Cheapest one-way flights from San Francisco to London in August from $272

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

One-Way flights

16 Aug Frontier Airlines
24 Aug Hawaiian Airlines
10 Aug Hawaiian Airlines
06 Aug Frontier Airlines
13 Aug Frontier Airlines
07 Aug TAP
21 Aug Alaska Airlines
15 Aug Alaska Airlines
18 Aug Frontier Airlines
09 Aug Alaska Airlines

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

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.

Book a cheap hotel in London

Cheap car rent in London

Feel free to contact us with any feedback or request another flight research.