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Cheap flights from Chiang Mai to South Korea from ฿1,486

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 8/6. Fares are subject to change and may not be available on all flights or dates of travel.
CNX — ICN
10 Apr — 17 Apr1
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 March 2026.

Tue 9/623:30
CNX
-
ICN
1 stop9h 05m
Thai AirAsia
Tue 23/612:05
ICN
-
CNX
1 stop8h 35m
Thai AirAsia
Deal found 9/3฿2,656
Tue 30/620:00
CNX
-
ICN
1 stop12h 35m
Thai AirAsia
Tue 7/712:05
ICN
-
CNX
1 stop9h 20m
Thai AirAsia
Deal found 9/3฿2,845
Wed 24/623:30
CNX
-
ICN
1 stop9h 05m
Thai AirAsia
Fri 26/612:05
ICN
-
CNX
1 stop9h 20m
Thai AirAsia
Deal found 9/3฿2,908
Wed 22/423:30
CNX
-
ICN
1 stop9h 05m
Multiple Airlines
Wed 10/612:05
ICN
-
CNX
1 stop10h 35m
Multiple Airlines
Deal found 9/3฿5,406
Fri 30/1022:10
CNX
-
ICN
1 stop9h 55m
Thai AirAsia
Thu 5/1111:20
ICN
-
CNX
1 stop11h 20m
Thai AirAsia
Deal found 10/3฿6,070
Thu 7/500:50
CNX
-
ICN
Nonstop5h 25m
Multiple Airlines
Mon 11/512:05
ICN
-
CNX
1 stop9h 20m
Multiple Airlines
Deal found 9/3฿6,449
Thu 18/600:50
CNX
-
ICN
Nonstop5h 25m
Multiple Airlines
Tue 23/612:05
ICN
-
CNX
1 stop8h 35m
Multiple Airlines
Deal found 10/3฿6,481
Wed 6/523:30
CNX
-
ICN
1 stop9h 05m
Multiple Airlines
Sun 10/518:30
ICN
-
CNX
Nonstop6h 10m
Multiple Airlines
Deal found 7/3฿6,702
Tue 9/615:35
CNX
-
ICN
2 stops11h 55m
Multiple Airlines
Tue 23/612:05
ICN
-
CNX
1 stop8h 35m
Multiple Airlines
Deal found 9/3฿6,797
Wed 8/421:15
CNX
-
ICN
1 stop11h 20m
Multiple Airlines
Wed 15/411:55
ICN
-
CNX
1 stop12h 10m
Multiple Airlines
Deal found 6/3฿6,923
Mon 16/323:05
CNX
-
PUS
Nonstop5h 00m
Eastar Jet
Tue 24/318:15
PUS
-
CNX
Nonstop5h 45m
Eastar Jet
Deal found 10/3฿8,251
Wed 18/323:05
CNX
-
PUS
1 stop10h 40m
Multiple Airlines
Sun 22/318:15
PUS
-
CNX
Nonstop5h 45m
Multiple Airlines
Deal found 6/3฿8,536

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 March 2026.

Round-trip from

฿2,656

One-way from

฿1,486

Popular in

October

Cheapest in

September

Average price

฿9,800

Good round-trip deal

฿7,956 or less

Good one-way deal

฿4,907 or less
Thai AirAsia
  • Thai AirAsia
  • 9/6-23/6
  • 2 total stops
  • 17h 40m total
  • Chiang Mai to South Korea
Search Deals
Thai AirAsia
  • Thai AirAsia
  • 8/6
  • 1 total stop
  • 9h 05m total
  • Chiang Mai to South Korea
Search Deals
Highest demand for flights based on searches. 4% potential increase in price (฿18,092 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (฿11,688 potential savings vs. average return price).
Search Deals
Average for round-trip flights in March 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 March 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
Fastest return journey

Chiang MaiIncheon

CNX - ICN

CNXICN

Chiang Mai

Tue 30/6

21:15-10:35

1 stop11h 20m

Incheon Intl

Tue 7/7

12:05-18:40

1 stop8h 35m

฿8,441

Chiang MaiIncheon

CNX - ICN

CNXICN

Chiang Mai

Thu 25/6

23:30-10:35

1 stop9h 05m

Incheon Intl

Wed 5/8

12:05-22:05

1 stop12h 00m

฿8,883

Chiang MaiBusan

CNX - PUS

CNXPUS

Chiang Mai

Tue 21/4

19:45-06:20

1 stop8h 35m

Busan Gimhae

Tue 28/4

10:00-21:35

2 stops13h 35m

฿10,907

Chiang MaiBusan

CNX - PUS

CNXPUS

Chiang Mai

Mon 15/6

23:05-11:45

1 stop10h 40m

Busan Gimhae

Thu 25/6

12:45-21:50

1 stop11h 05m

฿10,938

Chiang MaiIncheon

CNX - ICN

CNXICN

Chiang Mai

Sun 14/6

10:05-22:45

1 stop10h 40m

Incheon Intl

Tue 16/6

07:45-09:15

1 stop27h 30m

฿11,571

Chiang MaiIncheon

CNX - ICN

CNXICN

Chiang Mai

Wed 22/4

10:05-17:25

3 stops29h 20m

Incheon Intl

Sun 14/6

07:45-09:15

3 stops27h 30m

฿12,076

Chiang MaiSeoul

CNX - GMP

CNXGMP

Chiang Mai

Tue 24/3

15:35-11:00

1 stop17h 25m

Seoul Gimpo Intl

Sat 28/3

12:00-13:25

1 stop27h 25m

฿12,140

Chiang MaiSeoul

CNX - GMP

CNXGMP

Chiang Mai

Thu 25/6

23:05-13:05

1 stop12h 00m

Seoul Gimpo Intl

Sat 27/6

14:25-21:50

1 stop9h 25m

฿13,214

Chiang MaiIncheon

CNX - ICN

CNXICN

Chiang Mai

Thu 25/6

16:10-10:55

2 stops16h 45m

Incheon Intl

Wed 5/8

13:10-09:15

2 stops22h 05m

฿13,373

Chiang MaiIncheon

CNX - ICN

CNXICN

Chiang Mai

Fri 8/5

16:10-13:15

3 stops19h 05m

Incheon Intl

Mon 11/5

06:50-15:20

3 stops34h 30m

฿13,878

Flights are sorted by cheapest return flights first.

Deals found on 10/3

Showing 1-10 of 50 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, April is the cheapest month in which you can book a flight from Chiang Mai to South Korea (average of ฿3,478). Flying from Chiang Mai to South Korea in January is currently the most expensive (average of ฿11,507). 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 March 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 March 2026.

The most flights from CNX to KR0 are scheduled on a Monday (4 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (3 on average).

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

About 13% 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 in the early afternoon 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 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, Asiana Airlines have had the lowest number of delays on this route, with just 10% 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 ฿2,656, Thai AirAsia can have you in South Korea from Chiang Mai in 9h 05m. 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 เดลต้า(83%), Jeju Air(83%) or T'way Air(82%), 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 ฿10,122, our data shows the cheapest flight currently is ฿4,907. When looking at the most popular route, (Chiang Mai - Incheon Intl), you can expect to pay ฿2,656 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, April is the cheapest month in which you can book a flight from Chiang Mai to South Korea (average of ฿3,478). Flying from Chiang Mai to South Korea in January is currently the most expensive (average of ฿11,507). 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

Browse thousands of different options on Cheapflights for your next trip

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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 Phuket City 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 11 March 2026.
AirlineCheapestAverageFlexibilityOn-time
Eastar JetCheapest฿5,544Average฿9,998FlexibilityNo 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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