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Chiang Mai

$82+ 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 12/5. Fares are subject to change and may not be available on all flights or dates of travel.
USM — CNX
Sep 13 — Sep 201
Sun 9/13
Sun 9/20
1 adult, Economy
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Cheap 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 August 14, 2026.

This Kiwi.com deal was found by Cheapflights users on 8/9. 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.
Fri 9/188:55 am -
Nonstop1h 45m
Sun 9/208:35 pm -
1 stop10h 35m
Deal found 8/9$237
This Booking.com deal was found by Cheapflights users on 8/10. 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.
Fri 10/168:55 am -
Nonstop1h 45m
Fri 10/162:35 pm -
1 stop7h 00m
Deal found 8/10$239
This Kiwi.com deal was found by Cheapflights users on 8/11. 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 9/238:55 am -
Nonstop1h 45m
Wed 9/3010:30 pm -
1 stop8h 40m
Deal found 8/11$247
This Kiwi.com deal was found by Cheapflights users on 8/12. 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.
Sat 9/128:55 am -
Nonstop1h 45m
Mon 9/1410:55 pm -
1 stop8h 15m
Deal found 8/12$266
This Kiwi.com deal was found by Cheapflights users on 8/10. 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.
Fri 9/188:55 am -
Nonstop1h 45m
Sun 9/2011:55 am -
1 stop5h 10m
Deal found 8/10$269
This ThaiVietJet deal was found by Cheapflights users on 8/13. 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 ThaiVietJet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/128:55 am -
Nonstop1h 45m
Sun 9/133:45 pm -
1 stop5h 50m
Deal found 8/13$295
This ThaiVietJet deal was found by Cheapflights users on 8/10. 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 ThaiVietJet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/166:55 am -
1 stop4h 30m
Fri 10/163:45 pm -
1 stop5h 50m
Deal found 8/10$305

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 August 14, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$237
(Kiwi.com)

One-way from

$82
(Booking.com)

Popular in

July

Cheapest in

April

Average price

$506

Good one-way deal

$228 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. 26% potential increase in price ($137 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($15 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in August 2026
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 August 14, 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 round-trip

Ko SamuiChiang Mai

USM Ko Samui - CNX Chiang Mai

USMCNX

Ko Samui

Fri 9/18

8:55 am-10:40 am

Nonstop1h 45m

Chiang Mai

Sun 9/20

8:35 pm-7:10 am

1 stop10h 35m

$237

Ko SamuiChiang Mai

USM Ko Samui - CNX Chiang Mai

USMCNX

Ko Samui

Wed 9/23

8:55 am-10:40 am

Nonstop1h 45m

Chiang Mai

Wed 9/30

10:30 pm-7:10 am

1 stop8h 40m

$247

Ko SamuiChiang Mai

USM Ko Samui - CNX Chiang Mai

USMCNX

Ko Samui

Sat 9/12

8:55 am-10:40 am

Nonstop1h 45m

Chiang Mai

Sun 9/13

3:45 pm-9:35 pm

1 stop5h 50m

$295

Ko SamuiChiang Mai

USM Ko Samui - CNX Chiang Mai

USMCNX

Ko Samui

Fri 10/16

6:55 am-11:25 am

1 stop4h 30m

Chiang Mai

Fri 10/16

3:45 pm-9:35 pm

1 stop5h 50m

$305

Ko SamuiChiang Mai

USM Ko Samui - CNX Chiang Mai

USMCNX

Ko Samui

Mon 9/28

5:00 pm-9:55 pm

1 stop4h 55m

Chiang Mai

Mon 10/5

3:45 pm-8:50 pm

1 stop5h 05m

$341
Quickest round-trip

Ko SamuiChiang Mai

USM Ko Samui - CNX Chiang Mai

USMCNX

Ko Samui

Wed 9/23

8:55 am-10:40 am

Nonstop1h 45m

Chiang Mai

Wed 9/30

11:35 am-1:20 pm

Nonstop1h 45m

$387

Ko SamuiChiang Mai

USM Ko Samui - CNX Chiang Mai

USMCNX

Ko Samui

Fri 9/18

8:55 am-10:40 am

Nonstop1h 45m

Chiang Mai

Sun 9/20

11:35 am-1:20 pm

Nonstop1h 45m

$393

Ko SamuiChiang Mai

USM Ko Samui - CNX Chiang Mai

USMCNX

Ko Samui

Thu 1/14

6:30 pm-11:35 pm

1 stop5h 05m

Chiang Mai

Tue 1/19

3:45 pm-8:25 pm

1 stop4h 40m

$400

Ko SamuiChiang Mai

USM Ko Samui - CNX Chiang Mai

USMCNX

Ko Samui

Tue 8/25

8:55 am-10:40 am

Nonstop1h 45m

Chiang Mai

Fri 8/28

10:30 pm-7:00 am

1 stop8h 30m

$411
Cheapest one-way
Quickest one-way

Ko SamuiChiang Mai

USM Ko Samui - CNX Chiang Mai

USMCNX

Ko Samui

Thu 9/24

8:55 am-10:40 am

Nonstop1h 45m

$128

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/13

Showing 1-10 of 12 resultsSorted by cheapest first
1
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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 August.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
BudgetAirPrice Accuracy2 starsTrust Score*3 stars

*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 FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Ko Samui-Chiang Mai flight deals on Cheapflights vs. FlightHub >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 FlightHub the most. FlightHub 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 August 14, 2026.

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.

  • 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: EVA Air (93%), Thai Airways (93%), Etihad Airways (93%).

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

    While on average a flight from Ko Samui to Chiang Mai is generally $253, our data shows the cheapest flight currently is $102. 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

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