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$147+ Cheap flights from Chiang Mai (CNX) to Seoul (SEL)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 3/3. Fares are subject to change and may not be available on all flights or dates of travel.
CNX — SEL
Jan 26 — Feb 21
Sun 1/26
Sun 2/2
1 adult, Economy
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Cheap flight deals from Chiang Mai to Seoul

Discover tips and strategies to find the most affordable flight options for your journey from Chiang Mai (CNX) to Seoul (SEL). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated January 21, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$207
(Mytrip)

One-way from

$147
(China Southern)

Popular in

February

Cheapest in

August

Average price

$482

Good round-trip deal

$882 or less

Good one-way deal

$390 or less
Provider with most accurate pricing for Chiang Mai-Seoul (SEL) flight deals.
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Provider most trusted by Cheapflights users for Chiang Mai-Seoul (SEL) flights.
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From Chiang Mai to Seoul (SEL)
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One-way flight from Chiang Mai to Seoul (SEL)
Search Deals
Highest demand for flights based on searches. 18% potential increase in price ($88 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($10 potential savings vs. average RT price).
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Average for round-trip flights in January 2025
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Price to beat on a round-trip flight from Chiang Mai to Seoul (SEL).
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Price to beat on a one-way flight from Chiang Mai to Seoul (SEL).
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Find flight deals from Chiang Mai to Seoul

Cheapest flights from Chiang Mai to Seoul
Explore the most affordable flight options available from Chiang Mai to Seoul. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 21, 2025.

This Mytrip deal was found by Cheapflights users on 1/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/76:50 pmCNX - ICN
1 stop17h 00mMultiple Airlines
Fri 3/147:35 amICN - CNX
1 stop27h 05mMultiple Airlines
Deal found 1/21$207
This Mytrip deal was found by Cheapflights users on 1/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/186:50 pmCNX - ICN
1 stop18h 25mChina Southern
Wed 3/262:50 pmICN - CNX
1 stop29h 00mChina Southern
Deal found 1/20$238
This Kiwi.com deal was found by Cheapflights users on 1/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/189:50 pmCNX - ICN
Nonstop5h 55mEastar Jet
Wed 3/265:25 pmICN - CNX
Nonstop5h 25mEastar Jet
Deal found 1/20$254
This Mytrip deal was found by Cheapflights users on 1/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/183:35 pmCNX - ICN
2 stops17h 25mChina Eastern
Wed 3/264:40 pmICN - CNX
2 stops18h 25mChina Eastern
Deal found 1/20$281
This Trip.com deal was found by Cheapflights users on 1/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/612:45 amCNX - ICN
Nonstop4h 45mJeju Air
Fri 3/147:10 pmICN - CNX
Nonstop6h 35mJeju Air
Deal found 1/21$284
This Booking.com deal was found by Cheapflights users on 1/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/1910:05 amCNX - GMP
3 stops22h 55mChina Eastern
Wed 3/268:50 pmGMP - CNX
2 stops20h 35mChina Eastern
Deal found 1/20$384
This oojo deal was found by Cheapflights users on 1/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/1011:05 pmCNX - GMP
1 stop12h 00mAir China
Fri 2/282:25 pmGMP - CNX
1 stop9h 25mAir China
Deal found 1/21$391
This Cathay Pacific deal was found by Cheapflights users on 1/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cathay Pacific is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/77:25 pmCNX - ICN
1 stop21h 50mCathay Pacific
Sun 5/1110:10 amICN - CNX
1 stop10h 30mCathay Pacific
Deal found 1/20$409
This Priceline deal was found by Cheapflights users on 1/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/711:05 pmCNX - GMP
1 stop12h 00mMultiple Airlines
Fri 3/148:50 pmGMP - CNX
2 stops20h 35mMultiple Airlines
Deal found 1/21$413
This Malaysia Airlines deal was found by Cheapflights users on 1/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Malaysia Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/32:40 pmCNX - ICN
1 stop14h 30mMalaysia Airlines
Sat 5/1012:10 amICN - CNX
1 stop13h 30mMalaysia Airlines
Deal found 1/20$452
This China Airlines deal was found by Cheapflights users on 1/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure China Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/611:20 amCNX - ICN
1 stop30h 15mChina Airlines
Tue 5/138:35 pmICN - CNX
1 stop15h 45mChina Airlines
Deal found 1/20$469
This Korean Air deal was found by Cheapflights users on 1/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/811:15 pmCNX - ICN
Nonstop5h 25mKorean Air
Tue 5/136:20 pmICN - CNX
Nonstop5h 35mKorean Air
Deal found 1/20$520

Find flights from Chiang Mai to Seoul within your budget

Customize your flight search to find flights from Chiang Mai to Seoul that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated January 21, 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

Chiang MaiIncheon

CNX - ICN

CNXICN

Chiang Mai

Fri 3/7

6:50 pm-1:50 pm

1 stop17h 00m

Incheon Intl

Fri 3/14

7:35 am-8:40 am

1 stop27h 05m

$207

Chiang MaiIncheon

CNX - ICN

CNXICN

Chiang Mai

Tue 3/18

6:50 pm-3:15 pm

1 stop18h 25m

Incheon Intl

Wed 3/26

2:50 pm-5:50 pm

1 stop29h 00m

$238

Chiang MaiIncheon

CNX - ICN

CNXICN

Chiang Mai

Tue 3/18

9:50 pm-5:45 am

Nonstop5h 55m

Incheon Intl

Wed 3/26

5:25 pm-8:50 pm

Nonstop5h 25m

$254

Chiang MaiIncheon

CNX - ICN

CNXICN

Chiang Mai

Tue 3/18

3:35 pm-11:00 am

2 stops17h 25m

Incheon Intl

Wed 3/26

4:40 pm-9:05 am

2 stops18h 25m

$281

Chiang MaiIncheon

CNX - ICN

CNXICN

Chiang Mai

Thu 3/6

12:45 am-7:30 am

Nonstop4h 45m

Incheon Intl

Fri 3/14

7:10 pm-11:45 pm

Nonstop6h 35m

$284

Chiang MaiSeoul

CNX - GMP

CNXGMP

Chiang Mai

Wed 3/19

10:05 am-11:00 am

3 stops22h 55m

Seoul Gimpo Intl

Wed 3/26

8:50 pm-3:25 pm

2 stops20h 35m

$384

Chiang MaiSeoul

CNX - GMP

CNXGMP

Chiang Mai

Mon 2/10

11:05 pm-1:05 pm

1 stop12h 00m

Seoul Gimpo Intl

Fri 2/28

2:25 pm-9:50 pm

1 stop9h 25m

$391

Chiang MaiSeoul

CNX - GMP

CNXGMP

Chiang Mai

Fri 3/7

11:05 pm-1:05 pm

1 stop12h 00m

Seoul Gimpo Intl

Fri 3/14

8:50 pm-3:25 pm

2 stops20h 35m

$413

Chiang MaiIncheon

CNX - ICN

CNXICN

Chiang Mai

Sun 5/25

12:45 am-7:50 am

Nonstop5h 05m

Incheon Intl

Wed 7/30

7:50 pm-11:40 pm

Nonstop5h 50m

$524

Chiang MaiIncheon

CNX - ICN

CNXICN

Chiang Mai

Sun 5/25

2:35 pm-11:00 am

2 stops18h 25m

Incheon Intl

Wed 7/30

12:00 pm-11:15 am

2 stops25h 15m

$578

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/21

Showing 1-10 of 31 results
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Compare providers for flights from Chiang Mai to Seoul

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Chiang Mai to Seoul in January.
ProviderPrice AccuracyTrust Score*
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Chiang Mai-Seoul flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Chiang Mai-Seoul flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Chiang Mai-Seoul flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Chiang Mai-Seoul flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Chiang Mai-Seoul flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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 round-trip 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.

Travel insights for flights from Chiang Mai to Seoul

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

What is the cheapest month to book a flight from Chiang Mai to Seoul?

Currently, October is the cheapest month in which you can book a flight from Chiang Mai to Seoul (average of $1,086). Flying from Chiang Mai to Seoul in June is currently the most expensive (average of $1,722). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from CNX to SEL?

Find hourly flight availability from Chiang Mai to Seoul. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated January 21, 2025.

One of the essential ways to save on airfare from Chiang Mai to Seoul is to remain as flexible as possible. Flights that are in the morning tend to be the most expensive. A flight at noon could potentially save you up to 18% on airfare.

Weekly flight availability from Chiang Mai to Seoul

Explore weekly flight availability from Chiang Mai to Seoul. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated January 21, 2025.

The most flights from CNX to SEL are scheduled on a Monday (10 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (9 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 1.1 - 10.0 inches per month. July is typically the wettest month, when rainfall can reach 10.0 in. December is typically the driest time to visit Seoul when rainfall is around 1.1 in.

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 77.0 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 35.6 F).

Reviews of airlines servicing Seoul

Get insights into the airlines that provide service to Seoul. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Seoul. Reviews last updated January 21, 2025.
Korean Air
8.5
Very good
1,039 reviews

Entertainment

8.2

Food

8.1

Boarding

8.5

Crew

8.7

Overall

8.5

Comfort

8.3

Reviews

1 / 10

It was a great experience in all aspects including passengers are respectful to each other. I will consider to use Korean Air again.

Korean Air
8.5
Very good
1,039 reviews
Korean Air
8.5
Very good
1,039 reviews

Entertainment

8.2

Food

8.1

Boarding

8.5

Crew

8.7

Overall

8.5

Comfort

8.3

Reviews

1 / 10

It was a great experience in all aspects including passengers are respectful to each other. I will consider to use Korean Air again.

EVA Air
8.4
Very good
1,253 reviews
Korean Air
8.5
Very good
1,039 reviews

Entertainment

8.2

Food

8.1

Boarding

8.5

Crew

8.7

Overall

8.5

Comfort

8.3

Reviews

1 / 10

It was a great experience in all aspects including passengers are respectful to each other. I will consider to use Korean Air again.

Japan Airlines
8.3
Very good
1,449 reviews
Korean Air
8.5
Very good
1,039 reviews

Entertainment

8.2

Food

8.1

Boarding

8.5

Crew

8.7

Overall

8.5

Comfort

8.3

Reviews

1 / 10

It was a great experience in all aspects including passengers are respectful to each other. I will consider to use Korean Air again.

China Airlines
8.2
Very good
737 reviews
Korean Air
8.5
Very good
1,039 reviews

Entertainment

8.2

Food

8.1

Boarding

8.5

Crew

8.7

Overall

8.5

Comfort

8.3

Reviews

1 / 10

It was a great experience in all aspects including passengers are respectful to each other. I will consider to use Korean Air again.

Related info for your journey

Find useful and relevant information for your journey from Chiang Mai to Seoul. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Chiang Mai to Seoul?

    For a flight from Chiang Mai to Seoul, you will be flying from Chiang Mai. Chiang Mai (CNX) is just 1.9 mi from the center of the city. Chiang Mai is the only Chiang Mai airport and it handles 9 outbound flights to Seoul per day. 0 airlines have flights to Seoul from Chiang Mai on a regular basis.

  • How popular is this Chiang Mai to Seoul flight route?

    The Chiang Mai to Seoul flight path was viewed by 8 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

  • What are the cheapest airlines flying from Chiang Mai to Seoul round-trip?

    According to our current data, China Southern ($238), Eastar Jet ($254), and China Eastern ($281) offers the cheapest pricing from Chiang Mai to Seoul. China Southern is 40% cheaper than the average price of flights available within the next 90 days to this destination.

  • What are the cheapest airlines to fly from Chiang Mai to Seoul one-way?

    The cheapest airline one-way is China Southern, with whom users have recently found tickets for as low as $147. However, be on the lookout for offers from HK Express and China Eastern, as they are both options that can get you from Chiang Mai to Seoul for a low price.

  • What are the most reliable airlines from Chiang Mai to Seoul?

    Consider Jin Air (95%), Jeju Air (93%) or Eastar Jet (75%) when booking your flight. These represent the most reliable airlines when flying from Chiang Mai to Seoul.

  • What are the cheapest flights from Chiang Mai to Seoul?

    Looking at all options, your cheapest flight can be booked for $311. While the most popular route (Chiang Mai - Incheon Intl) can be booked for $236 on average our data indicates $1,438 when flying from Chiang Mai to Seoul.

  • Can I find deals for flights from Chiang Mai to Seoul that include hotel bookings?

    Yes. In addition to deals on Chiang Mai to Seoul flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Chiang Mai to Seoul?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Chiang Mai to Seoul.

  • Can I find deals for business class flights from Chiang Mai to Seoul?

    Yes. Cheapflights offers flight deals from Chiang Mai to Seoul by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Chiang Mai to Seoul?

    Currently, October is the cheapest month in which you can book a flight from Chiang Mai to Seoul (average of $1,086). Flying from Chiang Mai to Seoul in June is currently the most expensive (average of $1,722). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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