Cheapest return flights from Austin to Keflavik in February from $558

AirHint found the following cheapest return flights from Austin (AUS) to Keflavik (KEF) in February 2026 (see full year).

Return flights

25 Feb - 04 Mar Spirit Airlines
18 Feb - 25 Feb Frontier Airlines
20 Feb - 27 Feb Frontier Airlines
04 Feb - 11 Feb Spirit Airlines
26 Feb - 05 Mar Frontier Airlines
15 Feb - 22 Feb Frontier Airlines
21 Feb - 28 Feb Frontier Airlines
19 Feb - 26 Feb Spirit Airlines
27 Feb - 06 Mar Spirit Airlines
28 Feb - 07 Mar Spirit Airlines
22 Feb - 01 Mar Frontier Airlines
13 Feb - 22 Feb Frontier Airlines
13 Feb - 20 Feb Frontier Airlines
03 Feb - 10 Feb Spirit Airlines
16 Feb - 23 Feb Frontier Airlines

Also check the deals for one-way flights from Austin to Keflavik in February.

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