Cheapest one-way flights from Houston to Istanbul in December from $274

AirHint found the following cheapest one-way flights from Houston (IAH) to Istanbul (IST) in December 2025 (see full year).

One-Way flights

07 Dec Spirit Airlines
05 Dec Frontier Airlines
06 Dec Frontier Airlines
14 Dec Spirit Airlines
25 Dec WestJet
26 Dec Frontier Airlines
25 Dec Turkish Airlines direct
29 Dec Turkish Airlines direct
07 Dec Turkish Airlines direct
06 Dec Turkish Airlines direct

Also check the deals for return flights from Houston to Istanbul in December.

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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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