Find Cheap Flights from Seoul to Chiang Mai (SEL - CNX)

Flights overview

Useful information for finding cheap flights from Seoul to Chiang Mai and booking your next trip

Cheapest round-trip flights	$319	Air Busan Nonstop 6 hr Sat, May 9 — Fri, May 15	The cheapest round-trip flight from Seoul to Chiang Mai is currently $319
Cheapest one-way flight	$181	Thai Lion Air 1 stop 20 hr Tue, May 5	The cheapest one-way flight from Seoul to Chiang Mai is currently $181
Last-minute weekend getaway	$363	Air Busan Nonstop 6 hr Thu, May 7 — Sun, May 10	The cheapest last-minute weekend getaway from Seoul to Chiang Mai is currently $363
Cheapest business class flights	$874	Cathay Pacific, Hong Kong Express 1 stop 14 hr Thu, May 7 — Wed, May 13	The cheapest business class round-trip flight from Seoul to Chiang Mai is currently $874

Fastest flight	5 hr 25 min	The fastest nonstop flight from Seoul to Chiang Mai takes 5 hr 25 min
Nonstop flights	Some days	There are direct flights on this route 4 days a week: Wed, Thu, Sat, Sun.

When is the cheapest time to fly?

The cheapest month to fly from Seoul to Chiang Mai is typically August. The most expensive month to fly is typically January.

August Cheapest	Typical prices: $205–310
January Most expensive	Typical prices: $290–365

Popular airlines from Seoul to Chiang Mai

EASTAR JET

Nonstop

Typical price: $300–445

4 weekly nonstop flights

ICN - CNX Every Wed, Thu, Sat, Sun

25 weekly connecting flights

GMP, ICN - CNX Every Tue, Wed, Thu, Fri, Sat, Sun
Jeju Air

Nonstop

from $393

Typical price: $275–540

4 weekly nonstop flights

ICN - CNX Every Wed, Thu, Sat, Sun
Air Busan

Nonstop

from $319

Typical price: $255–410

4 weekly nonstop flights

ICN - CNX Every Wed, Thu, Sat, Sun
China Southern

from $478

Typical price: $320–760

46 weekly connecting flights

GMP, ICN - CNX Every day
Hong Kong Express

Typical price: $270–470

35 weekly connecting flights

ICN - CNX Every day
THAI

from $777

Typical price: $480–740

27 weekly connecting flights

ICN - CNX Every day

Popular airports near Seoul

Gimpo International Airport (GMP)

Seoul South Korea 11 mi
Cheongju International Airport (CJJ)

Cheongju-si South Korea 63 mi
Gwangju Airport (KWJ)

Gwangju South Korea 167 mi
Daegu International Airport (TAE) (TAE)

Daegu South Korea 147 mi

Popular airports near Chiang Mai

Chiang Mai International Airport (CNX)

Chiang Mai Thailand 12 min 2 mi
Mae Fah Luang - Chiang Rai International Airport (CEI)

Chiang Rai Thailand 3 hr 24 min 99 mi
Lampang Airport (LPT)

Lampang Thailand 1 hr 37 min 49 mi
Sukhothai Airport (THS)

Sukhothai Thailand 4 hr 5 min 120 mi

Frequently asked questions about flying from Seoul to Chiang Mai

The cheapest flights from Seoul to Chiang Mai are usually in August. Typical ticket prices in August range from $205 to $310.

The cheapest round-trip flight from Seoul to Chiang Mai recently found on Google Flights was with Air Busan from $319. The cheapest one-way flight was with Thai Lion Air from $181.

Some of the cheapest round-trip deals we found with different airlines:

The cheapest Jeju Air flight from Seoul to Chiang Mai is $393, flying from May 7 to May 14.
The cheapest Air Busan flight from Seoul to Chiang Mai is $319, flying from May 9 to May 15.
The cheapest China Southern flight from Seoul to Chiang Mai is $478, flying from Jun 25 to Jul 1.
The cheapest THAI flight from Seoul to Chiang Mai is $777, flying from Jun 4 to Jun 10.

The cheapest round-trip flight from Seoul to Chiang Mai starts at $319 from Sat, May 9 to Fri, May 15. The cheapest one-way flight starts at $181 and departs on Tue, May 5.

5 hr 25 min is the shortest flight time from Seoul to Chiang Mai.

Most visitors arrive Dec–Jan, when the weather is warm and mostly dry, with cool nights at higher elevations. The hot and humid rainy season runs May–Nov, with the heaviest rains in Sep. Major festivals include the Flower Festival (Feb), Songkran/Thai New Year (Apr) and Loi Krathong (Nov), the “festival of lights” that sees thousands of tiny candles launched on floats along the rivers.

It's easy to use Google Flights to find the cheapest days to fly from Seoul to Chiang Mai.
Just click the Departure label near the top of the page to open the calendar. Choose a start date and a return date to see how the round-trip fare changes on those specific days.
Adjust the trip type to see one-way fares. The cheapest available flights are highlighted and easy to spot. Once you settle on dates, click the Search button to see flight options and book the deal.

You can also turn on price tracking to get alerts if the price changes for a route or flight.

What counts as the best airline for your flights from Seoul to Chiang Mai really depends on your individual needs. You may have a favorite carrier or a loyalty program you like, but price, convenience, and airports served also come into play. Flexibility and booking terms – Can you change flights if you want to stay longer or get a refund if you have to postpone your trip? – are also factors that help determine which airline is best to fly from Seoul to Chiang Mai.

In terms of nonstop flights, EASTAR JET is the most popular. EASTAR JET offers 4 nonstop flights and 25 connecting flights per week. EASTAR JET flies from Gimpo International Airport (GMP) , Incheon International Airport (ICN) to Chiang Mai International Airport (CNX) .

In terms of flights, China Southern is the most popular. China Southern offers 46 connecting flights per week. China Southern flies from Gimpo International Airport (GMP) , Incheon International Airport (ICN) to Chiang Mai International Airport (CNX) .

Other popular airlines flying from Seoul to Chiang Mai are:

Jeju Air offers 4 nonstop flights per week. Jeju Air flies from Incheon International Airport (ICN) to Chiang Mai International Airport (CNX) .
Air Busan offers 4 nonstop flights per week. Air Busan flies from Incheon International Airport (ICN) to Chiang Mai International Airport (CNX) .
Hong Kong Express offers 35 connecting flights per week. Hong Kong Express flies from Incheon International Airport (ICN) to Chiang Mai International Airport (CNX) .
THAI offers 27 connecting flights per week. THAI flies from Incheon International Airport (ICN) to Chiang Mai International Airport (CNX) .

The number of connecting flights refers to distinct flights with at least one stop between Seoul and Chiang Mai.

The cheapest round-trip flight from Seoul to Chiang Mai recently found on Google Flights was with Air Busan from $319. The cheapest one-way flight was with Thai Lion Air from $181.

Some of the cheapest round-trip deals we found with different airlines:

The cheapest Jeju Air flight from Seoul to Chiang Mai is $393, flying from May 7 to May 14.
The cheapest Air Busan flight from Seoul to Chiang Mai is $319, flying from May 9 to May 15.
The cheapest China Southern flight from Seoul to Chiang Mai is $478, flying from Jun 25 to Jul 1.
The cheapest THAI flight from Seoul to Chiang Mai is $777, flying from Jun 4 to Jun 10.

Jeju Air, Air Busan and EASTAR JET fly direct from Seoul to Chiang Mai.

There are 4 EASTAR JET direct flights from Seoul to Chiang Mai per week. Flights are available on Wednesday, Thursday, Saturday and Sunday.
There are 4 Jeju Air direct flights from Seoul to Chiang Mai per week. Flights are available on Wednesday, Thursday, Saturday and Sunday.
There are 4 Air Busan direct flights from Seoul to Chiang Mai per week. Flights are available on Wednesday, Thursday, Saturday and Sunday.

Use the Stops filter while searching for flights, to see only nonstop options in your results.

The cheapest last-minute deal between Seoul and Chiang Mai at price $363 is offered by Air Busan from Thu, May 7 to Sun, May 10.

Jeju Air, Air Busan and EASTAR JET fly direct from Seoul to Chiang Mai.

There are 4 EASTAR JET direct flights from Seoul to Chiang Mai per week. Flights are available on Wednesday, Thursday, Saturday and Sunday.
There are 4 Jeju Air direct flights from Seoul to Chiang Mai per week. Flights are available on Wednesday, Thursday, Saturday and Sunday.
There are 4 Air Busan direct flights from Seoul to Chiang Mai per week. Flights are available on Wednesday, Thursday, Saturday and Sunday.

Use the Stops filter while searching for flights, to see only nonstop options in your results.

Direct flights from Seoul to Chiang Mai are only available on Wednesday, Thursday, Saturday and Sunday.

The cheapest direct (nonstop) round-trip flights between Seoul and Chiang Mai start at $319 from Sat, May 9 to Fri, May 15 with Air Busan.

It's easy to find nonstop flights with Google Flights! Once you've searched for flights from Seoul to Chiang Mai, just select the nonstop flights only option in the 'Stops’ filter in the search form and view all available direct flights and their prices.

The cheapest business class round-trip flights between Seoul and Chiang Mai start at $874 from Thu, May 7 to Wed, May 13 with Cathay Pacific, Hong Kong Express.

The cheapest economy class round-trip flights between Seoul and Chiang Mai start at $319 from Sat, May 9 to Fri, May 15.

To book business class trips from Seoul to Chiang Mai, look for the default Economy selection at the top, and change it to your desired cabin class such as Premium Economy, Business Class, or First Class. You can then select your departure and arrival dates, consider available options, and book your business travel.

You can also adjust the trip type to view one-way fares.

The best last-minute getaway deal for the next weekend between Seoul and Chiang Mai starts at $363 from Thu, May 7 to Sun, May 10 with Air Busan.

The cheapest last-minute deal between Seoul and Chiang Mai at price $363 is offered by Air Busan from Thu, May 7 to Sun, May 10.

To find last-minute flight deals from Seoul to Chiang Mai, start by entering the city names, select the desired departure and return dates, and hit the Search button to view flight options.

You can check for last-minute flights for the same day or adjust the trip type to see one-way fares.