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Cheap flights from Chiang Mai to South Korea from ฿4,036

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 2/7. Fares are subject to change and may not be available on all flights or dates of travel.
CNX — ICN
26 Jul — 2 Aug1
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 26 June 2026.

Thu 23/723:00
CNX
-
ICN
Nonstop5h 30m
Jeju Air
Mon 27/718:10
ICN
-
CNX
Nonstop5h 50m
Jeju Air
Deal found 23/6฿8,473
Sun 26/723:55
CNX
-
ICN
Nonstop5h 15m
Eastar Jet
Thu 30/718:30
ICN
-
CNX
Nonstop6h 10m
Eastar Jet
Deal found 26/6฿8,506
Wed 23/923:55
CNX
-
ICN
Nonstop5h 15m
Eastar Jet
Sun 27/918:30
ICN
-
CNX
Nonstop6h 10m
Eastar Jet
Deal found 25/6฿8,573
Sat 25/723:00
CNX
-
ICN
Nonstop5h 30m
Multiple Airlines
Wed 29/719:55
ICN
-
CNX
Nonstop5h 55m
Multiple Airlines
Deal found 25/6฿8,707
Thu 27/823:00
CNX
-
ICN
Nonstop5h 30m
Multiple Airlines
Wed 2/919:55
ICN
-
CNX
Nonstop5h 55m
Multiple Airlines
Deal found 26/6฿8,740
Sun 26/723:55
CNX
-
ICN
Nonstop5h 15m
Eastar Jet
Sun 2/818:30
ICN
-
CNX
Nonstop6h 10m
Eastar Jet
Deal found 25/6฿8,840
Sat 22/823:55
CNX
-
ICN
Nonstop5h 15m
Eastar Jet
Sun 30/818:30
ICN
-
CNX
Nonstop6h 10m
Eastar Jet
Deal found 23/6฿9,240
Tue 25/808:00
CNX
-
ICN
2 stops19h 50m
Multiple Airlines
Sat 29/819:55
ICN
-
CNX
Nonstop5h 55m
Multiple Airlines
Deal found 26/6฿9,307
Sun 9/823:55
CNX
-
ICN
Nonstop5h 15m
Multiple Airlines
Sun 16/819:55
ICN
-
CNX
Nonstop5h 55m
Multiple Airlines
Deal found 25/6฿9,407
Sat 22/823:55
CNX
-
ICN
Nonstop5h 15m
Eastar Jet
Wed 26/818:30
ICN
-
CNX
Nonstop6h 10m
Eastar Jet
Deal found 23/6฿9,541
Sat 29/823:00
CNX
-
ICN
Nonstop5h 30m
Multiple Airlines
Sat 5/919:55
ICN
-
CNX
Nonstop5h 55m
Multiple Airlines
Deal found 25/6฿9,607
Sun 23/823:10
CNX
-
PUS
Nonstop5h 05m
Eastar Jet
Thu 27/818:55
PUS
-
CNX
Nonstop5h 15m
Eastar Jet
Deal found 24/6฿10,975

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 26 June 2026.

Round-trip from

฿8,473

One-way from

฿4,036

Popular in

October

Cheapest in

May

Average price

฿11,909

Good round-trip deal

฿15,145 or less

Good one-way deal

฿5,178 or less
Jeju Air
  • Jeju Air
  • 23/7-27/7
  • Nonstop
  • 11h 20m total
  • Chiang Mai to South Korea
Search Deals
Jeju Air
  • Jeju Air
  • 2/7
  • Nonstop
  • 5h 30m total
  • Chiang Mai to South Korea
Search Deals
Highest demand for flights based on searches. 6% potential increase in price (฿30,470 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (฿10,361 potential savings vs. average return price).
Search Deals
Average for round-trip flights in June 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 26 June 2026.
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 - ICN

CNXICN

Chiang Mai

Wed 16/9

23:55-07:10

Nonstop5h 15m

Incheon Intl

Sun 20/9

18:30-22:40

Nonstop6h 10m

฿11,242

Chiang MaiIncheon

CNX - ICN

CNXICN

Chiang Mai

Thu 16/7

23:55-07:10

Nonstop5h 15m

Incheon Intl

Sun 19/7

18:30-22:40

Nonstop6h 10m

฿13,744

Chiang MaiIncheon

CNX - ICN

CNXICN

Chiang Mai

Sat 25/7

09:10-10:55

2 stops23h 45m

Incheon Intl

Wed 29/7

08:55-08:10

3 stops25h 15m

฿14,378

Chiang MaiIncheon

CNX - ICN

CNXICN

Chiang Mai

Tue 7/7

00:30-20:40

2 stops18h 10m

Incheon Intl

Sun 12/7

07:45-09:15

3 stops27h 30m

฿14,511

Chiang MaiIncheon

CNX - ICN

CNXICN

Chiang Mai

Tue 3/11

22:20-05:30

Nonstop5h 10m

Incheon Intl

Sat 7/11

17:25-21:20

Nonstop5h 55m

฿14,544
Fastest return journey

Chiang MaiBusan

CNX - PUS

CNXPUS

Chiang Mai

Sun 9/8

23:10-06:15

Nonstop5h 05m

Busan Gimhae

Sun 16/8

18:55-22:10

Nonstop5h 15m

฿15,612

Chiang MaiIncheon

CNX - ICN

CNXICN

Chiang Mai

Sat 19/12

22:20-05:30

Nonstop5h 10m

Incheon Intl

Tue 22/12

17:25-21:20

Nonstop5h 55m

฿15,779

Chiang MaiIncheon

CNX - ICN

CNXICN

Chiang Mai

Tue 1/12

22:20-05:30

Nonstop5h 10m

Incheon Intl

Wed 2/12

17:25-20:50

Nonstop5h 25m

฿15,779

Chiang MaiIncheon

CNX - ICN

CNXICN

Chiang Mai

Thu 26/11

10:05-11:00

3 stops22h 55m

Incheon Intl

Mon 30/11

08:30-15:25

3 stops32h 55m

฿16,046

Chiang MaiIncheon

CNX - ICN

CNXICN

Chiang Mai

Tue 15/9

21:45-05:05

Nonstop5h 20m

Incheon Intl

Mon 21/9

12:45-09:45

1 stop23h 00m

฿16,346

Flights are sorted by cheapest return flights first.

Deals found on 23/6

Showing 1-10 of 56 resultsSorted by cheapest first
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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, May is the cheapest month in which you can book a flight from Chiang Mai to South Korea (average of ฿2,135). Flying from Chiang Mai to South Korea in November is currently the most expensive (average of ฿10,942). 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 26 June 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.

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 111 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 7% 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 ฿11,242, Eastar Jet can have you in South Korea from Chiang Mai in 5h 15m. 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 Air Busan(100%), Eastar Jet(96%) or Jeju Air(96%), 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 ฿26,968, our data shows the cheapest flight currently is ฿5,178. When looking at the most popular route, (Chiang Mai - Incheon Intl), you can expect to pay ฿8,707 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, May is the cheapest month in which you can book a flight from Chiang Mai to South Korea (average of ฿2,135). Flying from Chiang Mai to South Korea in November is currently the most expensive (average of ฿10,942). 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

See prices for flight routes from nearby airports that may be better suited for you.
Chiang Mai to Ko Samui flights
Chiang Mai to Krabi flights

Top airline flying from Chiang Mai to South Korea

Discover the top airline that operate flights from Chiang Mai to South Korea. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 17,341 searches. Data last updated 26 June 2026.
AirlineCheapestAverageFlexibilityOn-time
Eastar JetCheapest฿5,850Average฿10,093FlexibilityNo cancel feeOn-time86%
Search Eastar Jet flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

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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