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

CNX — SEL
30 Nov — 7 Dec1
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 31 October 2025.

One-way from

฿12,307

Return from

฿16,128

Popular in

August

Cheapest in

September

Average price (all airlines)

฿14,574
Korean Air
  • Korean Air
  • 10/3
  • Nonstop
  • 4h 50m total
  • Chiang Mai to Seoul
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Korean Air
  • Korean Air
  • 24/3-28/3
  • Nonstop
  • 11h 00m total
  • Chiang Mai to Seoul
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Highest demand for flights from Chiang Mai to Seoul; 4% 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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  • Can I get a flight from Chiang Mai to Seoul on Korean Air for under ฿16,193?

    10 Korean Air flights from CNX to SEL have recently been found on Cheapflights for under ฿16,193. Click here to find the best deals to Seoul for your desired dates.

  • How do most travelers feel about Korean Air?

    When planning your CNX-SEL trip, keep in mind that Korean Air is typically rated 8.4/10. This rating comes from 1,155 reviews by Cheapflights users who have traveled with Korean Air.

Find Korean Air flight deals from Chiang Mai to Seoul

Enter your travel dates to find the best prices.

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 31 October 2025.

Fri 28/1100:15CNX - ICN
Nonstop4h 50mKorean Air
Mon 29/1216:15ICN - CNX
Nonstop6h 15mKorean Air
Deal found 31/10฿23,221
Sun 30/1121:40CNX - ICN
Nonstop5h 05mKorean Air
Thu 1/118:45ICN - CNX
Nonstop6h 10mKorean Air
Deal found 31/10฿23,966
Fri 28/1100:15CNX - ICN
Nonstop4h 50mKorean Air
Tue 30/1216:50ICN - CNX
Nonstop6h 15mKorean Air
Deal found 31/10฿24,030

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.

Weekly Korean Air flight availability from Chiang Mai to Seoul

The most Korean Air flights from CNX to SEL are scheduled on a Monday (2 on average). You will have fewer Korean Air flight options on Tuesday, 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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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 31 October 2025.
Korean Air
8.4
Very Good
1,155 reviews
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Overview

Crew

8.7

Entertainment

8.2

Food

8.1

Comfort

8.3

Boarding

8.5

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