HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Chiang Mai

$95+ 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 12/13. Fares are subject to change and may not be available on all flights or dates of travel.
USM — CNX
Dec 6 — Dec 131
Sat 12/6
Sat 12/13
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Ko Samui to Chiang Mai with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 November 6, 2025.

Most accurate provider

Mytrip
3 stars

Most trusted provider

Mytrip
3 stars

Round-trip from

$259
(Kiwi.com)

One-way from

$95
(Bangkok Airways)

Popular in

October

Cheapest in

May

Average price

$399

Good round-trip deal

$375 or less

Good one-way deal

$124 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. 10% potential increase in price ($42 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($7 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in November 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

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 November 6, 2025.

This Bangkok Airways deal was found by Cheapflights users on 11/6. 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.
Sat 12/138:50 amUSM - CNX
Nonstop1h 50mBangkok Airways
Sat 12/279:40 pmCNX - USM
1 stop10h 05mBangkok Airways
Deal found 11/6$294
This Kiwi.com deal was found by Cheapflights users on 11/6. 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 12/138:50 amUSM - CNX
Nonstop1h 50mMultiple Airlines
Sun 12/148:05 amCNX - USM
2 stops10h 20mMultiple Airlines
Deal found 11/6$307
This Booking.com deal was found by Cheapflights users on 11/6. 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.
Sat 12/138:50 amUSM - CNX
Nonstop1h 50mBangkok Airways
Sun 12/1412:10 pmCNX - USM
1 stop8h 15mBangkok Airways
Deal found 11/6$312
This Bangkok Airways deal was found by Cheapflights users on 11/6. 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.
Fri 12/128:50 amUSM - CNX
Nonstop1h 50mBangkok Airways
Sat 12/279:40 pmCNX - USM
1 stop9h 55mBangkok Airways
Deal found 11/6$316
This Kiwi.com deal was found by Cheapflights users on 11/4. 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 12/38:50 amUSM - CNX
Nonstop1h 50mMultiple Airlines
Wed 12/1010:50 pmCNX - USM
1 stop20h 05mMultiple Airlines
Deal found 11/4$328
This Bangkok Airways deal was found by Cheapflights users on 11/5. 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.
Fri 11/148:50 amUSM - CNX
Nonstop1h 50mBangkok Airways
Mon 11/2410:10 amCNX - USM
1 stop21h 35mBangkok Airways
Deal found 11/5$334
This Bangkok Airways deal was found by Cheapflights users on 11/5. 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.
Fri 11/148:50 amUSM - CNX
Nonstop1h 50mBangkok Airways
Fri 11/217:45 pmCNX - USM
1 stop12h 00mBangkok Airways
Deal found 11/5$344
This Bangkok Airways deal was found by Cheapflights users on 11/5. 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.
Thu 11/138:50 amUSM - CNX
Nonstop1h 50mBangkok Airways
Mon 11/2410:10 amCNX - USM
1 stop21h 35mBangkok Airways
Deal found 11/5$353
This Bangkok Airways deal was found by Cheapflights users on 11/5. 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.
Thu 11/138:50 amUSM - CNX
Nonstop1h 50mBangkok Airways
Fri 11/217:45 pmCNX - USM
1 stop12h 25mBangkok Airways
Deal found 11/5$362

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 November 6, 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

Sat 3/7

8:50 am-10:40 am

Nonstop1h 50m

Chiang Mai

Thu 3/12

10:25 pm-7:10 am

1 stop8h 45m

$259

Ko SamuiChiang Mai

USM - CNX

USMCNX

Ko Samui

Wed 1/28

8:50 am-10:40 am

Nonstop1h 50m

Chiang Mai

Wed 1/28

3:35 pm-8:30 pm

1 stop4h 55m

$296

Ko SamuiChiang Mai

USM - CNX

USMCNX

Ko Samui

Tue 2/10

8:50 am-10:40 am

Nonstop1h 50m

Chiang Mai

Fri 2/13

12:10 pm-5:40 pm

1 stop5h 30m

$315

Ko SamuiChiang Mai

USM - CNX

USMCNX

Ko Samui

Sun 12/14

8:50 am-10:40 am

Nonstop1h 50m

Chiang Mai

Sat 12/27

9:40 pm-7:35 am

1 stop9h 55m

$316

Ko SamuiChiang Mai

USM - CNX

USMCNX

Ko Samui

Fri 12/12

8:50 am-10:40 am

Nonstop1h 50m

Chiang Mai

Sat 12/27

9:40 pm-7:35 am

1 stop9h 55m

$316

Ko SamuiChiang Mai

USM - CNX

USMCNX

Ko Samui

Sat 12/13

8:50 am-10:40 am

Nonstop1h 50m

Chiang Mai

Sun 12/14

12:10 pm-8:25 pm

1 stop8h 15m

$319

Ko SamuiChiang Mai

USM - CNX

USMCNX

Ko Samui

Wed 12/3

8:50 am-10:40 am

Nonstop1h 50m

Chiang Mai

Wed 12/10

5:20 pm-8:25 am

2 stops15h 05m

$331

Ko SamuiChiang Mai

USM - CNX

USMCNX

Ko Samui

Sat 1/24

8:50 am-10:40 am

Nonstop1h 50m

$95

Ko SamuiChiang Mai

USM - CNX

USMCNX

Ko Samui

Fri 1/23

8:50 am-10:40 am

Nonstop1h 50m

$95

Ko SamuiChiang Mai

USM - CNX

USMCNX

Ko Samui

Mon 1/26

8:50 am-10:40 am

Nonstop1h 50m

$95

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/5

Showing 1-10 of 17 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 November.
ProviderPrice AccuracyTrust Score*
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
MytripPrice Accuracy3 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 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 November 6, 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.

Reviews of airlines servicing Chiang Mai

Get insights into the airlines that provide service to Chiang Mai. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Chiang Mai. Reviews last updated November 6, 2025.
Get a feel of what it's like to fly with Bangkok Airways from Ko Samui to Chiang Mai by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Bangkok Airways
8.0
Very good
117 reviews

Comfort

7.9

Overall

8.0

Crew

8.5

Boarding

8.0

Food

7.3

Entertainment

6.2

Reviews

1 / 7
10.0
Excellent

Douglas,May 2025

USM - HKG

Flight was as expected: up and down at the right time and location without drama. Kayak needs to modify this survey to allow for “N/A.” For example, we didn’t use the entertainment system but are forced to rate it. In this case, the results are skewed and may lead to incorrect assumptions.
Bangkok Airways
8.0
Very good
117 reviews
Bangkok Airways
8.0
Very good
117 reviews

Comfort

7.9

Overall

8.0

Crew

8.5

Boarding

8.0

Food

7.3

Entertainment

6.2

Reviews

1 / 7
10.0
Excellent

Douglas,May 2025

USM - HKG

Flight was as expected: up and down at the right time and location without drama. Kayak needs to modify this survey to allow for “N/A.” For example, we didn’t use the entertainment system but are forced to rate it. In this case, the results are skewed and may lead to incorrect assumptions.

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 airports do I use to fly from Ko Samui to Chiang Mai?

    Booking a flight from Ko Samui (USM) to Chiang Mai (CNX) is your only option if you wish to fly from Ko Samui to Chiang Mai. On a typical day, there are 6 flights from Ko Samui to Chiang Mai, all of which are around 4h 20m for a nonstop flight. You can also purchase a plane ticket from 1 airline when you book a flight from Ko Samui to Chiang Mai.

  • 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 50m. 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 is the cheapest airline to fly from Ko Samui to Chiang Mai round-trip?

    According to our current data, Bangkok Airways ($258), offers the cheapest pricing from Ko Samui to Chiang Mai. You may be able to fly from Ko Samui to Chiang Mai for 28% less than the average price by searching for this airline.

  • 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 (96%), EVA Air (95%), Thai Airways (95%).

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

    While on average a flight from Ko Samui to Chiang Mai is generally $250, our data shows the cheapest flight currently is $89. 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

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Ko Samui to Chiang Mai

See prices for flight routes from nearby airports that may be better suited for you.
Suvarnabhumi to Phuket City flights
Suvarnabhumi to Chiang Mai flights
Don Mueang Intl to Krabi flights
Don Mueang Intl to Chiang Mai flights
Suvarnabhumi to Krabi flights
Don Mueang Intl to Phuket City flights
Suvarnabhumi to Ko Samui flights
Chiang Mai to Suvarnabhumi flights
Chiang Mai to Don Mueang Intl flights
Phuket City to Chiang Mai flights
Phuket City to Suvarnabhumi flights
Chiang Rai to Suvarnabhumi flights
Suvarnabhumi to Hat Yai flights
Chiang Mai to Krabi flights
Suvarnabhumi to Ubon Ratchathani flights
Suvarnabhumi to Udon Thani flights
Krabi to Don Mueang Intl flights
Phuket City to Don Mueang Intl flights
Udon Thani to Suvarnabhumi flights
Rayong to Phuket City flights
Hat Yai to Suvarnabhumi flights
Ko Samui to Suvarnabhumi flights
Suvarnabhumi to Chiang Rai flights
Suvarnabhumi to Surat Thani flights
Suvarnabhumi to Khon Kaen flights
Ko Samui to Phuket City flights
Surat Thani to Chiang Mai flights
Surat Thani to Suvarnabhumi flights
Krabi to Ko Samui flights
Krabi to Chiang Mai flights
Krabi to Suvarnabhumi flights
Phuket City to Rayong flights
Phuket City to Ko Samui flights
Chiang Mai to Phuket City flights
Chiang Mai to Surat Thani flights
Chiang Mai to Ko Samui flights

Top airline flying from Ko Samui to Chiang Mai

Discover the top airline that operate flights from Ko Samui to Chiang Mai. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated November 6, 2025.
AirlineCheapestAverageFlexibilityOn-time
Bangkok AirwaysCheapest$258Average$375FlexibilityNo cancel feeOn-time74%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.