Cheapest return flights from Houston to Istanbul in January from $556

AirHint found the following cheapest return flights from Houston (HOU) to Istanbul (IST) in January 2026 (see full year).

Return flights

13 Jan - 27 Jan Spirit Airlines
13 Jan - 22 Jan Spirit Airlines
13 Jan - 26 Jan Spirit Airlines
14 Jan - 03 Feb KLM
15 Jan - 22 Jan Frontier Airlines
10 Jan - 24 Jan Spirit Airlines
05 Jan - 21 Jan Spirit Airlines
13 Jan - 22 Jan Turkish Airlines direct
13 Jan - 27 Jan Turkish Airlines direct
07 Jan - 24 Jan Frontier Airlines
15 Jan - 22 Jan Turkish Airlines direct
14 Jan - 03 Feb Turkish Airlines direct
22 Jan - 05 Feb Air Canada

Also check the deals for one-way flights from Houston to Istanbul in January.

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