Cheapest return flights from Washington to Keflavik in April from $538

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

Return flights

13 Apr - 20 Apr Air France
09 Apr - 12 Apr Delta
26 Apr - 03 May Air France
25 Apr - 02 May Air France
23 Apr - 26 Apr Air Europa
09 Apr - 14 Apr Air Europa
08 Apr - 12 Apr KLM
04 Apr - 10 Apr Scandinavian Airlines
06 Apr - 13 Apr jetBlue
01 Apr - 01 May Scandinavian Airlines
08 Apr - 13 Apr Air Europa
09 Apr - 13 Apr Scandinavian Airlines
24 Apr - 01 May Scandinavian Airlines
02 Apr - 06 Apr jetBlue
27 Apr - 04 May Air France

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

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