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.
USMCNXSat, 03 Oct
Fare checked before payment No hidden charges Transparent cancellation policy 24×7 booking support
Lowest fare฿6,953Bangkok Airways
Fastest1h 45mgate to gate
Options found68flights on this route
Find your flightUSM → CNX
Available Flights & Fares
Compare fares, timings and baggage. Pick the flight that suits your trip.
Prices in THB
68 flight options
Fares are checked again before payment.
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Fare RulesRefundable fare. Final rules are verified before booking.
Bangkok Airways
PG-100
06:00
2026-10-03
Koh Samui (USM)Koh Samui
13H :00 M
1 Stop
BKK
· 10h 20m Bangkok (BKK), Thailand
19:00
2026-10-03
Chiang Mai (CNX)Chiang Mai International
Refundable 9 Seat Left Economy
Check-in: 20 KGCabin: 7 KG
Type
Refundable
Fare Type
Publish
20 KG 7 KG
฿8,894
Flight DetailsUSM to CNX - 13H :00 M
Baggage InfoCheck-in 20 KG - Cabin 7 KG
Fare RulesRefundable fare. Final rules are verified before booking.
Bangkok Airways
PG-100
06:00
2026-10-03
Koh Samui (USM)Koh Samui
14H :00 M
1 Stop
BKK
· 11h 20m Bangkok (BKK), Thailand
20:00
2026-10-03
Chiang Mai (CNX)Chiang Mai International
Refundable 9 Seat Left Economy
Check-in: 20 KGCabin: 7 KG
Type
Refundable
Fare Type
Publish
20 KG 7 KG
฿8,894
Flight DetailsUSM to CNX - 14H :00 M
Baggage InfoCheck-in 20 KG - Cabin 7 KG
Fare RulesRefundable fare. Final rules are verified before booking.
Bangkok Airways
PG-106
08:45
2026-10-03
Koh Samui (USM)Koh Samui
8H :30 M
1 Stop
BKK
· 5h 50m Bangkok (BKK), Thailand
17:15
2026-10-03
Chiang Mai (CNX)Chiang Mai International
Refundable 9 Seat Left Economy
Check-in: 20 KGCabin: 7 KG
Type
Refundable
Fare Type
Publish
20 KG 7 KG
฿8,894
Flight DetailsUSM to CNX - 8H :30 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฿6,953Bangkok Airways08:55
Earliest departure฿8,723Bangkok Airways06:00
Shortest duration฿6,953Bangkok Airways08:55
Night
00:00-05:59
No optionOpen full search for moreMorning
06:00-11:59
฿6,953Bangkok Airways at 08:55Afternoon
12:00-17:59
฿8,592Bangkok Airways at 14:00Evening
18:00-23:59
฿9,193Bangkok Airways at 18:55
Departure & Arrival Airport Details
Koh Samui (USM)
Koh Samui
Thailand
GMT 7
Latitude: 9.547789573669998
Longitude: 100.06199646
Chiang Mai (CNX)
Chiang Mai International
Thailand
GMT 7
Latitude: 18.766799926799997
Longitude: 98.962600708
Distance: Koh Samui (USM), Thailand to Chiang Mai (CNX), 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 84 days
10DecConstitution DayThursday · in 89 days
01JanNew Year's DayFriday · in 111 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 Koh Samui to Chiang Mai
Every option we can actually book for you, compared on price and journey time.
Connecting flight₹24,798Longer — includes a stop67 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 Koh Samui to Chiang Mai
Compare fares, stops, baggage and refundability across the airlines flying this route.
BA
Bangkok Airways Flights
from ฿6,95365 flights
Fares from
฿6,953
Non-stop
1 in these results
Departures
65 — compare timings in the list above
SI
Singapore Airlines Flights
from ฿13,8513 flights
Fares from
฿13,851
Non-stop
None in these results
Departures
3 — compare timings in the list above
Route Overview & Flight Facts
Fastest flight duration
1h 45m · Bangkok Airways
First departure of the day
06:00 · Bangkok Airways
Last departure of the day
20:50 · Bangkok Airways
Options in this snapshot
68
Direct / non-stop options
1
Airport codes
Koh Samui–USM, Chiang Mai–CNX
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 68 flights appear in the dated route snapshot, including 1 non-stop option. Departures run through the day — the first flight leaves around 06:00 and the last around 20:50. The fastest flight takes about 1h 45m.
Morning vs Evening Departure Fares
Lowest fare by departure window: Morning from ฿6,953, Afternoon from ฿8,592, Evening from ฿9,193. 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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Choose one-way or round-trip, pick your dates and travellers in the search form above.
2
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Sort or filter the Koh Samui–Chiang Mai 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 Koh Samui to Chiang Mai 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.
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Frequently Asked Questions
Is it worth booking Koh Samui to Chiang Mai 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 Koh Samui to Chiang Mai, Saturday shows the lowest fare at ฿6,953. That is an observed snapshot for these dates, not a rule that holds every week.
How far is Koh Samui from Chiang Mai by air?
The direct air distance between Koh Samui (USM) and Chiang Mai (CNX) 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 USM to CNX?
Yes. 1 non-stop flight is showing on Koh Samui to Chiang Mai for the dates currently loaded. Use the Stops filter to see only those.
Which airlines fly Koh Samui to Chiang Mai?
Bangkok Airways and Singapore Airlines 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 Koh Samui to Chiang Mai?
The quickest non-stop Koh Samui to Chiang Mai 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 Koh Samui to Chiang Mai flights?
Allowance is set by the airline and the fare you pick, not by the route. Fares showing right now include 20 KG and 25 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 Koh Samui to Chiang Mai flight fare?
The lowest fare showing on Koh Samui to Chiang Mai for the dates currently loaded is ฿6,953. Fares on the same dates run up to ฿13,851, 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 Koh Samui to Chiang Mai flights depart?
For the dates currently loaded the first departure is around 06:00 and the last is around 20:50, local time at Koh Samui. 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 USM–CNX, 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 USM to CNX 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 Koh Samui to Chiang Mai airfare today, in 30 days and in 90 days
Cheapest Fare
Fare
Date
Airline
Departure
Lowest Airfare Today
฿6,953
03/10/2026
Bangkok Airways
08:55
Cheapest Airfare Within 30 Days
฿6,814
12/10/2026
Bangkok Airways
08:55
Cheapest Airfare Within 90 Days
฿6,606
11/12/2026
Bangkok Airways
08:55
Book Koh Samui to Chiang Mai Flight Tickets on FlyX
Planning to fly from Koh Samui to Chiang Mai? 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.
Koh Samui to Chiang Mai Flight Distance, Duration and Time
The aerial distance between Koh Samui and Chiang Mai is approximately 1,032 KM. The flight duration ranges from 1H :45 M up to 18H :00 M depending on whether you book a non-stop flight or a connecting schedule with layovers.
Koh Samui to Chiang Mai Flight Schedule and Timing
Around 68 flights operate on this route, providing plenty of choices for your travel window. The earliest morning flight departs from Koh Samui at 06:00, while the last night flight leaves at 20:50. Flights depart from Koh Samui and land at Chiang Mai International.
Flight Route Details & Analysis
Flight Details
Information
Route
Koh Samui to Chiang Mai
Aerial Distance
1,032 KM
Flight Duration
1H :45 M - 18H :00 M
Airport Codes
Koh Samui - USM, Chiang Mai - CNX
Total Flights Available
68 flights (1 direct)
First Flight Departure
Departs at 06:00
Last Flight Departure
Departs at 20:50
Early Morning Flights (12 AM - 8 AM)
21 direct/indirect flights
Morning Flights (8 AM - 12 PM)
12 direct/indirect flights
Afternoon Flights (12 PM - 4 PM)
13 direct/indirect flights
Evening Flights (4 PM - 8 PM)
16 direct/indirect flights
Night Flights (8 PM - 12 AM)
6 direct/indirect flights
Airport Information & Terminals
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.
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.
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Koh Samui