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

Return flights

28 Jan - 07 Feb	Turkish Airlines
28 Jan - 06 Feb	Turkish Airlines
27 Jan - 08 Feb	Turkish Airlines
27 Jan - 11 Feb	Turkish Airlines
27 Jan - 06 Feb	Turkish Airlines
28 Jan - 08 Feb	Etihad Airways
18 Jan - 16 Feb	Turkish Airlines
24 Jan - 07 Feb	Turkish Airlines
26 Jan - 08 Feb	Etihad Airways
23 Jan - 07 Feb	Turkish Airlines
27 Jan - 30 Jan	Turkish Airlines
19 Jan - 26 Jan	Turkish Airlines
17 Jan - 24 Jan	Turkish Airlines
18 Jan - 25 Jan	Emirates

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

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 Islamabad in January from $641

Return flights