S$190 Cheap Flights from Seoul to Chiang Mai

View S$190 flight on Wed, 27 May, 2026Opens in a new window

Popular airlines from Incheon Intl. Airport (ICN) to Chiang Mai Intl. Airport (CNX)

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Cheap Flights from Seoul to Chiang Mai (ICN-CNX)

Prices were available within the past 7 days and start at S$190 for one-way flights and S$385 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Thai AirAsia
Wed, 6 May - Fri, 8 May
ICN
Seoul
CNX
Chiang Mai
S$385 Return, found 5 days ago
S$385
Return
found 5 days ago
Select Thai AirAsia flight, departing Wed, 6 May from Seoul to Chiang Mai, returning Fri, 8 May, priced at S$385 found 5 days ago
Hahn Air Systems
Sun, 3 May - Wed, 6 May
ICN
Seoul
CNX
Chiang Mai
S$449 Return, found 5 days ago
S$449
Return
found 5 days ago
Select Hahn Air Systems flight, departing Sun, 3 May from Seoul to Chiang Mai, returning Wed, 6 May, priced at S$449 found 5 days ago
Hahn Air Systems
Thu, 11 Jun - Wed, 17 Jun
ICN
Seoul
CNX
Chiang Mai
S$451 Return, found 6 hours ago
S$451
Return
found 6 hours ago
Select Hahn Air Systems flight, departing Thu, 11 Jun from Seoul to Chiang Mai, returning Wed, 17 Jun, priced at S$451 found 6 hours ago
Thai AirAsia
Thu, 11 Jun - Wed, 17 Jun
ICN
Seoul
CNX
Chiang Mai
S$473 Return, found 6 hours ago
S$473
Return
found 6 hours ago
Select Thai AirAsia flight, departing Thu, 11 Jun from Seoul to Chiang Mai, returning Wed, 17 Jun, priced at S$473 found 6 hours ago
China Eastern Airlines
Fri, 20 Nov - Mon, 23 Nov
ICN
Seoul
CNX
Chiang Mai
S$478 Return, found 6 days ago
S$478
Return
found 6 days ago
Select China Eastern Airlines flight, departing Fri, 20 Nov from Seoul to Chiang Mai, returning Mon, 23 Nov, priced at S$478 found 6 days ago
China Eastern Airlines
Thu, 11 Jun - Wed, 17 Jun
ICN
Seoul
CNX
Chiang Mai
S$487 Return, found 6 hours ago
S$487
Return
found 6 hours ago
Select China Eastern Airlines flight, departing Thu, 11 Jun from Seoul to Chiang Mai, returning Wed, 17 Jun, priced at S$487 found 6 hours ago
China Eastern Airlines
Fri, 20 Nov - Mon, 23 Nov
ICN
Seoul
CNX
Chiang Mai
S$490 Return, found 6 days ago
S$490
Return
found 6 days ago
Select China Eastern Airlines flight, departing Fri, 20 Nov from Seoul to Chiang Mai, returning Mon, 23 Nov, priced at S$490 found 6 days ago
Jeju Air with Bag
Sun, 3 May - Wed, 6 May
ICN
Seoul
CNX
Chiang Mai
S$493 Return, found 5 days ago
S$493
Return
found 5 days ago
Select Jeju Air with Bag flight, departing Sun, 3 May from Seoul to Chiang Mai, returning Wed, 6 May, priced at S$493 found 5 days ago
Jeju Air with Bag
Thu, 11 Jun - Wed, 17 Jun
ICN
Seoul
CNX
Chiang Mai
S$494 Return, found 6 hours ago
S$494
Return
found 6 hours ago
Select Jeju Air with Bag flight, departing Thu, 11 Jun from Seoul to Chiang Mai, returning Wed, 17 Jun, priced at S$494 found 6 hours ago
Malaysia Airlines
Thu, 11 Jun - Wed, 17 Jun
ICN
Seoul
CNX
Chiang Mai
S$594 Return, found 6 hours ago
S$594
Return
found 6 hours ago
Select Malaysia Airlines flight, departing Thu, 11 Jun from Seoul to Chiang Mai, returning Wed, 17 Jun, priced at S$594 found 6 hours ago

Find the cheapest month to fly from Seoul (ICN) to Chiang Mai (CNX)

March is typically the cheapest month to fly

From S$223 - S$511 per traveller.

Frequently asked questions

How much is a flight from ICN to Chiang Mai Airport?
Within the past 7 days on Expedia, for flights departing within the next year, the lowest price advertised for a round-trip flight between Incheon Intl. Airport (ICN) and CNX was S$385. Fares this good don't last long, so make sure you book yours today. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from Incheon Intl. Airport (ICN) to CNX?
We understand that your situation can change unexpectedly, so we've made it as easy as possible for you to cancel your trip online. Just head to the Customer Service Portal and follow the instructions.
How do I find cheap flights from Incheon Airport to Chiang Mai Intl. Airport (CNX) that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you're searching for Incheon Intl. Airport (ICN) to CNX flights, you'll see a "no change fees" filter for you to select.
How far is the flight from Incheon Airport to Chiang Mai Intl. Airport (CNX)?
It's around 3,400 kilometres between South Korea and Chiang Mai, so you'll be strapped into your seat for a while. Keep yourself entertained by packing things like playing cards (if you're travelling with friends) or a gripping book.
Which airlines fly direct from Incheon Intl. Airport (ICN) to CNX?
A favourite with many frequent travellers, Korean Air (KE) offers 17 monthly flights from Incheon Airport to Chiang Mai Intl. Airport (CNX). Pick the one that fits in with your travel plans and book your fare today.
Are Incheon Intl. Airport (ICN) to Chiang Mai Intl. Airport (CNX) flight tickets cheaper when they're purchased at the last minute?
Booking last minute from Incheon Airport to Chiang Mai Airport can be hit-or-miss. It is possible to score a bargain, but then again, you could miss out entirely! If you'd rather play it safe and start your trip planning early on, Expedia compares flight deals up to 12 months in advance. Just bear in mind that not all airlines release their prices so far in advance. Our top tip? Check back often as updates are made regularly.

Travel information

0
Origin airport
Incheon Intl.
Destination airport
Chiang Mai Intl.
Airlines serving
Air China, Cathay Pacific, China Eastern Airlines, China Southern Airlines, Scoot, Thai Airways International
Return price
S$384
Distance
3360 km

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