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Chiang Mai

$69+ 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 4/20. Fares are subject to change and may not be available on all flights or dates of travel.
SEL — CNX
Apr 5 — Apr 121
Sat 4/5
Sat 4/12
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 36 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 March 31, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$167
(Trip.com)

One-way from

$69
(Jeju Air)

Popular in

January

Cheapest in

March

Average price

$244

Good round-trip deal

$222 or less

Good one-way deal

$94 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. 21% potential increase in price ($91 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($16 potential savings vs. average RT price).
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Average for round-trip flights in March 2025
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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 March 31, 2025.

This Trip.com deal was found by Cheapflights users on 3/31. 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.
Sun 5/256:00 pmICN - CNX
Nonstop5h 35mJeju Air
Sat 5/3110:35 pmCNX - ICN
Nonstop5h 15mJeju Air
Deal found 3/31$167
This Jin Air deal was found by Cheapflights users on 3/31. 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 9/225:10 pmICN - CNX
Nonstop5h 35mJin Air
Sun 9/289:45 pmCNX - ICN
Nonstop5h 20mJin Air
Deal found 3/31$184
This CheapOair deal was found by Cheapflights users on 3/31. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/76:30 pmICN - CNX
Nonstop6h 10mEastar Jet
Sat 6/1411:55 pmCNX - ICN
Nonstop5h 15mEastar Jet
Deal found 3/31$206
This Trip.com deal was found by Cheapflights users on 3/31. 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.
Sun 5/256:00 pmICN - CNX
Nonstop5h 35mMultiple Airlines
Sat 5/3111:30 amCNX - ICN
1 stop8h 20mMultiple Airlines
Deal found 3/31$236
This Malaysia Airlines deal was found by Cheapflights users on 3/31. 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.
Thu 6/1212:10 amICN - CNX
1 stop13h 30mMalaysia Airlines
Mon 6/1612:35 pmCNX - ICN
1 stop16h 35mMalaysia Airlines
Deal found 3/31$261
This CheapOair deal was found by Cheapflights users on 3/30. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/82:50 pmICN - CNX
1 stop28h 45mHong Kong Airlines
Tue 7/156:35 pmCNX - ICN
1 stop23h 05mHong Kong Airlines
Deal found 3/30$284
This Cathay Pacific deal was found by Cheapflights users on 3/31. 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.
Tue 6/1010:10 amICN - CNX
1 stop10h 30mCathay Pacific
Fri 6/2010:30 amCNX - ICN
1 stop8h 40mCathay Pacific
Deal found 3/31$295
This CheapOair deal was found by Cheapflights users on 3/31. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/74:20 pmICN - CNX
1 stop23h 05mChina Eastern
Sun 6/154:20 pmCNX - ICN
1 stop28h 25mChina Eastern
Deal found 3/31$310
This Korean Air deal was found by Cheapflights users on 3/31. 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.
Fri 5/96:25 pmICN - CNX
Nonstop5h 30mKorean Air
Thu 5/1511:15 pmCNX - ICN
Nonstop5h 25mKorean Air
Deal found 3/31$312
This oojo deal was found by Cheapflights users on 3/31. 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.
Sat 6/77:50 pmICN - CNX
Nonstop5h 50mAsiana Airlines
Fri 6/1312:45 amCNX - ICN
Nonstop5h 05mAsiana Airlines
Deal found 3/31$323
This Singapore Airlines deal was found by Cheapflights users on 3/31. 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.
Fri 8/14:45 pmICN - CNX
1 stop25h 55mSingapore Airlines
Wed 8/611:15 amCNX - ICN
1 stop26h 20mSingapore Airlines
Deal found 3/31$329
This Booking.com deal was found by Cheapflights users on 3/31. 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.
Sun 5/258:50 pmGMP - CNX
2 stops20h 30mChina Eastern
Sat 5/314:20 pmCNX - GMP
2 stops16h 40mChina Eastern
Deal found 3/31$343

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 March 31, 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

Sun 5/25

6:00 pm-9:35 pm

Nonstop5h 35m

Chiang Mai

Sat 5/31

10:35 pm-5:50 am

Nonstop5h 15m

$167

IncheonChiang Mai

ICN - CNX

ICNCNX

Incheon Intl

Mon 9/22

5:10 pm-8:45 pm

Nonstop5h 35m

Chiang Mai

Sun 9/28

9:45 pm-5:05 am

Nonstop5h 20m

$184

IncheonChiang Mai

ICN - CNX

ICNCNX

Incheon Intl

Mon 5/12

8:20 pm-4:50 pm

1 stop22h 30m

Chiang Mai

Sun 5/25

5:20 pm-7:00 am

1 stop11h 40m

$190

IncheonChiang Mai

ICN - CNX

ICNCNX

Incheon Intl

Sat 6/7

6:30 pm-10:40 pm

Nonstop6h 10m

Chiang Mai

Sat 6/14

11:55 pm-7:10 am

Nonstop5h 15m

$206

IncheonChiang Mai

ICN - CNX

ICNCNX

Incheon Intl

Thu 6/12

12:10 am-11:40 am

1 stop13h 30m

Chiang Mai

Mon 6/16

12:35 pm-7:10 am

1 stop16h 35m

$261

IncheonChiang Mai

ICN - CNX

ICNCNX

Incheon Intl

Tue 7/8

2:50 pm-5:35 pm

1 stop28h 45m

Chiang Mai

Tue 7/15

6:35 pm-7:40 pm

1 stop23h 05m

$284

IncheonChiang Mai

ICN - CNX

ICNCNX

Incheon Intl

Tue 6/10

10:10 am-6:40 pm

1 stop10h 30m

Chiang Mai

Fri 6/20

10:30 am-9:10 pm

1 stop8h 40m

$295

IncheonChiang Mai

ICN - CNX

ICNCNX

Incheon Intl

Sat 6/7

4:20 pm-1:25 pm

1 stop23h 05m

Chiang Mai

Sun 6/15

4:20 pm-10:45 pm

1 stop28h 25m

$310

IncheonChiang Mai

ICN - CNX

ICNCNX

Incheon Intl

Fri 5/9

6:25 pm-9:55 pm

Nonstop5h 30m

Chiang Mai

Thu 5/15

11:15 pm-6:40 am

Nonstop5h 25m

$312

IncheonChiang Mai

ICN - CNX

ICNCNX

Incheon Intl

Sat 6/7

7:50 pm-11:40 pm

Nonstop5h 50m

Chiang Mai

Fri 6/13

12:45 am-7:50 am

Nonstop5h 05m

$323

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/31

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 March.
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 Seoul-Chiang Mai flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Seoul-Chiang Mai flight deals on Cheapflights vs. FlightHub >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 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 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 March 28, 2025.

Booking 36 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, February is the cheapest month in which you can book a flight from Seoul to Chiang Mai (average of $1,015). 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 March 31, 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 March 31, 2025.

The most flights from SEL to CNX are scheduled on a Wednesday (5 on average). You will have fewer flight options on Friday, which is when the least amount of flights are scheduled (3 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 March 31, 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
1,170 reviews

Boarding

8.4

Crew

8.6

Comfort

8.3

Food

8.1

Entertainment

8.0

Overall

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
1,170 reviews
EVA Air
8.4
Very good
1,170 reviews

Boarding

8.4

Crew

8.6

Comfort

8.3

Food

8.1

Entertainment

8.0

Overall

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
1,051 reviews
EVA Air
8.4
Very good
1,170 reviews

Boarding

8.4

Crew

8.6

Comfort

8.3

Food

8.1

Entertainment

8.0

Overall

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
440 reviews
EVA Air
8.4
Very good
1,170 reviews

Boarding

8.4

Crew

8.6

Comfort

8.3

Food

8.1

Entertainment

8.0

Overall

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
1,286 reviews
EVA Air
8.4
Very good
1,170 reviews

Boarding

8.4

Crew

8.6

Comfort

8.3

Food

8.1

Entertainment

8.0

Overall

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 4 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 $167, Jeju Air will fly you from Seoul to Chiang Mai and back. In addition to Jeju Air, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Jin Air and Eastar Jet - these airlines can fly you to your destination from $184 and $206, respectively. You may be able to fly from Seoul to Chiang Mai for 49% 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 $69. Users have also found prices from $98 and $133 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: Jeju Air (91%), Jin Air (69%), Asiana Airlines (54%).

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

    While on average a flight from Seoul to Chiang Mai is generally $221, our data shows the cheapest flight currently is $84. When looking at the most popular route, (Seoul Gimpo Intl - Chiang Mai), you can expect to pay $340 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, February is the cheapest month in which you can book a flight from Seoul to Chiang Mai (average of $1,015). 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

Browse thousands of different options on Cheapflights for your next trip

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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.
Incheon Intl to Suvarnabhumi flights
Gimpo Intl to Suvarnabhumi flights
Incheon Intl to Phuket City flights
Incheon Intl to Chiang Mai 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 March 31, 2025.
AirlineCheapestAverageFlexibilityOn-time
Eastar JetCheapest$122Average$246FlexibilityNo cancel feeOn-time86%
Jin AirCheapest$188Average$279FlexibilityNo cancel feeOn-time78%
Air ChinaCheapest$204Average$219FlexibilityNo cancel feeOn-time67%
Jeju AirCheapest$222Average$268FlexibilityNo cancel feeOn-timeN/A
Asiana AirlinesCheapest$268Average$349FlexibilityNo cancel feeOn-time76%
Korean AirCheapest$328Average$529FlexibilityNo cancel feeOn-time81%
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