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ภาษาไทย

Cheap flights from Ko Samui to Chiang Mai from ฿3,107

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 13/10. Fares are subject to change and may not be available on all flights or dates of travel.
USM — CNX
17 Oct — 24 Oct1
1 adult
1 adult, Economy

Cheap 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 17 September 2025.

Round-trip from

฿6,784

One-way from

฿3,107

Popular in

January

Cheapest in

May

Average price

฿10,842

Good one-way deal

฿2,736 or less
24/10-24/10
  • 24/10-24/10
  • 1 total stop
  • 10h 40m total
  • Ko Samui to Chiang Mai
Search Deals
Bangkok Airways
  • Bangkok Airways
  • 13/10
  • Nonstop
  • 1h 45m total
  • Ko Samui to Chiang Mai
Search Deals
Highest demand for flights based on searches. 11% potential increase in price (฿49,900 potential increase over avg. return price).
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Cheapest flight prices on average. 3% potential price decrease (฿14,106 potential savings vs. average return price).
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Average for round-trip flights in September 2025
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Price to beat on a one-way flight from Ko Samui to Chiang Mai.
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Find flight deals from Ko Samui to Chiang Mai

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 17 September 2025.

Fri 24/1008:55USM - CNX
Nonstop1h 45mMultiple Airlines
Fri 24/1022:25CNX - USM
1 stop8h 55mMultiple Airlines
Deal found 16/9฿6,784
Mon 13/1008:55USM - CNX
Nonstop1h 45mMultiple Airlines
Mon 20/1022:55CNX - USM
1 stop8h 25mMultiple Airlines
Deal found 15/9฿6,911
Wed 29/1008:50USM - CNX
Nonstop1h 50mBangkok Airways
Wed 5/1114:10CNX - USM
1 stop17h 00mBangkok Airways
Deal found 14/9฿7,577
Wed 29/1007:00USM - CNX
1 stop6h 35mMultiple Airlines
Wed 5/1118:15CNX - USM
1 stop12h 55mMultiple Airlines
Deal found 13/9฿7,925
Mon 10/1108:50USM - CNX
Nonstop1h 50mMultiple Airlines
Tue 18/1122:50CNX - USM
1 stop8h 20mMultiple Airlines
Deal found 15/9฿8,401
Tue 14/1008:55USM - CNX
Nonstop1h 45mMultiple Airlines
Tue 21/1012:40CNX - USM
1 stop5h 45mMultiple Airlines
Deal found 16/9฿8,464
Mon 22/908:55USM - CNX
Nonstop1h 45mMultiple Airlines
Sat 27/908:10CNX - USM
1 stop11h 35mMultiple Airlines
Deal found 15/9฿8,496

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 17 September 2025.
Use the filters below to find and compare flights from Ko Samui to Chiang Mai that are best for you.

Fly from

Ko Samui

Fly to

Chiang Mai

Route

Depart

Return

Price

Ko SamuiChiang Mai

USM - CNX

USMCNX

Ko Samui

Mon 26/1

08:50-10:40

Nonstop1h 50m

Chiang Mai

Tue 3/2

10:10-18:40

1 stop8h 30m

฿7,291

Ko SamuiChiang Mai

USM - CNX

USMCNX

Ko Samui

Mon 26/1

08:50-10:40

Nonstop1h 50m

Chiang Mai

Mon 2/2

21:40-07:10

1 stop9h 30m

฿7,513

Ko SamuiChiang Mai

USM - CNX

USMCNX

Ko Samui

Wed 29/10

08:50-10:40

Nonstop1h 50m

Chiang Mai

Wed 5/11

14:10-07:10

1 stop17h 00m

฿7,577

Ko SamuiChiang Mai

USM - CNX

USMCNX

Ko Samui

Wed 29/10

07:00-13:35

1 stop6h 35m

Chiang Mai

Wed 5/11

18:15-07:10

1 stop12h 55m

฿7,925

Ko SamuiChiang Mai

USM - CNX

USMCNX

Ko Samui

Sun 12/10

08:55-10:40

Nonstop1h 45m

Chiang Mai

Sun 12/10

22:25-07:20

1 stop8h 55m

฿8,623

Ko SamuiChiang Mai

USM - CNX

USMCNX

Ko Samui

Mon 26/1

07:00-11:20

1 stop4h 20m

Chiang Mai

Wed 4/2

21:40-07:10

1 stop9h 30m

฿8,750

Ko SamuiChiang Mai

USM - CNX

USMCNX

Ko Samui

Mon 26/1

08:50-10:40

Nonstop1h 50m

Chiang Mai

Mon 2/2

08:05-20:50

2 stops12h 45m

฿8,940

Ko SamuiChiang Mai

USM - CNX

USMCNX

Ko Samui

Thu 30/10

08:50-10:40

Nonstop1h 50m

Chiang Mai

Sun 2/11

05:50-19:30

1 stop13h 40m

฿8,972

Ko SamuiChiang Mai

USM - CNX

USMCNX

Ko Samui

Fri 24/10

08:55-10:40

Nonstop1h 45m

Chiang Mai

Fri 24/10

23:30-10:30

2 stops11h 00m

฿9,067

Ko SamuiChiang Mai

USM - CNX

USMCNX

Ko Samui

Wed 15/10

08:55-10:40

Nonstop1h 45m

฿3,107

Flights are sorted by cheapest return flights first.

Deals found on 15/9

Showing 1-10 of 16 results
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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 17 September 2025.

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 2 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 ฿7,291. 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 (90%), Qatar Airways (90%) and Thai Airways (90%).

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

    Looking at all options, your cheapest flight can be booked for ฿2,736. While the most popular route (Ko Samui - Chiang Mai) can be booked for ฿6,752 on average, our data indicates ฿3,991 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.

  • What is the cheapest month to book a flight from Ko Samui to Chiang Mai?

    Currently, May is the cheapest month in which you can book a flight from Ko Samui to Chiang Mai (average of ฿55). Flying from Ko Samui to Chiang Mai in December is currently the most expensive (average of ฿89). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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 Ko Samui flights
Phuket City to Chiang Mai flights
Chiang Mai to Ko Samui flights

Fly with Cheapflights

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

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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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