Compare fares, departure times, stops and baggage details for this route, then open the full search when you are ready to check current availability and complete booking.
CNXUSMSat, 03 Oct
Fare checked before payment No hidden charges Transparent cancellation policy 24×7 booking support
Lowest fare฿7,239Bangkok Airways
Fastest1h 45mgate to gate
Options found46flights on this route
Find your flightCNX → USM
Available Flights & Fares
Compare fares, timings and baggage. Pick the flight that suits your trip.
Prices in THB
46 flight options
Fares are checked again before payment.
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Fare RulesRefundable fare. Final rules are verified before booking.
Type
Refundable
Fare Type
Publish
20 KG 7 KG
฿12,654
Flight DetailsCNX to USM - 4H :40 M
Baggage InfoCheck-in 20 KG - Cabin 7 KG
Fare RulesRefundable fare. Final rules are verified before booking.
Bangkok Airways
PG-224
11:55
2026-10-03
Chiang Mai (CNX)Chiang Mai International
4H :55 M
1 Stop
BKK
· 2h 25m Bangkok (BKK), Thailand
16:50
2026-10-03
Koh Samui (USM)Koh Samui
Refundable 9 Seat Left Economy
Check-in: 20 KGCabin: 7 KG
Type
Refundable
Fare Type
AirLine Private
20 KG 7 KG
฿8,359
Flight DetailsCNX to USM - 4H :55 M
Baggage InfoCheck-in 20 KG - Cabin 7 KG
Fare RulesRefundable fare. Final rules are verified before booking.
Type
Refundable
Fare Type
Publish
20 KG 7 KG
฿12,654
Flight DetailsCNX to USM - 4H :55 M
Baggage InfoCheck-in 20 KG - Cabin 7 KG
Fare RulesRefundable fare. Final rules are verified before booking.
Bangkok Airways
PG-224
11:55
2026-10-03
Chiang Mai (CNX)Chiang Mai International
5H :50 M
1 Stop
BKK
· 3h 20m Bangkok (BKK), Thailand
17:45
2026-10-03
Koh Samui (USM)Koh Samui
Refundable 9 Seat Left Economy
Check-in: 20 KGCabin: 7 KG
Type
Refundable
Fare Type
AirLine Private
20 KG 7 KG
฿8,359
Flight DetailsCNX to USM - 5H :50 M
Baggage InfoCheck-in 20 KG - Cabin 7 KG
Fare RulesRefundable fare. Final rules are verified before booking.
Type
Refundable
Fare Type
Publish
20 KG 7 KG
฿12,654
Flight DetailsCNX to USM - 5H :50 M
Baggage InfoCheck-in 20 KG - Cabin 7 KG
Fare RulesRefundable fare. Final rules are verified before booking.
Bangkok Airways
PG-216
10:10
2026-10-03
Chiang Mai (CNX)Chiang Mai International
10H :20 M
1 Stop
BKK
· 7h 50m Bangkok (BKK), Thailand
20:30
2026-10-03
Koh Samui (USM)Koh Samui
Refundable 9 Seat Left Economy
Check-in: 20 KGCabin: 7 KG
Type
Refundable
Fare Type
AirLine Private
20 KG 7 KG
฿8,409
Flight DetailsCNX to USM - 10H :20 M
Baggage InfoCheck-in 20 KG - Cabin 7 KG
Fare RulesRefundable fare. Final rules are verified before booking.
Type
Refundable
Fare Type
Publish
20 KG 7 KG
฿12,654
Flight DetailsCNX to USM - 10H :20 M
Baggage InfoCheck-in 20 KG - Cabin 7 KG
Fare RulesRefundable fare. Final rules are verified before booking.
No flights match the selected filters. Clear filters or open full search.
Today's Airfare Highlights
Selected flight highlights for 03 Oct 2026.
Lowest fare฿7,239Bangkok Airways11:55
Earliest departure฿9,040Thai Vietjet Air08:00
Shortest duration฿9,826Bangkok Airways11:35
Night
00:00-05:59
No optionOpen full search for moreMorning
06:00-11:59
฿7,239Bangkok Airways at 11:55Afternoon
12:00-17:59
฿8,909Thai Vietjet Air at 14:30Evening
18:00-23:59
฿7,759Bangkok Airways at 20:00
Departure & Arrival Airport Details
Chiang Mai (CNX)
Chiang Mai International
Thailand
GMT 7
Latitude: 18.766799926799997
Longitude: 98.962600708
Koh Samui (USM)
Koh Samui
Thailand
GMT 7
Latitude: 9.547789573669998
Longitude: 100.06199646
Distance: Chiang Mai (CNX), Thailand to Koh Samui (USM), Thailand - 1,031.92 km
Flights shown for 03 Oct 2026. View all flights opens the complete search result.
Fares and hotel rates usually run higher around these dates. Booking earlier — or shifting a day or two — often costs less.
Busiest periods: Cool dry season — peak (01 Nov – 28 Feb), Songkran week (10 Apr – 17 Apr), New Year period (20 Dec – 05 Jan).
05DecKing Bhumibol Memorial DaySaturday · in 83 days
10DecConstitution DayThursday · in 88 days
01JanNew Year's DayFriday · in 110 days
Fixed-date national holidays. Festivals that follow the lunar calendar shift each year and are not listed here — check the exact date for your travel year.
Compare your journey
How to travel Chiang Mai to Koh Samui
Every option we can actually book for you, compared on price and journey time.
Connecting flight₹20,924Longer — includes a stop45 options
Air distance is about 1,032 km. 2 airlines operate this route.
Road distance and coach duration are approximate estimates from the air distance, not a timetable.
Airlines flying from Chiang Mai to Koh Samui
Compare fares, stops, baggage and refundability across the airlines flying this route.
BA
Bangkok Airways Flights
from ฿7,23939 flights
Fares from
฿7,239
Non-stop
1 in these results
Departures
39 — compare timings in the list above
TH
Thai Vietjet Air Flights
from ฿8,9097 flights
Fares from
฿8,909
Non-stop
None in these results
Departures
7 — compare timings in the list above
Route Overview & Flight Facts
Fastest flight duration
1h 45m · Bangkok Airways
First departure of the day
08:00 · Thai Vietjet Air
Last departure of the day
20:00 · Bangkok Airways
Options in this snapshot
46
Direct / non-stop options
1
Airport codes
Chiang Mai–CNX, Koh Samui–USM
Fares and timings are indicative — the exact price is confirmed with the airline when you search.
Flight Schedule, Timings & Airfare Insights
Daily Flight Schedule & Travel Duration
Around 46 flights appear in the dated route snapshot, including 1 non-stop option. Departures run through the day — the first flight leaves around 08:00 and the last around 20:00. The fastest flight takes about 1h 45m.
Morning vs Evening Departure Fares
Lowest fare by departure window: Morning from ฿7,239, Evening from ฿7,759, Afternoon from ฿8,909. These observations do not predict the cheapest departure window on other dates.
Cheapest Airfare & Best Time to Book
Search your travel dates to compare current fares — prices update continuously with airline inventory.
One-Way vs Round-Trip Fare Comparison
Compare the complete cost and conditions of both options for your dates. A round-trip can have different fare and change rules from two one-way tickets. One booking may contain multiple airline PNRs; confirm baggage transfer and connection protection for separate tickets.
Online Web Check-In & Boarding Pass
Check the operating airline’s opening time and check-in deadline for each sector. Seat charges and availability depend on your fare. Use the airline reference and the links on Web Check-in.
How to Book Cheap Flights on FlyX
1
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2
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Sort or filter the Chiang Mai–Koh Samui results by price, departure time, stops and airline.
3
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4
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5
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Why Book Your Flight with FlyX?
Compare the available Chiang Mai to Koh Samui options by total price, stops, baggage and fare conditions. Search your dates for current availability, then review traveller details and the final price before paying.
Payment confirmation and ticket issuance are separate steps. If your booking is awaiting a PNR or ticket, follow its status and contact FlyX support when you need help. Your issued ticket contains the airline reference and itinerary. Change and cancellation charges depend on the purchased fare and any separately disclosed service fee.
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Frequently Asked Questions
Is it worth booking Chiang Mai to Koh Samui flights in advance?
There is no guaranteed cheapest booking window. Compare your planned dates early, check nearby dates and consider baggage, connection time and change conditions as well as price. Across the dates currently loaded for Chiang Mai to Koh Samui, Saturday shows the lowest fare at ฿7,239. That is an observed snapshot for these dates, not a rule that holds every week.
How far is Chiang Mai from Koh Samui by air?
The direct air distance between Chiang Mai (CNX) and Koh Samui (USM) is about 1,032 km. Actual flight time varies with the routing the airline files and with winds on the day.
Are there non-stop flights from CNX to USM?
Yes. 1 non-stop flight is showing on Chiang Mai to Koh Samui for the dates currently loaded. Use the Stops filter to see only those.
Which airlines fly Chiang Mai to Koh Samui?
Bangkok Airways and Thai Vietjet Air are showing on this route for the dates currently loaded. Fares, baggage allowance and refund rules differ by airline and by fare type, so compare the fare conditions and not only the headline price.
How long is the flight from Chiang Mai to Koh Samui?
The quickest non-stop Chiang Mai to Koh Samui flight currently loaded takes about 1h 45m. Journeys with a stop take longer, since the total includes the layover.
What is the baggage allowance on Chiang Mai to Koh Samui flights?
Allowance is set by the airline and the fare you pick, not by the route. Fares showing right now include 20 KG. Cabin baggage is counted separately, and the exact allowance for the fare you choose is shown in the fare conditions before payment.
What is the cheapest Chiang Mai to Koh Samui flight fare?
The lowest fare showing on Chiang Mai to Koh Samui for the dates currently loaded is ฿7,239. Fares on the same dates run up to ฿9,826, depending on airline, timing and fare type. Airline pricing moves continuously, so treat this as a dated observation rather than a fixed price.
What time do Chiang Mai to Koh Samui flights depart?
For the dates currently loaded the first departure is around 08:00 and the last is around 20:00, local time at Chiang Mai. Use the departure-time filter on the results above to narrow to a morning, afternoon or evening slot.
Why does the price change after clicking Book Now?
Airline seat inventory and fares change continuously. Selecting Book Now runs a live fare verification with the airline so the price you approve is the price you pay - if it has moved, you see the new figure before any payment.
Before you book this route
Check the airport codes CNX–USM, local departure and arrival dates, and every connecting airport. Connections can have different document and baggage requirements from your final destination.
Where these fares come from
The fares, durations, stops and baggage shown here come from real airline search results for this route. They are examples for the dates on this page, not a full timetable and not a locked price — run a search to see what is available for your own dates.
Last checked .
Check official travel requirements
Confirm passport, visa and transit rules for your nationality and full itinerary with the relevant government and operating airline. IATA travel-document information explains why requirements vary.
Planning more than the flight? Our Thailand guide covers the visa process for Indian passport holders, best time to go, how long to plan for, and which places are worth the days you have. Beaches, Bangkok and easy short breaks.
The CNX to USM cards above show selected flight options. Airline prices and seat availability can move quickly, so the final fare is rechecked in the booking flow.
Approx route distance: 1,031.92 km.
Before you book
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Lowest Chiang Mai to Koh Samui airfare today, in 30 days and in 90 days
Cheapest Fare
Fare
Date
Airline
Departure
Lowest Airfare Today
฿7,239
03/10/2026
Bangkok Airways
11:55
Cheapest Airfare Within 30 Days
฿7,094
13/10/2026
Bangkok Airways
11:55
Cheapest Airfare Within 90 Days
฿6,877
12/12/2026
Bangkok Airways
11:55
Book Chiang Mai to Koh Samui Flight Tickets on FlyX
Planning to fly from Chiang Mai to Koh Samui? FlyX lets you compare flight rates, airline timings, layovers, and baggage allowances all in one simple list. From quick non-stop routes to flexible connecting options, finding and booking cheap air tickets has never been easier.
Chiang Mai to Koh Samui Flight Distance, Duration and Time
The aerial distance between Chiang Mai and Koh Samui is approximately 1,032 KM. The flight duration ranges from 1H :45 M up to 20H :20 M depending on whether you book a non-stop flight or a connecting schedule with layovers.
Chiang Mai to Koh Samui Flight Schedule and Timing
Around 46 flights operate on this route, providing plenty of choices for your travel window. The earliest morning flight departs from Chiang Mai at 08:00, while the last night flight leaves at 20:00. Flights depart from Chiang Mai International and land at Koh Samui.
Flight Route Details & Analysis
Flight Details
Information
Route
Chiang Mai to Koh Samui
Aerial Distance
1,032 KM
Flight Duration
1H :45 M - 20H :20 M
Airport Codes
Chiang Mai - CNX, Koh Samui - USM
Total Flights Available
46 flights (1 direct)
First Flight Departure
Departs at 08:00
Last Flight Departure
Departs at 20:00
Early Morning Flights (12 AM - 8 AM)
0 direct/indirect flights
Morning Flights (8 AM - 12 PM)
28 direct/indirect flights
Afternoon Flights (12 PM - 4 PM)
3 direct/indirect flights
Evening Flights (4 PM - 8 PM)
0 direct/indirect flights
Night Flights (8 PM - 12 AM)
15 direct/indirect flights
Airport Information & Terminals
CNX: Chiang Mai airport. Chiang Mai airport may offer metro, rail, bus and taxi options. Choose public transport for daytime light-luggage arrivals; choose a cab or hotel transfer for family trips and late landings.
USM: Koh Samui airport. Koh Samui airport may offer metro, rail, bus and taxi options. Choose public transport for daytime light-luggage arrivals; choose a cab or hotel transfer for family trips and late landings.
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Chiang Mai International