Cheapest return flights from San Francisco to Keflavik in March from 525€

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

Return flights

03 Mar - 10 Mar British Airways
12 Mar - 19 Mar SWISS
02 Mar - 09 Mar British Airways
04 Mar - 11 Mar jetBlue
13 Mar - 20 Mar Scandinavian Airlines
01 Mar - 08 Mar Scandinavian Airlines
20 Mar - 11 Apr Scandinavian Airlines
18 Mar - 01 Apr jetBlue
27 Mar - 12 Apr Scandinavian Airlines

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

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