Cheapest return flights from Houston to Istanbul in December from 682€

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

Return flights

02 Dec - 16 Dec Air France
04 Dec - 18 Dec Air France
07 Dec - 21 Dec Air France
04 Dec - 18 Dec Turkish Airlines direct
02 Dec - 16 Dec Turkish Airlines direct
23 Dec - 06 Jan Delta
07 Dec - 21 Dec Turkish Airlines direct
21 Dec - 02 Jan Delta
23 Dec - 06 Jan Turkish Airlines direct
21 Dec - 02 Jan Turkish Airlines direct

Also check the deals for one-way 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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