฿4,040 Cheap Bangkok Airways flights from Chiang Mai to Samui Intl. Airport (CNX→USM)

View ฿4,040 flight on Sat, 23 May 2026Opens in a new window

  • Be in the know

    Get alerts if flight prices drop or rise*

  • Book smarter

    Save up to 40% on select hotels after you book a flight*

  • Earn twice

    Earn your airline miles on top of our rewards
    Sign in

Bangkok Airways flights from Chiang Mai to Samui Intl. Airport (CNX→USM)

Prices were available within the past 7 days and start at ฿4,040 for one-way flights and ฿8,250 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Bangkok Airways
Sat, 23 May - Fri, 29 May
CNX
Chiang Mai
USM
Koh Samui
฿8,250 Return, just found
฿8,250
Return
just found
Select Bangkok Airways flight, departing Sat, 23 May from Chiang Mai to Koh Samui, returning Fri, 29 May, priced at ฿8,250 just found
Bangkok Airways
Thu, 7 May - Wed, 13 May
CNX
Chiang Mai
USM
Koh Samui
฿8,410 Return, just found
฿8,410
Return
just found
Select Bangkok Airways flight, departing Thu, 7 May from Chiang Mai to Koh Samui, returning Wed, 13 May, priced at ฿8,410 just found
Bangkok Airways
Wed, 22 Apr - Sat, 25 Apr
CNX
Chiang Mai
USM
Koh Samui
฿8,415 Return, found 13 hours ago
฿8,415
Return
found 13 hours ago
Select Bangkok Airways flight, departing Wed, 22 Apr from Chiang Mai to Koh Samui, returning Sat, 25 Apr, priced at ฿8,415 found 13 hours ago
Bangkok Airways
Thu, 7 May - Wed, 13 May
CNX
Chiang Mai
USM
Koh Samui
฿8,540 Return, just found
฿8,540
Return
just found
Select Bangkok Airways flight, departing Thu, 7 May from Chiang Mai to Koh Samui, returning Wed, 13 May, priced at ฿8,540 just found
Bangkok Airways
Wed, 22 Apr - Sat, 25 Apr
CNX
Chiang Mai
USM
Koh Samui
฿8,545 Return, found 13 hours ago
฿8,545
Return
found 13 hours ago
Select Bangkok Airways flight, departing Wed, 22 Apr from Chiang Mai to Koh Samui, returning Sat, 25 Apr, priced at ฿8,545 found 13 hours ago
Bangkok Airways
Thu, 7 May - Wed, 13 May
CNX
Chiang Mai
USM
Koh Samui
฿8,565 Return, just found
฿8,565
Return
just found
Select Bangkok Airways flight, departing Thu, 7 May from Chiang Mai to Koh Samui, returning Wed, 13 May, priced at ฿8,565 just found

Alternative airports near Koh Samui

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Samui Intl. Airport USM. Cheapest and Closest option available. Average driving time to city centre is 31 minutes. Flights from ฿16,915
USM
Samui Intl. Airport
CheapestClosest
Average driving time to city centre31 min
Flights from ฿16,915

Find the cheapest month to fly from Chiang Mai (CNX) to Koh Samui (USM)

September is typically the cheapest month to fly

From ฿5,890 - ฿13,784 per traveller.
Flight from 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 ฿8,250 from CNX to USM. Affordable one-way fares from ฿4,040 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. 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.