Cheapest return flights from Boston to Istanbul in January from 354€

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

Return flights

28 Jan - 11 Feb Icelandair
17 Jan - 04 Feb Icelandair
17 Jan - 11 Feb Icelandair
17 Jan - 30 Jan Icelandair
07 Jan - 23 Jan Icelandair
28 Jan - 18 Feb Icelandair
13 Jan - 27 Jan Spirit Airlines
27 Jan - 10 Feb Spirit Airlines
19 Jan - 26 Jan Frontier Airlines
08 Jan - 29 Jan LEVEL
07 Jan - 19 Jan Icelandair
20 Jan - 27 Jan Lufthansa
21 Jan - 28 Jan Lufthansa
12 Jan - 28 Jan Frontier Airlines
17 Jan - 28 Jan LEVEL
15 Jan - 28 Feb LEVEL
27 Jan - 02 Feb LEVEL
30 Jan - 20 Feb Delta
31 Jan - 21 Feb British Airways
30 Jan - 20 Feb Turkish Airlines direct

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

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