Cheapest one-way SFO–LHR flights, August

AirHint found the following cheapest one-way flights from San Francisco (SFO) to London (LHR) in August 2026 (see full year).

One-Way flights

25 Aug Frontier Airlines
18 Aug Frontier Airlines
06 Aug FrenchBee
19 Aug Alaska Airlines
04 Aug Alaska Airlines
11 Aug Alaska Airlines
24 Aug Frontier Airlines
17 Aug Frontier Airlines
13 Aug Alaska Airlines
10 Aug Aer Lingus

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

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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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