--- title: "Udon Thani (UTH) to Hat Yai (HDY) flights: who flies it" description: "Thai Lion Mentari flies nonstop from UTH to HDY, about 4 flights a week as SL 599, scheduled at 2h 20m to 2h 25m. See the full timetable and who flies it on 2LNR." canonical: "https://2lnr.com/routes/uth-hdy" url: "https://2lnr.com/routes/uth-hdy.md" date_modified: "2026-10-18T05:10:47Z" --- # Udon Thani to Hat Yai (UTH-HDY): nonstop flights and who flies them Thai Lion Mentari flies the UTH to HDY nonstop about 4 times a week. In the timetable below it flies as SL 599, scheduled at 2h 20m to 2h 25m for the 740 miles. Schedule last confirmed October 18, 2026. Departure times come from 2LNR's schedule data; confirm with the airline before you book. Updated October 23, 2026. See UTH to HDY on the interactive map [Get started free](https://2lnr.com/login) 4 Flights a week, 4-week average 2h 20m to 2h 25m Scheduled flight time 740 mi Nonstop distance Free To get started ## Udon Thani to Hat Yai flight schedule Scheduled nonstop departures for UTH to HDY starting October 23, 2026, last checked against our schedule feed on October 18, 2026. Airlines retime and cancel flights, so confirm with the airline before you book. Scheduled nonstop departures from Udon Thani (UTH) to Hat Yai (HDY) | Date | Flight | Airline | Departs UTH | Arrives HDY | Duration | Aircraft | | :--- | :--- | :--- | :--- | :--- | :--- | :--- | | Fri, Oct 23 | SL 599 | Thai Lion Mentari | 16:30 | 18:50 | 2h 20m | Boeing 737-800 | | Sun, Oct 25 | SL 599 | Thai Lion Mentari | 16:00 | 18:25 | 2h 25m | Boeing 737-900 | | Mon, Oct 26 | SL 599 | Thai Lion Mentari | 16:00 | 18:25 | 2h 25m | Boeing 737-900 | | Wed, Oct 28 | SL 599 | Thai Lion Mentari | 16:00 | 18:25 | 2h 25m | Boeing 737-900 | | Fri, Oct 30 | SL 599 | Thai Lion Mentari | 16:00 | 18:25 | 2h 25m | Boeing 737-900 | | Sun, Nov 1 | SL 599 | Thai Lion Mentari | 16:00 | 18:25 | 2h 25m | Boeing 737-900 | | Mon, Nov 2 | SL 599 | Thai Lion Mentari | 16:00 | 18:25 | 2h 25m | Boeing 737-900 | Showing all 7 scheduled UTH to HDY departures across 7 days with service, starting October 23, 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 UTH to HDY date on the interactive map ## Aircraft on the Udon Thani to Hat Yai nonstop Thai Lion Mentari flies the departures in the schedule table on this page with the Boeing 737-900 and the Boeing 737-800. ## The full UTH to HDY nonstop schedule This page carries the full UTH to HDY nonstop schedule, who operates each departure and how often it runs; the reverse direction is linked below. ### See the schedule Who operates each UTH to HDY nonstop and how often it runs, from 2LNR's schedule data. ### Plan on the map See UTH to HDY on the interactive route map, with schedules, connections, and route statistics. ## Airlines flying Udon Thani to Hat Yai nonstop Carriers operating UTH to HDY nonstop in the current schedule. - [Thai Lion Mentari (SL) route map](https://2lnr.com/routes/airlines/sl.md)\ [The aircraft SL flies](https://2lnr.com/seatmaps/sl.md) See UTH to HDY on the interactive map → ## Frequently asked questions about UTH to HDY **How long is the flight from Udon Thani (UTH) to Hat Yai (HDY)?** Scheduled flight times from Udon Thani (UTH) to Hat Yai (HDY) run from 2h 20m to 2h 25m across the departures in the schedule table on this page. The nonstop covers about 740 miles, and airlines adjust scheduled times by season, so confirm with the airline before you book. **Which airlines fly nonstop from UTH to HDY?** Thai Lion Mentari is currently the only airline flying UTH to HDY nonstop. 2LNR doesn't show award or upgrade space for it on UTH to HDY, so this page carries the schedule rather than a space claim. **How many flights a week are there from UTH to HDY?** About 4 nonstop flights a week run between Udon Thani (UTH) and Hat Yai (HDY) in the current schedule, operated by Thai Lion Mentari. Frequency shifts by season, and the schedule table on this page shows what is scheduled next. **What time do flights from UTH to HDY depart?** Scheduled UTH to HDY nonstops in the next 7 days with service leave between 16:00 and 16:30, local time at Udon Thani. The schedule table on this page lists every departure by date, with its arrival time and aircraft. **Which flights operate UTH to HDY nonstop?** Thai Lion Mentari flies SL 599 nonstop from Udon Thani (UTH) to Hat Yai (HDY), 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 UTH to HDY?** Not on this route: 2LNR doesn't show award or upgrade space for Thai Lion Mentari on UTH to HDY. The page carries the full UTH to HDY nonstop schedule and who flies each departure, and the reverse direction is linked below. Flying the other way? See [HDY to UTH nonstop flights](https://2lnr.com/routes/hdy-uth.md). Award seats rather than schedules? See [award availability by airline](https://2lnr.com/awards.md). Looking beyond this route? See [every route from Udon Thani (UTH)](https://2lnr.com/routes/uth.md), or [every route from Hat Yai (HDY)](https://2lnr.com/routes/hdy.md). - [How to plan an upgrade by route](https://2lnr.com/guides/upgrade-strategy.md) ## See the full UTH to HDY 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)