Cheap flights from Boston to Istanbul
Cheapest current fares: $301 in August 2026, 7,728 km direct flight in ~9h 6m.
Cheapest month-by-month fares
Lowest available fare per calendar month from Boston (BOS) to Istanbul (IST). Refreshed daily.
Boston (BOS) → Istanbul (IST)
- August 2026 $301
- September 2026 $311
- October 2026 $351
- June 2026 $413
- July 2026 $432
- May 2026 $550
Frequently asked questions
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What is the cheapest month to fly from Boston to Istanbul?
Based on current 6-month forward fare data, August 2026 is the cheapest month to fly from Boston (BOS) to Istanbul (IST), with fares starting from $301.
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What is the lowest current fare from BOS to IST?
The lowest currently-listed fare from Boston (BOS) to Istanbul (IST) is $301 on 2026-08-04.
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How long is the flight from Boston to Istanbul?
Direct flights from BOS to IST cover approximately 7,728 km (4,802 miles), with an estimated flight time of 9h 6m. Operating airlines: TK.
Related guides for this route
Sibling pages — full route detail, airport overviews, visa context, per-airline routes.