Cheapest return flights from Houston to Istanbul in May from 752€

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

Return flights

11 May - 20 May Spirit Airlines
11 May - 18 May Frontier Airlines
08 May - 22 May Spirit Airlines
02 May - 09 May Spirit Airlines
12 May - 16 Jun Frontier Airlines
11 May - 25 May Delta
04 May - 08 May Frontier Airlines
04 May - 09 May Frontier Airlines
11 May - 15 Jun Frontier Airlines
13 May - 22 May Frontier Airlines
13 May - 24 May KLM
17 May - 24 May KLM
04 May - 08 Jun KLM
29 May - 25 Jun WestJet
04 May - 08 Jun Turkish Airlines direct
30 May - 02 Jun KLM
11 May - 15 Jun Turkish Airlines direct
12 May - 16 Jun Turkish Airlines direct

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

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