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

CNX — SEL
3 May — 10 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 3 April 2026.

One-way from

฿15,581

Return from

฿22,048

Popular in

October

Cheapest in

May

Average price (all airlines)

฿12,641
Korean Air
  • Korean Air
  • 12/6
  • Nonstop
  • 5h 20m total
  • Chiang Mai to Seoul
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Korean Air
  • Korean Air
  • 15/6-28/6
  • Nonstop
  • 10h 45m total
  • Chiang Mai to Seoul
Search Deals
Highest demand for flights from Chiang Mai to Seoul; 7% 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

Enter your travel dates to find the best prices.

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 3 April 2026.

Thu 18/621:45
CNX
-
ICN
Nonstop5h 20m
Korean Air
Fri 3/717:20
ICN
-
CNX
Nonstop5h 25m
Korean Air
Deal found 30/3฿23,648
Sun 28/621:45
CNX
-
ICN
Nonstop5h 20m
Korean Air
Fri 10/717:20
ICN
-
CNX
Nonstop5h 25m
Korean Air
Deal found 29/3฿24,824
Fri 12/621:45
CNX
-
ICN
Nonstop5h 20m
Korean Air
Fri 3/717:20
ICN
-
CNX
Nonstop5h 25m
Korean Air
Deal found 30/3฿26,033

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 3 April 2026.
Korean Air
8.4
Very Good
1,203 reviews
Check prices
Overview

Crew

8.7

Entertainment

8.2

Comfort

8.3

Boarding

8.5

Food

8.1

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