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
09 Sep 16 Sep Frontier Airlines
08 Sep 15 Sep Frontier Airlines
17 Sep 24 Sep Frontier Airlines
15 Sep 22 Sep Frontier Airlines
20 Sep 27 Sep Frontier Airlines
30 Sep 07 Oct Frontier Airlines
01 Sep 08 Sep Frontier Airlines
14 Sep 21 Sep Frontier Airlines
07 Sep 14 Sep Frontier Airlines
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deals for one-way flights from Dallas-Fort Worth to Keflavik in September.

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Updated Jun 14, 2026.

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