Cheapest return flights from Houston to Keflavik in April from $641

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

Return flights

24 Apr - 01 May KLM
26 Apr - 03 May KLM
23 Apr - 30 Apr Virgin Atlantic
21 Apr - 28 Apr Lufthansa
20 Apr - 27 Apr British Airways
22 Apr - 29 Apr British Airways
25 Apr - 02 May Virgin Atlantic
27 Apr - 04 May Lufthansa
28 Apr - 05 May Lufthansa

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

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