Cheapest return flights from Houston to Keflavik in March from 359€

Best time to book flights for Houston (IAH) to Keflavik (KEF) flights at AirHint

AirHint found the following cheapest return flights from Houston (IAH) to Keflavik (KEF) in March 2025 (see full year).

Return flights

04 Mar - 11 Mar Spirit Airlines
11 Mar - 19 Mar Spirit Airlines
02 Mar - 10 Mar Spirit Airlines
10 Mar - 18 Mar Spirit Airlines
04 Mar - 12 Mar Spirit Airlines
01 Mar - 09 Mar Spirit Airlines
05 Mar - 13 Mar Spirit Airlines
10 Mar - 13 Mar Frontier Airlines
24 Mar - 30 Mar Frontier Airlines
12 Mar - 20 Mar Spirit Airlines

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

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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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