Cheapest return IAH–IST flights, June

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

Return flights

16 Jun - 23 Jun Frontier Airlines
15 Jun - 24 Jun Spirit Airlines
03 Jun - 07 Jun KLM
09 Jun - 19 Jun Frontier Airlines
15 Jun - 29 Jun Spirit Airlines
19 Jun - 11 Jul Spirit Airlines
27 Jun - 08 Jul KLM
29 Jun - 10 Jul Air France
29 Jun - 03 Jul Air France
12 Jun - 26 Jun Spirit Airlines
19 Jun - 03 Jul Delta
19 Jun - 10 Jul Spirit Airlines
12 Jun - 26 Jun Turkish Airlines direct
13 Jun - 20 Jun KLM
22 Jun - 06 Jul Turkish Airlines direct
15 Jun - 24 Jun Turkish Airlines direct
29 Jun - 03 Jul Turkish Airlines direct
09 Jun - 19 Jun Turkish Airlines direct
19 Jun - 03 Jul Turkish Airlines direct
19 Jun - 10 Jul Turkish Airlines direct

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

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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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