Find flights
Deals
When to book
Airlines
FAQs
Thailand (ภาษาไทย)
ภาษาไทย

Cheap flights from Chiang Mai to South Korea from ฿3,244

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 6/3. Fares are subject to change and may not be available on all flights or dates of travel.
CNX — ICN
10 Jan — 17 Jan1
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 December 2025.

Thu 18/1221:25CNX - ICN
Nonstop5h 05mMultiple Airlines
Wed 11/307:35ICN - CNX
1 stop27h 05mMultiple Airlines
Deal found 10/12฿8,461
Thu 18/1221:25CNX - ICN
Nonstop5h 05mMultiple Airlines
Sat 14/311:20ICN - CNX
1 stop27h 05mMultiple Airlines
Deal found 11/12฿8,811
Fri 12/1221:40CNX - ICN
Nonstop5h 05mMultiple Airlines
Sun 11/114:40ICN - CNX
1 stop9h 10mMultiple Airlines
Deal found 10/12฿9,383
Thu 25/1221:50CNX - ICN
Nonstop5h 40mMultiple Airlines
Mon 29/1214:20ICN - CNX
3 stops20h 45mMultiple Airlines
Deal found 10/12฿10,528
Thu 11/1222:05CNX - ICN
Nonstop4h 50mMultiple Airlines
Mon 15/1212:30ICN - CNX
1 stop31h 30mMultiple Airlines
Deal found 10/12฿10,687
Fri 26/1201:40CNX - GMP
2 stops16h 15mMultiple Airlines
Sun 28/1215:20GMP - CNX
1 stop8h 40mMultiple Airlines
Deal found 9/12฿16,349
Mon 15/1223:05CNX - GMP
1 stop12h 00mAir China
Wed 17/1214:25GMP - CNX
1 stop9h 25mAir China
Deal found 9/12฿16,794
Tue 23/1215:35CNX - GMP
1 stop17h 25mMultiple Airlines
Sat 27/1214:25GMP - CNX
1 stop9h 25mMultiple Airlines
Deal found 9/12฿23,697
Fri 19/1223:05CNX - GMP
1 stop7h 40mMultiple Airlines
Sun 21/1207:50GMP - CNX
1 stop16h 10mMultiple Airlines
Deal found 11/12฿24,492
Sat 13/1223:05CNX - GMP
1 stop8h 45mMultiple Airlines
Thu 25/1207:50GMP - CNX
1 stop16h 10mMultiple Airlines
Deal found 10/12฿27,227
Wed 17/1215:35CNX - GMP
1 stop17h 25mChina Eastern
Tue 23/1212:00GMP - CNX
1 stop28h 20mChina Eastern
Deal found 9/12฿27,418
Sat 20/1223:05CNX - GMP
1 stop7h 40mMultiple Airlines
Sun 21/1211:30GMP - CNX
1 stop12h 30mMultiple Airlines
Deal found 11/12฿28,245

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 December 2025.

Round-trip from

฿7,443

One-way from

฿3,244

Popular in

October

Cheapest in

September

Average price

฿14,472

Good round-trip deal

฿37,409 or less

Good one-way deal

฿4,937 or less
8/3-12/3
  • 8/3-12/3
  • 2 total stops
  • 35h 15m total
  • Chiang Mai to South Korea
Search Deals
6/3
  • 6/3
  • 1 total stop
  • 22h 50m total
  • Chiang Mai to South Korea
Search Deals
Highest demand for flights based on searches. 1% potential increase in price (฿7,284 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (฿12,501 potential savings vs. average return price).
Search Deals
Average for round-trip flights in December 2025
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 December 2025.
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 MaiIncheon

CNX - ICN

CNXICN

Chiang Mai

Thu 5/3

17:45-10:05

1 stop14h 20m

Incheon Intl

Fri 13/3

17:55-08:40

1 stop16h 45m

฿6,934

Chiang MaiIncheon

CNX - ICN

CNXICN

Chiang Mai

Sat 17/1

16:25-10:55

2 stops16h 30m

Incheon Intl

Sat 24/1

17:55-14:40

1 stop22h 45m

฿8,461

Chiang MaiIncheon

CNX - ICN

CNXICN

Chiang Mai

Sun 8/2

09:10-06:20

1 stop19h 10m

Incheon Intl

Thu 12/2

07:25-08:40

1 stop27h 15m

฿8,652

Chiang MaiIncheon

CNX - ICN

CNXICN

Chiang Mai

Mon 5/1

23:05-16:35

1 stop15h 30m

Incheon Intl

Thu 29/1

07:35-08:40

1 stop27h 05m

฿8,715

Chiang MaiIncheon

CNX - ICN

CNXICN

Chiang Mai

Wed 11/3

22:10-10:05

1 stop9h 55m

Incheon Intl

Sun 15/3

18:05-16:45

2 stops24h 40m

฿9,256

Chiang MaiIncheon

CNX - ICN

CNXICN

Chiang Mai

Wed 27/5

19:05-10:05

1 stop13h 00m

Incheon Intl

Fri 5/6

16:35-13:25

2 stops22h 50m

฿9,415

Chiang MaiIncheon

CNX - ICN

CNXICN

Chiang Mai

Thu 22/1

18:50-15:15

1 stop18h 25m

Incheon Intl

Tue 3/2

07:35-08:40

1 stop27h 05m

฿9,733

Chiang MaiIncheon

CNX - ICN

CNXICN

Chiang Mai

Mon 19/1

10:05-10:55

2 stops22h 50m

Incheon Intl

Fri 30/1

11:10-21:50

1 stop12h 40m

฿9,829

Chiang MaiIncheon

CNX - ICN

CNXICN

Chiang Mai

Fri 9/1

16:25-14:55

2 stops20h 30m

Incheon Intl

Fri 16/1

14:40-21:50

1 stop9h 10m

฿9,829

Chiang MaiIncheon

CNX - ICN

CNXICN

Chiang Mai

Thu 15/1

16:25-14:55

2 stops20h 30m

Incheon Intl

Wed 28/1

12:20-09:05

2 stops22h 45m

฿9,860

Flights are sorted by cheapest return flights first.

Deals found on 10/12

Showing 1-10 of 54 results
1
2
3
...
6

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, February is the cheapest month in which you can book a flight from Chiang Mai to South Korea (average of ฿4,294). 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 11 December 2025.

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 December 2025.

The most flights from CNX to KR0 are scheduled on a Monday (7 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (6 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 126 minutes.

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

Historically, flights departing in the evening 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?

Sunday tends to have the lowest number of delays on this route, whereas Monday 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.

Reviews of airlines servicing South Korea

Get insights into the airlines that provide service to South Korea. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to South Korea. Reviews last updated 11 December 2025.
Read reviews from past customers who have flown with Jeju Air from Chiang Mai to South Korea. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Jeju Air
7.6
Good
36 reviews
Check prices

Entertainment

6.0

Food

6.0

Overall

7.6

Comfort

7.6

Crew

8.4

Boarding

8.0
Jeju Air
7.6
Good
36 reviews
Jeju Air
7.6
Good
36 reviews
Check prices

Entertainment

6.0

Food

6.0

Overall

7.6

Comfort

7.6

Crew

8.4

Boarding

8.0

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 popular is this Chiang Mai to South Korea flight route?

    Within the past month, 89 users have taken a look at flights from Chiang Mai to South Korea.

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

    For as low as ฿11,228, Air China can have you in South Korea from Chiang Mai in 12h. The distance between Chiang Mai and South Korea is about 3412 km.

  • 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 Eastar Jet(96%), Thai Airways(92%) or Asiana Airlines(92%), 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 ฿21,169, our data shows the cheapest flight currently is ฿4,937. When looking at the most popular route, (Chiang Mai - Incheon Intl), you can expect to pay ฿6,171 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, February is the cheapest month in which you can book a flight from Chiang Mai to South Korea (average of ฿4,294). 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

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 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
Phuket City to Ko Samui flights
Phuket City to Chiang Mai 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 December 2025.
AirlineCheapestAverageFlexibilityOn-time
Jeju AirCheapest฿9,608Average฿10,932FlexibilityNo cancel feeOn-timeN/A
Search Jeju Air 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.

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.