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

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

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.

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?

Flights from Ko Samui to Chiang Mai have been viewed 1 times in the past calendar month.

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

A quick flight from Ko Samui to Chiang Mai can take about 1h 50m. Bangkok Airways provides one of the quickest options available for as low as ฿7,592. The distance between Ko Samui and Chiang Mai is about 1032 km. Most flights are nonstop.

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 inches 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?

The top 3 most reliable airlines when flying from Ko Samui to Chiang Mai are EVA Air (93%), Thai Airways (93%) and เอทิฮัดแอร์เวย์ (93%).

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 holiday 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.

฿2,697+ 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.

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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 21 September 2026.

Thu 12/1108:50 -

Nonstop1h 50m

Wed 18/1106:35 -

1 stop13h 50m

Deal found 18/9฿7,092

Mon 2/1108:50 -

Nonstop1h 50m

Mon 9/1108:30 -

1 stop12h 00m

Deal found 18/9฿7,125

Sun 1/1108:50 -

Nonstop1h 50m

Sun 8/1109:00 -

1 stop5h 45m

Deal found 17/9฿7,192

Fri 30/1008:50 -

Nonstop1h 50m

Sun 1/1108:00 -

1 stop6h 45m

Deal found 17/9฿7,292

Fri 16/1008:55 -

Nonstop1h 45m

Mon 19/1009:35 -

1 stop5h 50m

Deal found 17/9฿7,458

Tue 3/1108:50 -

Nonstop1h 50m

Tue 10/1119:25 -

1 stop15h 00m

Deal found 19/9฿7,592

Find flight deals from Ko Samui to Chiang Mai

Round-trip from	฿7,092
One-way from	฿2,697
Popular in	July
Cheapest in	April
Average price	฿10,921

12/11-18/11
1 total stop
15h 40m total
Ko Samui to Chiang Mai

Search Deals

Bangkok Airways
4/11-31/12
Nonstop
1h 50m total
Ko Samui to Chiang Mai

Search Deals

Highest demand for flights based on searches. 28% potential increase in price (฿164,180 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 4% potential price decrease (฿17,552 potential savings vs. average return 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.

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Fly to

Route

Depart

Return

Price

Cheapest return flight

Ko SamuiChiang Mai

USM Ko Samui - CNX Chiang Mai

USMCNX

Ko Samui

Tue 16/3

08:50-10:40

Nonstop1h 50m

Chiang Mai

Wed 31/12

00:00-00:00

Nonstop0h 00m

฿3,097

Ko SamuiChiang Mai

USM Ko Samui - CNX Chiang Mai

USMCNX

Ko Samui

Wed 27/1

08:50-10:40

Nonstop1h 50m

Chiang Mai

Wed 31/12

00:00-00:00

Nonstop0h 00m

฿4,195

Ko SamuiChiang Mai

USM Ko Samui - CNX Chiang Mai

USMCNX

Ko Samui

Thu 21/1

08:50-10:40

Nonstop1h 50m

Chiang Mai

Wed 31/12

00:00-00:00

Nonstop0h 00m

฿4,229

Fastest return journey

Ko SamuiChiang Mai

USM Ko Samui - CNX Chiang Mai

USMCNX

Ko Samui

Sun 27/9

08:55-10:40

Nonstop1h 45m

Chiang Mai

Wed 31/12

00:00-00:00

Nonstop0h 00m

฿4,295

Ko SamuiChiang Mai

USM Ko Samui - CNX Chiang Mai

USMCNX

Ko Samui

Thu 15/10

07:50-13:50

1 stop6h 00m

Chiang Mai

Wed 31/12

00:00-00:00

Nonstop0h 00m

฿5,128

Ko SamuiChiang Mai

USM Ko Samui - CNX Chiang Mai

USMCNX

Ko Samui

Sun 29/11

07:00-11:50

1 stop4h 50m

Chiang Mai

Wed 31/12

00:00-00:00

Nonstop0h 00m

฿5,128

Ko SamuiChiang Mai

USM Ko Samui - CNX Chiang Mai

USMCNX

Ko Samui

Mon 12/10

07:50-15:15

1 stop7h 25m

Chiang Mai

Wed 31/12

00:00-00:00

Nonstop0h 00m

฿5,361

Ko SamuiChiang Mai

USM Ko Samui - CNX Chiang Mai

USMCNX

Ko Samui

Thu 18/2

08:50-10:40

Nonstop1h 50m

Chiang Mai

Wed 31/12

00:00-00:00

Nonstop0h 00m

฿5,594

Ko SamuiChiang Mai

USM Ko Samui - CNX Chiang Mai

USMCNX

Ko Samui

Mon 12/10

08:55-10:40

Nonstop1h 45m

Chiang Mai

Wed 31/12

00:00-00:00

Nonstop0h 00m

฿5,594

Ko SamuiChiang Mai

USM Ko Samui - CNX Chiang Mai

USMCNX

Ko Samui

Fri 30/10

08:15-15:40

1 stop7h 25m

Chiang Mai

Wed 31/12

00:00-00:00

Nonstop0h 00m

฿5,993

Flights are sorted by cheapest return flights first.

Deals found on 21/9

Showing 1-10 of 18 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 return 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?
Flights from Ko Samui to Chiang Mai have been viewed 1 times in the past calendar month.
How long is the flight from Ko Samui to Chiang Mai?
A quick flight from Ko Samui to Chiang Mai can take about 1h 50m. Bangkok Airways provides one of the quickest options available for as low as ฿7,592. The distance between Ko Samui and Chiang Mai is about 1032 km. Most flights are nonstop.
What are the most reliable airlines from Ko Samui to Chiang Mai?
The top 3 most reliable airlines when flying from Ko Samui to Chiang Mai are EVA Air (93%), Thai Airways (93%) and เอทิฮัดแอร์เวย์ (93%).
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 holiday 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.

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Can Cheapflights find flights from Ko Samui to Chiang Mai with no change fees?

Cheapflights does show flights with no change fees to all users. To see these options for flights from Ko Samui to Chiang Mai, users can toggle the no change fees filter when performing a flight search.

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Cheap flights from Ko Samui to Chiang Mai from ฿2,697

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 4/11. 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 21 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 21 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 stopovers in mind to ensure you get the best travel experience. Data last updated 21 September 2026.

Discover carefully curated flight deals from Ko Samui to Chiang Mai that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 21 September 2026.

Direct flights from Ko Samui to Chiang MaiExplore direct flight options from Ko Samui to Chiang Mai based on user searches, and compare prices and availability for your desired travel dates. Data last updated 21 September 2026.

Explore direct flight options from Ko Samui to Chiang Mai based on user searches, and compare prices and availability for your desired travel dates. Data last updated 21 September 2026.

Last-minute flights from Ko Samui to Chiang MaiDiscover last-minute flight deals from Ko Samui to Chiang Mai. Data last updated 21 September 2026 and is based on user searches.

Discover last-minute flight deals from Ko Samui to Chiang Mai. Data last updated 21 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 21 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 21 September 2026.

Find flight deals from Ko Samui to Chiang Mai

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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 have 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 21 September 2026.

Complete your trip

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

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

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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 21 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 stopovers in mind to ensure you get the best travel experience. Data last updated 21 September 2026.

Direct flights from Ko Samui to Chiang Mai
Explore direct flight options from Ko Samui to Chiang Mai based on user searches, and compare prices and availability for your desired travel dates. Data last updated 21 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 21 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 21 September 2026.