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

Return flights

01 Feb - 08 Feb	Frontier Airlines
07 Feb - 14 Feb	British Airways
21 Feb - 28 Feb	Lufthansa
03 Feb - 10 Feb	jetBlue
23 Feb - 02 Mar	Frontier Airlines
11 Feb - 18 Feb	Spirit Airlines
02 Feb - 09 Feb	Spirit Airlines
08 Feb - 15 Feb	Frontier Airlines
20 Feb - 27 Feb	Frontier Airlines
22 Feb - 01 Mar	British Airways
10 Feb - 17 Feb	Spirit Airlines
05 Feb - 12 Feb	Spirit Airlines

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

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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Cheapest return flights from Houston to Keflavik in February from 612€

Return flights