Cheapest return flights from Houston to Keflavik in March from 458€

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

Return flights

25 Mar - 02 Apr Spirit Airlines
17 Mar - 24 Mar Spirit Airlines
30 Mar - 07 Apr Spirit Airlines
18 Mar - 25 Mar Spirit Airlines
23 Mar - 31 Mar Spirit Airlines
21 Mar - 28 Mar Spirit Airlines
22 Mar - 30 Mar Spirit Airlines
01 Mar - 08 Mar Frontier Airlines
21 Mar - 29 Mar Spirit Airlines
22 Mar - 29 Mar Spirit Airlines
12 Mar - 19 Mar Spirit Airlines
04 Mar - 11 Mar Spirit Airlines
29 Mar - 06 Apr Spirit Airlines
27 Mar - 04 Apr jetBlue
26 Mar - 03 Apr Spirit Airlines
28 Mar - 05 Apr Spirit Airlines

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

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