Cheapest return flights from Seattle to Keflavik in February from $493

Best time to book flights for Seattle (SEA) to Keflavik (KEF) flights at AirHint

AirHint found the following cheapest return flights from Seattle (SEA) to Keflavik (KEF) in February 2025 (see full year).

Return flights

24 Feb - 04 Mar jetBlue
07 Feb - 14 Feb Frontier Airlines
08 Feb - 14 Feb Spirit Airlines
08 Feb - 15 Feb Spirit Airlines
05 Feb - 12 Feb Icelandair direct
11 Feb - 18 Feb Icelandair direct
19 Feb - 26 Feb Alaska Airlines
17 Feb - 25 Feb Icelandair direct
08 Feb - 16 Feb Spirit Airlines
02 Feb - 09 Feb Frontier Airlines
28 Feb - 07 Mar Icelandair direct
06 Feb - 10 Feb Icelandair direct
28 Feb - 08 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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