Cheapest return flights from Istanbul to Boston in May from $478

Best time to book flights for Istanbul (IST) to Boston (BOS) flights at AirHint

AirHint found the following cheapest return flights from Istanbul (IST) to Boston (BOS) in May 2025 (see full year).

Return flights

01 May - 09 May British Airways
19 May - 25 May British Airways
01 May - 01 Jun British Airways
02 May - 11 May British Airways
20 May - 27 May British Airways
09 May - 18 May British Airways
17 May - 31 May British Airways
31 May - 09 Jun British Airways
01 May - 09 May Turkish Airlines direct
04 May - 04 May Wizz Air UK
09 May - 18 May Turkish Airlines direct
20 May - 27 May Turkish Airlines direct
01 May - 01 Jun Turkish Airlines direct

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

Skyscanner

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.

Book a cheap hotel in Boston

Cheap car rent in Boston