Cheapest one-way flights from Washington to Keflavik in February from $326

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

One-Way flights

17 Feb TAP
18 Feb Icelandair direct
20 Feb Icelandair direct
26 Feb SWISS
15 Feb TAP
15 Feb Icelandair direct
16 Feb Icelandair direct
17 Feb Icelandair direct
28 Feb Frontier Airlines
14 Feb Lufthansa

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

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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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