Cheapest return flights from Houston to Keflavik in October from 349€

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

Return flights

14 Oct - 23 Oct Spirit Airlines
14 Oct - 24 Oct Spirit Airlines
17 Oct - 22 Oct Spirit Airlines
14 Oct - 18 Oct Spirit Airlines
11 Oct - 21 Oct Spirit Airlines
13 Oct - 23 Oct Frontier Airlines
13 Oct - 24 Oct Frontier Airlines
11 Oct - 14 Oct Spirit Airlines
14 Oct - 19 Oct Spirit Airlines
08 Oct - 21 Oct Spirit Airlines
15 Oct - 08 Nov Spirit Airlines
30 Oct - 15 Nov Lufthansa

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

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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