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

Return flights

19 Nov - 05 Dec	Icelandair
19 Nov - 12 Dec	Icelandair
15 Nov - 08 Dec	Icelandair
15 Nov - 21 Nov	Icelandair
25 Nov - 01 Dec	Air Canada
19 Nov - 26 Nov	Air Canada
24 Nov - 08 Dec	Air Canada
18 Nov - 25 Nov	Icelandair
12 Nov - 19 Nov	Air Canada
16 Nov - 06 Dec	Aer Lingus
24 Nov - 01 Dec	Air Canada
24 Nov - 02 Dec	Air Canada
27 Nov - 01 Dec	Air Canada
18 Nov - 13 Dec	Lufthansa
11 Nov - 18 Nov	SWISS
11 Nov - 24 Nov	KLM
19 Nov - 26 Nov	Turkish Airlines	direct
18 Nov - 25 Nov	Turkish Airlines	direct
19 Nov - 24 Nov	Turkish Airlines	direct
13 Nov - 17 Nov	Air Canada

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

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 Boston to Istanbul in November from $380

Return flights