Cheapest return flights from Seattle to Keflavik in February from $475

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

Return flights

17 Feb - 24 Feb Icelandair direct
06 Feb - 13 Feb Icelandair direct
09 Feb - 24 Feb Icelandair direct
10 Feb - 17 Feb Icelandair direct
01 Feb - 07 Feb Icelandair direct
05 Feb - 09 Feb Icelandair direct
02 Feb - 09 Feb Icelandair direct
08 Feb - 15 Feb Icelandair direct
18 Feb - 25 Feb Icelandair direct
24 Feb - 03 Mar Icelandair direct
27 Feb - 06 Mar Icelandair direct
20 Feb - 06 Mar Icelandair direct
18 Feb - 04 Mar Icelandair direct
16 Feb - 23 Feb Icelandair direct

Also check the deals for one-way flights from Seattle to Keflavik in February.

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