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.

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.

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 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?

This flight path from Ko Samui to Chiang Mai was viewed by 3 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

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

Airlines like Bangkok Airways fly from Ko Samui to Chiang Mai in about 1h 45m. The time it takes to get you to your destination is usually consistent. The distance between Ko Samui and Chiang Mai is about 641 mi. Generally, flights for this route are 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 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?

Before booking your flight to Chiang Mai from Ko Samui, check out the most reliable airlines to get you to your destination on time: EVA Air (93%), Thai Airways (93%), Etihad Airways( 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.

£69+ 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

Best

Direct

Last-minute

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 21 September 2026.

Mon 2/1108:50 -

Nonstop1h 50m

Mon 9/1108:30 -

1 stop12h 00m

Deal found 18/9£160

Fri 16/1008:55 -

Nonstop1h 45m

Mon 19/1009:35 -

1 stop5h 50m

Deal found 17/9£167

Fri 16/1008:55 -

Nonstop1h 45m

Mon 19/1011:35 -

Nonstop1h 45m

Deal found 17/9£195

Wed 4/1109:40 -

1 stop10h 40m

Wed 11/1122:35 -

1 stop9h 35m

Deal found 20/9£199

Fri 30/1008:50 -

Nonstop1h 50m

Sun 1/1111:30 -

Nonstop1h 45m

Deal found 18/9£214

Fri 30/1008:15 -

1 stop7h 25m

Sun 1/1106:35 -

1 stop9h 40m

Deal found 18/9£228

Thu 15/1007:50 -

1 stop6h 00m

Thu 22/1015:45 -

1 stop5h 50m

Deal found 17/9£249

Find flight deals from Ko Samui to Chiang Mai

Round-trip from	£160
One-way from	£69
Popular in	July
Cheapest in	April
Average price	£245
Good one-way deal	£66 or less

2/11-9/11
1 total stop
13h 50m 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. 28% potential increase in price (£82 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 4% potential price decrease (£9 potential savings vs. average return price).

Search Deals

Average for round-trip flights in September 2026

Search Deals

Price to beat on a one-way flight from Ko Samui to Chiang Mai.

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 return flight

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

£84

Ko SamuiChiang Mai

USM Ko Samui - CNX Chiang Mai

USMCNX

Ko Samui

Tue 26/1

08:50-10:40

Nonstop1h 50m

Chiang Mai

Wed 31/12

00:00-00:00

Nonstop0h 00m

£94

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

£95

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

£96

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

£115

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

£120

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

£125

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

£134

Ko SamuiChiang Mai

USM Ko Samui - CNX Chiang Mai

USMCNX

Ko Samui

Fri 16/10

08:55-10:40

Nonstop1h 45m

Chiang Mai

Mon 19/10

11:35-13:20

Nonstop1h 45m

£195

Ko SamuiChiang Mai

USM Ko Samui - CNX Chiang Mai

USMCNX

Ko Samui

Wed 4/11

09:40-20:20

1 stop10h 40m

Chiang Mai

Wed 11/11

22:35-08:10

1 stop9h 35m

£199

Flights are sorted by cheapest return flights first.

Deals found on 16/9

Showing 1-10 of 17 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?

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.

Related info for your journey

How popular is this Ko Samui to Chiang Mai flight route?
This flight path from Ko Samui to Chiang Mai was viewed by 3 users in the past month. Keep an eye out for changes in search interest prior to high and low season.
How long is the flight from Ko Samui to Chiang Mai?
Airlines like Bangkok Airways fly from Ko Samui to Chiang Mai in about 1h 45m. The time it takes to get you to your destination is usually consistent. The distance between Ko Samui and Chiang Mai is about 641 mi. Generally, flights for this route are direct.
What are the most reliable airlines from Ko Samui to Chiang Mai?
Before booking your flight to Chiang Mai from Ko Samui, check out the most reliable airlines to get you to your destination on time: EVA Air (93%), Thai Airways (93%), Etihad Airways( 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.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Alternative routes

Chiang Mai flight routes

Complete your trip

Direct flights to Thailand

Flights by cabin class

Other flight options

Popular flights

Alternative routes for Ko Samui to Chiang Mai

Fly with Cheapflights

How does Cheapflights help users find flights from Ko Samui to Chiang Mai?

When you search for this flight from Ko Samui to Chiang Mai, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

Why should you use Cheapflights to find cheap flight tickets from Ko Samui to Chiang Mai?

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Chiang Mai from Ko Samui.

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

Yes! Cheapflights helps users easily find flights from Ko Samui to Chiang Mai with no change fees.

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

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.

Cheap flights from Ko Samui to Chiang Mai from £69

This is the cheapest retur 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 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

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Good one-way deal

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?

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 (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

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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 hire and/or hotel booking to your travel itinerary.

Direct flights to Thailand

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

Search flights from Ko Samui to Chiang Mai by cabin class

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

Ko Samui and Chiang Mai flights

Browse other Ko Samui and Chiang Mai flight options. Last updated on 21 September 2026.

Popular flight searches

Check out other popular destinations found by fellow travellers in 2026

Fly with Cheapflights

How does Cheapflights help users find flights from Ko Samui to Chiang Mai?

Why should you use Cheapflights to find cheap flight tickets from Ko Samui to Chiang Mai?

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

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

100% Free

Book with Flexibility

Travel Smart

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.