Cheapest return DCA–KEF flights, June

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

Return flights

04 Jun - 08 Jun Icelandair
03 Jun - 07 Jun United
08 Jun - 14 Jun United
04 Jun - 09 Jun Icelandair
22 Jun - 02 Jul Air Canada
12 Jun - 16 Jun Air Canada
05 Jun - 07 Jun United
16 Jun - 27 Jun Air Canada
17 Jun - 27 Jun United
28 Jun - 11 Jul Air Canada
18 Jun - 21 Jun Air Canada
03 Jun - 05 Jun Icelandair

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

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