Cheapest return flights from Houston to Istanbul in April from 543€

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

Return flights

16 Apr - 27 Apr Spirit Airlines
15 Apr - 22 Apr Spirit Airlines
30 Apr - 15 May Spirit Airlines
22 Apr - 06 May Spirit Airlines
30 Apr - 14 May Spirit Airlines
25 Apr - 09 May Spirit Airlines
17 Apr - 24 Apr KLM
02 Apr - 06 Apr KLM
02 Apr - 12 Apr KLM
03 Apr - 06 Apr KLM
19 Apr - 03 May KLM
22 Apr - 06 May Turkish Airlines direct
16 Apr - 27 Apr Turkish Airlines direct
15 Apr - 22 Apr Turkish Airlines direct
17 Apr - 24 Apr Turkish Airlines direct
02 Apr - 06 Apr Turkish Airlines direct
19 Apr - 03 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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