What is the cheapest airline to fly from Ko Samui to Chiang Mai round-trip?

According to our current data, Bangkok Airways ($260), offers the cheapest pricing from Ko Samui to Chiang Mai. You may be able to fly from Ko Samui to Chiang Mai for 25% less than the average price by searching for this airline.

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.

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).

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

While on average a flight from Ko Samui to Chiang Mai is generally $133, our data shows the cheapest flight currently is $83. When looking at the most popular route, (Ko Samui - Chiang Mai), you can expect to pay $211 for that flight.

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 (100%), Qatar Airways (100%), Thai Airways (100%).

What is the cheapest month to fly from Ko Samui to Chiang Mai?

July is one of the best times of the year to fly to Chiang Mai from Ko Samui. Prices for July average $350 per person but you can even find prices for as low as $135. The most expensive prices can be found in the month of January. Opting for a July flight can save you 48% on your journey compared to booking in January

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.

$110+ Flights from Ko Samui to Chiang Mai

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Cheap flight deals from Ko Samui to Chiang Mai

Round-trip from	$260 (Bangkok Airways)
One-way from	$110 (Bangkok Airways)
Popular in	January
Cheapest in	July
Average price	$187
Good one-way deal	$122 or less

From Ko Samui to Chiang Mai

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One-way flight from Ko Samui to Chiang Mai

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Highest demand for flights based on searches. 17% potential increase in price ($76 potential increase over avg. RT price).

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Cheapest flight prices on average. 4% potential price decrease ($15 potential savings vs. average RT price).

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Average for round-trip flights in July 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 July 3, 2025.

Sun 9/288:55 amUSM - CNX

Nonstop1h 45mBangkok Airways

Tue 9/3010:10 amCNX - USM

1 stop7h 35mBangkok Airways

Deal found 6/30

$260

Sun 8/1712:30 pmUSM - CNX

1 stop8h 15mMultiple Airlines

Sat 8/308:55 pmCNX - USM

1 stop10h 25mMultiple Airlines

Deal found 7/1

$321

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 July 3, 2025.

Sun 9/288:55 amUSM - CNX

Nonstop1h 45mBangkok Airways

Tue 9/3010:10 amCNX - USM

1 stop7h 35mBangkok Airways

Deal found 6/30

$260

Sun 8/1712:30 pmUSM - CNX

1 stop8h 15mMultiple Airlines

Sat 8/308:55 pmCNX - USM

1 stop10h 25mMultiple Airlines

Deal found 7/1

$321

Last-minute flights from Ko Samui to Chiang Mai
Discover last-minute flight deals from Ko Samui to Chiang Mai. Data last updated July 3, 2025 and is based on user searches.

Sat 8/28:55 amUSM - CNX

Nonstop1h 45mBangkok Airways

Sat 8/168:00 pmCNX - USM

1 stop11h 15mBangkok Airways

Deal found 7/1

$337

Sun 8/1712:30 pmUSM - CNX

1 stop8h 15mMultiple Airlines

Sat 8/308:55 pmCNX - USM

1 stop10h 25mMultiple Airlines

Deal found 7/1

$321

One-way flights from Ko Samui to Chiang Mai
Search for one-way flight options from Ko Samui to Chiang Mai. Find affordable one-way fares based on user searches. Data last updated July 3, 2025.

Tue 9/168:55 amUSM - CNX

Nonstop1h 45mBangkok Airways

Deal found 7/2

$110

Wed 7/168:00 amUSM - CNX

2 stops23h 45mMultiple Airlines

Deal found 7/3

$174

Cheapflights Fare Finder

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

Ko SamuiChiang Mai

USM - CNX

USMCNX

Ko Samui

Sun 9/28

8:55 am-10:40 am

Nonstop1h 45m

Chiang Mai

Tue 9/30

10:10 am-5:45 pm

1 stop7h 35m

$260

Ko SamuiChiang Mai

USM - CNX

USMCNX

Ko Samui

Sun 8/17

12:30 pm-8:45 pm

1 stop8h 15m

Chiang Mai

Sat 8/30

8:55 pm-7:20 am

1 stop10h 25m

$321

Ko SamuiChiang Mai

USM - CNX

USMCNX

Ko Samui

Tue 9/16

8:55 am-10:40 am

Nonstop1h 45m

$110

Ko SamuiChiang Mai

USM - CNX

USMCNX

Ko Samui

Wed 7/16

8:00 am-7:45 am

2 stops23h 45m

$174

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/2

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, April is the cheapest month in which you can book a flight from Ko Samui to Chiang Mai (average of $1,010). Flying from Ko Samui to Chiang Mai in December is currently the most expensive (average of $1,639). 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?

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.

Weekly flight availability from Ko Samui to Chiang Mai

The most flights from USM to CNX are scheduled on a Monday (7 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (7 on average).

Reviews of airlines servicing Chiang Mai

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

111 reviews

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

111 reviews

Bangkok Airways

8.0

Very good

111 reviews

Reviews

1 / 7

10.0

Excellent

Douglas,May 2025

USM - HKG

Related info for your journey

What is the cheapest airline to fly from Ko Samui to Chiang Mai round-trip?
According to our current data, Bangkok Airways ($260), offers the cheapest pricing from Ko Samui to Chiang Mai. You may be able to fly from Ko Samui to Chiang Mai for 25% 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: EVA Air (100%), Qatar Airways (100%), Thai Airways (100%).
What are the cheapest flights from Ko Samui to Chiang Mai?
While on average a flight from Ko Samui to Chiang Mai is generally $133, our data shows the cheapest flight currently is $83. 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, April is the cheapest month in which you can book a flight from Ko Samui to Chiang Mai (average of $1,010). Flying from Ko Samui to Chiang Mai in December is currently the most expensive (average of $1,639). 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.

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$110+ 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.

Find cheap flights from Ko Samui to Chiang Mai with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Ko Samui to Chiang Mai

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Good one-way deal

Find flight deals from Ko Samui to Chiang Mai

Cheapest flights from Ko Samui to Chiang MaiExplore 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 July 3, 2025.

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 July 3, 2025.

Cheapflights Fare Finder

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

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.

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?

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 July 3, 2025.

Weekly flight availability from Ko Samui to Chiang Mai

Explore weekly flight availability from Ko Samui to Chiang Mai. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated July 3, 2025.

Reviews of airlines servicing Chiang Mai

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.

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 is the cheapest airline to fly from Ko Samui to Chiang Mai round-trip?

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

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

Can I find deals for flights from Ko Samui to Chiang Mai that include hotel bookings?

How can I find direct flights from Ko Samui to Chiang Mai?

Can I find deals for business class flights from Ko Samui to Chiang Mai?

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

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

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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 July 3, 2025.