Cheapest return flights from Dallas-Fort Worth to Keflavik in September from 391€

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

Return flights

04 Sep - 11 Sep Spirit Airlines
17 Sep - 24 Sep Spirit Airlines
18 Sep - 25 Sep Spirit Airlines
25 Sep - 02 Oct Spirit Airlines
28 Sep - 05 Oct Spirit Airlines
07 Sep - 14 Sep Spirit Airlines
05 Sep - 12 Sep Spirit Airlines
08 Sep - 15 Sep Spirit Airlines
13 Sep - 20 Sep Spirit Airlines
20 Sep - 27 Sep Spirit Airlines
12 Sep - 19 Sep Spirit Airlines
10 Sep - 17 Sep Spirit Airlines
24 Sep - 02 Oct Finnair
25 Sep - 01 Oct Finnair

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

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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