--- title: "Hat Yai (HDY) to Udon Thani (UTH) flights: who flies it" description: "Thai Lion Mentari flies nonstop from HDY to UTH, about 4 flights a week as SL 598, scheduled at 2h to 2h 10m. See the full timetable and who flies it on 2LNR." canonical: "https://2lnr.com/routes/hdy-uth" url: "https://2lnr.com/routes/hdy-uth.md" date_modified: "2026-10-18T05:10:47Z" --- # Hat Yai to Udon Thani (HDY-UTH): nonstop flights and who flies them Thai Lion Mentari flies the HDY to UTH nonstop about 4 times a week. In the timetable below it flies as SL 598, scheduled at 2h to 2h 10m 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 HDY to UTH on the interactive map [Get started free](https://2lnr.com/login) 4 Flights a week, 4-week average 2h to 2h 10m Scheduled flight time 740 mi Nonstop distance Free To get started ## Hat Yai to Udon Thani flight schedule Scheduled nonstop departures for HDY to UTH starting October 22, 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 Hat Yai (HDY) to Udon Thani (UTH) | Date | Flight | Airline | Departs HDY | Arrives UTH | Duration | Aircraft | | :--- | :--- | :--- | :--- | :--- | :--- | :--- | | Fri, Oct 23 | SL 598 | Thai Lion Mentari | 13:30 | 15:40 | 2h 10m | Boeing 737-800 | | Sun, Oct 25 | SL 598 | Thai Lion Mentari | 13:35 | 15:35 | 2h | Boeing 737-800 | | Mon, Oct 26 | SL 598 | Thai Lion Mentari | 13:35 | 15:35 | 2h | Boeing 737-800 | | Wed, Oct 28 | SL 598 | Thai Lion Mentari | 13:35 | 15:35 | 2h | Boeing 737-800 | | Fri, Oct 30 | SL 598 | Thai Lion Mentari | 13:35 | 15:35 | 2h | Boeing 737-800 | | Sun, Nov 1 | SL 598 | Thai Lion Mentari | 13:35 | 15:35 | 2h | Boeing 737-800 | | Mon, Nov 2 | SL 598 | Thai Lion Mentari | 13:35 | 15:35 | 2h | Boeing 737-800 | Showing all 7 scheduled HDY to UTH departures across 7 days with service, starting October 22, 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 HDY to UTH date on the interactive map ## Aircraft on the Hat Yai to Udon Thani nonstop Thai Lion Mentari flies the Boeing 737-800 on every departure in the schedule table on this page. ## The full HDY to UTH nonstop schedule This page carries the full HDY to UTH nonstop schedule, who operates each departure and how often it runs; the reverse direction is linked below. ### See the schedule Who operates each HDY to UTH nonstop and how often it runs, from 2LNR's schedule data. ### Plan on the map See HDY to UTH on the interactive route map, with schedules, connections, and route statistics. ## Airlines flying Hat Yai to Udon Thani nonstop Carriers operating HDY to UTH 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 HDY to UTH on the interactive map → ## Frequently asked questions about HDY to UTH **How long is the flight from Hat Yai (HDY) to Udon Thani (UTH)?** Scheduled flight times from Hat Yai (HDY) to Udon Thani (UTH) run from 2h to 2h 10m 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 HDY to UTH?** Thai Lion Mentari is currently the only airline flying HDY to UTH nonstop. 2LNR doesn't show award or upgrade space for it on HDY to UTH, so this page carries the schedule rather than a space claim. **How many flights a week are there from HDY to UTH?** About 4 nonstop flights a week run between Hat Yai (HDY) and Udon Thani (UTH) 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 HDY to UTH depart?** Scheduled HDY to UTH nonstops in the next 7 days with service leave between 13:30 and 13:35, local time at Hat Yai. The schedule table on this page lists every departure by date, with its arrival time and aircraft. **Which flights operate HDY to UTH nonstop?** Thai Lion Mentari flies SL 598 nonstop from Hat Yai (HDY) to Udon Thani (UTH), 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 HDY to UTH?** Not on this route: 2LNR doesn't show award or upgrade space for Thai Lion Mentari on HDY to UTH. The page carries the full HDY to UTH nonstop schedule and who flies each departure, and the reverse direction is linked below. Flying the other way? See [UTH to HDY nonstop flights](https://2lnr.com/routes/uth-hdy.md). Award seats rather than schedules? See [award availability by airline](https://2lnr.com/awards.md). Looking beyond this route? See [every route from Hat Yai (HDY)](https://2lnr.com/routes/hdy.md), or [every route from Udon Thani (UTH)](https://2lnr.com/routes/uth.md). - [How to plan an upgrade by route](https://2lnr.com/guides/upgrade-strategy.md) ## See the full HDY to UTH 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)