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

CNX — SEL
20 Jan — 27 Jan1
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 2025

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 21 December 2025.

One-way from

฿12,244

Popular in

October

Cheapest in

September

Average price (all airlines)

฿14,285
Korean Air
  • Korean Air
  • 17/3
  • Nonstop
  • 4h 50m total
  • Chiang Mai to Seoul
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Highest demand for flights from Chiang Mai to Seoul; 1% potential price increase.
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Best time to find cheap flights from Chiang Mai to Seoul; 3% 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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  • Can I get a flight from Chiang Mai to Seoul on Korean Air for under ฿15,698?

    3 Korean Air flights from CNX to SEL have recently been found on Cheapflights for under ฿15,698. Click here to find the best deals to Seoul for your desired dates.

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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 21 December 2025.

Tue 17/300:15CNX - ICN
Nonstop4h 50mKorean Air
Deal found 21/12฿12,244
Fri 13/300:15CNX - ICN
Nonstop4h 50mKorean Air
Deal found 20/12฿13,060
Mon 16/200:15CNX - ICN
Nonstop4h 50mKorean Air
Deal found 20/12฿13,092

Travel insights for Korean Air flights from Chiang Mai to Seoul

Get recent, data-driven insights about Korean Air flights from Chiang Mai to Seoul including ideal travel times, pricing trends, and more.

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 21 December 2025.
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Comfort

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8.2

Boarding

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Crew

8.7

Food

8.1

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