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

Return flights

15 Nov - 24 Nov	Icelandair
19 Nov - 15 Dec	Icelandair
04 Nov - 18 Nov	SWISS
10 Nov - 17 Nov	Scandinavian Airlines
05 Nov - 19 Nov	Air Canada
04 Nov - 13 Nov	Air Canada
11 Nov - 25 Nov	Air Canada
11 Nov - 18 Nov	SWISS
11 Nov - 02 Dec	Air Canada
12 Nov - 03 Dec	Air Canada
18 Nov - 15 Dec	Air Canada
05 Nov - 12 Nov	Air Canada
03 Nov - 10 Nov	Air Canada
26 Nov - 02 Dec	British Airways
27 Nov - 04 Dec	SWISS
13 Nov - 17 Nov	jetBlue
19 Nov - 13 Dec	TAP
11 Nov - 06 Dec	Air Canada
18 Nov - 14 Dec	TAP
27 Nov - 02 Dec	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 $388

Return flights