Cheapest one-way flights from Washington to Keflavik in May from 311€

AirHint found the following cheapest one-way flights from Washington (IAD) to Keflavik (KEF) in May 2026 (see full year).

One-Way flights

18 May Austrian Airlines
07 May Air France
06 May Air France
13 May Air France
19 May Lufthansa
18 May Icelandair direct
20 May Icelandair direct
06 May Icelandair direct
13 May Icelandair direct
19 May Icelandair direct

Also check the deals for return flights from Washington to Keflavik in May.

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