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

Return flights

19 Jan - 03 Feb	Air Canada
23 Jan - 30 Jan	Air Canada
27 Jan - 06 Feb	WestJet
17 Jan - 04 Feb	Spirit Airlines
19 Jan - 08 Feb	Lufthansa
20 Jan - 30 Jan	Air Canada
21 Jan - 30 Jan	Air Canada
21 Jan - 27 Jan	Air Canada
30 Jan - 13 Feb	Spirit Airlines
19 Jan - 30 Jan	Air Canada
20 Jan - 28 Jan	Air Canada
20 Jan - 27 Jan	Air Canada
22 Jan - 30 Jan	KLM
22 Jan - 21 Feb	KLM
26 Jan - 30 Jan	KLM
14 Jan - 10 Feb	Air Canada
15 Jan - 10 Feb	Air Canada
22 Jan - 25 Jan	Spirit Airlines
16 Jan - 10 Feb	Air Canada
19 Jan - 03 Feb	Turkish Airlines	direct

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

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.

Book a cheap hotel in Istanbul

Cheap car rent in Istanbul

Cheapest return flights from Houston to Istanbul in January from $589

Return flights