Cheapest return flights from Houston to Keflavik in July from $567

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 July 2025 (see full year).

Return flights

29 Jul - 05 Aug Spirit Airlines
30 Jul - 06 Aug Spirit Airlines
09 Jul - 21 Jul Spirit Airlines
23 Jul - 30 Jul Spirit Airlines
17 Jul - 24 Jul Spirit Airlines
25 Jul - 01 Aug Spirit Airlines
26 Jul - 02 Aug Spirit Airlines
31 Jul - 07 Aug WestJet
20 Jul - 31 Jul Spirit Airlines
21 Jul - 28 Jul Spirit Airlines
28 Jul - 04 Aug Spirit Airlines
18 Jul - 25 Jul Spirit Airlines
22 Jul - 29 Jul Spirit Airlines
24 Jul - 31 Jul Spirit Airlines
20 Jul - 27 Jul Spirit Airlines
27 Jul - 03 Aug Spirit Airlines
19 Jul - 26 Jul Spirit Airlines

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

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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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