Cheapest return flights from Houston to Keflavik in August from $531

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

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

Return flights

08 Aug - 19 Aug WestJet
13 Aug - 20 Aug WestJet
20 Aug - 27 Aug WestJet
12 Aug - 19 Aug WestJet
27 Aug - 03 Sep Spirit Airlines
11 Aug - 21 Aug Spirit Airlines
04 Aug - 11 Aug Spirit Airlines
05 Aug - 12 Aug Spirit Airlines
11 Aug - 18 Aug Spirit Airlines
15 Aug - 22 Aug Spirit Airlines
22 Aug - 29 Aug Spirit Airlines
29 Aug - 05 Sep Spirit Airlines
26 Aug - 02 Sep Spirit Airlines
25 Aug - 01 Sep Spirit Airlines
31 Aug - 07 Sep Air France
30 Aug - 06 Sep Air Canada
28 Aug - 04 Sep Spirit Airlines

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

Skyscanner

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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