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Cheap flights from Chiang Mai to South Korea from ฿3,699

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 15/2. Fares are subject to change and may not be available on all flights or dates of travel.
CNX — ICN
13 Mar — 20 Mar1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Chiang Mai to South Korea

Enter your travel dates to find the best prices.

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 11 February 2026.

Thu 12/322:10
CNX
-
ICN
1 stop9h 55m
Multiple Airlines
Wed 18/319:10
ICN
-
CNX
Nonstop6h 35m
Multiple Airlines
Deal found 11/2฿6,465
Mon 7/921:15
CNX
-
ICN
1 stop10h 50m
Multiple Airlines
Sun 13/917:20
ICN
-
CNX
Nonstop5h 25m
Multiple Airlines
Deal found 8/2฿6,931
Sun 6/923:30
CNX
-
ICN
1 stop8h 35m
Multiple Airlines
Sun 13/918:30
ICN
-
CNX
Nonstop6h 10m
Multiple Airlines
Deal found 8/2฿7,335
Sat 5/923:30
CNX
-
ICN
1 stop8h 35m
Multiple Airlines
Sat 12/918:30
ICN
-
CNX
Nonstop6h 10m
Multiple Airlines
Deal found 8/2฿7,397
Thu 19/323:05
CNX
-
PUS
Nonstop5h 00m
Eastar Jet
Mon 23/318:15
PUS
-
CNX
Nonstop5h 45m
Eastar Jet
Deal found 9/2฿7,428
Sun 6/923:30
CNX
-
ICN
1 stop8h 35m
Multiple Airlines
Sat 12/911:20
ICN
-
CNX
1 stop9h 20m
Multiple Airlines
Deal found 8/2฿7,522
Thu 5/323:05
CNX
-
PUS
Nonstop5h 00m
Eastar Jet
Mon 9/318:15
PUS
-
CNX
Nonstop5h 45m
Eastar Jet
Deal found 8/2฿7,553
Wed 18/323:05
CNX
-
PUS
Nonstop5h 00m
Eastar Jet
Mon 23/318:15
PUS
-
CNX
Nonstop5h 45m
Eastar Jet
Deal found 9/2฿7,584
Mon 14/914:35
CNX
-
ICN
1 stop18h 00m
Thai AirAsia
Wed 16/912:05
ICN
-
CNX
1 stop9h 20m
Thai AirAsia
Deal found 11/2฿7,584
Sun 6/921:45
CNX
-
ICN
Nonstop5h 20m
Jin Air
Sun 13/917:20
ICN
-
CNX
Nonstop5h 25m
Jin Air
Deal found 8/2฿7,646
Sat 12/923:30
CNX
-
ICN
1 stop9h 05m
Multiple Airlines
Wed 16/918:30
ICN
-
CNX
Nonstop6h 10m
Multiple Airlines
Deal found 11/2฿7,708
Wed 18/323:05
CNX
-
PUS
Nonstop5h 00m
Eastar Jet
Sun 22/318:15
PUS
-
CNX
Nonstop5h 45m
Eastar Jet
Deal found 9/2฿7,801

Find flight deals from Chiang Mai to South Korea

Keep the following information in mind while searching for Chiang Mai to South Korea flight deals. Data was last updated 11 February 2026.

Round-trip from

฿6,341

One-way from

฿3,699

Popular in

October

Cheapest in

September

Average price

฿9,853

Good round-trip deal

฿17,097 or less

Good one-way deal

฿4,824 or less
Eastar Jet
  • Eastar Jet
  • 25/3-28/3
  • 1 total stop
  • 15h 35m total
  • Chiang Mai to South Korea
Search Deals
T'way Air
  • T'way Air
  • 15/2
  • Nonstop
  • 4h 35m total
  • Chiang Mai to South Korea
Search Deals
Highest demand for flights based on searches. 3% potential increase in price (฿12,672 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (฿11,322 potential savings vs. average return price).
Search Deals
Average for round-trip flights in February 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

 
Customise your flight search to find flights from Chiang Mai to South Korea that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 17,341 searches. Data last updated 11 February 2026.
Use the filters below to find and compare flights from Chiang Mai to South Korea that are best for you.

Fly from

Chiang Mai

Fly to

South Korea

Route

Depart

Return

Price

Chiang MaiBusan

CNX - PUS

CNXPUS

Chiang Mai

Thu 5/3

23:05-06:05

Nonstop5h 00m

Busan Gimhae

Mon 9/3

18:15-22:00

Nonstop5h 45m

฿7,553

Chiang MaiIncheon

CNX - ICN

CNXICN

Chiang Mai

Tue 30/6

22:30-10:00

1 stop9h 30m

Incheon Intl

Tue 7/7

12:10-22:00

1 stop11h 50m

฿7,584

Chiang MaiBusan

CNX - PUS

CNXPUS

Chiang Mai

Wed 18/3

23:05-06:05

Nonstop5h 00m

Busan Gimhae

Mon 23/3

18:15-22:00

Nonstop5h 45m

฿7,584

Chiang MaiIncheon

CNX - ICN

CNXICN

Chiang Mai

Tue 30/6

19:05-10:35

1 stop13h 30m

Incheon Intl

Tue 7/7

17:20-20:45

Nonstop5h 25m

฿8,019

Chiang MaiBusan

CNX - PUS

CNXPUS

Chiang Mai

Thu 19/3

23:05-11:45

1 stop10h 40m

Busan Gimhae

Mon 23/3

18:15-22:00

Nonstop5h 45m

฿8,205

Chiang MaiBusan

CNX - PUS

CNXPUS

Chiang Mai

Thu 5/3

23:05-11:45

1 stop10h 40m

Busan Gimhae

Mon 9/3

18:15-22:00

Nonstop5h 45m

฿8,330

Chiang MaiBusan

CNX - PUS

CNXPUS

Chiang Mai

Wed 18/3

23:05-11:45

1 stop10h 40m

Busan Gimhae

Mon 23/3

18:15-22:00

Nonstop5h 45m

฿8,330

Chiang MaiIncheon

CNX - ICN

CNXICN

Chiang Mai

Thu 25/6

21:45-05:05

Nonstop5h 20m

Incheon Intl

Wed 5/8

12:05-23:00

1 stop12h 55m

฿8,361

Chiang MaiBusan

CNX - PUS

CNXPUS

Chiang Mai

Wed 18/3

23:05-11:45

1 stop10h 40m

Busan Gimhae

Sun 22/3

18:15-22:00

Nonstop5h 45m

฿8,641

Chiang MaiIncheon

CNX - ICN

CNXICN

Chiang Mai

Thu 25/6

00:50-08:15

Nonstop5h 25m

Incheon Intl

Wed 15/7

18:30-22:40

Nonstop6h 10m

฿9,418

Flights are sorted by cheapest return flights first.

Deals found on 8/2

Showing 1-10 of 58 results
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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.
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

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 ฿5,284). Flying from Chiang Mai to South Korea in January is currently the most expensive (average of ฿11,314). 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?

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 11 February 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

Explore weekly flight availability from Chiang Mai to South Korea. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated 11 February 2026.

The most flights from CNX to KR0 are scheduled on a Wednesday (7 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (4 on average).

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

About 12% of weekly flights between Chiang Mai and South Korea have experienced delays in the past year, with the average delay time being 120 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 in the early afternoon 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 Wednesday 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, Eastar Jet have had the lowest number of delays on this route, with just 9% of flights being delayed.

Related info for your journey

Find useful and relevant information for your journey from Chiang Mai to South Korea. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • 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 ฿7,553, Eastar Jet can have you in South Korea from Chiang Mai in 5h. The distance between Chiang Mai and South Korea is about 3462 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 เดลต้า(93%), T'way Air(87%) or Eastar Jet(81%), 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 ฿14,715, our data shows the cheapest flight currently is ฿4,007. When looking at the most popular route, (Chiang Mai - Incheon Intl), you can expect to pay ฿7,522 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 ฿5,284). Flying from Chiang Mai to South Korea in January is currently the most expensive (average of ฿11,314). 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.

See more FAQs

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Alternative routes for Chiang Mai to South Korea

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Fly with Cheapflights

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How does Cheapflights help users find flights from Chiang Mai to South Korea?

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.

Can Cheapflights find flights from Chiang Mai to South Korea with no change fees?

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?

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

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