Cheapest return flights from Washington to Keflavik in June from 503€

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

Return flights

01 Jun - 07 Jun Icelandair direct
14 Jun - 19 Jun Icelandair direct
05 Jun - 12 Jun Icelandair direct
29 Jun - 25 Jul Lufthansa
29 Jun - 25 Jul Icelandair direct
19 Jun - 28 Jun Icelandair direct
17 Jun - 26 Jun British Airways
08 Jun - 11 Jun British Airways

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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