132 € Chiang Mai to Seoul Cheap Flights

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Flight deals from Chiang Mai to Seoul

Looking for a cheap last-minute deal or the best return flight from Chiang Mai to Seoul? Find the lowest prices on one-way and return tickets right here.

Seoul.132 € per passenger.Departing Wed, 20 Aug, returning Thu, 4 Sep.Return flight with Eastar Jet.Outbound direct flight with Eastar Jet departs from Chiang Mai on Wed, 20 Aug, arriving in Incheon International.Inbound direct flight with Eastar Jet departs from Incheon International on Thu, 4 Sep, arriving in Chiang Mai.Price includes taxes and charges.From 132 €, select.

Seoul.138 € per passenger.Departing Wed, 20 Aug, returning Mon, 25 Aug.Return flight with Eastar Jet.Outbound direct flight with Eastar Jet departs from Chiang Mai on Wed, 20 Aug, arriving in Incheon International.Inbound direct flight with Eastar Jet departs from Incheon International on Mon, 25 Aug, arriving in Chiang Mai.Price includes taxes and charges.From 138 €, select.

Seoul.164 € per passenger.Departing Thu, 4 Sep, returning Thu, 11 Sep.Return flight with Jin Air and Eastar Jet.Outbound direct flight with Jin Air departs from Chiang Mai on Thu, 4 Sep, arriving in Incheon International.Inbound direct flight with Eastar Jet departs from Incheon International on Thu, 11 Sep, arriving in Chiang Mai.Price includes taxes and charges.From 164 €, select.

Seoul.165 € per passenger.Departing Sun, 28 Sep, returning Sat, 11 Oct.Return flight with Eastar Jet and Jin Air.Outbound direct flight with Eastar Jet departs from Chiang Mai on Sun, 28 Sep, arriving in Incheon International.Inbound direct flight with Jin Air departs from Incheon International on Sat, 11 Oct, arriving in Chiang Mai.Price includes taxes and charges.From 165 €, select.

Seoul.203 € per passenger.Departing Wed, 1 Oct, returning Sat, 11 Oct.Return flight with Jin Air.Outbound direct flight with Jin Air departs from Chiang Mai on Wed, 1 Oct, arriving in Incheon International.Inbound direct flight with Jin Air departs from Incheon International on Sat, 11 Oct, arriving in Chiang Mai.Price includes taxes and charges.From 203 €, select.

Seoul.206 € per passenger.Departing Tue, 15 Jul, returning Thu, 21 Aug.Return flight with Thai VietJet Air and Eastar Jet.Outbound indirect flight with Thai VietJet Air, departs from Chiang Mai on Tue, 15 Jul, arriving in Incheon International.Inbound indirect flight with Eastar Jet, departs from Incheon International on Thu, 21 Aug, arriving in Chiang Mai.Price includes taxes and charges.From 206 €, select.

Seoul.210 € per passenger.Departing Fri, 27 Jun, returning Tue, 15 Jul.Return flight with Jin Air and Thai AirAsia X.Outbound indirect flight with Jin Air, departs from Chiang Mai on Fri, 27 Jun, arriving in Incheon International.Inbound indirect flight with Thai AirAsia X, departs from Incheon International on Tue, 15 Jul, arriving in Chiang Mai.Price includes taxes and charges.From 210 €, select.

Seoul.212 € per passenger.Departing Wed, 2 Jul, returning Fri, 4 Jul.Return flight with Thai AirAsia and T'way Air.Outbound indirect flight with Thai AirAsia, departs from Chiang Mai on Wed, 2 Jul, arriving in Incheon International.Inbound indirect flight with T'way Air, departs from Incheon International on Fri, 4 Jul, arriving in Chiang Mai.Price includes taxes and charges.From 212 €, select.

Find the cheapest month to fly from Chiang Mai to Seoul

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Chiang Mai to Seoul flights are currently cheapest in August.

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Direct flights from Chiang Mai to Seoul

Alternative Chiang Mai to Seoul routes

Looking for the cheapest, fastest or easiest route from Chiang Mai to Seoul? You could fly into the following airports instead.

Chiang Mai to Seoul: Flight information

The things to know before you go.

Cheapest flight found	132 €
Cheapest month to fly	August
Average flight time	5 hrs, 8 mins
Most popular airline	Korean Air
Average flights per week	54

Finding cheap flights from Chiang Mai to Seoul: Frequently asked questions

How many airports are there in Seoul?

There are 2 airports in Seoul: Gimpo International and Incheon International.

How much are return flights from Chiang Mai to Seoul?

The best price we found for a return flight from Chiang Mai to Seoul is 132 €. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.

How long does it take to fly from Chiang Mai to Seoul?

5 hours and 8 minutes is the average flight time from Chiang Mai to Seoul.

Which airlines fly direct from Chiang Mai to Seoul?

Korean Air, Delta and Thai Airways fly direct from Chiang Mai to Seoul.

How many flights are there a week from Chiang Mai to Seoul?

As of June 2025, there are 54 flights per week flying from Chiang Mai to Seoul.

When is the cheapest time to fly from Chiang Mai to Seoul?

The cheapest month to fly from Chiang Mai to Seoul is usually June 2025.

Which is the cheapest airport to fly into in Seoul?

If you're flying from Chiang Mai Airport, the cheapest airport near Seoul is Incheon International – which is 47.8 km away from the centre of Seoul. We've found flights into this airport from 132 €.

Which upcoming date is cheapest to fly from Chiang Mai Airport to Seoul on?

After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Chiang Mai Airport to Seoul on Wednesday, 20 August 2025.

Can I get a direct flight from Chiang Mai Airport to Seoul?

Yes – the average flight time is 5 hours and 8 minutes.

How can I get the best flight deal from Chiang Mai Airport to Seoul?

We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Seoul but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.

When is the best time to book flights to Seoul?

We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Seoul is around 40 days in advance, so don’t leave your flight to the last minute.

What’s the weather like in Seoul?

In June, the average temperature is usually around 20°C. August is typically the warmest month in Seoul, when it usually averages around 28°C. You can expect the least rain in January. The coldest month is January, with temperatures averaging -8°C. The rainiest month is July.

Which is the cheapest airline to fly from Chiang Mai Airport to Seoul with?

Currently, Eastar Jet offers the cheapest flight tickets to Seoul.

Flying from Chiang Mai International Airport (CNX) to Seoul: what you need to know

Jump on a direct flight from Chiang Mai International Airport to Seoul and you'll be travelling for around 5 hours 45 minutes.
Seoul is two hours ahead of Chiang Mai, where Chiang Mai International Airport is located. Seoul follows the UTC+9 timezone.
The busiest route is from Chiang Mai International Airport (CNX) to Incheon International Airport (ICN). There are 29 services every week between these two airports. If you'd like to take off as soon as possible, the earliest flight from CNX to ICN is the 00:15 Korean Air service. If you'd rather fly out later on, the final departure is at 23:59 with Korean Air.
For a smooth journey, turn up at the airport two hours ahead of international flights and an hour before domestic departures. This will give you enough time to board your CNX to Seoul flight.
Longer lines at check-in and security are likely if you're jetting off during high season, so give yourself some extra wiggle room. A good general rule for peak periods? Get there up to four hours ahead for international flights and two hours for domestic departures.
Direct Chiang Mai International Airport to Seoul tickets are available for booking. Incheon International Airport (ICN) is where you'll step off the plane.
Direct flights from Chiang Mai International Airport to Seoul are operated by a good number of airlines. Get on board with any of these:
We make it a breeze to book plane tickets from CNX to Seoul with a stopover. To see all the options, uncheck 'Direct flights only.' Next, choose a flight with a stop long enough to explore your chosen city. Some popular stopovers include:
- Beijing Capital International Airport (PEK)
- Suvarnabhumi Airport (BKK)
- Hong Kong International Airport (HKG)
Located around 3 kilometres from the centre of Chiang Mai, CNX can be reached in about 10 minutes by car. The journey on public transport takes roughly 25 minutes.
Want a hassle-free start to your trip? Stay near CNX. Whether you're taking an early flight from Chiang Mai International Airport to Seoul or just don't want to be rushed, these hotels have you covered:
76.37% of flights leaving from Chiang Mai International Airport make it to their destination on time.

How to find the cheapest flights from Chiang Mai International Airport (CNX) to Seoul

The best price we've found for a one-way Chiang Mai International Airport to Seoul flight is 65 €. The cheapest price for a return flight is 132 €. Bear in mind fares can change due to availability at the time of booking.
To pick up cheap flights from CNX to Seoul, book your trip two months ahead of your departure.
June is the best month for landing an incredible deal on Chiang Mai International Airport to Seoul tickets. If you need to travel during a different time of year, the 'Whole month' tool will show you the lowest prices for every month.
Snapping up a cheap flight from CNX to Seoul is a breeze with Price Alerts. Simply set up one of these automatic notifications and we'll get in touch when the price has dropped.
Select your ideal arrival and departure times, number of stops and airlines with our filters. Then, sort the results for your flight from Chiang Mai International Airport to Seoul by 'Fastest,' 'Best' or 'Cheapest.'

Airports in Seoul

Incheon International Airport (ICN)

The centre of Seoul is around 48 kilometres from Incheon International Airport (ICN). How long it takes to drive there will vary depending on traffic conditions and time of day, so do some research before your trip.
Getting to the centre on public transport takes about 1 hour 45 minutes.
Book a hotel near ICN if you have a late flight from Chiang Mai International Airport to Seoul. Choose one of these options and make your first night all about rest:
Grab an Incheon International Airport rental car and discover Seoul and beyond with your own set of wheels. WECAR, Hi Rent A Car and Alamo are well-known companies to choose from here.
To lock in the lowest price, reserve your vehicle from Incheon International Airport about four weeks ahead of your flight from CNX to Seoul.

Gimpo International Airport (GMP)

If you're staying in central Seoul (or just want to start sightseeing straight away), the city is around 16 kilometres from Gimpo International Airport (GMP). Look for any visitor information desks for help with directions after hopping off your flight from Chiang Mai International Airport to Seoul.
If you choose to travel on public transport, you'll reach the centre in 1 hour 5 minutes or so.
You'll find some comfortable places ready to welcome you near GMP. Unwind and get cosy after your CNX to Seoul flight at one of these perfectly located options:
The fastest way to reach your destination is with a Gimpo International Airport rental car. Grab your wheels from GOGO Rent a Car, Gogo Rental Car Seoul or Hi Rent A Car and set off in the blink of an eye.
Snap up the best price by reserving your ride from GMP one week ahead of time. You can also expect to have a wider range of vehicles.

Best time to go to Seoul

Before securing your flights from Chiang Mai International Airport to Seoul, consider which time of year is best for you. High season in Seoul offers a bustling atmosphere and plenty of things to do, while the low season brings cheaper deals on hotels and smaller crowds.
Before locking in your Chiang Mai International Airport to Seoul plane ticket, think about what kind of weather you prefer. August is the warmest month in Seoul, with temperatures ranging from 19ºC (66ºF) to 32ºC (90ºF).
If you want to travel in cooler conditions, search for a cheap ticket from CNX to Seoul in January when temperatures average between -12ºC (10ºF) and 4ºC (39ºF).

More about Seoul

When it comes to looking for somewhere to lay your head, you'll find the best stays in Seoul right here. Explore these hotels after locking in your flight from Chiang Mai International Airport to Seoul:
All great adventures should include a little sightseeing. Bukchon Hanok Village, Gyeongbokgung Palace and N Seoul Tower are attractions you won't want to skip in Seoul.

Explore more of South Korea

Seoul has its own special appeal, but there are so many other corners of South Korea you'll want to see. Around 322 kilometres south-east of Seoul, a visit to Busan will keep your itinerary packed. Start with leading attractions like Haeundae Beach, Gamcheon Culture Village and Beomeosa Temple.
Daegu is another must-experience destination in South Korea and is around 241 kilometres south-east of Seoul. No journey is complete without dropping by Duryu Park People's Garden, E-World and Apsan Park.