Cheapest return flights from Houston to Istanbul in April from $767

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

Return flights

13 Apr - 23 Apr KLM
20 Apr - 04 May Air France
18 Apr - 09 May Air France
21 Apr - 11 May Air Canada
23 Apr - 07 May WestJet
23 Apr - 07 May Turkish Airlines direct
13 Apr - 23 Apr Turkish Airlines direct
20 Apr - 04 May Turkish Airlines direct
09 Apr - 18 Apr Turkish Airlines direct
08 Apr - 18 Apr Turkish Airlines direct
15 Apr - 25 Apr Turkish Airlines direct
21 Apr - 11 May Turkish Airlines direct
18 Apr - 09 May Turkish Airlines direct

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

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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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