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Cheap flights from Chiang Mai to South Korea from ฿3,519

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 20/5. Fares are subject to change and may not be available on all flights or dates of travel.
CNX — ICN
6 Jun — 13 Jun1
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 7 May 2026.

Thu 14/523:55
CNX
-
ICN
Nonstop5h 15m
Eastar Jet
Thu 28/518:30
ICN
-
CNX
Nonstop6h 10m
Eastar Jet
Deal found 6/5฿8,589
Sat 23/521:45
CNX
-
ICN
Nonstop5h 20m
Jin Air
Fri 5/617:20
ICN
-
CNX
Nonstop5h 25m
Jin Air
Deal found 3/5฿9,267
Thu 14/523:00
CNX
-
ICN
Nonstop5h 30m
Jeju Air
Sat 16/518:10
ICN
-
CNX
Nonstop5h 50m
Jeju Air
Deal found 7/5฿9,331
Sat 9/523:00
CNX
-
ICN
Nonstop5h 30m
Jeju Air
Sat 16/518:10
ICN
-
CNX
Nonstop5h 50m
Jeju Air
Deal found 6/5฿9,460
Thu 28/523:00
CNX
-
ICN
Nonstop5h 30m
Jeju Air
Thu 4/618:10
ICN
-
CNX
Nonstop5h 50m
Jeju Air
Deal found 6/5฿9,654
Sat 23/521:45
CNX
-
ICN
Nonstop5h 20m
Jin Air
Thu 4/617:20
ICN
-
CNX
Nonstop5h 25m
Jin Air
Deal found 3/5฿9,912
Tue 2/621:45
CNX
-
ICN
Nonstop5h 20m
Jin Air
Sat 6/617:20
ICN
-
CNX
Nonstop5h 25m
Jin Air
Deal found 3/5฿9,945
Thu 21/500:50
CNX
-
ICN
Nonstop5h 25m
Air Busan
Sun 31/519:55
ICN
-
CNX
Nonstop5h 55m
Air Busan
Deal found 3/5฿10,041
Thu 21/523:55
CNX
-
ICN
Nonstop5h 15m
Multiple Airlines
Mon 25/516:15
ICN
-
CNX
1 stop23h 10m
Multiple Airlines
Deal found 7/5฿10,106
Thu 14/523:55
CNX
-
ICN
Nonstop5h 15m
Multiple Airlines
Thu 28/516:20
ICN
-
CNX
2 stops18h 55m
Multiple Airlines
Deal found 6/5฿10,203
Sat 23/521:45
CNX
-
ICN
Nonstop5h 20m
Multiple Airlines
Fri 5/612:05
ICN
-
CNX
1 stop29h 45m
Multiple Airlines
Deal found 3/5฿10,235
Mon 1/623:05
CNX
-
GMP
1 stop12h 00m
Air China
Thu 4/614:25
GMP
-
CNX
1 stop9h 25m
Air China
Deal found 7/5฿11,172

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 7 May 2026.

Round-trip from

฿9,267

One-way from

฿3,519

Popular in

October

Cheapest in

May

Average price

฿8,782

Good round-trip deal

฿7,803 or less

Good one-way deal

฿5,011 or less
Jin Air
  • Jin Air
  • 23/5-5/6
  • Nonstop
  • 10h 45m total
  • Chiang Mai to South Korea
Search Deals
Air Busan
  • Air Busan
  • 20/5
  • Nonstop
  • 5h 25m total
  • Chiang Mai to South Korea
Search Deals
Highest demand for flights based on searches. 5% potential increase in price (฿26,846 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (฿10,511 potential savings vs. average return price).
Search Deals
Average for round-trip flights in May 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 7 May 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

Fri 29/5

21:45-05:05

Nonstop5h 20m

Incheon Intl

Thu 4/6

17:20-20:45

Nonstop5h 25m

฿10,558

Chiang MaiIncheon

CNX - ICN

CNXICN

Chiang Mai

Thu 28/5

23:00-06:30

Nonstop5h 30m

Incheon Intl

Thu 4/6

18:10-22:00

Nonstop5h 50m

฿10,849

Chiang MaiIncheon

CNX - ICN

CNXICN

Chiang Mai

Fri 22/5

21:45-05:05

Nonstop5h 20m

Incheon Intl

Mon 1/6

17:20-20:45

Nonstop5h 25m

฿11,430
Fastest return journey

Chiang MaiBusan

CNX - PUS

CNXPUS

Chiang Mai

Sun 21/6

23:10-06:15

Nonstop5h 05m

Busan Gimhae

Sun 28/6

18:55-22:10

Nonstop5h 15m

฿12,560

Chiang MaiIncheon

CNX - ICN

CNXICN

Chiang Mai

Wed 3/6

10:05-11:15

2 stops23h 10m

Incheon Intl

Fri 5/6

14:30-13:25

1 stop24h 55m

฿12,624

Chiang MaiIncheon

CNX - ICN

CNXICN

Chiang Mai

Tue 30/6

16:10-10:55

2 stops16h 45m

Incheon Intl

Tue 7/7

07:45-15:20

1 stop9h 35m

฿12,980

Chiang MaiIncheon

CNX - ICN

CNXICN

Chiang Mai

Mon 18/5

10:05-11:15

2 stops23h 10m

Incheon Intl

Mon 1/6

07:45-15:20

1 stop9h 35m

฿13,238

Chiang MaiBusan

CNX - PUS

CNXPUS

Chiang Mai

Sun 21/6

23:10-06:15

Nonstop5h 05m

Busan Gimhae

Sun 28/6

08:10-23:25

2 stops17h 15m

฿13,303

Chiang MaiIncheon

CNX - ICN

CNXICN

Chiang Mai

Sun 17/5

00:50-08:15

Nonstop5h 25m

Incheon Intl

Mon 1/6

17:20-20:45

Nonstop5h 25m

฿13,367

Chiang MaiIncheon

CNX - ICN

CNXICN

Chiang Mai

Tue 9/6

16:10-22:45

1 stop28h 35m

Incheon Intl

Fri 12/6

07:45-09:15

3 stops27h 30m

฿13,625

Flights are sorted by cheapest return flights first.

Deals found on 3/5

Showing 1-10 of 54 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 ฿2,066). Flying from Chiang Mai to South Korea in November is currently the most expensive (average of ฿10,590). 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 7 May 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 12% of weekly flights between Chiang Mai and South Korea have experienced delays in the past year, with the average delay time being 112 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 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, 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 ฿12,560, Jin Air can have you in South Korea from Chiang Mai in 5h 05m. The distance between Chiang Mai and South Korea is about 3462 km. All flights are typically direct.

  • 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 T'way Air(100%), Air Busan(100%) or Jin Air(100%), 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 ฿7,507, our data shows the cheapest flight currently is ฿5,011. When looking at the most popular route, (Chiang Mai - Incheon Intl), you can expect to pay ฿11,398 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 ฿2,066). Flying from Chiang Mai to South Korea in November is currently the most expensive (average of ฿10,590). 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 Ko Samui flights
Chiang Mai to Phuket City 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 7 May 2026.
AirlineCheapestAverageFlexibilityOn-time
Eastar JetCheapest฿7,803Average฿9,827FlexibilityNo 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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