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Cheap flights from Ko Samui to Chiang Mai from ฿4,136

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 3/9. Fares are subject to change and may not be available on all flights or dates of travel.
USM — CNX
21 Jul — 28 Jul1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Ko Samui to Chiang Mai

Enter your travel dates to find the best prices.

Cheapest flights from Ko Samui to Chiang Mai
Explore the most affordable flight options available from Ko Samui to Chiang Mai. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 21 June 2026.

Fri 16/1008:55
USM
-
CNX
Nonstop1h 45m
Bangkok Airways
Fri 23/1020:00
CNX
-
USM
1 stop11h 10m
Bangkok Airways
Deal found 20/6฿7,976
Wed 16/908:55
USM
-
CNX
Nonstop1h 45m
Multiple Airlines
Sun 27/916:30
CNX
-
USM
1 stop14h 40m
Multiple Airlines
Deal found 18/6฿8,009
Fri 16/1008:55
USM
-
CNX
Nonstop1h 45m
Multiple Airlines
Fri 23/1017:45
CNX
-
USM
2 stops13h 25m
Multiple Airlines
Deal found 20/6฿8,994
Sun 1/1108:50
USM
-
CNX
Nonstop1h 50m
Bangkok Airways
Thu 5/1119:45
CNX
-
USM
1 stop12h 55m
Bangkok Airways
Deal found 19/6฿9,617
Sat 11/706:00
USM
-
CNX
1 stop5h 20m
Multiple Airlines
Tue 14/706:35
CNX
-
USM
1 stop10h 00m
Multiple Airlines
Deal found 20/6฿11,390
Wed 24/610:00
USM
-
CNX
1 stop11h 50m
Multiple Airlines
Tue 30/610:55
CNX
-
USM
1 stop9h 30m
Multiple Airlines
Deal found 19/6฿11,653

Find flight deals from Ko Samui to Chiang Mai

Discover tips and strategies to find the most affordable flight options for your journey from Ko Samui (USM) to Chiang Mai (CNX). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 21 June 2026.

Round-trip from

฿7,976

One-way from

฿4,136

Popular in

March

Cheapest in

April

Good one-way deal

฿6,124 or less
Bangkok Airways
  • Bangkok Airways
  • 16/10-23/10
  • 1 total stop
  • 12h 55m total
  • Ko Samui to Chiang Mai
Search Deals
Bangkok Airways
  • Bangkok Airways
  • 3/9
  • Nonstop
  • 1h 45m total
  • Ko Samui to Chiang Mai
Search Deals
High demand for flights, 14% potential price rise
Search Deals
Cheapest flight prices on average. 4% potential price decrease (฿16,477 potential savings vs. average return price).
Search Deals
Price to beat on a one-way flight from Ko Samui to Chiang Mai.
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Ko Samui to Chiang Mai that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 17,341 searches. Data last updated 21 June 2026.
Use the filters below to find and compare flights from Ko Samui to Chiang Mai that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

Ko SamuiChiang Mai

USM - CNX

USMCNX

Ko Samui

Sun 1/11

08:50-10:40

Nonstop1h 50m

Chiang Mai

Thu 5/11

19:45-08:40

1 stop12h 55m

฿9,683

Ko SamuiChiang Mai

USM - CNX

USMCNX

Ko Samui

Thu 2/7

08:55-10:40

Nonstop1h 45m

Chiang Mai

Sun 5/7

19:45-07:10

1 stop11h 25m

฿11,948

Ko SamuiChiang Mai

USM - CNX

USMCNX

Ko Samui

Fri 3/7

19:00-21:50

2 stops26h 50m

Chiang Mai

Sun 5/7

22:30-19:15

2 stops20h 45m

฿13,261

Ko SamuiChiang Mai

USM - CNX

USMCNX

Ko Samui

Sat 11/7

17:00-22:45

2 stops5h 45m

Chiang Mai

Tue 14/7

15:05-19:45

1 stop4h 40m

฿13,688

Ko SamuiChiang Mai

USM - CNX

USMCNX

Ko Samui

Sat 8/8

19:45-07:25

1 stop11h 40m

Chiang Mai

Sun 16/8

08:15-14:55

1 stop6h 40m

฿13,885

Ko SamuiChiang Mai

USM - CNX

USMCNX

Ko Samui

Sat 11/7

08:55-10:40

Nonstop1h 45m

Chiang Mai

Tue 14/7

20:00-07:45

1 stop11h 45m

฿14,213
Fastest return journey

Ko SamuiChiang Mai

USM - CNX

USMCNX

Ko Samui

Fri 31/7

15:55-20:45

1 stop4h 50m

Chiang Mai

Fri 7/8

15:45-20:45

1 stop5h 00m

฿14,344

Ko SamuiChiang Mai

USM - CNX

USMCNX

Ko Samui

Sun 2/8

08:55-10:40

Nonstop1h 45m

Chiang Mai

Sun 9/8

06:50-19:45

1 stop12h 55m

฿15,132
Cheapest one-way

Ko SamuiChiang Mai

USM - CNX

USMCNX

Ko Samui

Tue 20/10

18:25-23:25

1 stop5h 00m

฿4,563

Ko SamuiChiang Mai

USM - CNX

USMCNX

Ko Samui

Thu 17/9

07:50-13:45

1 stop5h 55m

฿4,989

Flights are sorted by cheapest return flights first.

Deals found on 20/6

Showing 1-10 of 12 resultsSorted by cheapest first
1
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Best time to book a flight from Ko Samui to Chiang Mai

Have a flexible travel schedule? Discover the best time to fly to Chiang Mai from Ko Samui with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Ko Samui to Chiang Mai

What is the cheapest time of day to fly from USM to CNX?

Find hourly flight availability from Ko Samui to Chiang Mai. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 21 June 2026.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Ko Samui to Chiang Mai as you normally would.

Related info for your journey

Find useful and relevant information for your journey from Ko Samui to Chiang Mai. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How popular is this Ko Samui to Chiang Mai flight route?

    Flights from Ko Samui to Chiang Mai have been viewed 1 times in the past calendar month.

  • How long is the flight from Ko Samui to Chiang Mai?

    A quick flight from Ko Samui to Chiang Mai can take about 1h 50m. Bangkok Airways provides one of the quickest options available for as low as ฿9,683. The distance between Ko Samui and Chiang Mai is about 1032 km. Most flights are nonstop.

  • What are the most reliable airlines from Ko Samui to Chiang Mai?

    The top 3 most reliable airlines when flying from Ko Samui to Chiang Mai are EVA Air (93%), Thai Airways (93%) and เอทิฮัดแอร์เวย์ (93%).

  • What are the cheapest flights from Ko Samui to Chiang Mai?

    Looking at all options, your cheapest flight can be booked for ฿5,124. While the most popular route (Ko Samui - Chiang Mai) can be booked for ฿8,009 on average, our data indicates ฿6,124 when flying from Ko Samui to Chiang Mai.

  • Can I find deals for flights from Ko Samui to Chiang Mai that include hotel bookings?

    Yes. In addition to deals on Ko Samui to Chiang Mai flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Ko Samui to Chiang Mai?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Ko Samui to Chiang Mai.

  • Can I find deals for business class flights from Ko Samui to Chiang Mai?

    Yes. Cheapflights offers flight deals from Ko Samui to Chiang Mai by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Ko Samui to Chiang Mai

See prices for flight routes from nearby airports that may be better suited for you.
Chiang Mai to Krabi flights
Chiang Mai to Phuket City flights
Phuket City to Chiang Mai flights
Chiang Mai to Ko Samui flights
Phuket City to Ko Samui flights

Fly with Cheapflights

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How does Cheapflights help users find flights from Ko Samui to Chiang Mai?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Ko Samui to Chiang Mai. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

Why should you use Cheapflights to find cheap flight tickets from Ko Samui to Chiang Mai?

Millions of users choose and trust Cheapflights to book the best flight deals from Ko Samui to Chiang Mai for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

Can Cheapflights find flights from Ko Samui to Chiang Mai with no change fees?

Cheapflights does show flights with no change fees to all users. To see these options for flights from Ko Samui to Chiang Mai, users can toggle the no change fees filter when performing a flight search.

Can Cheapflights notify me if prices for flights from Ko Samui to Chiang Mai become cheaper?

Of course! You can now track prices for flights from Ko Samui to Chiang Mai and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

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