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Korean Air flights from Chiang Mai to Seoul (CNX - SEL)

CNX — SEL
31 Aug — 7 Sep1
1 adult
1 adult, Economy, 0 bags

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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 1 August 2026.

Mon 4/100:15
CNX
-
ICN
Nonstop4h 50m
Korean Air
Tue 19/118:45
ICN
-
CNX
Nonstop6h 10m
Korean Air
Deal found 28/7฿15,164
Thu 7/100:15
CNX
-
ICN
Nonstop4h 50m
Korean Air
Sat 23/118:45
ICN
-
CNX
Nonstop6h 10m
Korean Air
Deal found 28/7฿15,164
Tue 5/100:15
CNX
-
ICN
Nonstop4h 50m
Korean Air
Tue 19/118:45
ICN
-
CNX
Nonstop6h 10m
Korean Air
Deal found 28/7฿15,164

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 1 August 2026.

One-way from

฿9,052

Return from

฿15,164

Popular in

November

Cheapest in

October
Korean Air
  • Korean Air
  • 31/10
  • Nonstop
  • 4h 50m total
  • Chiang Mai to Seoul
Search Deals
Korean Air
  • Korean Air
  • 19/1-14/2
  • Nonstop
  • 11h 00m total
  • Chiang Mai to Seoul
Search Deals
Highest demand for flights from Chiang Mai to Seoul; 1% potential price increase.
Search Deals
Best time to find cheap flights from Chiang Mai to Seoul; 2% potential price drop.
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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.
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.

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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 1 August 2026.
Jeju Air flights from Chiang Mai to Seoul

See what others are saying about Korean Air

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 1 August 2026.
Korean Air
8.4
Very Good
1,223 reviews
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Overview

Entertainment

8.2

Crew

8.7

Food

8.1

Comfort

8.3

Boarding

8.5

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