Cheapest return flights from San Francisco to Keflavik in April from 551€

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

Return flights

14 Apr - 21 Apr British Airways
18 Apr - 25 Apr Scandinavian Airlines
14 Apr - 18 Apr Scandinavian Airlines
17 Apr - 01 May Air France
09 Apr - 16 Apr Scandinavian Airlines
13 Apr - 20 Apr Alaska Airlines
07 Apr - 14 Apr Alaska Airlines
15 Apr - 22 Apr Alaska Airlines
16 Apr - 23 Apr British Airways
08 Apr - 15 Apr British Airways
11 Apr - 18 Apr Virgin Atlantic

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

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