Cheapest return flights from Washington to Keflavik in March from 315€

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

Return flights

10 Mar - 17 Mar Icelandair direct
11 Mar - 18 Mar Icelandair direct
18 Mar - 24 Mar Icelandair direct
18 Mar - 25 Mar Icelandair direct
09 Mar - 19 Mar Icelandair direct
08 Mar - 12 Mar Icelandair direct
09 Mar - 16 Mar Icelandair direct
12 Mar - 19 Mar Icelandair direct
05 Mar - 10 Mar Icelandair direct
05 Mar - 11 Mar Icelandair direct
29 Mar - 05 Apr Scandinavian Airlines
31 Mar - 04 Apr Icelandair direct
28 Mar - 03 Apr Lufthansa
28 Mar - 04 Apr Delta
29 Mar - 05 Apr Icelandair direct
28 Mar - 03 Apr Icelandair direct
27 Mar - 03 Apr Air Canada
28 Mar - 04 Apr Icelandair direct
27 Mar - 03 Apr Icelandair direct
28 Mar - 09 Apr British Airways

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

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