CNX - SEL

฿4,383 Find Cheap Flights from Chiang Mai to Seoul – Compare and Save

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Chiang Mai to Seoul departing on 30/7. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy, 0 bags

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Everything you should know

Cheapest return fare
฿7,720
Typical prices: ฿8,698-฿17,395
Eastar Jet, Air Busan
Sun 20/9Sat 26/9
CNX - ICN • Direct
Cheapest direct flights
฿7,686
Typical prices: ฿7,484-฿17,395
Eastar Jet, Air Busan
Wed 23/9Sun 27/9
CNX - ICN • Direct
Top airlines
Cheapest • from ฿8,125 (return)
Best reviews • 9.3 score
Airline reviews
Airline reviews
+1
+1
Airline reviews
Airline reviews
+1
Top stopover airports
Cheapest • Avg ฿2,965 (return)
Shortest trip • 7h 50m (one-way)
Insights
Insights
Insights
Insights
Top routes
Cheapest
Most popular
Insights
Insights
Insights
Insights
When to travel
Cheapest • 31% price drop
Most popular
Good to know
Good to know
+1
+1
Good to know
Good to know
+1
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Flight Deals
Booking Insights
Flight Deals

Cheap Flights from Chiang Mai to Seoul (CNX-SEL)

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for return flights from Chiang Mai to Seoul that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent return flight deals from Chiang Mai to Seoul

Sun 20 Sep - Sat 26 Sep
Multiple Airlines Logo
23:55 - 07:10
CNX
-
ICN
5h 15mdirect
Multiple Airlines Logo
19:55 - 23:50
ICN
-
CNX
5h 55mdirect
฿7,720Multiple Airlines
Thu 10 Sep - Sun 20 Sep
Multiple Airlines Logo
23:55 - 07:10
CNX
-
ICN
5h 15mdirect
Multiple Airlines Logo
19:55 - 23:50
ICN
-
CNX
5h 55mdirect
฿7,754Multiple Airlines
Sat 19 Sep - Sun 27 Sep
Multiple Airlines Logo
23:55 - 07:10
CNX
-
ICN
5h 15mdirect
Multiple Airlines Logo
19:55 - 23:50
ICN
-
CNX
5h 55mdirect
฿7,787Multiple Airlines
Thu 3 Sep - Wed 9 Sep
Multiple Airlines Logo
23:55 - 07:10
CNX
-
ICN
5h 15mdirect
Multiple Airlines Logo
19:55 - 23:50
ICN
-
CNX
5h 55mdirect
฿8,057Multiple Airlines
Thu 24 Sep - Sun 27 Sep
Eastar Jet Logo
23:55 - 07:10
CNX
-
ICN
5h 15mdirect
Eastar Jet Logo
18:30 - 22:40
ICN
-
CNX
6h 10mdirect
฿8,125Eastar Jet
Thu 3 Sep - Thu 10 Sep
Eastar Jet Logo
23:55 - 07:10
CNX
-
ICN
5h 15mdirect
Eastar Jet Logo
18:30 - 22:40
ICN
-
CNX
6h 10mdirect
฿8,158Eastar Jet
Mon 21 Sep - Sun 27 Sep
Multiple Airlines Logo
21:45 - 05:05
CNX
-
ICN
5h 20mdirect
Multiple Airlines Logo
19:55 - 23:50
ICN
-
CNX
5h 55mdirect
฿8,192Multiple Airlines
Sun 1 Nov - Sun 15 Nov
Air China Logo
23:05 - 13:05
CNX
-
GMP
12h 00m
1 stop
Air China Logo
14:25 - 21:50
GMP
-
CNX
9h 25m
1 stop
฿11,057Air China
Thu 3 Sep - Thu 10 Sep
Air China Logo
23:05 - 13:05
CNX
-
GMP
12h 00m
1 stop
Air China Logo
14:25 - 21:50
GMP
-
CNX
9h 25m
1 stop
฿14,058Air China
Mon 3 Aug - Thu 20 Aug
China Eastern Logo
00:30 - 19:50
CNX
-
GMP
17h 20m
1 stop
China Eastern Logo
20:50 - 13:25
GMP
-
CNX
18h 35m
1 stop
฿17,935China Eastern
Booking Insights

KAYAK's insights & trends for Chiang Mai to Seoul flights

Get data-powered insights and trends into flights from Chiang Mai to Seoul to help you find the cheapest flights, the best time to fly and much more.

What is the cheapest Chiang Mai to Seoul flight route?

Data is based on round-trip flight searches on KAYAK over the past month.

The cheapest return flight from Chiang Mai to Seoul costs ฿7,946 on the route between Chiang Mai (CNX) and Incheon Intl Airport (ICN). It is also the most popular route.

What’s the cheapest day of the week to fly from Chiang Mai to Seoul?

The average price of all round-trip flights from Chiang Mai to Seoul clicked on KAYAK for each day over the last 12 months.

For Chiang Mai to Seoul, Sunday is the cheapest day to fly on average and Friday is the most expensive. Flying from Seoul back to Chiang Mai, the best deals are generally found on Monday, with Thursday being the most expensive.

What is the cheapest month to fly from Chiang Mai to Seoul?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from Chiang Mai to Seoul, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.

The cheapest month for flights from Chiang Mai to Seoul is May, where tickets cost ฿9,035 (return) on average. On the other hand, the most expensive months are November and December, where the average cost of round-trip tickets is ฿16,418 and ฿15,339 respectively.

Can I save money by flying with a stopover from Chiang Mai to Seoul?

The average return price for all direct flights, flights with one stopover, and flights with two stopovers for the route found by users searching on KAYAK in the last 2 weeks.

Yes, flying with a stopover may cost you more time, but you can also save money on the route, with a 1 stop stopover the cheapest option at ฿13,385 on average.

Good to know

Low season

October

Cheapest flight

฿4,383
Best time to beat the crowds (45% less expensive on average)
Most popular time to fly (23% more expensive on average)
Flight from Chiang Mai to Seoul Incheon Airport

When to book flights from Chiang Mai to Seoul

Are your dates flexible? Find out the best times to travel from Chiang Mai to Seoul based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated return price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or returns with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

FAQs for booking flights from Chiang Mai to Seoul

  • What is the cheapest flight from Chiang Mai to Seoul?

    In the last 5 days, the lowest price for a flight from Chiang Mai to Seoul was ฿4,383 for a one-way ticket and ฿7,686 for a return.

  • Which airports will I be using when flying from Chiang Mai to Seoul?

    On your way to Seoul, you’ll fly out from Chiang Mai. You’ll be landing in one of Seoul’s 2 airports: Seoul Gimpo Intl or Incheon Intl.

  • Which aircraft models fly most regularly from Chiang Mai to Seoul?

    The Boeing 737 MAX 8 is the aircraft model that flies most regularly on the Chiang Mai to Seoul flight route.

  • On which days can I fly direct from Chiang Mai to Seoul?

    There are direct flights from Chiang Mai to Seoul on a daily basis.

  • How does KAYAK find such low prices on flights from Chiang Mai to Seoul?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Chiang Mai to Seoul.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Chiang Mai to Seoul?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Seoul from Chiang Mai is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Chiang Mai to Seoul?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional return ticket. You could then fly to Seoul with an airline and back to Chiang Mai with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Chiang Mai to Seoul?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Seoul from Chiang Mai up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

KAYAK’s top tips for finding a cheap flight from Chiang Mai to Seoul

  • Looking for a cheap flight? 25% of our users found flights on this route for ฿7,059 or less one-way.

Reviews of the top airline flying from Chiang Mai to Seoul

 
See real verified KAYAK customer reviews for airlines flying from Chiang Mai to Seoul. Airline scores are aggregated from all reviews left by passengers on KAYAK after flying with an airline. KAYAK doesn’t show reviews that are older than 5 years. Learn how KAYAK collects reviews.
Need help choosing which airline to fly with from Chiang Mai to Seoul? KAYAK airline reviews give an overall score for each airline based on loads of factors, including comfort, boarding, in-flight entertainment and more, to make your decision easier. See airline scores according to verified KAYAK customer reviews.
9.3
Eastar JetOverall score based on 3 reviews
4.6Entertainment
9.3Boarding
4.6Food
8.6Comfort
8.6Crew
Airline reviews

Great airline. Our bus to the terminal got delayed, but there was no problem to check in last minute. Super friendly terminal staff.

10.0 ExcellentFiruz, Sep 2025
GMP - CJU
Read more Eastar Jet reviews

Great airline. Our bus to the terminal got delayed, but there was no problem to check in last minute. Super friendly terminal staff.

Everything you need to know for your flight from Chiang Mai to Seoul

Information on your arrival and departure airports