Cheapest return flights from Washington to Keflavik in August from 462€

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

Return flights

19 Aug - 23 Aug Scandinavian Airlines
16 Aug - 23 Aug Icelandair direct
19 Aug - 23 Aug Icelandair direct
08 Aug - 17 Aug SWISS
07 Aug - 16 Aug Lufthansa
08 Aug - 16 Aug SWISS
07 Aug - 15 Aug SWISS
08 Aug - 20 Aug British Airways
07 Aug - 16 Aug Icelandair direct
08 Aug - 16 Aug Icelandair direct

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

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