Cheapest return flights from Houston to Istanbul in April from 681€

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

Return flights

14 Apr - 07 May Air France
15 Apr - 29 Apr Lufthansa
18 Apr - 09 May Air France
16 Apr - 26 Apr Air France
12 Apr - 26 Apr Air France
14 Apr - 07 May Turkish Airlines direct
15 Apr - 29 Apr Turkish Airlines direct
12 Apr - 26 Apr Turkish Airlines direct
16 Apr - 26 Apr 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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