Cheapest return flights from San Francisco to Keflavik in April from 511€

AirHint found the following cheapest return flights from San Francisco (SFO) to Keflavik (KEF) in April 2026 (see full year).

Return flights

01 Apr - 09 Apr Lufthansa
01 Apr - 08 Apr British Airways
02 Apr - 09 Apr SWISS
02 Apr - 10 Apr British Airways

Also check the deals for one-way flights from San Francisco to Keflavik 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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