Cheapest return flights from Houston to Keflavik in January from 371€

AirHint found the following cheapest return flights from Houston (HOU) to Keflavik (KEF) in January 2026 (see full year).

Return flights

30 Jan - 07 Feb Frontier Airlines
12 Jan - 20 Jan Spirit Airlines
13 Jan - 21 Jan Spirit Airlines
21 Jan - 29 Jan Spirit Airlines
28 Jan - 05 Feb Spirit Airlines
08 Jan - 16 Jan Spirit Airlines
17 Jan - 25 Jan Spirit Airlines
20 Jan - 28 Jan Spirit Airlines
18 Jan - 26 Jan Spirit Airlines
19 Jan - 27 Jan Spirit Airlines
22 Jan - 30 Jan Spirit Airlines
23 Jan - 31 Jan Spirit Airlines
24 Jan - 01 Feb Spirit Airlines
26 Jan - 03 Feb Spirit Airlines
27 Jan - 04 Feb Spirit Airlines
29 Jan - 06 Feb Spirit Airlines
28 Jan - 03 Feb Spirit Airlines
27 Jan - 02 Feb Spirit Airlines
25 Jan - 02 Feb Spirit Airlines
31 Jan - 08 Feb Frontier Airlines

Also check the deals for one-way flights from Houston to Keflavik in January.

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