--- title: "Chiang Mai to Ko Samui flights: who flies CNX-USM" description: "Bangkok Airways flies Chiang Mai (CNX) to Ko Samui (USM) nonstop about 7 times a week as PG 242, scheduled at 1h 45m. See the full timetable and who flies it on 2LNR." canonical: "https://2lnr.com/routes/cnx-usm" url: "https://2lnr.com/routes/cnx-usm.md" date_modified: "2026-10-18T05:10:47Z" --- # Chiang Mai to Ko Samui (CNX-USM): nonstop flights and who flies them Bangkok Airways flies the CNX to USM nonstop about 7 times a week. In the timetable below it flies as PG 242, scheduled at 1h 45m for the 641 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 CNX to USM on the interactive map [Get started free](https://2lnr.com/login) 7 Flights a week, 4-week average 1h 45m Scheduled flight time 641 mi Nonstop distance Free To get started ## Chiang Mai to Ko Samui flight schedule Scheduled nonstop departures for CNX to USM 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 Chiang Mai (CNX) to Ko Samui (USM) | Date | Flight | Airline | Departs CNX | Arrives USM | Duration | Aircraft | | :--- | :--- | :--- | :--- | :--- | :--- | :--- | | Thu, Oct 22 | PG 242 | Bangkok Airways | 11:35 | 13:20 | 1h 45m | Airbus A319 | | Fri, Oct 23 | PG 242 | Bangkok Airways | 11:35 | 13:20 | 1h 45m | Airbus A319 | | Sat, Oct 24 | PG 242 | Bangkok Airways | 11:35 | 13:20 | 1h 45m | Airbus A319 | | Sun, Oct 25 | PG 242 | Bangkok Airways | 11:30 | 13:15 | 1h 45m | Airbus A319 | | Mon, Oct 26 | PG 242 | Bangkok Airways | 11:30 | 13:15 | 1h 45m | Airbus A319 | | Tue, Oct 27 | PG 242 | Bangkok Airways | 11:30 | 13:15 | 1h 45m | Airbus A319 | | Wed, Oct 28 | PG 242 | Bangkok Airways | 11:30 | 13:15 | 1h 45m | Airbus A319 | Showing all 7 scheduled CNX to USM 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 CNX to USM date on the interactive map ## Aircraft on the Chiang Mai to Ko Samui nonstop Bangkok Airways flies the Airbus A319 on every departure in the schedule table on this page. ## The full CNX to USM nonstop schedule This page carries the full CNX to USM nonstop schedule, who operates each departure and how often it runs; the reverse direction is linked below. ### See the schedule Who operates each CNX to USM nonstop and how often it runs, from 2LNR's schedule data. ### Plan on the map See CNX to USM on the interactive route map, with schedules, connections, and route statistics. ## Airlines flying Chiang Mai to Ko Samui nonstop Carriers operating CNX to USM nonstop in the current schedule. - [Bangkok Airways (PG) route map](https://2lnr.com/routes/airlines/pg.md)\ [The aircraft PG flies](https://2lnr.com/seatmaps/pg.md) See CNX to USM on the interactive map → ## Frequently asked questions about CNX to USM **How long is the flight from Chiang Mai (CNX) to Ko Samui (USM)?** PG 242 is scheduled at 1h 45m from Chiang Mai (CNX) to Ko Samui (USM) on every departure in the schedule table on this page. The nonstop covers about 641 miles, and airlines adjust scheduled times by season, so confirm with the airline before you book. **Which airlines fly nonstop from CNX to USM?** Bangkok Airways is currently the only airline flying CNX to USM nonstop. 2LNR doesn't show award or upgrade space for it on CNX to USM, so this page carries the schedule rather than a space claim. **How many flights a week are there from CNX to USM?** About 7 nonstop flights a week run between Chiang Mai (CNX) and Ko Samui (USM) in the current schedule, operated by Bangkok Airways. Frequency shifts by season, and the schedule table on this page shows what is scheduled next. **What time do flights from CNX to USM depart?** Scheduled CNX to USM nonstops in the next 7 days with service leave between 11:30 and 11:35, local time at Chiang Mai. The schedule table on this page lists every departure by date, with its arrival time and aircraft. **Which flights operate CNX to USM nonstop?** Bangkok Airways flies PG 242 nonstop from Chiang Mai (CNX) to Ko Samui (USM), 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 CNX to USM?** Not on this route: 2LNR doesn't show award or upgrade space for Bangkok Airways on CNX to USM. The page carries the full CNX to USM nonstop schedule and who flies each departure, and the reverse direction is linked below. Flying the other way? See [USM to CNX nonstop flights](https://2lnr.com/routes/usm-cnx.md). Award seats rather than schedules? See [award availability by airline](https://2lnr.com/awards.md). Looking beyond this route? See [every route from Chiang Mai (CNX)](https://2lnr.com/routes/cnx.md), or [every route from Ko Samui (USM)](https://2lnr.com/routes/usm.md). Nonstops from Chiang Mai (CNX) to other airports within 150 miles of Ko Samui (USM): - [Chiang Mai (CNX) to Surat Thani (URT)](https://2lnr.com/routes/cnx-urt.md), 69 miles from USM - [Chiang Mai (CNX) to Nakhon Si Thammarat (NST)](https://2lnr.com/routes/cnx-nst.md), 75 miles from USM - [Chiang Mai (CNX) to Krabi (KBV)](https://2lnr.com/routes/cnx-kbv.md), 124 miles from USM 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 CNX to USM 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)