AirHint found the following cheapest return flights from Minneapolis (MSP) to Keflavik (KEF) in October 2025 (see full year).

Return flights

17 Oct - 24 Oct	Icelandair	direct
02 Oct - 09 Oct	Icelandair	direct
16 Oct - 23 Oct	Icelandair	direct
18 Oct - 25 Oct	Icelandair	direct
22 Oct - 29 Oct	Icelandair	direct
24 Oct - 31 Oct	Icelandair	direct
19 Oct - 26 Oct	Icelandair	direct
06 Oct - 13 Oct	Delta
09 Oct - 13 Oct	Icelandair	direct
13 Oct - 20 Oct	Icelandair	direct
29 Oct - 05 Nov	Icelandair	direct
25 Oct - 01 Nov	Icelandair	direct
26 Oct - 02 Nov	Icelandair	direct
27 Oct - 03 Nov	Frontier Airlines
28 Oct - 04 Nov	Frontier Airlines

Also check the deals for one-way flights from Minneapolis to Keflavik in October.

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 Minneapolis to Keflavik in October from $320

Return flights