AirHint found the following cheapest return flights from Minneapolis (MSP) to Istanbul (IST) in August 2025 (see full year).

Return flights

25 Aug - 08 Sep	Icelandair
13 Aug - 20 Aug	Virgin Atlantic
11 Aug - 18 Aug	Virgin Atlantic
18 Aug - 22 Aug	Icelandair
07 Aug - 14 Aug	Air Canada
24 Aug - 30 Aug	Icelandair
08 Aug - 15 Aug	Lufthansa
17 Aug - 09 Sep	Air France
18 Aug - 09 Sep	Air France
13 Aug - 01 Sep	Air France
14 Aug - 18 Aug	Sun Country Airlines
14 Aug - 19 Aug	Air France
18 Aug - 23 Aug	KLM
18 Aug - 01 Sep	Icelandair
13 Aug - 25 Aug	Lufthansa

Also check the deals for one-way flights from Minneapolis to Istanbul in August.

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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Cheapest return flights from Minneapolis to Istanbul in August from 573€

Return flights