Cheapest return flights from Boston to Istanbul in January from 446€

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

Return flights

07 Jan - 22 Jan Delta
12 Jan - 26 Jan British Airways
18 Jan - 07 Feb Iberia
01 Jan - 24 Jan Iberia
01 Jan - 16 Jan Iberia
30 Jan - 06 Feb Delta
15 Jan - 29 Jan British Airways
31 Jan - 21 Feb Aer Lingus
10 Jan - 12 Jan KLM
07 Jan - 22 Jan Turkish Airlines direct
15 Jan - 29 Jan Turkish Airlines direct
30 Jan - 06 Feb Turkish Airlines direct
12 Jan - 26 Jan Turkish Airlines direct
05 Jan - 08 Jan Air France
18 Jan - 07 Feb Turkish Airlines direct
31 Jan - 21 Feb Turkish Airlines direct

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

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