Cheapest return flights from Seattle to Keflavik in February from 383€

AirHint found the following cheapest return flights from Seattle (SEA) to Keflavik (KEF) in February 2026 (see full year).

Return flights

02 Feb - 09 Feb Icelandair direct
18 Feb - 25 Feb Lufthansa
12 Feb - 19 Feb Icelandair direct
15 Feb - 22 Feb Icelandair direct
16 Feb - 23 Feb Icelandair direct
13 Feb - 20 Feb Icelandair direct
18 Feb - 25 Feb Icelandair direct
22 Feb - 01 Mar Icelandair direct

Also check the deals for one-way flights from Seattle 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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