--- title: "Istanbul (IST) to Split (SPU) flights: who flies it" description: "Croatia Airlines flies Istanbul (IST) to Split (SPU) nonstop about 3 times a week as OU 4353, scheduled at 2h 10m. See the full timetable and who flies it on 2LNR." canonical: "https://2lnr.com/routes/ist-spu" url: "https://2lnr.com/routes/ist-spu.md" date_modified: "2026-10-25T05:37:10Z" --- # Istanbul to Split (IST-SPU): nonstop flights and who flies them Croatia Airlines flies nonstop from Istanbul (IST) to Split (SPU) just three times a week. In the timetable below it flies as OU 4353, scheduled at 2h 10m for the 664 miles. Schedule last confirmed October 25, 2026. Departure times come from 2LNR's schedule data; confirm with the airline before you book. Updated October 28, 2026. See IST to SPU on the interactive map [Get started free](https://2lnr.com/login) 3 Flights a week, 4-week average 2h 10m Scheduled flight time 664 mi Nonstop distance Free To get started ## Istanbul to Split flight schedule Scheduled nonstop departures for IST to SPU starting October 28, 2026, last checked against our schedule feed on October 25, 2026. Airlines retime and cancel flights, so confirm with the airline before you book. Scheduled nonstop departures from Istanbul (IST) to Split (SPU) | Date | Flight | Airline | Departs IST | Arrives SPU | Duration | Aircraft | | :--- | :--- | :--- | :--- | :--- | :--- | :--- | | Thu, Oct 29 | OU 4353 | Croatia Airlines | 21:30 | 21:40 | 2h 10m | [Airbus A220-300](https://2lnr.com/seatmaps/ou/a220-300.md) | | Sun, Nov 1 | OU 4353 | Croatia Airlines | 21:30 | 21:40 | 2h 10m | Airbus A220-300 | | Tue, Nov 3 | OU 4353 | Croatia Airlines | 21:30 | 21:40 | 2h 10m | Airbus A220-300 | | Thu, Nov 5 | OU 4353 | Croatia Airlines | 21:30 | 21:40 | 2h 10m | Airbus A220-300 | | Sun, Nov 8 | OU 4353 | Croatia Airlines | 21:30 | 21:40 | 2h 10m | Airbus A220-300 | | Tue, Nov 10 | OU 4353 | Croatia Airlines | 21:30 | 21:40 | 2h 10m | Airbus A220-300 | | Thu, Nov 12 | OU 4353 | Croatia Airlines | 21:30 | 21:40 | 2h 10m | Airbus A220-300 | Showing all 7 scheduled IST to SPU departures across 7 days with service, starting October 28, 2026. Later dates are on the interactive map. Departure and arrival times are local at their own airport, so an arrival can fall on a different local date than the departure; the duration column is the true elapsed flying time. A dash means the airline hasn't filed that value in the schedule data we hold. Aircraft are the equipment the airline filed, named where the code pins down one type and shown as the family or the bare code where it doesn't. Swaps can happen up to departure. See every IST to SPU date on the interactive map ## Aircraft on the Istanbul to Split nonstop Croatia Airlines flies the [Airbus A220-300](https://2lnr.com/seatmaps/ou/a220-300.md) on every departure in the schedule table on this page. Each linked aircraft page shows where that airline schedules it. Airlines can swap aircraft up to departure. ## The full IST to SPU nonstop schedule This page carries the full IST to SPU nonstop schedule, who operates each departure and how often it runs; the reverse direction is linked below. ### See the schedule Who operates each IST to SPU nonstop and how often it runs, from 2LNR's schedule data. ### Plan on the map See IST to SPU on the interactive route map, with schedules, connections, and route statistics. ## Airlines flying Istanbul to Split nonstop Carriers operating IST to SPU nonstop in the current schedule. - [Croatia Airlines (OU) route map](https://2lnr.com/routes/airlines/ou.md)\ [The aircraft OU flies](https://2lnr.com/seatmaps/ou.md) See IST to SPU on the interactive map → ## Frequently asked questions about IST to SPU **How long is the flight from Istanbul (IST) to Split (SPU)?** OU 4353 is scheduled at 2h 10m from Istanbul (IST) to Split (SPU) on every departure in the schedule table on this page. The nonstop covers about 664 miles, and airlines adjust scheduled times by season, so confirm with the airline before you book. **Which airlines fly nonstop from IST to SPU?** Croatia Airlines is currently the only airline flying IST to SPU nonstop. 2LNR doesn't show award or upgrade space for it on IST to SPU, so this page carries the schedule rather than a space claim. **How often does IST to SPU operate?** The IST to SPU nonstop currently runs three times a week, on Croatia Airlines. Thin schedules like this change by season, and on Pro an alert will catch anything added. **What time do flights from IST to SPU depart?** In the next 7 days with service, every scheduled IST to SPU nonstop leaves at 21:30 local time at Istanbul. The schedule table on this page lists each departure by date. **Which flights operate IST to SPU nonstop?** Croatia Airlines flies OU 4353 nonstop from Istanbul (IST) to Split (SPU), the only flight number in the schedule table on this page. The table lists each date with its departure and arrival times and aircraft. **Does 2LNR show upgrade or award space on IST to SPU?** Not on this route: 2LNR doesn't show award or upgrade space for Croatia Airlines on IST to SPU. The page carries the full IST to SPU nonstop schedule and who flies each departure, and the reverse direction is linked below. Flying the other way? See [SPU to IST nonstop flights](https://2lnr.com/routes/spu-ist.md). Award seats rather than schedules? See [award availability by airline](https://2lnr.com/awards.md). Looking beyond this route? See [every route from Istanbul (IST)](https://2lnr.com/routes/ist.md), or [every route from Split (SPU)](https://2lnr.com/routes/spu.md). Nonstops from Istanbul (IST) to other airports within 150 miles of Split (SPU): - [Istanbul (IST) to Sarajevo (SJJ)](https://2lnr.com/routes/ist-sjj.md), 103 miles from SPU - [Istanbul (IST) to Dubrovnik (DBV)](https://2lnr.com/routes/ist-dbv.md), 120 miles from SPU - [Istanbul (IST) to Tivat (TIV)](https://2lnr.com/routes/ist-tiv.md), 146 miles from SPU Distances are great-circle between the airports, not driving distance. - [How to plan an upgrade by route](https://2lnr.com/guides/upgrade-strategy.md) ## See the full IST to SPU nonstop schedule Every scheduled departure on this route, with who flies it. 2LNR shows upgrade and award space by date on the carriers it tracks, the next 14 days free on every product and the full horizon on Pro. [Get started free](https://2lnr.com/login)