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Chiang Mai

$91+ 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 9/16. Fares are subject to change and may not be available on all flights or dates of travel.
USM — CNX
Mar 31 — Apr 71
Mon 3/31
Mon 4/7
1 adult, Economy
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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 March 26, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$187
(Booking.com)

One-way from

$91
(Bangkok Airways)

Popular in

January

Cheapest in

July

Average price

$276

Good one-way deal

$100 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.
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From Ko Samui to Chiang Mai
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One-way flight from Ko Samui to Chiang Mai
Search Deals
Highest demand for flights based on searches. 18% potential increase in price ($78 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($16 potential savings vs. average RT price).
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Average for round-trip flights in March 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 March 26, 2025.

This Booking.com deal was found by Cheapflights users on 3/25. 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.
Wed 6/258:55 amUSM - CNX
Nonstop1h 45mBangkok Airways
Wed 6/252:35 pmCNX - USM
1 stop7h 00mBangkok Airways
Deal found 3/25$187
This Mytrip deal was found by Cheapflights users on 3/24. 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 4/88:55 amUSM - CNX
Nonstop1h 45mMultiple Airlines
Tue 5/610:30 pmCNX - USM
1 stop8h 50mMultiple Airlines
Deal found 3/24$233
This Gotogate deal was found by Cheapflights users on 3/24. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/83:30 pmUSM - CNX
2 stops18h 15mCathay Pacific
Tue 5/67:25 pmCNX - USM
2 stops21h 10mCathay Pacific
Deal found 3/24$1,909

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 March 26, 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

Wed 6/25

7:00 am-11:15 am

1 stop4h 15m

Chiang Mai

Wed 6/25

2:35 pm-9:35 pm

1 stop7h 00m

$187

Ko SamuiChiang Mai

USM - CNX

USMCNX

Ko Samui

Tue 4/8

8:55 am-10:40 am

Nonstop1h 45m

Chiang Mai

Tue 5/6

10:30 pm-7:20 am

1 stop8h 50m

$233

Ko SamuiChiang Mai

USM - CNX

USMCNX

Ko Samui

Tue 4/8

3:30 pm-9:45 am

2 stops18h 15m

Chiang Mai

Tue 5/6

7:25 pm-4:35 pm

2 stops21h 10m

$1,909

Ko SamuiChiang Mai

USM - CNX

USMCNX

Ko Samui

Tue 9/16

11:45 am-7:10 pm

1 stop7h 25m

$91

Ko SamuiChiang Mai

USM - CNX

USMCNX

Ko Samui

Wed 4/9

7:00 pm-10:15 am

1 stop15h 15m

$167

Ko SamuiChiang Mai

USM - CNX

USMCNX

Ko Samui

Wed 6/11

7:15 pm-1:40 pm

2 stops18h 25m

$274

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/25

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 March.
ProviderPrice AccuracyTrust Score*
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
MytripPrice Accuracy3 starsTrust Score*3 stars
GotogatePrice 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 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 month to book a flight from Ko Samui to Chiang Mai?

Currently, February is the cheapest month in which you can book a flight from Ko Samui to Chiang Mai (average of $1,015). Flying from Ko Samui to Chiang Mai in December is currently the most expensive (average of $1,678). 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.

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 March 26, 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.

Rainfall in Chiang Mai by month

Plan your trip to Chiang Mai by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Chiang Mai ranges from 0.0 - 9.8 inches per month. September is typically the wettest month, when rainfall can reach 9.8 in. January is typically the driest time to visit Chiang Mai when rainfall is around 0.0 in.

Temperature in Chiang Mai by month

Plan your trip to Chiang Mai by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Chiang Mai, use this chart to help with planning. For those seeking warmer temperatures, April is the ideal time of year to visit, when temperatures reach an average of 84.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 69.8 F).

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 March 26, 2025.
Bangkok Airways
7.9
Good
107 reviews

Entertainment

6.2

Boarding

7.9

Comfort

7.8

Crew

8.5

Food

7.2

Overall

7.9

Reviews

1 / 6
4.0
Okay

Derick,Jun 2024

HKT - BKK

Basic, long check-in and boarding. No entertainment and only a single spicy option for meal/snack.
Bangkok Airways
7.9
Good
107 reviews
Bangkok Airways
7.9
Good
107 reviews

Entertainment

6.2

Boarding

7.9

Comfort

7.8

Crew

8.5

Food

7.2

Overall

7.9

Reviews

1 / 6
4.0
Okay

Derick,Jun 2024

HKT - BKK

Basic, long check-in and boarding. No entertainment and only a single spicy option for meal/snack.
Cathay Pacific
7.5
Good
835 reviews
Bangkok Airways
7.9
Good
107 reviews

Entertainment

6.2

Boarding

7.9

Comfort

7.8

Crew

8.5

Food

7.2

Overall

7.9

Reviews

1 / 6
4.0
Okay

Derick,Jun 2024

HKT - BKK

Basic, long check-in and boarding. No entertainment and only a single spicy option for meal/snack.
Malaysia Airlines
7.3
Good
252 reviews
Bangkok Airways
7.9
Good
107 reviews

Entertainment

6.2

Boarding

7.9

Comfort

7.8

Crew

8.5

Food

7.2

Overall

7.9

Reviews

1 / 6
4.0
Okay

Derick,Jun 2024

HKT - BKK

Basic, long check-in and boarding. No entertainment and only a single spicy option for meal/snack.

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 cheapest airlines flying from Ko Samui to Chiang Mai round-trip?

    According to our current data, Bangkok Airways ($187), and Cathay Pacific ($1,909) offers the cheapest pricing from Ko Samui to Chiang Mai. You may be able to fly from Ko Samui to Chiang Mai for 45% less than the average price by searching for these airlines.

  • 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 (95%), Thai Airways (95%), China Airlines (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 $123, our data shows the cheapest flight currently is $79. 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.

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

    Currently, February is the cheapest month in which you can book a flight from Ko Samui to Chiang Mai (average of $1,015). Flying from Ko Samui to Chiang Mai in December is currently the most expensive (average of $1,678). 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

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Alternative routes for Ko Samui to Chiang Mai

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