Cheapest return flights from Houston to Istanbul in April from 607€

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

Return flights

16 Apr - 30 Apr Spirit Airlines
15 Apr - 22 Apr KLM
08 Apr - 21 Apr KLM
02 Apr - 19 Apr Turkish Airlines direct
06 Apr - 13 Apr KLM
06 Apr - 13 Apr Turkish Airlines direct
22 Apr - 26 Apr Turkish Airlines direct
08 Apr - 21 Apr Turkish Airlines direct
19 Apr - 03 May Turkish Airlines direct
15 Apr - 22 Apr Turkish Airlines direct
22 Apr - 29 Apr Turkish Airlines direct
30 Apr - 06 May Austrian Airlines
29 Apr - 29 May Turkish Airlines direct
30 Apr - 06 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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