Cheapest return flights from Washington to Keflavik in June from $485

Best time to book flights for Washington (IAD) to Keflavik (KEF) flights at AirHint

AirHint found the following cheapest return flights from Washington (IAD) to Keflavik (KEF) in June 2025 (see full year).

Return flights

02 Jun - 12 Jun Icelandair direct
15 Jun - 19 Jun Icelandair direct
09 Jun - 15 Jun Icelandair direct
08 Jun - 18 Jun Icelandair direct
15 Jun - 26 Jun Icelandair direct
02 Jun - 09 Jun Icelandair direct
01 Jun - 05 Jun Icelandair direct
19 Jun - 23 Jun Icelandair direct
05 Jun - 15 Jun Icelandair direct
17 Jun - 23 Jun Icelandair direct
26 Jun - 04 Jul Icelandair direct
16 Jun - 21 Jul Icelandair direct
24 Jun - 01 Jul Icelandair direct
25 Jun - 02 Jul Icelandair direct
26 Jun - 03 Jul Icelandair direct
27 Jun - 04 Jul Icelandair direct
30 Jun - 07 Jul Icelandair direct
23 Jun - 07 Jul Icelandair direct
18 Jun - 16 Jul Icelandair direct
28 Jun - 05 Jul Icelandair direct

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

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The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

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