Cheapest return flights from Houston (HOU) to Keflavik (KEF), September

Select a price to book. see full year.

Dates, airline, and price
Dates Airline Price
28 Sep 05 Oct jetBlue
19 Sep 26 Sep Frontier Airlines
21 Sep 28 Sep Icelandair
29 Sep 09 Oct Frontier Airlines
27 Sep 04 Oct jetBlue
23 Sep 30 Sep jetBlue
24 Sep 01 Oct Frontier Airlines
26 Sep 03 Oct Frontier Airlines
20 Sep 27 Sep jetBlue
07 Sep 11 Sep Frontier Airlines
17 Sep 26 Sep Icelandair
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deals for one-way flights from Houston to Keflavik in September.

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Updated Jul 5, 2026.

About these fares

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