Cheapest return flights from Dallas-Fort Worth (DFW) to Keflavik (KEF), September

Select a price to book. see full year.

Dates, airline, and price
Dates Airline Price
29 Sep 06 Oct Frontier Airlines
22 Sep 29 Sep Frontier Airlines
16 Sep 23 Sep Frontier Airlines
10 Sep 17 Sep Frontier Airlines
12 Sep 19 Sep Frontier Airlines
09 Sep 16 Sep Frontier Airlines
15 Sep 22 Sep Frontier Airlines
13 Sep 20 Sep Frontier Airlines
24 Sep 01 Oct Frontier Airlines
28 Sep 05 Oct Frontier Airlines
05 Sep 12 Sep Frontier Airlines
06 Sep 13 Sep Frontier Airlines
18 Sep 25 Sep Frontier Airlines
27 Sep 04 Oct Frontier Airlines
25 Sep 02 Oct Frontier Airlines
26 Sep 03 Oct Frontier Airlines
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deals for one-way flights from Dallas-Fort Worth to Keflavik in September.

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Updated Jul 14, 2026.

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