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. Bangkok Airways sets the rhythm here, a few flights a day with a small premium cabin on each, so a date with open space is worth acting on the day you see it. Bangkok Airways fly the route nonstop in 2LNR's schedule data; the timetable and the reverse direction are below.

Schedule last confirmed . Departure times come from 2LNR's schedule data; confirm with the airline before you book.

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7
Nonstop flights a week
641 mi
Nonstop distance
Free
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Chiang Mai to Ko Samui flight schedule

Scheduled nonstop departures for CNX to USM, last checked against our schedule feed on September 6, 2026. Airlines retime and cancel flights, so confirm with the airline before you book.

Schedule data dated .

Scheduled nonstop departures from Chiang Mai (CNX) to Ko Samui (USM)
Date Flight Airline Departs CNX Arrives USM Duration Aircraft
PG 242Bangkok Airways11:3513:201h 45m319
PG 242Bangkok Airways11:3513:201h 45m319
PG 242Bangkok Airways11:3513:201h 45m319
PG 242Bangkok Airways11:3513:201h 45m319
PG 242Bangkok Airways11:3513:201h 45m319
PG 242Bangkok Airways11:3513:201h 45m319
PG 242Bangkok Airways11:3513:201h 45m319

Showing all 7 scheduled CNX to USM departures across the next 7 days with service. 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 has not filed that value in the schedule data we hold. Aircraft are IATA equipment codes as filed, and can change up to departure.

See every CNX to USM date on the interactive map

The full CNX to USM nonstop schedule

Bangkok Airways fly the route nonstop in 2LNR's schedule data. 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 real availability

Confirmed upgrade and award seats on each CNX to USM departure, checked against live inventory so you know what is open before you book.

Set an alert

Premium inventory turns over fast. Watch this route and 2LNR notifies you when space appears on a date you are tracking.

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. 2LNR tracks confirmed upgrade and award space on each of them.

See CNX to USM on the interactive map →

Frequently asked questions about CNX to USM

How far is Ko Samui from Chiang Mai?
CNX to USM covers about 641 miles nonstop. Flight times vary by aircraft and season; the schedule table on this page lists each scheduled departure with its own times.
Which airlines fly nonstop from CNX to USM?
Bangkok Airways is currently the only airline flying CNX to USM nonstop. None of them is a carrier 2LNR reads inventory for, so this page carries the CNX to USM 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 and Ko Samui 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?
In the next 7 days with service, every scheduled CNX to USM nonstop leaves at 11:35 local time at Chiang Mai. The schedule table on this page lists each departure by date.
Does 2LNR show upgrade or award space on CNX to USM?
Not on this route: none of Bangkok Airways is a carrier 2LNR reads inventory for. The page carries the full CNX to USM nonstop schedule and who flies each departure, and the reverse direction is linked below.

See the full CNX to USM nonstop schedule

Every scheduled departure on this route, with who flies it. On the routes 2LNR does read inventory for, upgrade and award space shows by date, the next 14 days free on every product and the full horizon on Pro.

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