Cheap Flights from Seoul to Chiang Mai from 148 €

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Find the cheapest month or even day of the year to fly to Chiang Mai

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Flight deals from Seoul to Chiang Mai

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

Chiang Mai.148 € per passenger.Departing Wed, 26 Mar, returning Fri, 28 Mar.Return flight with Jeju Air.Outbound direct flight with Jeju Air departs from Incheon International on Wed, 26 Mar, arriving in Chiang Mai.Inbound direct flight with Jeju Air departs from Chiang Mai on Fri, 28 Mar, arriving in Incheon International.Price includes taxes and charges.From 148 €, select.

Chiang Mai.162 € per passenger.Departing Sat, 29 Mar, returning Sun, 20 Apr.Return flight with Jeju Air.Outbound direct flight with Jeju Air departs from Incheon International on Sat, 29 Mar, arriving in Chiang Mai.Inbound direct flight with Jeju Air departs from Chiang Mai on Sun, 20 Apr, arriving in Incheon International.Price includes taxes and charges.From 162 €, select.

Chiang Mai.162 € per passenger.Departing Wed, 26 Mar, returning Thu, 26 Jun.Return flight with Jeju Air.Outbound direct flight with Jeju Air departs from Incheon International on Wed, 26 Mar, arriving in Chiang Mai.Inbound direct flight with Jeju Air departs from Chiang Mai on Thu, 26 Jun, arriving in Incheon International.Price includes taxes and charges.From 162 €, select.

Chiang Mai.164 € per passenger.Departing Sat, 29 Mar, returning Wed, 21 May.Return flight with Jeju Air.Outbound direct flight with Jeju Air departs from Incheon International on Sat, 29 Mar, arriving in Chiang Mai.Inbound direct flight with Jeju Air departs from Chiang Mai on Wed, 21 May, arriving in Incheon International.Price includes taxes and charges.From 164 €, select.

Chiang Mai.176 € per passenger.Departing Tue, 2 Sep, returning Wed, 3 Sep.Return flight with Jin Air.Outbound direct flight with Jin Air departs from Incheon International on Tue, 2 Sep, arriving in Chiang Mai.Inbound direct flight with Jin Air departs from Chiang Mai on Wed, 3 Sep, arriving in Incheon International.Price includes taxes and charges.From 176 €, select.

Chiang Mai.176 € per passenger.Departing Mon, 25 Aug, returning Wed, 3 Sep.Return flight with Jin Air.Outbound direct flight with Jin Air departs from Incheon International on Mon, 25 Aug, arriving in Chiang Mai.Inbound direct flight with Jin Air departs from Chiang Mai on Wed, 3 Sep, arriving in Incheon International.Price includes taxes and charges.From 176 €, select.

Chiang Mai.178 € per passenger.Departing Thu, 29 May, returning Thu, 26 Jun.Return flight with Jeju Air.Outbound direct flight with Jeju Air departs from Incheon International on Thu, 29 May, arriving in Chiang Mai.Inbound direct flight with Jeju Air departs from Chiang Mai on Thu, 26 Jun, arriving in Incheon International.Price includes taxes and charges.From 178 €, select.

Chiang Mai.178 € per passenger.Departing Wed, 7 May, returning Wed, 14 May.Return flight with Eastar Jet.Outbound direct flight with Eastar Jet departs from Incheon International on Wed, 7 May, arriving in Chiang Mai.Inbound direct flight with Eastar Jet departs from Chiang Mai on Wed, 14 May, arriving in Incheon International.Price includes taxes and charges.From 178 €, select.

Find the cheapest month to fly from Seoul to Chiang Mai

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

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Direct flights from Seoul to Chiang Mai

Seoul to Chiang Mai: Alternative routes

Compare routes from Seoul to Chiang Mai below. You may find an airport to fly into that's cheaper, faster, or easier than Chiang Mai.

Seoul to Chiang Mai: Flight information

The things to know before you go.

Cheapest flight found	148 €
Cheapest month to fly	March
Average flight time	5 hrs, 56 mins
Most popular airline	Korean Air
Average flights per week	69

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

How much are return flights from Seoul to Chiang Mai?

The best price we found for a return flight from Seoul to Chiang Mai is 148 €. 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 Seoul to Chiang Mai?

5 hours and 56 minutes is the average flight time from Seoul to Chiang Mai.

Which airlines fly direct from Seoul to Chiang Mai?

Korean Air, Delta and Asiana Airlines fly direct from Seoul to Chiang Mai.

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

As of March 2025, there are 75 flights per week flying from Seoul to Chiang Mai.

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

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

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

After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Seoul to Chiang Mai Airport on Wednesday, 26 March 2025.

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

Yes – the average flight time is 5 hours and 56 minutes.

How can I find the best flight deal to Chiang Mai?

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 Chiang Mai 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 Chiang Mai?

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

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

The cheapest airline that flies to Chiang Mai is Jeju Air .

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

There are two main airports to choose from in Seoul. Check out your options departing from Incheon International Airport (ICN) or Gimpo International Airport (GMP) when organising your flight from Seoul to Chiang Mai International Airport (CNX).
5 hours 50 minutes is the average journey time for a direct flight from Seoul to Chiang Mai International Airport.
Chiang Mai International Airport is located in Chiang Mai. The city operates in the UTC+7 timezone and is 2 hours behind Seoul.
The busiest route is from Incheon International Airport (ICN) to Chiang Mai International Airport (CNX), with 38 direct weekly services. If you want to head off as soon as possible, the earliest flight from ICN to CNX is the 17:10 Korean Air option. If you prefer to leave later in the day, the final departure is at 19:40 with Asiana Airlines.
Leave plenty of time to catch your flight from Seoul to CNX. As a rule of thumb, arrive two hours before international departures and an hour ahead for domestic flights.
Head to the airport even earlier during popular months like July. Aim for two hours before a domestic departure and four hours ahead of international flights. Once you've checked in, you can use any extra time to relax or grab something to eat.

Gimpo International Airport (GMP)

Gimpo International Airport (GMP) operates nonstop flights from Seoul to Chiang Mai International Airport (CNX).
When setting off from GMP, you can choose from numerous airlines that fly nonstop to your destination. Book your ticket on a direct flight from Seoul to CNX with one of these:
Visit family or friends or just take a moment to freshen up with a stopover. If you'd like to break up your flight from Seoul to Chiang Mai International Airport, check out these options when taking off from Gimpo International Airport:
- Taiwan Taoyuan International Airport (TPE)
- Hong Kong International Airport (HKG)
- Suvarnabhumi Airport (BKK)
GMP is roughly 16 kilometres from central Seoul. Plan ahead to find the easiest way to get to your terminal.
Want to treat yourself to an extra night away before boarding your flight from Seoul to CNX? Check in to a hotel near Gimpo International Airport before your adventure officially starts. Consider one of these stays:

About Chiang Mai International Airport (CNX)

The last thing you need is a long journey to your hotel if you're arriving on a late flight from Seoul to Chiang Mai International Airport. Reserve one of these accommodation options near CNX instead:

Getting from Chiang Mai International Airport (CNX) to central Chiang Mai

Chiang Mai International Airport is approximately 5 kilometres from the centre of Chiang Mai. With your own car rental or in a cab, the drive is around 10 minutes.
Travelling by public transport takes roughly 23 minutes.

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

The best price we've seen for a one-way ticket from Seoul to Chiang Mai International Airport is 58 €. The cheapest price for a return flight is 148 €. Keep in mind fares can change due to demand at the time of booking.
To secure cheap tickets from Seoul to CNX, reserve your trip 9 months ahead of your planned departure.
June is the cheapest month for tickets from Seoul to Chiang Mai International Airport. If you need to travel during a different time of year, use the 'Whole month' search feature to see the lowest prices for each month.
Set up a Price Alert for cheap tickets from Seoul to CNX. You don't need to check back in every day to see whether fares have dropped. We'll update you when the price changes.
Use the filters to tailor your flights from Seoul to Chiang Mai International Airport. Pick your preferred arrival and departure times, number of stops and airlines. You can also sort your results by 'Cheapest' to get the best deals.

The best time to fly from Seoul to Chiang Mai International Airport (CNX)

It's time to work out your travel dates for your flight from Seoul to Chiang Mai International Airport. August is the busiest month to visit Chiang Mai. If you like a more peaceful vibe, go in February.
Think about the kind of weather that'll suit your plans for Chiang Mai. The warmest month is April. Book your flights from Seoul to CNX sometime then and you can expect temperatures of between 22ºC and 42ºC.
Travel in January if you want cooler conditions. Average temperatures range between 12ºC and 31ºC. However, this destination delivers on a good time whenever you book your cheap flights from Seoul to Chiang Mai International Airport.

More about Chiang Mai

Start your Chiang Mai trip right by choosing the perfect place to stay. As soon as you've booked your flight from Seoul to Chiang Mai International Airport, explore our range of accommodation options including:
All great journeys should include some sightseeing. Doi Suthep, Kalare Night Bazaar and Wat Phra Singh are must-visits when exploring Chiang Mai.

Complete your Chiang Mai trip with a car rental

Once you've locked in your hotel and cheap flight from Seoul to Chiang Mai International Airport, the next task is choosing one of our car rentals in Chiang Mai. Check out the exclusive deals and instantly compare your options on price, pick-up convenience, fuel policies, and more.