Cheapest return flights from Washington to Keflavik in November from $519

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

Return flights

10 Nov - 06 Dec Lufthansa
28 Nov - 05 Dec Icelandair direct
11 Nov - 06 Dec Icelandair direct
17 Nov - 24 Nov Icelandair direct
12 Nov - 06 Dec Lufthansa
12 Nov - 06 Dec Icelandair direct
10 Nov - 06 Dec Icelandair direct
11 Nov - 14 Nov Icelandair direct
10 Nov - 12 Nov Icelandair direct
13 Nov - 17 Nov Air Canada
12 Nov - 16 Nov Icelandair direct
26 Nov - 20 Dec Porter Airlines (Canada) Ltd
09 Nov - 16 Nov Icelandair direct
22 Nov - 13 Dec Frontier Airlines
26 Nov - 02 Dec Lufthansa
08 Nov - 12 Nov Lufthansa
21 Nov - 13 Dec Frontier Airlines
14 Nov - 18 Nov Lufthansa
20 Nov - 26 Nov Porter Airlines (Canada) Ltd
20 Nov - 24 Nov Porter Airlines (Canada) Ltd

Also check the deals for one-way flights from Washington 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.