Cheapest return flights from Houston to Istanbul in April from $628

Best time to book flights for Houston (IAH) to Istanbul (IST) flights at AirHint

AirHint found the following cheapest return flights from Houston (IAH) to Istanbul (IST) in April 2025 (see full year).

Return flights

29 Apr - 13 May Spirit Airlines
23 Apr - 05 May Spirit Airlines
25 Apr - 09 May Spirit Airlines
23 Apr - 29 Apr Spirit Airlines
15 Apr - 29 Apr Spirit Airlines
14 Apr - 29 Apr WestJet
27 Apr - 04 May Frontier Airlines
25 Apr - 01 May Frontier Airlines
26 Apr - 04 May Spirit Airlines
15 Apr - 25 Apr Spirit Airlines
09 Apr - 15 Apr Spirit Airlines
08 Apr - 15 Apr Frontier Airlines
21 Apr - 05 May Qatar Airways
12 Apr - 26 Apr Frontier Airlines
23 Apr - 29 Apr Turkish Airlines direct
09 Apr - 16 Apr Spirit Airlines
17 Apr - 20 Apr Qatar Airways
23 Apr - 05 May Turkish Airlines direct
29 Apr - 13 May Turkish Airlines direct
26 Apr - 04 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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