--- title: "Surat Thani to Chiang Mai flights: who flies URT-CNX" description: "Royal Flying Doctor Service flies nonstop from URT to CNX, about 11 flights a week, scheduled at 1h 50m. See the full timetable and who flies it on 2LNR." canonical: "https://2lnr.com/routes/urt-cnx" url: "https://2lnr.com/routes/urt-cnx.md" date_modified: "2026-10-18T05:10:47Z" --- # Surat Thani to Chiang Mai (URT-CNX): nonstop flights and who flies them Royal Flying Doctor Service flies the URT to CNX nonstop about 11 times a week. In the timetable below it flies as FD 5421 and FD 5423, scheduled at 1h 50m for the 666 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 URT to CNX on the interactive map [Get started free](https://2lnr.com/login) 11 Flights a week, 4-week average 1h 50m Scheduled flight time 666 mi Nonstop distance Free To get started ## Surat Thani to Chiang Mai flight schedule Scheduled nonstop departures for URT to CNX 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 Surat Thani (URT) to Chiang Mai (CNX) | Date | Flight | Airline | Departs URT | Arrives CNX | Duration | Aircraft | | :--- | :--- | :--- | :--- | :--- | :--- | :--- | | Thu, Oct 22 | FD 5423 | Royal Flying Doctor Service | 13:00 | 14:50 | 1h 50m | [Airbus A320](https://2lnr.com/seatmaps/fd/a320.md) | | Fri, Oct 23 | FD 5423 | Royal Flying Doctor Service | 13:00 | 14:50 | 1h 50m | Airbus A320 | | Sat, Oct 24 | FD 5423 | Royal Flying Doctor Service | 13:00 | 14:50 | 1h 50m | Airbus A320 | | Sun, Oct 25 | FD 5421 | Royal Flying Doctor Service | 10:35 | 12:25 | 1h 50m | Airbus A320 | | Sun, Oct 25 | FD 5423 | Royal Flying Doctor Service | 19:50 | 21:40 | 1h 50m | Airbus A320 | | Mon, Oct 26 | FD 5421 | Royal Flying Doctor Service | 10:35 | 12:25 | 1h 50m | Airbus A320 | | Mon, Oct 26 | FD 5423 | Royal Flying Doctor Service | 19:50 | 21:40 | 1h 50m | Airbus A320 | | Tue, Oct 27 | FD 5421 | Royal Flying Doctor Service | 10:35 | 12:25 | 1h 50m | Airbus A320 | | Wed, Oct 28 | FD 5421 | Royal Flying Doctor Service | 10:35 | 12:25 | 1h 50m | Airbus A320 | | Wed, Oct 28 | FD 5423 | Royal Flying Doctor Service | 19:50 | 21:40 | 1h 50m | Airbus A320 | Showing all 10 scheduled URT to CNX 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 URT to CNX date on the interactive map ## Aircraft on the Surat Thani to Chiang Mai nonstop Royal Flying Doctor Service flies the [Airbus A320](https://2lnr.com/seatmaps/fd/a320.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 URT to CNX nonstop schedule This page carries the full URT to CNX nonstop schedule, who operates each departure and how often it runs; the reverse direction is linked below. ### See the schedule Who operates each URT to CNX nonstop and how often it runs, from 2LNR's schedule data. ### Plan on the map See URT to CNX on the interactive route map, with schedules, connections, and route statistics. ## Airlines flying Surat Thani to Chiang Mai nonstop Carriers operating URT to CNX nonstop in the current schedule. - [Royal Flying Doctor Service (FD) route map](https://2lnr.com/routes/airlines/fd.md)\ [The aircraft FD flies](https://2lnr.com/seatmaps/fd.md) See URT to CNX on the interactive map → ## Frequently asked questions about URT to CNX **How long is the flight from Surat Thani (URT) to Chiang Mai (CNX)?** Every departure in the schedule table on this page is scheduled at 1h 50m from Surat Thani (URT) to Chiang Mai (CNX). The nonstop covers about 666 miles, and airlines adjust scheduled times by season, so confirm with the airline before you book. **Which airlines fly nonstop from URT to CNX?** Royal Flying Doctor Service is currently the only airline flying URT to CNX nonstop. 2LNR doesn't show award or upgrade space for it on URT to CNX, so this page carries the schedule rather than a space claim. **How many flights a week are there from URT to CNX?** About 11 nonstop flights a week run between Surat Thani (URT) and Chiang Mai (CNX) in the current schedule, operated by Royal Flying Doctor Service. Frequency shifts by season, and the schedule table on this page shows what is scheduled next. **What time do flights from URT to CNX depart?** Scheduled URT to CNX nonstops in the next 7 days with service leave between 10:35 and 19:50, local time at Surat Thani. The schedule table on this page lists every departure by date, with its arrival time and aircraft. **Which flights operate URT to CNX nonstop?** In the schedule table on this page, URT to CNX nonstops fly as FD 5421 and FD 5423 on Royal Flying Doctor Service. The table lists each departure by date with its times and aircraft. **Does 2LNR show upgrade or award space on URT to CNX?** Not on this route: 2LNR doesn't show award or upgrade space for Royal Flying Doctor Service on URT to CNX. The page carries the full URT to CNX nonstop schedule and who flies each departure, and the reverse direction is linked below. Flying the other way? See [CNX to URT nonstop flights](https://2lnr.com/routes/cnx-urt.md). Award seats rather than schedules? See [award availability by airline](https://2lnr.com/awards.md). Looking beyond this route? See [every route from Surat Thani (URT)](https://2lnr.com/routes/urt.md), or [every route from Chiang Mai (CNX)](https://2lnr.com/routes/cnx.md). Nonstops to Chiang Mai (CNX) from other airports within 150 miles of Surat Thani (URT): - [Ko Samui (USM) to Chiang Mai (CNX)](https://2lnr.com/routes/usm-cnx.md), 69 miles from URT - [Nakhon Si Thammarat (NST) to Chiang Mai (CNX)](https://2lnr.com/routes/nst-cnx.md), 72 miles from URT - [Krabi (KBV) to Chiang Mai (CNX)](https://2lnr.com/routes/kbv-cnx.md), 73 miles from URT - [Phuket (HKT) to Chiang Mai (CNX)](https://2lnr.com/routes/hkt-cnx.md), 91 miles from URT 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 URT to CNX 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)