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Incheon Intl

$126+ Cheap flights from Chiang Mai (CNX) to Incheon Intl (ICN)

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 7/11. Fares are subject to change and may not be available on all flights or dates of travel.
CNX — ICN
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
1 adult, Economy
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Cheapflights Tip: The best prices from Chiang Mai to Incheon Intl are usually found in September or July, booked 21 days in advance, depart on a Friday or Thursday and return on a Saturday

Cheap flight deals from Chiang Mai to Incheon Intl

Discover tips and strategies to find the most affordable flight options for your journey from Chiang Mai (CNX) to Incheon Intl (ICN). 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 June 12, 2025.

Round-trip from

$254
(AirAsia)

One-way from

$126
(AirAsia)

Popular in

January

Cheapest in

September

Average price

$418

Good round-trip deal

$605 or less

Good one-way deal

$521 or less
From Chiang Mai to Incheon Intl
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One-way flight from Chiang Mai to Incheon Intl
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Highest demand for flights based on searches. 11% potential increase in price ($54 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 June 2025
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Price to beat on a round-trip flight from Chiang Mai to Incheon Intl.
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Price to beat on a one-way flight from Chiang Mai to Incheon Intl.
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Find flight deals from Chiang Mai to Incheon Intl

Cheapest flights from Chiang Mai to Incheon Intl
Explore the most affordable flight options available from Chiang Mai to Incheon Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 12, 2025.

This Kiwi.com deal was found by Cheapflights users on 6/11. 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.
Sun 6/1511:30 pmCNX - ICN
1 stop8h 50mMultiple Airlines
Mon 6/238:20 pmICN - CNX
1 stop22h 30mMultiple Airlines
Deal found 6/11$238
This Kiwi.com deal was found by Cheapflights users on 6/11. 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.
Thu 8/1410:30 amCNX - ICN
1 stop9h 05mHK Express
Sat 8/162:35 amICN - CNX
1 stop9h 10mHK Express
Deal found 6/11$308
This Malaysia Airlines deal was found by Cheapflights users on 6/12. 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.
Sun 7/2712:35 pmCNX - ICN
1 stop16h 35mMalaysia Airlines
Sun 8/311:00 amICN - CNX
1 stop26h 40mMalaysia Airlines
Deal found 6/12$333
This Priceline deal was found by Cheapflights users on 6/11. 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.
Tue 6/172:55 pmCNX - ICN
1 stop22h 30mChina Eastern
Wed 6/254:20 pmICN - CNX
1 stop23h 05mChina Eastern
Deal found 6/11$360
This China Southern deal was found by Cheapflights users on 6/11. 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.
Wed 7/166:50 pmCNX - ICN
1 stop18h 35mChina Southern
Wed 7/233:15 pmICN - CNX
1 stop28h 35mChina Southern
Deal found 6/11$439
This Jeju Air deal was found by Cheapflights users on 6/10. 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 6/1110:35 pmCNX - ICN
Nonstop5h 15mJeju Air
Sun 6/156:00 pmICN - CNX
Nonstop5h 35mJeju Air
Deal found 6/10$467
This SmartFares deal was found by Cheapflights users on 6/11. 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.
Wed 8/1312:45 amCNX - ICN
Nonstop5h 05mAsiana Airlines
Sun 8/177:50 pmICN - CNX
Nonstop5h 50mAsiana Airlines
Deal found 6/11$470
This China Airlines deal was found by Cheapflights users on 6/11. 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.
Wed 10/2911:25 amCNX - ICN
1 stop21h 55mChina Airlines
Fri 11/712:25 pmICN - CNX
1 stop24h 00mChina Airlines
Deal found 6/11$489
This Korean Air deal was found by Cheapflights users on 6/11. 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.
Wed 6/1811:15 pmCNX - ICN
Nonstop5h 25mKorean Air
Fri 6/276:25 pmICN - CNX
Nonstop5h 30mKorean Air
Deal found 6/11$496
This Jin Air deal was found by Cheapflights users on 6/11. 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.
Thu 9/189:45 pmCNX - ICN
Nonstop5h 20mJin Air
Thu 10/95:10 pmICN - CNX
Nonstop5h 35mJin Air
Deal found 6/11$498
This Cathay Pacific deal was found by Cheapflights users on 6/11. 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 6/1710:10 amCNX - ICN
2 stops33h 00mCathay Pacific
Mon 6/2310:10 amICN - CNX
1 stop10h 30mCathay Pacific
Deal found 6/11$543
This Eastar Jet deal was found by Cheapflights users on 6/11. 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 Eastar Jet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/611:55 pmCNX - ICN
Nonstop5h 15mEastar Jet
Sat 7/196:30 pmICN - CNX
Nonstop6h 10mEastar Jet
Deal found 6/11$548

Cheapflights Fare Finder

Customize your flight search to find flights from Chiang Mai to Incheon Intl 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 June 12, 2025.
Use the filters below to find and compare flights from Chiang Mai to Incheon Intl Airport that are best for you.

Fly from

Chiang Mai

Fly to

Incheon Intl

Route

Depart

Return

Price

Chiang MaiIncheon

CNX - ICN

CNXICN

Chiang Mai

Thu 9/18

8:10 pm-10:20 am

1 stop12h 10m

Incheon Intl

Thu 10/9

11:35 am-6:30 pm

1 stop8h 55m

$254

Chiang MaiIncheon

CNX - ICN

CNXICN

Chiang Mai

Thu 8/14

10:30 am-9:35 pm

1 stop9h 05m

Incheon Intl

Sat 8/16

2:35 am-9:45 am

1 stop9h 10m

$308

Chiang MaiIncheon

CNX - ICN

CNXICN

Chiang Mai

Sun 7/27

12:35 pm-7:10 am

1 stop16h 35m

Incheon Intl

Sun 8/3

11:00 am-11:40 am

1 stop26h 40m

$333

Chiang MaiIncheon

CNX - ICN

CNXICN

Chiang Mai

Thu 8/14

10:05 am-11:00 am

3 stops22h 55m

Incheon Intl

Sun 8/17

8:15 pm-1:25 pm

2 stops19h 10m

$381

Chiang MaiIncheon

CNX - ICN

CNXICN

Chiang Mai

Wed 7/16

6:50 pm-3:25 pm

1 stop18h 35m

Incheon Intl

Wed 7/23

3:15 pm-5:50 pm

1 stop28h 35m

$439

Chiang MaiIncheon

CNX - ICN

CNXICN

Chiang Mai

Wed 8/13

12:45 am-7:50 am

Nonstop5h 05m

Incheon Intl

Sun 8/17

7:50 pm-11:40 pm

Nonstop5h 50m

$470

Chiang MaiIncheon

CNX - ICN

CNXICN

Chiang Mai

Wed 10/29

11:25 am-11:20 am

1 stop21h 55m

Incheon Intl

Fri 11/7

12:25 pm-10:25 am

1 stop24h 00m

$489

Chiang MaiIncheon

CNX - ICN

CNXICN

Chiang Mai

Thu 9/18

9:45 pm-5:05 am

Nonstop5h 20m

Incheon Intl

Thu 10/9

5:10 pm-8:45 pm

Nonstop5h 35m

$498

Chiang MaiIncheon

CNX - ICN

CNXICN

Chiang Mai

Thu 8/14

11:55 pm-7:10 am

Nonstop5h 15m

Incheon Intl

Sun 8/17

6:30 pm-10:40 pm

Nonstop6h 10m

$543

Chiang MaiIncheon

CNX - ICN

CNXICN

Chiang Mai

Wed 7/2

8:00 pm-6:45 pm

2 stops20h 45m

Incheon Intl

Sun 7/13

12:00 pm-11:15 am

2 stops25h 15m

$597

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/10

Showing 1-10 of 27 results
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Best time to book a flight from Chiang Mai to Incheon Intl

Have a flexible travel schedule? Discover the best time to fly to Incheon Intl 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.

Cheapflights Insights

Everything you need to know about your flight from Chiang Mai to Incheon Intl Airport

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

Use this chart to determine the optimal time to book a round-trip flight from Chiang Mai to Incheon Intl. Price data was last updated on June 9, 2025.

To ensure you get the cheapest price possible for a flight from Chiang Mai to Incheon Intl Airport, you should look to book at least 21 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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

Currently, February is the cheapest month in which you can book a flight from Chiang Mai to Incheon Intl Airport (average of $1,000). Flying from Chiang Mai to Incheon Intl Airport in December is currently the most expensive (average of $1,635). 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 ICN?

Find hourly flight availability from Chiang Mai to Incheon Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated June 12, 2025.

A simple way to save on the total cost of your ticket is to fly from Chiang Mai to Incheon Intl Airport at noon. If you’re flexible enough to do this you can expect to save up to 10% on your trip compared to booking a flight in the morning.

Weekly flight availability from Chiang Mai to Incheon Intl Airport

Explore weekly flight availability from Chiang Mai to Incheon Intl. 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 June 12, 2025.

The most flights from CNX to ICN are scheduled on a Thursday (8 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (2 on average).

Rainfall in Incheon Intl by month

Plan your trip to Incheon Intl by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Incheon Intl Airport ranges from 0.8 - 10.2 inches per month. July is typically the wettest month, when rainfall can reach 10.2 in. January is typically the driest time to visit Incheon Intl Airport when rainfall is around 0.8 in.

Temperature in Incheon Intl by month

Plan your trip to Incheon Intl by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Incheon Intl Airport, 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 28.4 F).

Reviews of airlines servicing Incheon Intl

Get insights into the airlines that provide service to Incheon Intl. 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 Incheon Intl. Reviews last updated June 12, 2025.
To help decide which airline to fly from Chiang Mai to Seoul, see what other customers have to say about EVA Air, Korean Air and China Airlines. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
EVA Air
8.4
Very good
1,202 reviews

Boarding

8.4

Comfort

8.3

Entertainment

8.0

Overall

8.4

Food

8.1

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2025

TPE - SEA

The flight and crew were exceptional as always when I fly with EVA.
EVA Air
8.4
Very good
1,202 reviews
EVA Air
8.4
Very good
1,202 reviews

Boarding

8.4

Comfort

8.3

Entertainment

8.0

Overall

8.4

Food

8.1

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2025

TPE - SEA

The flight and crew were exceptional as always when I fly with EVA.
Korean Air
8.4
Very good
1,088 reviews
EVA Air
8.4
Very good
1,202 reviews

Boarding

8.4

Comfort

8.3

Entertainment

8.0

Overall

8.4

Food

8.1

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2025

TPE - SEA

The flight and crew were exceptional as always when I fly with EVA.
China Airlines
8.3
Very good
738 reviews
EVA Air
8.4
Very good
1,202 reviews

Boarding

8.4

Comfort

8.3

Entertainment

8.0

Overall

8.4

Food

8.1

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2025

TPE - SEA

The flight and crew were exceptional as always when I fly with EVA.
Asiana Airlines
8.2
Very good
440 reviews
EVA Air
8.4
Very good
1,202 reviews

Boarding

8.4

Comfort

8.3

Entertainment

8.0

Overall

8.4

Food

8.1

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2025

TPE - SEA

The flight and crew were exceptional as always when I fly with EVA.

Related info for your journey

Find useful and relevant information for your journey from Chiang Mai to Incheon Intl. 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 Incheon Intl?

    If you book a flight to Incheon Intl from Chiang Mai, you will be flying from 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 4 flights from Chiang Mai to Incheon Intl per day from 0 different airlines.

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

    This flight path from Chiang Mai to Incheon Intl 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 Incheon Intl Airport round-trip?

    HK Express, at $308, was found to be the cheapest airline from Chiang Mai to Incheon Intl Airport.Alternate airlines to your destination round-trip include Malaysia Airlines and China Eastern. HK Express is currently priced 23% below the average price you’ll pay for this route.

  • What are the cheapest airlines to fly from Chiang Mai to Incheon Intl Airport one-way?

    One-way options have recently been found by users for as low as $154 on HK Express. Other airlines that offer cheap prices include Malaysia Airlines from $193 and China Eastern from $194 one-way.

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

    Before booking your flight to Incheon Intl Airport from Chiang Mai, check out the most reliable airlines to get you to your destination on time: Delta (98%), Korean Air (98%), Eastar Jet( 97%).

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

    While on average a flight from Chiang Mai to Incheon Intl Airport is generally $1,839, our data shows the cheapest flight currently is $155. When looking at the most popular route, (Chiang Mai - Incheon Intl), you can expect to pay $455 for that flight.

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

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

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

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

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

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

    Currently, February is the cheapest month in which you can book a flight from Chiang Mai to Incheon Intl Airport (average of $1,000). Flying from Chiang Mai to Incheon Intl Airport in December is currently the most expensive (average of $1,635). 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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