Cheapest one-way flights from Seattle to Keflavik in December from 279€

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

AirHint found the following cheapest one-way flights from Seattle (SEA) to Keflavik (KEF) in December 2024 (see full year).

One-Way flights

06 Dec Alaska Airlines
06 Dec Icelandair direct

Also check the deals for return flights from Seattle to Keflavik in December.

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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