AirHint found the following cheapest return flights from Dallas-Fort Worth (DFW) to Keflavik (KEF) in February 2026 (see full year).

Return flights

01 Feb - 09 Feb	Spirit Airlines
05 Feb - 10 Feb	Spirit Airlines
19 Feb - 23 Feb	Frontier Airlines
06 Feb - 19 Feb	Spirit Airlines
25 Feb - 04 Mar	Spirit Airlines
24 Feb - 03 Mar	Spirit Airlines
21 Feb - 28 Feb	Frontier Airlines
08 Feb - 15 Feb	Frontier Airlines
18 Feb - 23 Feb	Spirit Airlines
18 Feb - 25 Feb	Frontier Airlines
23 Feb - 02 Mar	Frontier Airlines
04 Feb - 15 Feb	Frontier Airlines
19 Feb - 26 Feb	Spirit Airlines
22 Feb - 01 Mar	Spirit Airlines

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

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 Dallas-Fort Worth to Keflavik in February from $507

Return flights