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Chiang Mai

$64+ Cheap flights from Seoul (SEL) to Chiang Mai (CNX)

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 6/12. Fares are subject to change and may not be available on all flights or dates of travel.
SEL — CNX
Apr 30 — May 71
Wed 4/30
Wed 5/7
1 adult, Economy
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Cheapflights Tip: The best prices from Seoul to Chiang Mai are usually found in March or August, booked 60 days in advance, depart on a Thursday or Monday and return on a Friday

Cheap flight deals from Seoul to Chiang Mai

Discover tips and strategies to find the most affordable flight options for your journey from Seoul (SEL) to Chiang Mai (CNX). 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 April 25, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$169
(Booking.com)

One-way from

$64
(Jeju Air)

Popular in

January

Cheapest in

March

Average price

$318

Good round-trip deal

$192 or less

Good one-way deal

$101 or less
Provider with most accurate pricing for Seoul (SEL)-Chiang Mai flight deals.
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Provider most trusted by Cheapflights users for Seoul (SEL)-Chiang Mai flights.
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From Seoul (SEL) to Chiang Mai
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One-way flight from Seoul (SEL) to Chiang Mai
Search Deals
Highest demand for flights based on searches. 23% potential increase in price ($96 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($16 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 2025
Search Deals
Price to beat on a round-trip flight from Seoul (SEL) to Chiang Mai.
Search Deals
Price to beat on a one-way flight from Seoul (SEL) to Chiang Mai.
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Find flight deals from Seoul to Chiang Mai

Cheapest flights from Seoul to Chiang Mai
Explore the most affordable flight options available from Seoul to Chiang Mai. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 25, 2025.

This Booking.com deal was found by Cheapflights users on 4/25. 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.
Fri 5/98:20 pmICN - CNX
1 stop22h 30mMultiple Airlines
Fri 5/165:20 pmCNX - ICN
1 stop11h 40mMultiple Airlines
Deal found 4/25$169
This OneTravel deal was found by Cheapflights users on 4/24. 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 OneTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/86:30 pmICN - CNX
Nonstop6h 10mEastar Jet
Wed 6/1111:55 pmCNX - ICN
Nonstop5h 15mEastar Jet
Deal found 4/24$170
This Jeju Air deal was found by Cheapflights users on 4/25. 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 Jeju Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/126:00 pmICN - CNX
Nonstop5h 35mJeju Air
Thu 6/1910:35 pmCNX - ICN
Nonstop5h 15mJeju Air
Deal found 4/25$172
This Jin Air deal was found by Cheapflights users on 4/25. 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 Jin Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/155:10 pmICN - CNX
Nonstop5h 35mJin Air
Fri 9/199:45 pmCNX - ICN
Nonstop5h 20mJin Air
Deal found 4/25$187
This Singapore Airlines deal was found by Cheapflights users on 4/25. 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 Singapore Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/234:45 pmICN - CNX
1 stop25h 55mSingapore Airlines
Wed 8/611:15 amCNX - ICN
1 stop26h 20mSingapore Airlines
Deal found 4/25$272
This Malaysia Airlines deal was found by Cheapflights users on 4/25. 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 5/1712:10 amICN - CNX
1 stop13h 30mMalaysia Airlines
Sat 5/242:40 pmCNX - ICN
1 stop28h 45mMalaysia Airlines
Deal found 4/25$284
This Gotogate deal was found by Cheapflights users on 4/24. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/84:35 pmICN - CNX
2 stops18h 30mChina Eastern
Wed 6/114:20 pmCNX - ICN
3 stops18h 55mChina Eastern
Deal found 4/24$300
This China Southern deal was found by Cheapflights users on 4/25. 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 Southern is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/83:15 pmICN - CNX
1 stop21h 10mChina Southern
Tue 7/1511:30 amCNX - ICN
1 stop25h 55mChina Southern
Deal found 4/25$327
This Cathay Pacific deal was found by Cheapflights users on 4/25. 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 5/2810:10 amICN - CNX
1 stop10h 30mCathay Pacific
Thu 5/2910:30 amCNX - ICN
1 stop8h 40mCathay Pacific
Deal found 4/25$356
This oojo deal was found by Cheapflights users on 4/25. 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.
Tue 7/86:00 pmICN - CNX
Nonstop5h 35mHahn Air Systems
Tue 7/1510:35 pmCNX - ICN
Nonstop5h 15mHahn Air Systems
Deal found 4/25$373
This Kiwi.com deal was found by Cheapflights users on 4/25. 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.
Fri 5/96:25 pmICN - CNX
Nonstop5h 30mKorean Air
Fri 5/1611:15 pmCNX - ICN
Nonstop5h 25mKorean Air
Deal found 4/25$379
This SmartFares deal was found by Cheapflights users on 4/25. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/87:50 pmICN - CNX
Nonstop5h 50mAsiana Airlines
Mon 7/1412:45 amCNX - ICN
Nonstop5h 05mAsiana Airlines
Deal found 4/25$393

Cheapflights Fare Finder

Customize your flight search to find flights from Seoul to Chiang Mai 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 April 25, 2025.
Use the filters below to find and compare flights from Seoul to Chiang Mai that are best for you.

Fly from

Seoul

Fly to

Chiang Mai

Route

Depart

Return

Price

IncheonChiang Mai

ICN - CNX

ICNCNX

Incheon Intl

Fri 5/9

8:20 pm-4:50 pm

1 stop22h 30m

Chiang Mai

Fri 5/16

5:20 pm-7:00 am

1 stop11h 40m

$169

IncheonChiang Mai

ICN - CNX

ICNCNX

Incheon Intl

Sun 6/8

6:30 pm-10:40 pm

Nonstop6h 10m

Chiang Mai

Wed 6/11

11:55 pm-7:10 am

Nonstop5h 15m

$170

IncheonChiang Mai

ICN - CNX

ICNCNX

Incheon Intl

Thu 6/12

6:00 pm-9:35 pm

Nonstop5h 35m

Chiang Mai

Thu 6/19

10:35 pm-5:50 am

Nonstop5h 15m

$172

IncheonChiang Mai

ICN - CNX

ICNCNX

Incheon Intl

Mon 9/15

5:10 pm-8:45 pm

Nonstop5h 35m

Chiang Mai

Fri 9/19

9:45 pm-5:05 am

Nonstop5h 20m

$187

IncheonChiang Mai

ICN - CNX

ICNCNX

Incheon Intl

Wed 7/23

4:45 pm-4:40 pm

1 stop25h 55m

Chiang Mai

Wed 8/6

11:15 am-3:35 pm

1 stop26h 20m

$272

IncheonChiang Mai

ICN - CNX

ICNCNX

Incheon Intl

Sat 5/17

12:10 am-11:40 am

1 stop13h 30m

Chiang Mai

Sat 5/24

2:40 pm-9:25 pm

1 stop28h 45m

$284

IncheonChiang Mai

ICN - CNX

ICNCNX

Incheon Intl

Sun 6/8

4:35 pm-9:05 am

2 stops18h 30m

Chiang Mai

Wed 6/11

4:20 pm-1:15 pm

3 stops18h 55m

$300

IncheonChiang Mai

ICN - CNX

ICNCNX

Incheon Intl

Tue 7/8

3:15 pm-10:25 am

1 stop21h 10m

Chiang Mai

Tue 7/15

11:30 am-3:25 pm

1 stop25h 55m

$327

IncheonChiang Mai

ICN - CNX

ICNCNX

Incheon Intl

Wed 5/28

10:10 am-6:40 pm

1 stop10h 30m

Chiang Mai

Thu 5/29

10:30 am-9:10 pm

1 stop8h 40m

$356

IncheonChiang Mai

ICN - CNX

ICNCNX

Incheon Intl

Wed 6/18

7:50 pm-11:40 pm

Nonstop5h 50m

Chiang Mai

Tue 6/24

12:45 am-7:50 am

Nonstop5h 05m

$359

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/25

Showing 1-10 of 28 results
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Compare providers for flights from Seoul to Chiang Mai

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 Seoul to Chiang Mai in April.
ProviderPrice AccuracyTrust Score*
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*2 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 Seoul-Chiang Mai flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Seoul-Chiang Mai flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Seoul-Chiang Mai flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Seoul-Chiang Mai flights, Cheapflights users trust eDreams the most. eDreams 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 Seoul-Chiang Mai 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 Seoul to Chiang Mai

Have a flexible travel schedule? Discover the best time to fly to Chiang Mai from Seoul 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.

Cheapflights Insights

Everything you need to know about your flight from Seoul to Chiang Mai

How far ahead should I book a flight from Seoul to Chiang Mai?

Use this chart to determine the optimal time to book a round-trip flight from Seoul to Chiang Mai. Price data was last updated on April 18, 2025.

Booking 60 days in advance of your planned departure date is, on average, the best time to get cheap flights from Seoul to Chiang Mai. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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

Currently, April is the cheapest month in which you can book a flight from Seoul to Chiang Mai (average of $1,016). Flying from Seoul to Chiang Mai in December is currently the most expensive (average of $1,678). 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 SEL to CNX?

Find hourly flight availability from Seoul to Chiang Mai. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated April 25, 2025.

A simple way to save on the total cost of your ticket is to fly from Seoul to Chiang Mai in the afternoon. If you’re flexible enough to do this you can expect to save up to 45% on your trip compared to booking a flight in the morning.

What is the cheapest day to fly from Seoul to Chiang Mai?

Use this chart to determine the cheapest time to fly round-trip from Seoul to Chiang Mai. Price data was last updated on March 30, 2025.

Travelers seeking maximum savings on their Seoul to Chiang Mai flight should consider departing on Friday at noon when fares are most often at their lowest. Friday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from Seoul to Chiang Mai

Explore weekly flight availability from Seoul to Chiang Mai. 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 April 25, 2025.

The most flights from SEL to CNX are scheduled on a Wednesday (6 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (4 on average).

Rainfall in Chiang Mai by month

Plan your trip to Chiang Mai by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Chiang Mai ranges from 0.0 - 9.8 inches per month. September is typically the wettest month, when rainfall can reach 9.8 in. January is typically the driest time to visit Chiang Mai when rainfall is around 0.0 in.

Temperature in Chiang Mai by month

Plan your trip to Chiang Mai by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Chiang Mai, use this chart to help with planning. For those seeking warmer temperatures, April is the ideal time of year to visit, when temperatures reach an average of 84.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 69.8 F).

Reviews of airlines servicing Chiang Mai

Get insights into the airlines that provide service to Chiang Mai. 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 Chiang Mai. Reviews last updated April 25, 2025.
Read reviews from past customers who have flown EVA Air, Korean Air and Asiana Airlines from Seoul to Chiang Mai. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
EVA Air
8.4
Very good
1,180 reviews

Food

8.1

Crew

8.6

Entertainment

8.0

Comfort

8.3

Overall

8.4

Boarding

8.4

Reviews

1 / 20
6.0
Good

Anonymous,Feb 2025

SFO - TPE

Inside plane was clean and chair was comfortable, but flight attendants serving coffee without giving me cream and sugar, even I ask he escape my request.
EVA Air
8.4
Very good
1,180 reviews
EVA Air
8.4
Very good
1,180 reviews

Food

8.1

Crew

8.6

Entertainment

8.0

Comfort

8.3

Overall

8.4

Boarding

8.4

Reviews

1 / 20
6.0
Good

Anonymous,Feb 2025

SFO - TPE

Inside plane was clean and chair was comfortable, but flight attendants serving coffee without giving me cream and sugar, even I ask he escape my request.
Korean Air
8.4
Very good
1,063 reviews
EVA Air
8.4
Very good
1,180 reviews

Food

8.1

Crew

8.6

Entertainment

8.0

Comfort

8.3

Overall

8.4

Boarding

8.4

Reviews

1 / 20
6.0
Good

Anonymous,Feb 2025

SFO - TPE

Inside plane was clean and chair was comfortable, but flight attendants serving coffee without giving me cream and sugar, even I ask he escape my request.
Asiana Airlines
8.2
Very good
443 reviews
EVA Air
8.4
Very good
1,180 reviews

Food

8.1

Crew

8.6

Entertainment

8.0

Comfort

8.3

Overall

8.4

Boarding

8.4

Reviews

1 / 20
6.0
Good

Anonymous,Feb 2025

SFO - TPE

Inside plane was clean and chair was comfortable, but flight attendants serving coffee without giving me cream and sugar, even I ask he escape my request.
Singapore Airlines
8.1
Very good
1,290 reviews
EVA Air
8.4
Very good
1,180 reviews

Food

8.1

Crew

8.6

Entertainment

8.0

Comfort

8.3

Overall

8.4

Boarding

8.4

Reviews

1 / 20
6.0
Good

Anonymous,Feb 2025

SFO - TPE

Inside plane was clean and chair was comfortable, but flight attendants serving coffee without giving me cream and sugar, even I ask he escape my request.

Related info for your journey

Find useful and relevant information for your journey from Seoul to Chiang Mai. 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 into for flights to Chiang Mai from Seoul?

    Chiang Mai (CNX), located 1.9 mi from the city center, is the airport you fly into when you book flights from Seoul to Chiang Mai. 6 airlines have flights to Chiang Mai from Seoul on a regular basis. Booking flights from Seoul to Chiang Mai should not be difficult; the airport handles an average of 5 inbound flights from Seoul per day.

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

    This flight path from Seoul to Chiang Mai was viewed by 3 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 Seoul to Chiang Mai round-trip?

    Currently priced at $170, Eastar Jet will fly you from Seoul to Chiang Mai and back. In addition to Eastar Jet, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Jeju Air and Jin Air - these airlines can fly you to your destination from $172 and $187, respectively. You may be able to fly from Seoul to Chiang Mai for 47% less than the average price by searching for these airlines.

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

    For one-way options, check prices for Jeju Air. According to our data, you can fly for as low as $64. Users have also found prices from $113 and $138 on Eastar Jet and HK Express, respectively.

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

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Seoul to Chiang Mai on time: Jin Air (75%), Thai Airways (64%), Asiana Airlines (63%).

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

    While on average a flight from Seoul to Chiang Mai is generally $200, our data shows the cheapest flight currently is $94. When looking at the most popular route, (Incheon Intl - Chiang Mai), you can expect to pay $164 for that flight.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Seoul to Chiang Mai 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 Seoul to Chiang Mai?

    Currently, April is the cheapest month in which you can book a flight from Seoul to Chiang Mai (average of $1,016). Flying from Seoul to Chiang Mai in December is currently the most expensive (average of $1,678). 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.

See more FAQs

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Alternative routes for Seoul to Chiang Mai

See prices for flight routes from nearby airports that may be better suited for you.
Gimpo Intl to Suvarnabhumi flights
Incheon Intl to Suvarnabhumi flights
Incheon Intl to Chiang Mai flights
Incheon Intl to Phuket City flights
Busan to Suvarnabhumi flights

Top 6 airlines flying from Seoul to Chiang Mai

Discover the top 6 airlines that operate flights from Seoul to Chiang Mai. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated April 25, 2025.
AirlineCheapestAverageFlexibilityOn-time
Eastar JetCheapest$122Average$246FlexibilityNo cancel feeOn-time86%
Jeju AirCheapest$185Average$251FlexibilityNo cancel feeOn-timeN/A
Jin AirCheapest$188Average$279FlexibilityNo cancel feeOn-time78%
Air ChinaCheapest$204Average$219FlexibilityNo cancel feeOn-time67%
Asiana AirlinesCheapest$268Average$344FlexibilityNo cancel feeOn-time76%
Korean AirCheapest$319Average$519FlexibilityNo cancel feeOn-time81%

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