Cheapest return flights from Washington to Keflavik in July from 570€

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

Return flights

30 Jul - 09 Aug United direct
28 Jul - 08 Aug Air Canada
10 Jul - 21 Jul United direct
09 Jul - 21 Jul Air Canada
28 Jul - 08 Aug Icelandair direct
10 Jul - 01 Aug United direct
09 Jul - 21 Jul Icelandair direct

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

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