Jun Frontier Airlines
22 Jun Frontier Airlines
20 Jun Frontier Airlines
28 Jun Alaska Airlines
21 Jun Frontier Airlines
09 Jun Flair Airlines

Also check the deals for return flights from San Francisco to London in June.

Skyscanner

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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