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Chiang Mai

$75+ Cheap flights from Incheon Intl (ICN) 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 10/16. Fares are subject to change and may not be available on all flights or dates of travel.
ICN — CNX
Oct 15 — Oct 221
Wed 10/15
Wed 10/22
1 adult, Economy
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Cheapflights Tip: The best prices from Incheon Intl to Chiang Mai are usually found in May or March, booked 27 days in advance, depart on a Friday or Thursday and return on a Thursday

Cheap flight deals from Incheon Intl to Chiang Mai

Discover tips and strategies to find the most affordable flight options for your journey from Incheon Intl (ICN) 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 September 15, 2025.

Round-trip from

$182
(Jeju Air)

One-way from

$75
(Booking.com)

Popular in

January

Cheapest in

May

Average price

$239

Good round-trip deal

$294 or less

Good one-way deal

$85 or less
From Incheon Intl to Chiang Mai
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One-way flight from Incheon Intl to Chiang Mai
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Highest demand for flights based on searches. 24% potential increase in price ($92 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($15 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Price to beat on a round-trip flight from Incheon Intl to Chiang Mai.
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Price to beat on a one-way flight from Incheon Intl to Chiang Mai.
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Find flight deals from Incheon Intl to Chiang Mai

Cheapest flights from Incheon Intl to Chiang Mai
Explore the most affordable flight options available from Incheon Intl to Chiang Mai. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 15, 2025.

This Jeju Air deal was found by Cheapflights users on 9/13. 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 10/96:00 pmICN - CNX
Nonstop5h 35mJeju Air
Fri 10/1710:35 pmCNX - ICN
Nonstop5h 15mJeju Air
Deal found 9/13$182
This Booking.com deal was found by Cheapflights users on 9/14. 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.
Mon 10/136:00 pmICN - CNX
Nonstop5h 35mJeju Air
Sun 10/1910:35 pmCNX - ICN
Nonstop5h 15mJeju Air
Deal found 9/14$192
This Jeju Air deal was found by Cheapflights users on 9/15. 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 10/166:00 pmICN - CNX
Nonstop5h 35mJeju Air
Mon 10/2010:35 pmCNX - ICN
Nonstop5h 15mJeju Air
Deal found 9/15$195
This Kiwi.com deal was found by Cheapflights users on 9/14. 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.
Wed 9/176:30 pmICN - CNX
Nonstop6h 10mEastar Jet
Sat 9/2011:55 pmCNX - ICN
Nonstop5h 15mEastar Jet
Deal found 9/14$201
This AirAsia deal was found by Cheapflights users on 9/14. 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 AirAsia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/198:15 amICN - CNX
1 stop10h 35mMultiple Airlines
Sat 11/13:10 pmCNX - ICN
1 stop26h 35mMultiple Airlines
Deal found 9/14$203
This Jeju Air deal was found by Cheapflights users on 9/14. 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.
Wed 9/246:00 pmICN - CNX
Nonstop5h 35mJeju Air
Sun 9/2810:35 pmCNX - ICN
Nonstop5h 15mJeju Air
Deal found 9/14$207
This Jeju Air deal was found by Cheapflights users on 9/15. 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.
Sat 9/206:00 pmICN - CNX
Nonstop5h 35mJeju Air
Thu 9/2510:35 pmCNX - ICN
Nonstop5h 15mJeju Air
Deal found 9/15$209
This Jin Air deal was found by Cheapflights users on 9/14. 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 9/14$224
This AirAsia deal was found by Cheapflights users on 9/14. 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 AirAsia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/238:15 amICN - CNX
1 stop10h 35mMultiple Airlines
Mon 10/2710:10 pmCNX - ICN
1 stop9h 55mMultiple Airlines
Deal found 9/14$225
This Jeju Air deal was found by Cheapflights users on 9/15. 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.
Fri 10/106:00 pmICN - CNX
Nonstop5h 35mJeju Air
Thu 11/1312:45 amCNX - ICN
Nonstop4h 45mJeju Air
Deal found 9/15$237
This Kiwi.com deal was found by Cheapflights users on 9/13. 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.
Sat 11/2210:55 pmICN - CNX
1 stop17h 40mMultiple Airlines
Sat 11/293:10 pmCNX - ICN
1 stop16h 55mMultiple Airlines
Deal found 9/13$250
This Jin Air deal was found by Cheapflights users on 9/15. 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.
Sat 9/275:10 pmICN - CNX
Nonstop5h 35mJin Air
Wed 10/19:45 pmCNX - ICN
Nonstop5h 20mJin Air
Deal found 9/15$253

Cheapflights Fare Finder

 
Customize your flight search to find flights from Incheon Intl 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 September 15, 2025.
Use the filters below to find and compare flights from Incheon Intl Airport to Chiang Mai that are best for you.

Fly from

Incheon Intl

Fly to

Chiang Mai

Route

Depart

Return

Price

IncheonChiang Mai

ICN - CNX

ICNCNX

Incheon Intl

Thu 10/16

6:00 pm-9:35 pm

Nonstop5h 35m

Chiang Mai

Sun 10/19

10:35 pm-5:50 am

Nonstop5h 15m

$209

IncheonChiang Mai

ICN - CNX

ICNCNX

Incheon Intl

Fri 10/10

6:00 pm-9:35 pm

Nonstop5h 35m

Chiang Mai

Thu 11/13

12:45 am-7:30 am

Nonstop4h 45m

$237

IncheonChiang Mai

ICN - CNX

ICNCNX

Incheon Intl

Sat 9/27

5:10 pm-8:45 pm

Nonstop5h 35m

Chiang Mai

Wed 10/1

9:45 pm-5:05 am

Nonstop5h 20m

$253

IncheonChiang Mai

ICN - CNX

ICNCNX

Incheon Intl

Wed 1/28

11:05 am-1:50 pm

1 stop28h 45m

Chiang Mai

Wed 2/11

12:25 pm-8:55 pm

1 stop30h 30m

$358

IncheonChiang Mai

ICN - CNX

ICNCNX

Incheon Intl

Wed 12/3

7:10 pm-11:45 pm

Nonstop6h 35m

Chiang Mai

Sun 12/7

12:45 am-7:30 am

Nonstop4h 45m

$376

IncheonChiang Mai

ICN - CNX

ICNCNX

Incheon Intl

Tue 10/14

7:50 pm-11:40 pm

Nonstop5h 50m

Chiang Mai

Mon 10/20

12:45 am-7:50 am

Nonstop5h 05m

$381

IncheonChiang Mai

ICN - CNX

ICNCNX

Incheon Intl

Sun 11/23

7:10 pm-11:45 pm

Nonstop6h 35m

Chiang Mai

Thu 11/27

12:45 am-7:30 am

Nonstop4h 45m

$397

IncheonChiang Mai

ICN - CNX

ICNCNX

Incheon Intl

Thu 12/4

7:10 pm-11:45 pm

Nonstop6h 35m

Chiang Mai

Wed 12/10

12:45 am-7:30 am

Nonstop4h 45m

$397

IncheonChiang Mai

ICN - CNX

ICNCNX

Incheon Intl

Fri 1/23

12:10 am-1:50 pm

1 stop15h 40m

Chiang Mai

Thu 1/29

2:50 pm-6:30 am

1 stop13h 40m

$402

IncheonChiang Mai

ICN - CNX

ICNCNX

Incheon Intl

Wed 10/15

12:10 am-1:40 pm

1 stop15h 30m

Chiang Mai

Mon 10/20

12:35 pm-7:10 am

1 stop16h 35m

$422

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/14

Showing 1-10 of 23 results
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Best time to book a flight from Incheon Intl to Chiang Mai

Have a flexible travel schedule? Discover the best time to fly to Chiang Mai from Incheon Intl 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 Incheon Intl Airport to Chiang Mai

How far ahead should I book a flight from Incheon Intl Airport to Chiang Mai?

Use this chart to determine the optimal time to book a round-trip flight from Incheon Intl to Chiang Mai. Price data was last updated on September 12, 2025.

The price you pay for your flight from Incheon Intl Airport to Chiang Mai may vary depending on when you book. For the best chance of a lower fare, look to book 27 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

What is the cheapest month to book a flight from Incheon Intl Airport to Chiang Mai?

Currently, September is the cheapest month in which you can book a flight from Incheon Intl Airport to Chiang Mai (average of $975). Flying from Incheon Intl Airport to Chiang Mai in June is currently the most expensive (average of $1,562). 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 ICN to CNX?

Find hourly flight availability from Incheon Intl 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 September 15, 2025.

Unlike in the morning, when flights are generally more expensive, you can save up to 43% on flights from Incheon Intl Airport to Chiang Mai by exploring options for tickets in the afternoon.

What is the cheapest day to fly from Incheon Intl Airport to Chiang Mai?

Use this chart to determine the cheapest time to fly round-trip from Incheon Intl to Chiang Mai. Price data was last updated on September 14, 2025.

Travelers seeking maximum savings on their Incheon Intl Airport to Chiang Mai flight should consider departing on Thursday afternoons 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.

How much does it cost to fly round-trip from Incheon Intl Airport to Chiang Mai?

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 September 15, 2025.
Peruse reviews from past customers who have flown with Korean Air and Asiana Airlines from Incheon Intl Airport to Chiang Mai to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Korean Air
8.4
Very good
1,139 reviews

Crew

8.7

Comfort

8.3

Food

8.1

Entertainment

8.2

Overall

8.4

Boarding

8.5

Reviews

1 / 20
10.0
Excellent

Jacqueline,Aug 2025

ICN - SEA

Well, I was upset at first because I have a special diet and I need to order vegetarian and I couldn’t do it before the trip, but the stewardess were so nice and they gave me sandwiches that were plant-based which I loved!!
Korean Air
8.4
Very good
1,139 reviews
Korean Air
8.4
Very good
1,139 reviews

Crew

8.7

Comfort

8.3

Food

8.1

Entertainment

8.2

Overall

8.4

Boarding

8.5

Reviews

1 / 20
10.0
Excellent

Jacqueline,Aug 2025

ICN - SEA

Well, I was upset at first because I have a special diet and I need to order vegetarian and I couldn’t do it before the trip, but the stewardess were so nice and they gave me sandwiches that were plant-based which I loved!!
Asiana Airlines
8.2
Very good
479 reviews
Korean Air
8.4
Very good
1,139 reviews

Crew

8.7

Comfort

8.3

Food

8.1

Entertainment

8.2

Overall

8.4

Boarding

8.5

Reviews

1 / 20
10.0
Excellent

Jacqueline,Aug 2025

ICN - SEA

Well, I was upset at first because I have a special diet and I need to order vegetarian and I couldn’t do it before the trip, but the stewardess were so nice and they gave me sandwiches that were plant-based which I loved!!

Related info for your journey

Find useful and relevant information for your journey from Incheon Intl 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 Incheon Intl?

    If you book a flight to Chiang Mai from Incheon Intl, you will be flying to Chiang Mai, which is the city’s only airport. Chiang Mai (CNX) is located 1.9 mi from the center of Chiang Mai. There are 7 flights from Incheon Intl to Chiang Mai per day from 5 different airlines.

  • How popular is this Incheon Intl Airport to Chiang Mai flight route?

    This flight path from Incheon Intl 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.

  • How long is the flight from Incheon Intl Airport to Chiang Mai?

    There are many flights that can get you from Incheon Intl Airport to Chiang Mai in 5h 35m. Fly via Jeju Air, Jin Air, or Malaysia Airlines to get the fastest option. The distance from Incheon Intl Airport to Chiang Mai is about 2099 mi. This flight may include one or multiple stops.

  • What are the cheapest airlines flying from Incheon Intl Airport to Chiang Mai round-trip?

    According to our current data, Eastar Jet ($122), Jeju Air ($169), and Jin Air ($194) offers the cheapest pricing from Incheon Intl Airport to Chiang Mai. Eastar Jet is priced at 56% lower than the current average price of a flight leaving 3 months from now.

  • What are the most reliable airlines from Incheon Intl Airport to Chiang Mai?

    Consider Eastar Jet (94%), Thai Airways (90%) or Asiana Airlines (90%) when booking your flight. These represent the most reliable airlines when flying from Incheon Intl Airport to Chiang Mai.

  • What are the cheapest flights from Incheon Intl Airport to Chiang Mai?

    On average you can expect to pay $272 for a flight from Incheon Intl Airport to Chiang Mai. The cheapest flight overall is $94 while the most popular route, (Incheon Intl - Chiang Mai) is currently priced at $196.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Incheon Intl 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 Incheon Intl Airport to Chiang Mai?

    Currently, September is the cheapest month in which you can book a flight from Incheon Intl Airport to Chiang Mai (average of $975). Flying from Incheon Intl Airport to Chiang Mai in June is currently the most expensive (average of $1,562). 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 Incheon Intl 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

Top 5 airlines flying from Incheon Intl to Chiang Mai

Discover the top 5 airlines that operate flights from Incheon Intl 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 September 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
Eastar JetCheapest$122Average$297FlexibilityNo cancel feeOn-time86%
Jeju AirCheapest$169Average$310FlexibilityNo cancel feeOn-timeN/A
Jin AirCheapest$194Average$355FlexibilityNo cancel feeOn-time78%
Asiana AirlinesCheapest$255Average$351FlexibilityNo cancel feeOn-time76%
Korean AirCheapest$332Average$565FlexibilityNo cancel feeOn-time81%

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