--- title: "Ko Samui to Chiang Mai flights: who flies USM-CNX" description: "Bangkok Airways flies nonstop from USM to CNX, about 7 flights a week as PG 241, scheduled at 1h 45m to 1h 50m. See the full timetable and who flies it on 2LNR." canonical: "https://2lnr.com/routes/usm-cnx" url: "https://2lnr.com/routes/usm-cnx.md" date_modified: "2026-10-18T05:10:47Z" --- # Ko Samui to Chiang Mai (USM-CNX): nonstop flights and who flies them Bangkok Airways flies the USM to CNX nonstop about 7 times a week. In the timetable below it flies as PG 241, scheduled at 1h 45m to 1h 50m 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 USM to CNX on the interactive map [Get started free](https://2lnr.com/login) 7 Flights a week, 4-week average 1h 45m to 1h 50m Scheduled flight time 641 mi Nonstop distance Free To get started ## Ko Samui to Chiang Mai flight schedule Scheduled nonstop departures for USM 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 Ko Samui (USM) to Chiang Mai (CNX) | Date | Flight | Airline | Departs USM | Arrives CNX | Duration | Aircraft | | :--- | :--- | :--- | :--- | :--- | :--- | :--- | | Thu, Oct 22 | PG 241 | Bangkok Airways | 08:55 | 10:40 | 1h 45m | Airbus A319 | | Fri, Oct 23 | PG 241 | Bangkok Airways | 08:55 | 10:40 | 1h 45m | Airbus A319 | | Sat, Oct 24 | PG 241 | Bangkok Airways | 08:55 | 10:40 | 1h 45m | Airbus A319 | | Sun, Oct 25 | PG 241 | Bangkok Airways | 08:50 | 10:40 | 1h 50m | Airbus A319 | | Mon, Oct 26 | PG 241 | Bangkok Airways | 08:50 | 10:40 | 1h 50m | Airbus A319 | | Tue, Oct 27 | PG 241 | Bangkok Airways | 08:50 | 10:40 | 1h 50m | Airbus A319 | | Wed, Oct 28 | PG 241 | Bangkok Airways | 08:50 | 10:40 | 1h 50m | Airbus A319 | Showing all 7 scheduled USM 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 USM to CNX date on the interactive map ## Aircraft on the Ko Samui to Chiang Mai nonstop Bangkok Airways flies the Airbus A319 on every departure in the schedule table on this page. ## The full USM to CNX nonstop schedule This page carries the full USM 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 USM to CNX nonstop and how often it runs, from 2LNR's schedule data. ### Plan on the map See USM to CNX on the interactive route map, with schedules, connections, and route statistics. ## Airlines flying Ko Samui to Chiang Mai nonstop Carriers operating USM to CNX 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 USM to CNX on the interactive map → ## Frequently asked questions about USM to CNX **How long is the flight from Ko Samui (USM) to Chiang Mai (CNX)?** Scheduled flight times from Ko Samui (USM) to Chiang Mai (CNX) run from 1h 45m to 1h 50m across the departures 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 USM to CNX?** Bangkok Airways is currently the only airline flying USM to CNX nonstop. 2LNR doesn't show award or upgrade space for it on USM to CNX, so this page carries the schedule rather than a space claim. **How many flights a week are there from USM to CNX?** About 7 nonstop flights a week run between Ko Samui (USM) and Chiang Mai (CNX) 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 USM to CNX depart?** Scheduled USM to CNX nonstops in the next 7 days with service leave between 08:50 and 08:55, local time at Ko Samui. The schedule table on this page lists every departure by date, with its arrival time and aircraft. **Which flights operate USM to CNX nonstop?** Bangkok Airways flies PG 241 nonstop from Ko Samui (USM) to Chiang Mai (CNX), 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 USM to CNX?** Not on this route: 2LNR doesn't show award or upgrade space for Bangkok Airways on USM to CNX. The page carries the full USM to CNX nonstop schedule and who flies each departure, and the reverse direction is linked below. Flying the other way? See [CNX to USM nonstop flights](https://2lnr.com/routes/cnx-usm.md). Award seats rather than schedules? See [award availability by airline](https://2lnr.com/awards.md). Looking beyond this route? See [every route from Ko Samui (USM)](https://2lnr.com/routes/usm.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 Ko Samui (USM): - [Surat Thani (URT) to Chiang Mai (CNX)](https://2lnr.com/routes/urt-cnx.md), 69 miles from USM - [Nakhon Si Thammarat (NST) to Chiang Mai (CNX)](https://2lnr.com/routes/nst-cnx.md), 75 miles from USM - [Krabi (KBV) to Chiang Mai (CNX)](https://2lnr.com/routes/kbv-cnx.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 USM 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)