Cheapest one-way flights from Houston to Istanbul in December from 415€

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

One-Way flights

31 Dec Spirit Airlines
28 Dec Frontier Airlines
27 Dec Frontier Airlines
31 Dec Turkish Airlines direct
28 Dec Turkish Airlines direct
24 Dec Frontier Airlines
25 Dec Lufthansa
23 Dec Viva
27 Dec Turkish Airlines direct
21 Dec Aer Lingus

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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