Cheapest return flights from Dallas-Fort Worth to Keflavik in October from $449

AirHint found the following cheapest return flights from Dallas-Fort Worth (DFW) to Keflavik (KEF) in October 2025 (see full year).

Return flights

04 Oct - 11 Oct Frontier Airlines
14 Oct - 22 Oct Spirit Airlines
17 Oct - 24 Oct Spirit Airlines
16 Oct - 24 Oct Frontier Airlines
16 Oct - 23 Oct Frontier Airlines
15 Oct - 23 Oct Spirit Airlines
14 Oct - 21 Oct Spirit Airlines
04 Oct - 09 Oct Frontier Airlines
15 Oct - 22 Oct Spirit Airlines
13 Oct - 21 Oct Frontier Airlines
29 Oct - 05 Nov Spirit Airlines
26 Oct - 02 Nov Frontier Airlines
28 Oct - 05 Nov Frontier Airlines
29 Oct - 06 Nov Frontier Airlines
30 Oct - 07 Nov Frontier Airlines
30 Oct - 06 Nov Frontier Airlines
31 Oct - 07 Nov Spirit Airlines
28 Oct - 04 Nov Finnair
26 Oct - 03 Nov Frontier Airlines
27 Oct - 04 Nov Frontier Airlines

Also check the deals for one-way flights from Dallas-Fort Worth to Keflavik in October.

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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