What day of the week experiences the fewest flight delays on this route?

Thursday tends to have the lowest number of delays on this route, whereas Friday has historically faced a higher average of delays compared to other days of the week.

Which airline has the best punctuality record on Ko Samui to Chiang Mai flights?

Over the past year, Bangkok Airways has had the lowest number of delays on this route, with just 3% of flights being delayed.

What is the most punctual flight time for Ko Samui to Chiang Mai flights?

Historically, flights departing in the morning are less likely to be delayed, whereas flights leaving in the morning tend to experience delays more often.

How often are flights from Ko Samui to Chiang Mai delayed?

About 3% of weekly flights between Ko Samui and Chiang Mai have experienced delays in the past year, with the average delay time being 105 minutes.

How popular is this Ko Samui to Chiang Mai flight route?

Within the past month, 1 users have taken a look at flights from Ko Samui to Chiang Mai.

How long is the flight from Ko Samui to Chiang Mai?

Departing from Ko Samui to Chiang Mai will take you 1h 45m. The distance from Ko Samui to Chiang Mai is about 1032 km. All flights are typically direct.

Weekly flight availability from Ko Samui to Chiang Mai

The most flights from USM to CNX are scheduled on a Monday (6 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (6 on average).

In terms of precipitation, rainfall in Chiang Mai ranges from 0.0 - 250.0 mm per month. September is typically the wettest month, when rainfall can reach 250.0 mm. January is typically the driest time to visit Chiang Mai when rainfall is around 0.0 mm.

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 29.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 21.0 C).

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

No one likes to see their flight delayed. When booking a flight from Ko Samui to Chiang Mai consider choosing EVA Air (93%), Thai Airways (93%) or Etihad Airways (93%) as they are the most reliable in getting you off to your destination on time.

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.

C$ 132+ Cheap Flights from Ko Samui to Chiang Mai

Cheap flight deals from Ko Samui to Chiang Mai

Enter your travel dates to find the best prices.

Cheapest

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One-way

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 29 September 2026.

Sat 17/108:55 a.m. -

Nonstop1h 45m

Fri 23/108:00 p.m. -

1 stop11h 10m

Deal found 25/9C$ 423

Sat 17/108:55 a.m. -

Nonstop1h 45m

Thu 22/1010:10 a.m. -

1 stop6h 20m

Deal found 25/9C$ 469

Mon 19/106:00 a.m. -

1 stop13h 10m

Fri 23/108:00 p.m. -

1 stop11h 10m

Deal found 25/9C$ 493

Thu 22/108:55 a.m. -

Nonstop1h 45m

Sun 25/1012:10 p.m. -

1 stop8h 15m

Deal found 25/9C$ 496

Sat 17/106:00 a.m. -

1 stop5h 15m

Wed 28/1010:10 a.m. -

1 stop6h 05m

Deal found 25/9C$ 610

Sat 17/106:00 a.m. -

1 stop5h 15m

Sun 25/1012:10 p.m. -

1 stop8h 15m

Deal found 25/9C$ 639

Thu 22/109:15 a.m. -

1 stop4h 30m

Thu 22/108:00 p.m. -

1 stop12h 15m

Deal found 25/9C$ 691

Find flight deals from Ko Samui to Chiang Mai

Round-trip from	C$ 423
One-way from	C$ 132
Popular in	July
Cheapest in	April
Average price	C$ 465

Bangkok Airways
17/10-23/10
1 total stop
12h 55m total
Ko Samui to Chiang Mai

Search Deals

Bangkok Airways
16/3-31/12
Nonstop
1h 50m total
Ko Samui to Chiang Mai

Search Deals

Highest demand for flights based on searches. 26% potential increase in price (C$ 273 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 4% potential price decrease (C$ 31 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in September 2026

Search Deals

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

Cheapest round-trip

Ko SamuiChiang Mai

USM Ko Samui - CNX Chiang Mai

USMCNX

Ko Samui

Tue 16/3

8:50 a.m.-10:40 a.m.

Nonstop1h 50m

Chiang Mai

Wed 31/12

12:00 a.m.-12:00 a.m.

Nonstop0h 00m

C$ 132

Quickest round-trip

Ko SamuiChiang Mai

USM Ko Samui - CNX Chiang Mai

USMCNX

Ko Samui

Sat 17/10

8:55 a.m.-10:40 a.m.

Nonstop1h 45m

Chiang Mai

Wed 31/12

12:00 a.m.-12:00 a.m.

Nonstop0h 00m

C$ 178

Ko SamuiChiang Mai

USM Ko Samui - CNX Chiang Mai

USMCNX

Ko Samui

Wed 27/1

8:50 a.m.-10:40 a.m.

Nonstop1h 50m

Chiang Mai

Wed 31/12

12:00 a.m.-12:00 a.m.

Nonstop0h 00m

C$ 178

Ko SamuiChiang Mai

USM Ko Samui - CNX Chiang Mai

USMCNX

Ko Samui

Sun 18/10

8:55 a.m.-10:40 a.m.

Nonstop1h 45m

Chiang Mai

Wed 31/12

12:00 a.m.-12:00 a.m.

Nonstop0h 00m

C$ 181

Ko SamuiChiang Mai

USM Ko Samui - CNX Chiang Mai

USMCNX

Ko Samui

Fri 16/10

7:00 p.m.-7:55 a.m.

2 stops12h 55m

Chiang Mai

Wed 31/12

12:00 a.m.-12:00 a.m.

Nonstop0h 00m

C$ 229

Ko SamuiChiang Mai

USM Ko Samui - CNX Chiang Mai

USMCNX

Ko Samui

Mon 12/10

8:55 a.m.-10:40 a.m.

Nonstop1h 45m

Chiang Mai

Wed 31/12

12:00 a.m.-12:00 a.m.

Nonstop0h 00m

C$ 232

Ko SamuiChiang Mai

USM Ko Samui - CNX Chiang Mai

USMCNX

Ko Samui

Thu 8/10

8:55 a.m.-10:40 a.m.

Nonstop1h 45m

Chiang Mai

Wed 31/12

12:00 a.m.-12:00 a.m.

Nonstop0h 00m

C$ 235

Ko SamuiChiang Mai

USM Ko Samui - CNX Chiang Mai

USMCNX

Ko Samui

Fri 9/10

8:55 a.m.-10:40 a.m.

Nonstop1h 45m

Chiang Mai

Wed 31/12

12:00 a.m.-12:00 a.m.

Nonstop0h 00m

C$ 235

Ko SamuiChiang Mai

USM Ko Samui - CNX Chiang Mai

USMCNX

Ko Samui

Sat 17/10

8:55 a.m.-10:40 a.m.

Nonstop1h 45m

Chiang Mai

Mon 26/10

7:45 p.m.-9:05 a.m.

1 stop13h 20m

C$ 423

Ko SamuiChiang Mai

USM Ko Samui - CNX Chiang Mai

USMCNX

Ko Samui

Sun 18/10

8:55 a.m.-10:40 a.m.

Nonstop1h 45m

Chiang Mai

Fri 23/10

8:00 p.m.-7:10 a.m.

1 stop11h 10m

C$ 423

Flights are sorted by cheapest round-trip flights first.

Deals found on 24/9

Showing 1-10 of 14 resultsSorted by cheapest first

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.

USM-CNX

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

Prices

Airlines

Delays

What is the cheapest time of day to fly from USM to CNX?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Ko Samui to Chiang Mai as you normally would.

Related info for your journey

How popular is this Ko Samui to Chiang Mai flight route?
Within the past month, 1 users have taken a look at flights from Ko Samui to Chiang Mai.
How long is the flight from Ko Samui to Chiang Mai?
Departing from Ko Samui to Chiang Mai will take you 1h 45m. The distance from Ko Samui to Chiang Mai is about 1032 km. All flights are typically direct.
What are the most reliable airlines from Ko Samui to Chiang Mai?
No one likes to see their flight delayed. When booking a flight from Ko Samui to Chiang Mai consider choosing EVA Air (93%), Thai Airways (93%) or Etihad Airways (93%) as they are the most reliable in getting you off to your destination on time.
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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Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Ko Samui to Chiang Mai. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

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Yes, we can. To see specific flights from Ko Samui to Chiang Mai with no change fees, users can toggle flexible booking options after using the search form above to find flights.

Can Cheapflights notify me if prices for flights from Ko Samui to Chiang Mai become cheaper?

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Chiang Mai from Ko Samui today and book when prices fit your budget.

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Cheap flights from Ko Samui to Chiang Mai from C$ 132

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 16/3. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap 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 29 September 2026.

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 29 September 2026.

Best flights from Ko Samui to Chiang MaiDiscover 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 29 September 2026.

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 29 September 2026.

Last-minute flights from Ko Samui to Chiang MaiDiscover last-minute flight deals from Ko Samui to Chiang Mai. Data last updated 29 September 2026 and is based on user searches.

Discover last-minute flight deals from Ko Samui to Chiang Mai. Data last updated 29 September 2026 and is based on user searches.

One-way flights from Ko Samui to Chiang MaiSearch for one-way flight options from Ko Samui to Chiang Mai. Find affordable one-way fares based on user searches. Data last updated 29 September 2026.

Search for one-way flight options from Ko Samui to Chiang Mai. Find affordable one-way fares based on user searches. Data last updated 29 September 2026.

Find flight deals from Ko Samui to Chiang Mai

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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

What is the cheapest time of day to fly from USM to CNX?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Ko Samui to Chiang Mai as you normally would.

Weekly flight availability from Ko Samui to Chiang Mai

The most flights from USM to CNX are scheduled on a Monday (6 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (6 on average).

How often are flights from Ko Samui to Chiang Mai delayed?

About 3% of weekly flights between Ko Samui and Chiang Mai have experienced delays in the past year, with the average delay time being 105 minutes.

What is the most punctual flight time for Ko Samui to Chiang Mai flights?

Historically, flights departing in the morning are less likely to be delayed, whereas flights leaving in the morning tend to experience delays more often.

What day of the week experiences the fewest flight delays on this route?

Thursday tends to have the lowest number of delays on this route, whereas Friday has historically faced a higher average of delays compared to other days of the week.

Which airline has the best punctuality record on Ko Samui to Chiang Mai flights?

Over the past year, Bangkok Airways has had the lowest number of delays on this route, with just 3% of flights being delayed.

Related info for your journey

How popular is this Ko Samui to Chiang Mai flight route?

How long is the flight from Ko Samui to Chiang Mai?

What are the most reliable airlines 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?

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.

Other flights to Chiang Mai

Explore flights to Chiang Mai departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 29 September 2026.

Complete your trip

Complete your trip to Chiang Mai by adding a car rental and/or hotel reservation to your travel itinerary.

Direct flights to Thailand

Book a non-stop flight to one of these other cities located in Thailand.

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Find flights from Ko Samui to Chiang Mai, based on your preferred cabin class, be it economy, premium economy, business, or first class.

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Browse other Ko Samui and Chiang Mai flight options. Last updated on 29 September 2026.

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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 29 September 2026.

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 29 September 2026.

Last-minute flights from Ko Samui to Chiang Mai
Discover last-minute flight deals from Ko Samui to Chiang Mai. Data last updated 29 September 2026 and is based on user searches.

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 29 September 2026.