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Chiang Mai

$115+ Cheap flights from Ko Samui to Chiang Mai (USM - CNX)

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 3/10. Fares are subject to change and may not be available on all flights or dates of travel.
USM — CNX
Jan 29 — Feb 51
Thu 1/29
Thu 2/5
1 adult, Economy
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Cheap flight deals from Ko Samui to Chiang Mai

Best flights from Ko Samui to Chiang Mai
Discover carefully curated flight deals from Ko Samui to Chiang Mai that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 30, 2025.

This Booking.com deal was found by Cheapflights users on 12/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/58:55 amUSM - CNX
Nonstop1h 45mBangkok Airways
Wed 4/82:35 pmCNX - USM
1 stop6h 15mBangkok Airways
Deal found 12/28$300
This Mytrip deal was found by Cheapflights users on 12/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/512:30 pmUSM - CNX
1 stop5h 50mMultiple Airlines
Wed 4/86:20 pmCNX - USM
1 stop12h 50mMultiple Airlines
Deal found 12/28$326
This Mytrip deal was found by Cheapflights users on 12/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 1/277:00 amUSM - CNX
1 stop7h 00mMultiple Airlines
Tue 2/310:50 pmCNX - USM
1 stop9h 15mMultiple Airlines
Deal found 12/28$340
This Kiwi.com deal was found by Cheapflights users on 12/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 1/278:50 amUSM - CNX
Nonstop1h 50mBangkok Airways
Tue 2/39:40 pmCNX - USM
1 stop10h 05mBangkok Airways
Deal found 12/28$354
This Trip.com deal was found by Cheapflights users on 12/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/128:50 amUSM - CNX
Nonstop1h 50mMultiple Airlines
Thu 2/196:50 amCNX - USM
1 stop7h 55mMultiple Airlines
Deal found 12/29$354
This Kiwi.com deal was found by Cheapflights users on 12/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/118:50 amUSM - CNX
Nonstop1h 50mMultiple Airlines
Wed 2/185:10 pmCNX - USM
2 stops15h 15mMultiple Airlines
Deal found 12/27$375
This Bangkok Airways deal was found by Cheapflights users on 12/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Bangkok Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/108:50 amUSM - CNX
Nonstop1h 50mBangkok Airways
Fri 2/1310:10 amCNX - USM
1 stop6h 30mBangkok Airways
Deal found 12/28$438

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 December 30, 2025.

Most accurate provider

Mytrip
3 stars

Most trusted provider

Mytrip
3 stars

Round-trip from

$300
(Booking.com)

One-way from

$115
(Bangkok Airways)

Popular in

December

Cheapest in

May

Average price

$422

Good round-trip deal

$375 or less

Good one-way deal

$123 or less
Provider with most accurate pricing for Ko Samui-Chiang Mai flight deals.
Search Deals
Provider most trusted by Cheapflights users for Ko Samui-Chiang Mai flights.
Search Deals
From Ko Samui to Chiang Mai
Search Deals
One-way flight from Ko Samui to Chiang Mai
Search Deals
Highest demand for flights based on searches. 5% potential increase in price ($19 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($8 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals
Price to beat on a round-trip flight from Ko Samui to Chiang Mai.
Search Deals
Price to beat on a one-way flight from Ko Samui to Chiang Mai.
Search Deals

Cheapflights Fare Finder

 
Customize 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 2,558,603 searches. Data last updated December 30, 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

Sun 4/5

8:55 am-10:40 am

Nonstop1h 45m

Chiang Mai

Wed 4/8

2:35 pm-8:50 pm

1 stop6h 15m

$300

Ko SamuiChiang Mai

USM - CNX

USMCNX

Ko Samui

Sun 4/5

12:30 pm-6:20 pm

1 stop5h 50m

Chiang Mai

Wed 4/8

6:20 pm-7:10 am

1 stop12h 50m

$326

Ko SamuiChiang Mai

USM - CNX

USMCNX

Ko Samui

Tue 1/27

7:00 am-2:00 pm

1 stop7h 00m

Chiang Mai

Tue 2/3

10:50 pm-8:05 am

1 stop9h 15m

$340

Ko SamuiChiang Mai

USM - CNX

USMCNX

Ko Samui

Tue 1/27

8:50 am-10:40 am

Nonstop1h 50m

Chiang Mai

Tue 2/3

9:40 pm-7:45 am

1 stop10h 05m

$354

Ko SamuiChiang Mai

USM - CNX

USMCNX

Ko Samui

Thu 2/12

8:50 am-10:40 am

Nonstop1h 50m

Chiang Mai

Thu 2/19

6:50 am-2:45 pm

1 stop7h 55m

$354

Ko SamuiChiang Mai

USM - CNX

USMCNX

Ko Samui

Wed 2/11

8:50 am-10:40 am

Nonstop1h 50m

Chiang Mai

Wed 2/18

5:10 pm-8:25 am

2 stops15h 15m

$375

Ko SamuiChiang Mai

USM - CNX

USMCNX

Ko Samui

Tue 2/10

8:50 am-10:40 am

Nonstop1h 50m

Chiang Mai

Fri 2/13

10:10 am-4:40 pm

1 stop6h 30m

$438

Ko SamuiChiang Mai

USM - CNX

USMCNX

Ko Samui

Tue 3/10

8:50 am-10:40 am

Nonstop1h 50m

$115

Ko SamuiChiang Mai

USM - CNX

USMCNX

Ko Samui

Mon 2/9

8:50 am-10:40 am

Nonstop1h 50m

$155

Ko SamuiChiang Mai

USM - CNX

USMCNX

Ko Samui

Tue 4/7

8:55 am-10:40 am

Nonstop1h 45m

$155

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/29

Showing 1-10 of 16 results
1
2

Compare providers for flights from Ko Samui to Chiang Mai

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Ko Samui to Chiang Mai in December.
ProviderPrice AccuracyTrust Score*
eDreamsPrice Accuracy3 starsTrust Score*3 stars
MytripPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Ko Samui-Chiang Mai flights, users find the pricing of Mytrip to be most consistent on Cheapflights vs. Mytrip Users can find the same prices on Ko Samui-Chiang Mai flight deals on Cheapflights vs. Mytrip >95% of the time. Price accuracy is based on data collected from Ko Samui-Chiang Mai flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Ko Samui-Chiang Mai flights, Cheapflights users trust Mytrip the most. Mytrip has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Ko Samui-Chiang Mai flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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 round-trip 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 December 30, 2025.

When flying from Ko Samui to Chiang Mai, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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 long is the flight from Ko Samui to Chiang Mai?

    There are many flights that can get you from Ko Samui to Chiang Mai in 1h 45m. Fly via Bangkok Airways to get the fastest option. There are 641 mi between Ko Samui and Chiang Mai. All flights are typically nonstop.

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

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Ko Samui to Chiang Mai on time: Qatar Airways (100%), EVA Air (97%), Thai Airways (97%).

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

    While on average a flight from Ko Samui to Chiang Mai is generally $259, our data shows the cheapest flight currently is $90. When looking at the most popular route, (Ko Samui - Chiang Mai), you can expect to pay $211 for that flight.

  • 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 vacation 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.
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