Cheapest return flights from San Francisco to Keflavik in April from 542€

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

Return flights

23 Apr - 30 Apr Scandinavian Airlines
15 Apr - 22 Apr jetBlue
22 Apr - 29 Apr Alaska Airlines
21 Apr - 28 Apr Alaska Airlines
08 Apr - 15 Apr Alaska Airlines
24 Apr - 01 May Scandinavian Airlines
13 Apr - 20 Apr Scandinavian Airlines
16 Apr - 23 Apr Scandinavian Airlines
18 Apr - 25 Apr Scandinavian Airlines
09 Apr - 16 Apr Scandinavian Airlines
12 Apr - 19 Apr Scandinavian Airlines
25 Apr - 02 May Scandinavian Airlines
13 Apr - 04 May Scandinavian Airlines
28 Apr - 05 May Lufthansa

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

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