How long is the flight from Chiang Mai to South Korea?

For as low as ฿9,589, Air Busan can have you in South Korea from Chiang Mai in 5h. The distance between Chiang Mai and South Korea is about 3378 km. This flight may include one or multiple stops.

In terms of precipitation, rainfall in South Korea ranges from 20.0 - 260.0 inches per month. July is typically the wettest month, when rainfall can reach 260.0 mm. January is typically the driest time to visit South Korea when rainfall is around 20.0 mm.

If weather is an important factor for your trip to South Korea, use this chart to help with planning. For those seeking warmer temperatures, August is the ideal time of year to visit, when temperatures reach an average of 25.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around -2.0 C).

What are the most popular routes from Chiang Mai to South Korea?

The most popular flight routes from Chiang Mai to South Korea are Chiang Mai - Incheon Intl, Chiang Mai - Seoul Gimpo Intl and Chiang Mai - Busan Gimhae.

What are the cheapest flights from Chiang Mai to South Korea?

While on average a flight from Chiang Mai to South Korea is generally ฿23,980, our data shows the cheapest flight currently is ฿5,048. When looking at the most popular route, (Chiang Mai - Incheon Intl), you can expect to pay ฿7,758 for that flight.

What are the most reliable airlines from Chiang Mai to South Korea?

No one likes to see their flight delayed. When booking a flight from Chiang Mai to South Korea consider choosing Jeju Air(98%), Eastar Jet(97%) or Air Busan(97%), as they are the most reliable in getting you off to your destination on time.

What airport do you fly from for flights from Chiang Mai to South Korea?

If you book a flight to South Korea from Chiang Mai, you will be flying from Chiang Mai, which is the city’s only airport. Chiang Mai (CNX) is located 3.1 km from the centre of Chiang Mai.

Can I find deals for flights from Chiang Mai to South Korea that include hotel bookings?

Yes. In addition to deals on Chiang Mai to South Korea flights, Cheapflights offers holiday packages that include both flights and hotel.

How can I find direct flights from Chiang Mai to South Korea?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Chiang Mai to South Korea.

Can I find deals for business class flights from Chiang Mai to South Korea?

Yes. Cheapflights offers flight deals from Chiang Mai to South Korea by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

฿3,429+ Cheap Flights from Chiang Mai to South Korea

Cheap flight deals from Chiang Mai to South Korea

Enter your travel dates to find the best prices.

Cheapest

Best

Direct

Last-minute

One-way

Cheapest flights from Chiang Mai to South Korea
Explore the most affordable flight options available from Chiang Mai to South Korea. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 20 September 2026.

Thu 1/1023:00 -

Nonstop5h 30m

Wed 7/1018:10 -

Nonstop5h 50m

Deal found 17/9฿6,825

Thu 1/1023:55 -

Nonstop5h 15m

Wed 7/1018:10 -

Nonstop5h 50m

Deal found 17/9฿6,859

Sat 3/1023:00 -

Nonstop5h 30m

Wed 7/1019:55 -

Nonstop5h 55m

Deal found 20/9฿6,892

Wed 23/923:00 -

Nonstop5h 30m

Sun 27/919:55 -

Nonstop5h 55m

Deal found 20/9฿7,225

Thu 1/1000:50 -

Nonstop5h 25m

Tue 6/1018:10 -

Nonstop5h 50m

Deal found 18/9฿7,358

Thu 1/1023:00 -

Nonstop5h 30m

Mon 5/1018:10 -

Nonstop5h 50m

Deal found 17/9฿7,491

Wed 23/923:55 -

Nonstop5h 15m

Sun 27/918:30 -

Nonstop6h 00m

Deal found 16/9฿7,591

Sat 3/1000:50 -

Nonstop5h 25m

Thu 8/1018:30 -

Nonstop6h 00m

Deal found 20/9฿7,824

Wed 23/900:50 -

Nonstop5h 25m

Sat 26/919:55 -

Nonstop5h 55m

Deal found 19/9฿8,024

Wed 23/900:50 -

Nonstop5h 25m

Sat 26/918:10 -

Nonstop5h 50m

Deal found 19/9฿8,057

Wed 28/1016:30 -

1 stop12h 25m

Mon 9/1108:00 -

1 stop9h 30m

Deal found 17/9฿9,556

Tue 27/1023:05 -

Nonstop5h 00m

Wed 11/1118:15 -

Nonstop5h 45m

Deal found 17/9฿9,656

Best flights from Chiang Mai to South Korea
Discover carefully curated flight deals from Chiang Mai to South Korea that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 20 September 2026.

Sat 31/1000:10 -

Nonstop5h 00m

Sun 8/1119:00 -

Nonstop6h 10m

Deal found 17/9฿9,589

Fri 30/1016:30 -

1 stop12h 25m

Fri 6/1118:15 -

Nonstop5h 45m

Deal found 15/9฿9,656

Tue 3/1123:05 -

Nonstop5h 00m

Tue 10/1118:15 -

Nonstop5h 45m

Deal found 19/9฿10,155

Sat 5/1215:35 -

1 stop23h 15m

Sun 13/1218:50 -

2 stops21h 30m

Deal found 16/9฿11,753

Sat 19/1223:05 -

1 stop12h 00m

Wed 23/1214:25 -

1 stop9h 25m

Deal found 20/9฿16,781

Tue 3/1123:05 -

1 stop15h 30m

Tue 10/1116:45 -

Nonstop5h 55m

Deal found 19/9฿11,220

Fri 4/1215:35 -

2 stops17h 25m

Sat 12/1215:40 -

2 stops18h 55m

Deal found 19/9฿12,153

Thu 3/1200:10 -

Nonstop5h 00m

Sat 12/1219:00 -

Nonstop6h 10m

Deal found 19/9฿12,219

Mon 9/1123:05 -

Nonstop5h 00m

Fri 13/1118:15 -

Nonstop5h 45m

Deal found 19/9฿12,452

Sat 5/1223:40 -

Nonstop5h 20m

Sun 13/1219:00 -

Nonstop5h 40m

Deal found 16/9฿12,486

Tue 8/1215:35 -

1 stop23h 50m

Sat 12/1216:40 -

2 stops21h 20m

Deal found 19/9฿12,685

Tue 3/1123:05 -

1 stop7h 40m

Tue 10/1120:05 -

2 stops21h 25m

Deal found 19/9฿13,618

Tue 3/1116:25 -

2 stops17h 10m

Tue 10/1118:50 -

2 stops22h 35m

Deal found 19/9฿12,918

Tue 15/1223:05 -

1 stop12h 00m

Sat 19/1214:25 -

1 stop9h 25m

Deal found 16/9฿16,914

Wed 3/319:40 -

1 stop8h 05m

Sun 7/320:50 -

2 stops20h 35m

Deal found 17/9฿14,117

Fri 30/1016:25 -

2 stops22h 25m

Fri 6/1117:50 -

1 stop22h 30m

Deal found 15/9฿12,952

Tue 8/1223:05 -

1 stop12h 00m

Sat 12/1215:05 -

1 stop8h 55m

Deal found 19/9฿14,350

Mon 9/1113:00 -

2 stops20h 35m

Fri 13/1117:50 -

2 stops20h 10m

Deal found 19/9฿13,251

Fri 18/1200:35 -

Nonstop4h 50m

Wed 23/1219:00 -

Nonstop6h 10m

Deal found 20/9฿15,349

Sun 20/1216:25 -

2 stops23h 25m

Fri 25/1218:50 -

2 stops22h 35m

Deal found 15/9฿14,683

Mon 1/323:05 -

1 stop12h 00m

Sun 14/314:25 -

1 stop9h 25m

Deal found 18/9฿22,408

Mon 1/319:40 -

1 stop7h 50m

Sun 14/317:25 -

Nonstop5h 25m

Deal found 15/9฿16,614

Sat 19/1216:25 -

2 stops16h 30m

Wed 23/1212:00 -

3 stops22h 35m

Deal found 20/9฿15,183

Wed 3/323:05 -

1 stop12h 00m

Sun 7/314:25 -

1 stop9h 25m

Deal found 17/9฿23,606

Wed 14/1016:10 -

3 stops16h 50m

Wed 21/1014:30 -

2 stops20h 45m

Deal found 16/9฿16,081

Thu 19/1123:05 -

1 stop12h 00m

Mon 23/1120:50 -

1 stop19h 30m

Deal found 20/9฿17,713

Mon 4/123:05 -

1 stop12h 00m

Thu 7/114:25 -

1 stop9h 25m

Deal found 16/9฿23,639

Sun 20/1207:05 -

2 stops31h 45m

Fri 25/1218:50 -

3 stops28h 30m

Deal found 15/9฿20,843

Fri 19/323:05 -

1 stop12h 00m

Tue 23/314:25 -

1 stop9h 25m

Deal found 17/9฿28,833

Mon 25/123:05 -

1 stop12h 00m

Fri 29/114:25 -

1 stop9h 25m

Deal found 16/9฿39,055

Find flight deals from Chiang Mai to South Korea

Round-trip from	฿6,825
One-way from	฿3,429
Popular in	November
Cheapest in	October
Average price	฿11,121
Good round-trip deal	฿16,882 or less
Good one-way deal	฿10,629 or less

Jeju Air
1/10-7/10
Nonstop
11h 20m total
Chiang Mai to South Korea

Search Deals

Air Busan
7/10-31/12
Nonstop
5h 25m total
Chiang Mai to South Korea

Search Deals

Highest demand for flights based on searches. 5% potential increase in price (฿21,896 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 3% potential price decrease (฿12,397 potential savings vs. average return price).

Search Deals

Average for round-trip flights in September 2026

Search Deals

Price to beat on a round-trip flight from Chiang Mai to South Korea.

Search Deals

Price to beat on a one-way flight from Chiang Mai to South Korea.

Search Deals

Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

Chiang MaiIncheon

CNX Chiang Mai - ICN Incheon Intl

CNXICN

Chiang Mai

Fri 25/9

23:00-06:30

Nonstop5h 30m

Incheon Intl

Wed 31/12

00:00-22:00

Nonstop0h 00m

฿3,862

Chiang MaiIncheon

CNX Chiang Mai - ICN Incheon Intl

CNXICN

Chiang Mai

Thu 1/10

23:55-07:10

Nonstop5h 15m

Incheon Intl

Wed 31/12

00:00-22:00

Nonstop0h 00m

฿3,862

Chiang MaiBusan

CNX Chiang Mai - PUS Busan Gimhae

CNXPUS

Chiang Mai

Sun 6/12

16:30-06:55

1 stop12h 25m

Busan Gimhae

Wed 31/12

00:00-22:00

Nonstop0h 00m

฿4,661

Chiang MaiIncheon

CNX Chiang Mai - ICN Incheon Intl

CNXICN

Chiang Mai

Tue 1/12

22:20-05:30

Nonstop5h 10m

Incheon Intl

Wed 31/12

00:00-22:00

Nonstop0h 00m

฿4,828

Chiang MaiBusan

CNX Chiang Mai - PUS Busan Gimhae

CNXPUS

Chiang Mai

Mon 16/11

23:05-06:05

Nonstop5h 00m

Busan Gimhae

Wed 31/12

00:00-22:00

Nonstop0h 00m

฿5,294

Chiang MaiBusan

CNX Chiang Mai - PUS Busan Gimhae

CNXPUS

Chiang Mai

Thu 1/10

23:10-06:15

Nonstop5h 05m

Busan Gimhae

Wed 31/12

00:00-22:00

Nonstop0h 00m

฿5,427

Chiang MaiIncheon

CNX Chiang Mai - ICN Incheon Intl

CNXICN

Chiang Mai

Wed 7/10

23:55-07:10

Nonstop5h 15m

Incheon Intl

Wed 31/12

00:00-22:00

Nonstop0h 00m

฿5,860

Chiang MaiBusan

CNX Chiang Mai - PUS Busan Gimhae

CNXPUS

Chiang Mai

Thu 1/10

17:45-07:00

1 stop11h 15m

Busan Gimhae

Wed 31/12

00:00-22:00

Nonstop0h 00m

฿6,060

Chiang MaiIncheon

CNX Chiang Mai - ICN Incheon Intl

CNXICN

Chiang Mai

Wed 30/9

20:35-10:00

1 stop11h 25m

Incheon Intl

Wed 31/12

00:00-22:00

Nonstop0h 00m

฿6,060

Chiang MaiSeoul

CNX Chiang Mai - GMP Seoul Gimpo Intl

CNXGMP

Chiang Mai

Mon 7/12

23:05-13:05

1 stop12h 00m

Seoul Gimpo Intl

Wed 31/12

00:00-22:00

Nonstop0h 00m

฿6,226

Flights are sorted by cheapest return flights first.

Deals found on 16/9

Showing 1-10 of 60 resultsSorted by cheapest first

...

Best time to book a flight from Chiang Mai to South Korea

Have a flexible travel schedule? Discover the best time to fly to South Korea from Chiang Mai with our price prediction graph.

CNX-ICN

CNX-PUS

CNX-GMP

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 Chiang Mai to South Korea

CNX-KR0

CNX-ICN

CNX-PUS

CNX-GMP

What is the cheapest month to book a flight from Chiang Mai to South Korea?

Currently, October is the cheapest month in which you can book a flight from Chiang Mai to South Korea (average of ฿8,357). Flying from Chiang Mai to South Korea in November is currently the most expensive (average of ฿16,181). 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 CNX to KR?

When flying from Chiang Mai to South Korea, 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 Chiang Mai to South Korea

The most flights from CNX to KR0 are scheduled on a Wednesday (4 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (2 on average).

How often are flights from Chiang Mai to South Korea delayed?

About 11% of weekly flights between Chiang Mai and South Korea have experienced delays in the past year, with the average delay time being 113 minutes.

What is the most punctual flight time for Chiang Mai to South Korea flights?

Historically, flights departing at night are less likely to be delayed, whereas flights leaving at night tend to experience delays more often.

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

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

Which airline has the best punctuality record on Chiang Mai to South Korea flights?

Over the past year, Korean Air have had the lowest number of delays on this route, with just 6% of flights being delayed.

Related info for your journey

What airport do you fly from for flights from Chiang Mai to South Korea?
If you book a flight to South Korea from Chiang Mai, you will be flying from Chiang Mai, which is the city’s only airport. Chiang Mai (CNX) is located 3.1 km from the centre of Chiang Mai.
How long is the flight from Chiang Mai to South Korea?
For as low as ฿9,589, Air Busan can have you in South Korea from Chiang Mai in 5h. The distance between Chiang Mai and South Korea is about 3378 km. This flight may include one or multiple stops.
What are the most popular routes from Chiang Mai to South Korea?
The most popular flight routes from Chiang Mai to South Korea are Chiang Mai - Incheon Intl, Chiang Mai - Seoul Gimpo Intl and Chiang Mai - Busan Gimhae.
What are the most reliable airlines from Chiang Mai to South Korea?
No one likes to see their flight delayed. When booking a flight from Chiang Mai to South Korea consider choosing Jeju Air(98%), Eastar Jet(97%) or Air Busan(97%), as they are the most reliable in getting you off to your destination on time.
What are the cheapest flights from Chiang Mai to South Korea?
While on average a flight from Chiang Mai to South Korea is generally ฿23,980, our data shows the cheapest flight currently is ฿5,048. When looking at the most popular route, (Chiang Mai - Incheon Intl), you can expect to pay ฿7,758 for that flight.
Can I find deals for flights from Chiang Mai to South Korea that include hotel bookings?
Yes. In addition to deals on Chiang Mai to South Korea flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from Chiang Mai to South Korea?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Chiang Mai to South Korea.
Can I find deals for business class flights from Chiang Mai to South Korea?
Yes. Cheapflights offers flight deals from Chiang Mai to South Korea 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 Chiang Mai to South Korea?
Currently, October is the cheapest month in which you can book a flight from Chiang Mai to South Korea (average of ฿8,357). Flying from Chiang Mai to South Korea in November is currently the most expensive (average of ฿16,181). 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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Top airline flying from Chiang Mai to South Korea

Airline	Cheapest	Average	Flexibility	On-time
Eastar Jet	Cheapest฿5,839	Average฿10,119	FlexibilityNo cancel fee	On-time86%	Search Eastar Jet flights

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When you search for this flight from Chiang Mai to South Korea, 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 Chiang Mai to South Korea?

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Chiang Mai to South Korea.

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Users can book flights with no change fees policies with our dedicated filters. Book flights from Chiang Mai to South Korea flexibly with Cheapflights today.

Can Cheapflights notify me if prices for flights from Chiang Mai to South Korea become cheaper?

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Cheap flights from Chiang Mai to South Korea from ฿3,429

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 7/10. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Chiang Mai to South Korea

Cheapest flights from Chiang Mai to South KoreaExplore the most affordable flight options available from Chiang Mai to South Korea. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 20 September 2026.

Explore the most affordable flight options available from Chiang Mai to South Korea. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 20 September 2026.

Best flights from Chiang Mai to South KoreaDiscover carefully curated flight deals from Chiang Mai to South Korea that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 20 September 2026.

Discover carefully curated flight deals from Chiang Mai to South Korea that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 20 September 2026.

Direct flights from Chiang Mai to South KoreaExplore direct flight options from Chiang Mai to South Korea based on user searches, and compare prices and availability for your desired travel dates. Data last updated 20 September 2026.

Explore direct flight options from Chiang Mai to South Korea based on user searches, and compare prices and availability for your desired travel dates. Data last updated 20 September 2026.

Last-minute flights from Chiang Mai to South KoreaDiscover last-minute flight deals from Chiang Mai to South Korea. Data last updated 20 September 2026 and is based on user searches.

Discover last-minute flight deals from Chiang Mai to South Korea. Data last updated 20 September 2026 and is based on user searches.

One-way flights from Chiang Mai to South KoreaSearch for one-way flight options from Chiang Mai to South Korea. Find affordable one-way fares based on user searches. Data last updated 20 September 2026.

Search for one-way flight options from Chiang Mai to South Korea. Find affordable one-way fares based on user searches. Data last updated 20 September 2026.

Find flight deals from Chiang Mai to South Korea

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

Best time to book a flight from Chiang Mai to South Korea

Have a flexible travel schedule? Discover the best time to fly to South Korea from Chiang Mai with our price prediction graph.

Cheapflights Insights

What is the cheapest month to book a flight from Chiang Mai to South Korea?

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

Find hourly flight availability from Chiang Mai to South Korea. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 20 September 2026.

When flying from Chiang Mai to South Korea, 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 Chiang Mai to South Korea

The most flights from CNX to KR0 are scheduled on a Wednesday (4 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (2 on average).

How often are flights from Chiang Mai to South Korea delayed?

About 11% of weekly flights between Chiang Mai and South Korea have experienced delays in the past year, with the average delay time being 113 minutes.

What is the most punctual flight time for Chiang Mai to South Korea flights?

Historically, flights departing at night are less likely to be delayed, whereas flights leaving at night tend to experience delays more often.

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

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

Which airline has the best punctuality record on Chiang Mai to South Korea flights?

Over the past year, Korean Air have had the lowest number of delays on this route, with just 6% of flights being delayed.

Related info for your journey

What airport do you fly from for flights from Chiang Mai to South Korea?

How long is the flight from Chiang Mai to South Korea?

What are the most popular routes from Chiang Mai to South Korea?

What are the most reliable airlines from Chiang Mai to South Korea?

What are the cheapest flights from Chiang Mai to South Korea?

Can I find deals for flights from Chiang Mai to South Korea that include hotel bookings?

How can I find direct flights from Chiang Mai to South Korea?

Can I find deals for business class flights from Chiang Mai to South Korea?

What is the cheapest month to book a flight from Chiang Mai to South Korea?

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Chiang Mai and South Korea flights

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Cheapest flights from Chiang Mai to South Korea
Explore the most affordable flight options available from Chiang Mai to South Korea. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 20 September 2026.

Best flights from Chiang Mai to South Korea
Discover carefully curated flight deals from Chiang Mai to South Korea that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 20 September 2026.

Direct flights from Chiang Mai to South Korea
Explore direct flight options from Chiang Mai to South Korea based on user searches, and compare prices and availability for your desired travel dates. Data last updated 20 September 2026.

Last-minute flights from Chiang Mai to South Korea
Discover last-minute flight deals from Chiang Mai to South Korea. Data last updated 20 September 2026 and is based on user searches.

One-way flights from Chiang Mai to South Korea
Search for one-way flight options from Chiang Mai to South Korea. Find affordable one-way fares based on user searches. Data last updated 20 September 2026.