Cheapest return flights from Seattle to Keflavik in February from $429

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

Return flights

03 Feb - 10 Feb Icelandair direct
01 Feb - 07 Feb Icelandair direct
05 Feb - 09 Feb Icelandair direct
02 Feb - 09 Feb Icelandair direct
05 Feb - 12 Feb Icelandair direct
09 Feb - 07 Mar Icelandair direct
04 Feb - 11 Feb Icelandair direct
09 Feb - 16 Feb Icelandair direct
10 Feb - 17 Feb Icelandair direct
15 Feb - 22 Feb Icelandair direct
01 Feb - 08 Feb Icelandair direct
23 Feb - 02 Mar Icelandair direct
24 Feb - 03 Mar Icelandair direct
25 Feb - 04 Mar Icelandair direct
26 Feb - 05 Mar Icelandair direct
22 Feb - 01 Mar Icelandair direct
27 Feb - 06 Mar Icelandair direct
28 Feb - 07 Mar Icelandair direct

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

Skyscanner

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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