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 109 minutes.

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 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.

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 4h 20m. Bangkok Airways provides one of the quickest options available for as low as ฿9,892. The distance between Ko Samui and Chiang Mai is about 1032 km.

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 (90%), Thai Airways (90%) and China Airlines (90%).

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.

฿2,860+ Cheap Flights from Ko Samui to Chiang Mai

Cheap flight deals from 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 5 November 2026.

Sat 7/1108:50 -

Nonstop1h 50m

Mon 9/1122:35 -

1 stop9h 35m

Deal found 2/11฿6,124

Sat 7/1110:20 -

1 stop12h 25m

Tue 10/1122:35 -

1 stop8h 35m

Deal found 1/11฿7,268

Thu 5/1108:50 -

Nonstop1h 50m

Mon 9/1122:35 -

1 stop10h 45m

Deal found 2/11฿7,369

Find flight deals from Ko Samui to Chiang Mai

Round-trip from	฿7,705
One-way from	฿2,860
Popular in	January
Cheapest in	April
Average price	฿14,435

17/3-22/3
1 total stop
10h 25m total
Ko Samui to Chiang Mai

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Bangkok Airways
17/3-31/12
Nonstop
1h 50m total
Ko Samui to Chiang Mai

Search Deals

Highest demand for flights based on searches. 11% potential increase in price (฿65,441 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 3% potential price decrease (฿15,078 potential savings vs. average return price).

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Average for round-trip flights in November 2026

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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.

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Route

Depart

Return

Price

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Ko SamuiChiang Mai

USM Ko Samui - CNX Chiang Mai

USMCNX

Ko Samui

Thu 19/11

08:50-10:40

Nonstop1h 50m

Chiang Mai

Wed 31/12

00:00-00:00

Nonstop0h 00m

฿4,206

Ko SamuiChiang Mai

USM Ko Samui - CNX Chiang Mai

USMCNX

Ko Samui

Thu 12/11

08:50-10:40

Nonstop1h 50m

Chiang Mai

Wed 31/12

00:00-00:00

Nonstop0h 00m

฿4,206

Ko SamuiChiang Mai

USM Ko Samui - CNX Chiang Mai

USMCNX

Ko Samui

Tue 15/12

08:50-10:40

Nonstop1h 50m

Chiang Mai

Wed 31/12

00:00-00:00

Nonstop0h 00m

฿4,273

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

฿4,778

Ko SamuiChiang Mai

USM Ko Samui - CNX Chiang Mai

USMCNX

Ko Samui

Sat 14/11

08:50-10:40

Nonstop1h 50m

Chiang Mai

Wed 31/12

00:00-00:00

Nonstop0h 00m

฿4,778

Ko SamuiChiang Mai

USM Ko Samui - CNX Chiang Mai

USMCNX

Ko Samui

Sat 12/12

08:50-10:40

Nonstop1h 50m

Chiang Mai

Wed 31/12

00:00-00:00

Nonstop0h 00m

฿4,879

Ko SamuiChiang Mai

USM Ko Samui - CNX Chiang Mai

USMCNX

Ko Samui

Mon 16/11

08:50-10:40

Nonstop1h 50m

Chiang Mai

Fri 20/11

06:30-10:25

1 stop3h 55m

฿9,489

Ko SamuiChiang Mai

USM Ko Samui - CNX Chiang Mai

USMCNX

Ko Samui

Wed 17/3

07:00-11:20

1 stop4h 20m

Chiang Mai

Mon 22/3

19:45-07:10

1 stop11h 25m

฿9,892

Ko SamuiChiang Mai

USM Ko Samui - CNX Chiang Mai

USMCNX

Ko Samui

Wed 2/12

08:50-10:40

Nonstop1h 50m

Chiang Mai

Wed 9/12

19:45-07:45

1 stop12h 00m

฿10,162

Ko SamuiChiang Mai

USM Ko Samui - CNX Chiang Mai

USMCNX

Ko Samui

Mon 16/11

08:50-10:40

Nonstop1h 50m

Chiang Mai

Sun 22/11

06:35-11:50

1 stop5h 15m

฿10,296

Flights are sorted by cheapest return flights first.

Deals found on 2/11

Showing 1-10 of 16 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 4h 20m. Bangkok Airways provides one of the quickest options available for as low as ฿9,892. The distance between Ko Samui and Chiang Mai is about 1032 km.
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 (90%), Thai Airways (90%) and China Airlines (90%).
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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Millions of users choose and trust Cheapflights to book the best flight deals from Ko Samui to Chiang Mai for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

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 ฿2,860

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 17/3. 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 5 November 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 5 November 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 5 November 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 5 November 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 5 November 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 5 November 2026.

Last-minute flights from Ko Samui to Chiang MaiDiscover last-minute flight deals from Ko Samui to Chiang Mai. Data last updated 5 November 2026 and is based on user searches.

Discover last-minute flight deals from Ko Samui to Chiang Mai. Data last updated 5 November 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 5 November 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 5 November 2026.

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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 109 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

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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 5 November 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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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 5 November 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 5 November 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 5 November 2026.

Last-minute flights from Ko Samui to Chiang Mai
Discover last-minute flight deals from Ko Samui to Chiang Mai. Data last updated 5 November 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 5 November 2026.