Cheapest return flights from Seattle to Keflavik in November from 429€

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

Return flights

17 Nov - 26 Nov Icelandair direct
13 Nov - 20 Nov Icelandair direct
12 Nov - 19 Nov Icelandair direct
15 Nov - 22 Nov Lufthansa
21 Nov - 02 Dec WestJet
10 Nov - 06 Dec Lufthansa
25 Nov - 20 Dec WestJet
21 Nov - 28 Nov WestJet
10 Nov - 06 Dec Icelandair direct
25 Nov - 20 Dec Icelandair direct

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

Powered by

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.

Book a cheap hotel in Keflavik

Cheap car rent in Keflavik

Feel free to contact us with any feedback or request another flight research.