Every Boston–Istanbul fare we track, measured against the route's typical price whenever there is enough cached history to build one. Subscribe in any RSS reader for free single-route price alerts — no account, no email needed.https://flight.dealsen-ushttps://flight.deals/flights/boston-to-istanbul/#2026-10-01-2026-10-13-EYhttps://flight.deals/flights/boston-to-istanbul/#2026-10-01-2026-10-13-EYBOS → IST round-trip on Etihad, 2026-10-01 to 2026-10-13 (12 nights). Cached fare $429 vs typical $820.Sun, 30 Aug 2026 05:03:17 GMT