Cheapest return flights from Houston to Keflavik in July from $500

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

08 Jul - 14 Jul WestJet
22 Jul - 29 Jul WestJet
29 Jul - 05 Aug WestJet
10 Jul - 23 Jul Spirit Airlines
17 Jul - 20 Jul WestJet
16 Jul - 29 Jul Spirit Airlines
31 Jul - 07 Aug WestJet
02 Jul - 10 Jul Spirit Airlines
30 Jul - 06 Aug Spirit Airlines
27 Jul - 03 Aug Spirit Airlines
26 Jul - 02 Aug Spirit Airlines
28 Jul - 04 Aug Spirit Airlines
25 Jul - 01 Aug Spirit Airlines

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

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.

Book a cheap hotel in Keflavik

Cheap car rent in Keflavik