Cheapest return flights from Washington to Keflavik in June from $562

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

Return flights

24 Jun - 02 Jul Icelandair direct
04 Jun - 07 Jun Icelandair direct
10 Jun - 17 Jun Icelandair direct
17 Jun - 21 Jun Icelandair direct
28 Jun - 09 Jul Icelandair direct
26 Jun - 04 Jul Icelandair direct
25 Jun - 04 Jul Icelandair direct
07 Jun - 14 Jun Icelandair direct
23 Jun - 29 Jun Icelandair direct
12 Jun - 21 Jun Icelandair direct
08 Jun - 16 Jun Icelandair direct
13 Jun - 20 Jun Icelandair direct
05 Jun - 08 Jun Icelandair direct
22 Jun - 29 Jun Icelandair direct
24 Jun - 01 Jul Icelandair direct
25 Jun - 02 Jul Icelandair direct
25 Jun - 05 Jul Icelandair direct
21 Jun - 06 Jul Icelandair direct
30 Jun - 04 Jul Icelandair direct

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

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