Cheapest return flights from Boston to Istanbul in October from 525€

Best time to book flights for Boston (BOS) to Istanbul (IST) flights at AirHint

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

Return flights

03 Oct - 08 Oct Fly Play
19 Oct - 19 Nov Air France
09 Oct - 14 Oct Fly Play
15 Oct - 20 Oct Fly Play
12 Oct - 17 Oct Fly Play
06 Oct - 11 Oct Fly Play
27 Oct - 01 Nov Icelandair
24 Oct - 29 Oct Qatar Airways
30 Oct - 04 Nov Qatar Airways
19 Oct - 19 Nov Turkish Airlines direct
09 Oct - 20 Oct Delta
30 Oct - 04 Nov Turkish Airlines direct
15 Oct - 20 Oct Turkish Airlines direct
24 Oct - 29 Oct Turkish Airlines direct
09 Oct - 14 Oct Turkish Airlines direct
27 Oct - 01 Nov Turkish Airlines direct

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

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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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