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

CNX — SEL
19 May — 26 May1
1 adult
1 adult, Economy, 0 bags

Cheapflights users flying from Chiang Mai to Seoul on Korean Air typically fly into Incheon Intl and depart from Chiang Mai. Select your dates above for pricing.

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 19 April 2026.

One-way from

฿15,877

Return from

฿24,484

Popular in

October

Cheapest in

May

Average price (all airlines)

฿14,538
Korean Air
  • Korean Air
  • 12/6
  • Nonstop
  • 5h 20m total
  • Chiang Mai to Seoul
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Korean Air
  • Korean Air
  • 13/10-25/10
  • Nonstop
  • 11h 30m total
  • Chiang Mai to Seoul
Search Deals
Highest demand for flights from Chiang Mai to Seoul; 5% potential price increase.
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Best time to find cheap flights from Chiang Mai to Seoul; 2% potential price drop.
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Average price for all Chiang Mai to Seoul flights (one-way and round-trip).
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Find Korean Air flight deals from Chiang Mai to Seoul

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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 19 April 2026.

Tue 13/1021:45
CNX
-
ICN
Nonstop5h 20m
Korean Air
Sun 25/1018:45
ICN
-
CNX
Nonstop6h 10m
Korean Air
Deal found 18/4฿24,484
Wed 14/1021:45
CNX
-
ICN
Nonstop5h 20m
Korean Air
Sun 25/1018:45
ICN
-
CNX
Nonstop6h 10m
Korean Air
Deal found 18/4฿24,484
Thu 15/1021:45
CNX
-
ICN
Nonstop5h 20m
Korean Air
Sun 25/1018:45
ICN
-
CNX
Nonstop6h 10m
Korean Air
Deal found 18/4฿24,484

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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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 19 April 2026.
Korean Air
8.4
Very Good
1,212 reviews
Check prices
Overview

Boarding

8.5

Food

8.1

Crew

8.7

Comfort

8.3

Entertainment

8.2

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