Cheapest return flights from Washington to Keflavik in July from 506€

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 July 2025 (see full year).

Return flights

28 Jul - 05 Aug Air Canada
07 Jul - 15 Jul Air Canada
09 Jul - 16 Jul Icelandair direct
16 Jul - 23 Jul Icelandair direct
02 Jul - 09 Jul Icelandair direct
01 Jul - 09 Jul Icelandair direct
02 Jul - 10 Jul Icelandair direct
08 Jul - 16 Jul Icelandair direct
09 Jul - 17 Jul Icelandair direct
15 Jul - 23 Jul Icelandair direct
16 Jul - 24 Jul Icelandair direct
26 Jul - 02 Aug Icelandair direct
27 Jul - 03 Aug Icelandair direct
28 Jul - 04 Aug Icelandair direct
26 Jul - 03 Aug Icelandair direct
27 Jul - 04 Aug Icelandair direct
24 Jul - 01 Aug Icelandair direct
25 Jul - 02 Aug Icelandair direct
28 Jul - 05 Aug Icelandair direct
25 Jul - 01 Aug Icelandair direct

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

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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