Cheapest return flights from Houston to Istanbul in April from 656€

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

Return flights

01 Apr - 09 Apr Turkish Airlines direct
29 Apr - 14 May Turkish Airlines direct
01 Apr - 08 Apr Turkish Airlines direct
08 Apr - 16 Apr Air France
08 Apr - 16 Apr Turkish Airlines direct
30 Apr - 14 May Turkish Airlines direct
30 Apr - 15 May Turkish Airlines direct
29 Apr - 13 May Turkish Airlines direct
28 Apr - 12 May Turkish Airlines direct
28 Apr - 13 May Turkish Airlines direct
27 Apr - 11 May Turkish Airlines direct
27 Apr - 12 May Turkish Airlines direct
19 Apr - 23 Apr Air France
10 Apr - 24 Apr Turkish Airlines direct
26 Apr - 11 May Lufthansa
26 Apr - 10 May Air France
16 Apr - 23 Apr Delta
10 Apr - 19 Apr Turkish Airlines direct
19 Apr - 23 Apr 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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