Cheapest return flights from Houston to Istanbul in April from $674

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

Return flights

29 Apr - 13 May Spirit Airlines
23 Apr - 06 May Spirit Airlines
08 Apr - 20 Apr Spirit Airlines
06 Apr - 14 Apr Frontier Airlines
01 Apr - 09 Apr KLM
08 Apr - 15 Apr KLM
05 Apr - 12 Apr KLM
02 Apr - 12 Apr KLM
03 Apr - 17 Apr KLM
03 Apr - 06 Apr KLM
24 Apr - 06 May Spirit Airlines
20 Apr - 23 Apr Spirit Airlines
06 Apr - 20 Apr Air Canada

Also check the deals for one-way flights from Houston to Istanbul in April.

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