Cheapest return flights from Keflavik to Washington in June from $484

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

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

Return flights

24 Jun - 01 Jul World Ticket Ltd direct
16 Jun - 09 Jul Icelandair direct
05 Jun - 25 Jun Icelandair direct
18 Jun - 23 Jun Icelandair direct
23 Jun - 16 Jul Air Canada
23 Jun - 30 Jun Air Canada
23 Jun - 16 Jul Icelandair direct
23 Jun - 30 Jun Icelandair direct
27 Jun - 16 Jul Icelandair direct
26 Jun - 05 Jul British Airways

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

Skyscanner

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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