AirHint found the following cheapest return flights from Boston (BOS) to Istanbul (IST) in February 2026 (see full year).

Return flights

09 Feb - 23 Feb	Icelandair
02 Feb - 16 Feb	Icelandair
21 Feb - 27 Feb	Icelandair
09 Feb - 16 Feb	Icelandair
25 Feb - 09 Mar	Icelandair
02 Feb - 10 Feb	Air Canada
04 Feb - 25 Feb	Lufthansa
04 Feb - 11 Feb	Lufthansa
03 Feb - 11 Feb	Lufthansa
04 Feb - 12 Feb	Lufthansa
23 Feb - 03 Mar	Lufthansa
22 Feb - 05 Mar	Lufthansa
04 Feb - 18 Feb	Iberia
20 Feb - 01 Mar	Aer Lingus
14 Feb - 07 Mar	Air Canada
27 Feb - 14 Mar	British Airways
22 Feb - 05 Mar	Turkish Airlines	direct
27 Feb - 14 Mar	Turkish Airlines	direct
27 Feb - 08 Mar	Turkish Airlines	direct
20 Feb - 01 Mar	Turkish Airlines	direct

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

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 February from $402

Return flights