Cheapest one-way flights from San Francisco to London in April from 296€

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

One-Way flights

26 Apr Air France direct
06 Apr Air Canada
12 Apr Hawaiian Airlines
12 Apr Air France direct
06 Apr Air France direct
30 Apr Air Canada
04 Apr United
01 Apr Delta direct
30 Apr British Airways direct
04 Apr Delta direct

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

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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