Bangkok Airways Cheap Flights from Chiang Mai to Samui Intl. Airport

View €179 flight on Mon, 25 May 2026Opens in a new window
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Prices were available within the past 7 days and start at €179 for one-way flights and €362 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Bangkok Airways
Mon, 1 Jun - Mon, 29 Jun
CNX
Chiang Mai
USM
Koh Samui
€362 Return, found 1 day ago
€362
Return
found 1 day ago
Select Bangkok Airways flight, departing Mon, 1 Jun from Chiang Mai to Koh Samui, returning Mon, 29 Jun, priced at €362 found 1 day ago
Bangkok Airways
Sat, 18 Oct - Sun, 19 Oct
CNX
Chiang Mai
USM
Koh Samui
€371 Return, found 14 hours ago
€371
Return
found 14 hours ago
Select Bangkok Airways flight, departing Sat, 18 Oct from Chiang Mai to Koh Samui, returning Sun, 19 Oct, priced at €371 found 14 hours ago
Bangkok Airways
Sat, 18 Oct - Sun, 19 Oct
CNX
Chiang Mai
USM
Koh Samui
€374 Return, found 14 hours ago
€374
Return
found 14 hours ago
Select Bangkok Airways flight, departing Sat, 18 Oct from Chiang Mai to Koh Samui, returning Sun, 19 Oct, priced at €374 found 14 hours ago
Bangkok Airways
Mon, 29 Jun - Thu, 2 Jul
CNX
Chiang Mai
USM
Koh Samui
€379 Return, found 6 days ago
€379
Return
found 6 days ago
Select Bangkok Airways flight, departing Mon, 29 Jun from Chiang Mai to Koh Samui, returning Thu, 2 Jul, priced at €379 found 6 days ago
Bangkok Airways
Sat, 18 Oct - Sun, 19 Oct
CNX
Chiang Mai
USM
Koh Samui
€380 Return, found 14 hours ago
€380
Return
found 14 hours ago
Select Bangkok Airways flight, departing Sat, 18 Oct from Chiang Mai to Koh Samui, returning Sun, 19 Oct, priced at €380 found 14 hours ago
Bangkok Airways
Sat, 18 Oct - Sun, 19 Oct
CNX
Chiang Mai
USM
Koh Samui
€383 Return, found 14 hours ago
€383
Return
found 14 hours ago
Select Bangkok Airways flight, departing Sat, 18 Oct from Chiang Mai to Koh Samui, returning Sun, 19 Oct, priced at €383 found 14 hours ago
Chiang Mai to Samui Intl. Airport route information
Origin airport
Chiang Mai Intl.
Destination airport
Samui Intl. Airport
Airlines serving
Bangkok Airways
Popular airline
Bangkok Airways
Distance
1025 km
Average flight time
1 hour 45 mins

Frequently asked questions

How much is a Bangkok Airways flight from Chiang Mai Intl. Airport (CNX) to Ko Samui Airport (USM)?
Use the "Price (lowest to highest)" filter on Expedia to look for cheap Bangkok Airways return flights from €362 from CNX to USM. Affordable one-way fares from €179 are available too.**These prices were available on Expedia within the past 7 days, for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.
What is the cheapest month to fly from CNX to USM with Bangkok Airways?
October is one of the most affordable months to fly to Koh Samui with Bangkok Airways. You could also find fantastic deals on one-way and round-trip fares in September.
Does Bangkok Airways fly nonstop from Chiang Mai Intl. Airport (CNX) to Ko Samui Airport (USM)?
Easily travel from Chiang Mai Intl. Airport (CNX) to Ko Samui Airport (USM) on any of Bangkok Airways's 7 direct weekly flights. Apply our "Nonstop" and "Airline" filters to find the Bangkok Airways flight that'll land at USM at your preferred time.
How long does it take to fly from CNX to USM with Bangkok Airways?
It takes approximately 1h 45m to travel nonstop from Chiang Mai Intl. Airport (CNX) to Ko Samui Airport (USM) with Bangkok Airways.
What airports does Bangkok Airways fly into in Koh Samui?
Ko Samui Airport (USM) is the main Koh Samui gateway for Bangkok Airways flights from Chiang Mai Intl. Airport (CNX).
What kind of luggage can I take on a Bangkok Airways flight from Chiang Mai Intl. Airport (CNX) to Ko Samui Airport (USM)?
On Bangkok Airways, you can fly standard economy from CNX to USM with a small personal item and 1 cabin bag. Your carry-on bag should be no bigger than 56 centimetres x 36 centimetres x 23 centimetres and weigh less than 5 kgs (11 lbs). Exceeding baggage limits can lead to additional fees, so read your carrier's latest guidelines before completing your booking.
What type of plane does Bangkok Airways fly from Chiang Mai Intl. Airport (CNX) to Ko Samui Airport (USM)?
Bangkok Airways typically uses Airbus A319 planes for journeys from Chiang Mai Intl. Airport (CNX) to Ko Samui Airport (USM). Bear in mind that aircraft type can vary depending on operational requirements, so the plane you board might be different on your travel date.
Can I change or cancel my Bangkok Airways flight from Chiang Mai Intl. Airport (CNX) to Ko Samui Airport (USM)?
Depending on the type of fare you purchased, a fee generally applies if you modify or cancel your booking more than 24 hours after it's been confirmed. To secure plane tickets with more flexibility, select our "Changes included" and "No cancel fee" boxes while looking for flights. For more information on cancelling or modifying your reservation, head to "Trips," select your flight and tick "Manage Booking."
*Available to Expedia members.