Cheapest return flights from Houston to Keflavik in September from 742€

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

Return flights

04 Sep - 13 Sep Air France
10 Sep - 16 Sep United

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

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