Cheapest return flights from Boston to Istanbul in January from 392€

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

Return flights

21 Jan - 04 Feb Icelandair
13 Jan - 20 Jan Delta
20 Jan - 27 Jan Lufthansa
13 Jan - 27 Jan KLM
14 Jan - 27 Jan KLM
21 Jan - 04 Feb Turkish Airlines direct
24 Jan - 07 Feb Delta
20 Jan - 27 Jan Turkish Airlines direct
13 Jan - 27 Jan Turkish Airlines direct
14 Jan - 27 Jan Turkish Airlines direct
24 Jan - 07 Feb Turkish Airlines direct
13 Jan - 20 Jan Turkish Airlines direct

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

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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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