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

Return flights

01 Nov - 08 Nov	Icelandair	direct
06 Nov - 13 Nov	Icelandair	direct
15 Nov - 22 Nov	Icelandair	direct
06 Nov - 10 Nov	Icelandair	direct
03 Nov - 10 Nov	Icelandair	direct
19 Nov - 24 Nov	Spirit Airlines
27 Nov - 04 Dec	Icelandair	direct
07 Nov - 11 Nov	Spirit Airlines
18 Nov - 05 Dec	Lufthansa
26 Nov - 30 Nov	Air Canada
27 Nov - 01 Dec	Icelandair	direct
17 Nov - 20 Nov	Lufthansa
24 Nov - 01 Dec	Icelandair	direct
24 Nov - 29 Nov	Icelandair	direct
30 Nov - 20 Dec	Turkish Airlines
30 Nov - 07 Dec	jetBlue

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

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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Cheapest return flights from Detroit to Keflavik in November from $314

Return flights