Cheapest return flights from Seattle to Keflavik in November from 339€

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

Return flights

03 Nov - 09 Nov Icelandair direct
17 Nov - 22 Nov Icelandair direct
04 Nov - 10 Nov Icelandair direct

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

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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