Korean Air flights from Chiang Mai to Seoul (CNX - SEL)
CNX — SEL
30 Oct — 6 Nov1
Return
1 adult
Economy
Return
1 adult, Economy, 0 bags
Find Korean Air flight deals from Chiang Mai to Seoul
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Cheapest Korean Air flights from Chiang Mai to Seoul
Explore the most affordable Korean Air flight options available from Chiang Mai to Seoul. Find the lowest fares with prices last updated on 30 September 2026.
Mon 12/1021:45 -
Nonstop5h 20m
Wed 28/1018:45 -
Nonstop6h 00m
Deal found 28/9฿19,172
Sun 11/1021:45 -
Nonstop5h 20m
Fri 30/1018:45 -
Nonstop6h 00m
Deal found 28/9฿21,488
Sun 11/1021:45 -
Nonstop5h 20m
Wed 28/1018:45 -
Nonstop6h 00m
Deal found 28/9฿21,589
Best Korean Air flights from Chiang Mai to Seoul
Discover carefully curated Korean Air flight deals from Chiang Mai to Seoul that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 30 September 2026.
Mon 12/1021:45 -
Nonstop5h 20m
Wed 28/1018:45 -
Nonstop6h 00m
Deal found 28/9฿19,172
Mon 12/1021:45 -
Nonstop5h 20m
Fri 30/1018:45 -
Nonstop6h 00m
Deal found 28/9฿19,172
Sun 11/1021:45 -
Nonstop5h 20m
Sat 31/1018:45 -
Nonstop6h 00m
Deal found 28/9฿21,488
Direct Korean Air flights from Chiang Mai to Seoul
Explore direct Korean Air flight options from Chiang Mai to Seoul based on user searches, and compare prices and availability for your desired travel dates. Data last updated 30 September 2026.
Mon 12/1021:45 -
Nonstop5h 20m
Fri 30/1018:45 -
Nonstop6h 00m
Deal found 28/9฿19,172
Sun 11/1021:45 -
Nonstop5h 20m
Fri 30/1018:45 -
Nonstop6h 00m
Deal found 28/9฿21,488
Sun 11/1021:45 -
Nonstop5h 20m
Wed 28/1018:45 -
Nonstop6h 00m
Deal found 28/9฿21,589
Last-minute Korean Air flights from Chiang Mai to Seoul
Discover last-minute Korean Air flight deals from Chiang Mai to Seoul. Data last updated 30 September 2026 and is based on user searches.
Mon 12/1021:45 -
Nonstop5h 20m
Wed 28/1018:45 -
Nonstop6h 00m
Deal found 28/9฿19,172
Sun 11/1021:45 -
Nonstop5h 20m
Fri 30/1018:45 -
Nonstop6h 00m
Deal found 28/9฿21,488
Sun 11/1021:45 -
Nonstop5h 20m
Wed 28/1018:45 -
Nonstop6h 00m
Deal found 28/9฿21,589
One-way Korean Air flights to Seoul
Search for one-way Korean Air flight options to Seoul. Find affordable one-way fares based on user searches. Data last updated 30 September 2026.
Sat 31/1000:20 -
Nonstop4h 45m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 28/9฿6,883
Mon 26/1000:20 -
Nonstop4h 45m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 29/9฿6,950
Wed 28/1000:20 -
Nonstop4h 45m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 29/9฿6,984
Can I get a flight from Chiang Mai to Seoul on Korean Air for under ฿13,430?
7 Korean Air flights from CNX to SEL have recently been found on Cheapflights for under ฿13,430. Click here to find the best deals to Seoul for your desired dates.
Korean Air flights from Chiang Mai to Seoul in 2026
Find detailed information about Korean Air flights from Chiang Mai to Seoul. Explore the options provided by Korean Air to plan your journey from Chiang Mai to Seoul. Data last updated 30 September 2026.
Weekly Korean Air flight availability from Chiang Mai to Seoul
The most Korean Air flights from CNX to SEL are scheduled on a Monday (1 on average). You will have fewer Korean Air flight options on Monday, which is when the least amount of flights are scheduled (1 on average).
Rainfall in Seoul by month
Plan your trip to Seoul by taking into account the average rainfall totals by month.
In terms of precipitation, rainfall in Seoul ranges from 27.0 - 253.0 inches per month. July is typically the wettest month, when rainfall can reach 253.0 mm. December is typically the driest time to visit Seoul when rainfall is around 27.0 mm.
Temperature in Seoul by month
Plan your trip to Seoul by taking into account the average temperature totals by month.
If weather is an important factor for your trip to Seoul, use this chart to help with planning. For those seeking warmer temperatures, August is the ideal time of year to visit, when temperatures reach an average of 25.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 2.0 C).
Best time to book a flight from Chiang Mai to Seoul
Have a flexible travel schedule? Discover the best time to fly to Seoul from Chiang Mai with our price prediction graph.
CNX-SEL
CNX-ICN
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.
Browse thousands of different options on Cheapflights for your next trip
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Fly from Chiang Mai to Seoul on another airline
Consider alternative airlines that service the Seoul area. Flight routes are based on user searches made on Cheapflights and were last updated on 30 September 2026.
If Seoul is not for you, choose from these other destinations located in Asia. Flight routes are based on user searches made on Cheapflights and were last updated on 30 September 2026.
Browse through some of the most popular routes that Korean Air offers at this time. Flights are based on user searches made on Cheapflights and were last updated on 30 September 2026.
Read reviews and see what other travellers are saying about their experiences with Korean Air. Get insights from real passengers regarding the airline's services, customer satisfaction, and overall travel experience. Use these reviews to inform your decision when choosing Korean Air for your next flight. Reviews last updated 30 September 2026.
It was all good! The crew was amazing and attentive seats were comfortable and we got to our destination right on time! A great experience overall!
10.0
Wonderful|Jun 2026
Better
8.0
Very Good|Mar 2026
Could use some entertainment
10.0
Wonderful|Mar 2026
It was a smooth trip
10.0
Wonderful|Mar 2026
It was a smooth trip
1 out of 406
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