Every Dallas–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/dallas-to-istanbul/#2026-09-13-2026-09-25-QRhttps://flight.deals/flights/dallas-to-istanbul/#2026-09-13-2026-09-25-QRDFW → IST round-trip on Qatar Airways, 2026-09-13 to 2026-09-25 (12 nights). Cached fare $811 vs typical $935.Tue, 01 Sep 2026 12:09:07 GMT