Cheapest return flights from Washington to Keflavik in March from 815€

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

Return flights

30 Mar - 04 Apr Icelandair
31 Mar - 04 Apr Icelandair
31 Mar - 05 Apr Delta
24 Mar - 31 Mar jetBlue
29 Mar - 04 Apr KLM
23 Mar - 29 Mar Scandinavian Airlines
30 Mar - 05 Apr Icelandair
24 Mar - 27 Mar Icelandair
25 Mar - 29 Mar Icelandair
22 Mar - 29 Mar jetBlue
21 Mar - 25 Mar jetBlue
23 Mar - 25 Mar Frontier Airlines
23 Mar - 30 Mar Icelandair
23 Mar - 01 Apr Icelandair

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

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