Cheapest return flights from Boston to Istanbul in July from $616

AirHint found the following cheapest return flights from Boston (BOS) to Istanbul (IST) in July 2025 (see full year).

Return flights

30 Jul - 13 Aug Air Canada
16 Jul - 30 Jul Icelandair
14 Jul - 22 Jul SWISS
15 Jul - 22 Jul Austrian Airlines
14 Jul - 23 Jul Turkish Airlines direct
14 Jul - 22 Jul Turkish Airlines direct
21 Jul - 29 Jul Turkish Airlines direct
20 Jul - 28 Jul Lufthansa
09 Jul - 16 Jul SWISS
29 Jul - 29 Aug Icelandair
23 Jul - 06 Aug Lufthansa
01 Jul - 08 Jul SWISS
16 Jul - 30 Jul Turkish Airlines direct
22 Jul - 07 Aug Air France
23 Jul - 07 Aug KLM
26 Jul - 04 Aug Air France
17 Jul - 21 Aug Air France
24 Jul - 15 Aug Air France
28 Jul - 02 Aug Icelandair
26 Jul - 09 Aug Air France

Also check the deals for one-way flights from Boston to Istanbul in July.

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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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