Cheapest return flights from Houston to Istanbul in December from $685

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

Return flights

06 Dec - 09 Dec Spirit Airlines
02 Dec - 16 Dec Turkish Airlines direct
04 Dec - 19 Jan Air France
06 Dec - 09 Dec Turkish Airlines direct
05 Dec - 19 Dec Turkish Airlines direct
04 Dec - 19 Jan Turkish Airlines direct
25 Dec - 03 Jan WestJet
18 Dec - 22 Dec Spirit Airlines
25 Dec - 03 Jan Turkish Airlines direct
24 Dec - 03 Jan Turkish Airlines direct
22 Dec - 03 Jan Air France
20 Dec - 04 Jan Spirit Airlines
18 Dec - 22 Dec Turkish Airlines direct
19 Dec - 03 Jan Air Canada
22 Dec - 03 Jan Turkish Airlines direct
20 Dec - 04 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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