Na Thon (Ko Samui Island) to Chiang Mai (USM–CNX) — Airlines, Schedules & Connections

USM Airport Page →
641 mi airlines 21/wk
On-time Some delays Frequent delays
Flight Schedule 5 flights Verified 2h ago
Nonstop 1-Stop 2-Stop Hide separate tickets Hide overnight
  Flight Airline AC Dep Arr Dur OTP Sched  
BR3871
BR EVA
319
8:50 AM
+07
10:40 AM
+07
1h 50m
M T W T F S S
Prices
EY7642
EY Etihad
319
8:50 AM
+07
10:40 AM
+07
1h 50m
M T W T F S S
Prices
CI9632
CI China
319
8:50 AM
+07
10:40 AM
+07
1h 50m
M T W T F S S
Prices
CI9634
CI China
319
11:30 AM
+07
1:15 PM
+07
1h 45m
M T W T F S S
Prices
BR3872
BR EVA
319
11:30 AM
+07
1:15 PM
+07
1h 45m
M T W T F S S
Prices

No flights match your filters.

No nonstop flights on this route. connecting options below.

1-STOP
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Na Thon (Ko Samui Island) to Chiang Mai
3 carriers, 21 flights/week nonstop.
3 Airlines 21 Flights/wk 641 mi 1h 50m nonstop 4 1-stop hubs

USM–CNX is served by 3 airlines with nonstop service. EVA Air, China Airlines and Etihad Airways lead the route. The flight covers 641 miles in approximately 1h 50m. Beyond nonstop, 4 hubs offer 1-stop connections.

Airline Landscape

All carriers operating nonstop USM–CNX service, compared side by side.
Airline Freq/wk Aircraft Duration Dep OTP Alliance Codeshares
BR EVA Air 7 319 1h50 Star Alliance
CI China Airlines 7 319 1h50 SkyTeam
EY Etihad Airways 7 319 1h50
Aircraft on this route
319 Airbus A319 – BR, CI, EY
Alliance coverage
Star Alliance: BR (7 flights/wk, 33%)
SkyTeam: CI (7 flights/wk, 33%)
Unaffiliated: EY (7 flights/wk, 33%)
OTP based on airport-level delay snapshots. Duration ranges reflect seasonal/directional variation.

Weekly Schedule Pattern

Nonstop flight frequency by day of week, USM to CNX direction.
Mon
3
flights
Tue
3
flights
Wed
3
flights
Thu
3
flights
Fri
3
flights
Sat
3
flights
Sun
3
flights
Departure time distribution
12 AM6 AM12 PM6 PM12 AM
Morning departures
Afternoon/evening departures
3
Nonstop flights
21
Outbound / wk
14
Return / wk

Connection Landscape

Beyond nonstop. 1-stop and 2-stop options for USM to CNX.
1-STOP
One-Stop Connections
4
Hubs
~14h
Fastest
~19h
Longest
Verified with published schedule alignment and minimum connection time.
2-STOP
Two-Stop Connections
66
Candidates
Two-stop connections loaded in the connections tab above.
Connections computed from published schedules with minimum connection time verification. Use the interactive explorer above the fold to filter by airline, tier, and layover time.

Other ways to reach Chiang Mai from Na Thon (Ko Samui Island)

Nearby airports with service to Chiang Mai International Airport.
Metric USM→CNX URT→CNX KBV→CNX
Distance from USM 69 mi 124 mi
Nonstop airlines 3 1 1
Weekly flights 21 14 21
Flight time 1h 50m 1h 50m 1h 55m
Airports within 200 miles of USM with service to Chiang Mai International Airport.

Travel Essentials

Practical planning for this route.
Time Difference
0h
Chiang Mai is 0 hours the same as Na Thon (Ko Samui Island).
USM: +07 · CNX: +07

When it's 6:00 PM in Na Thon (Ko Samui Island), it's 6:00 PM in Chiang Mai.
Distance & Flight Time
641 mi / 1,032 km
Nonstop flight time is approximately 1h 50m.

USM–CNX Quick Facts

Key statistics for the Na Thon (Ko Samui Island) to Chiang Mai route.
Route details
Distance641 mi / 1,032 km
Flight time1h 50m
Time difference0 hours
Airlines (nonstop)3
Weekly flights21 out / 14 return
1-stop connections4 hubs
Origin: USM
IATA / ICAOUSM / VTSM
TimezoneAsia/Bangkok
Passengers/yr2.8M
Elevation64 ft / 20 m
Destination: CNX
IATA / ICAOCNX / VTCC
TimezoneAsia/Bangkok
Passengers/yr9.0M
Elevation1,036 ft / 316 m

Frequently Asked Questions

Common questions about USM to CNX flights.
Nonstop flights from Samui International Airport to Chiang Mai International Airport take approximately 1h 50m. The route covers 641 miles.
3 airlines operate nonstop service: EVA Air, China Airlines and Etihad Airways.
There are approximately 21 nonstop flights per week from USM to CNX. The return direction has about 14 weekly flights.
Yes, 1-stop connections are available through HKG, BKK, KBV and HKT. These options provide additional schedule flexibility.
Yes, return flights from CNX to USM are available. Use the direction toggle at the top to view the return schedule.
Nearby alternatives include URT, KBV and HKT. See the Alternatives section for a full comparison.
Click the 'Search Flights' button to check availability and prices on Google Flights. You can also compare airlines and schedules on this page to find the best option.
Route data is updated regularly from official airline schedules. On-time performance data comes from recent airport delay snapshots.

Flights from USM to CNX

Samui International Airport (USM) and Chiang Mai International Airport (CNX) are connected by nonstop service from EVA Air, China Airlines and Etihad Airways. With 21 weekly departures, this is a well served route.

USM to CNX Flight Duration and Schedule

Nonstop flight time from USM to CNX ranges from 1 hours 50 minutes. The route covers a distance of 641 miles (1,032 km). There are approximately 21 weekly flights outbound and 14 return, totaling 35 flights per week in both directions.

Connecting Options and Alternatives

4 one-stop connections are available, with the fastest taking approximately 14 hours via HKG. Two-stop connections are also available via intermediate hubs. Nearby alternative airports include Surat Thani (URT), Krabi (KBV) and Phuket (HKT).