RM420 Cheap Flights from Seoul (ICN) to Bangkok (DMK)

View RM420 flight on Wed, 21 Jan 2026Opens in a new window

Popular airlines from Incheon Intl. Airport (ICN) to Don Mueang Intl. Airport (DMK)

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Cheap Flights from Seoul to Bangkok (ICN-DMK)

Prices were available within the past 7 days and start at RM420 for one-way flights and RM649 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Thai AirAsia X
Wed, 6 May - Tue, 19 May
ICN
Seoul
DMK
Bangkok
RM649 Return, found 3 days ago
RM649
Return
found 3 days ago
Select Thai AirAsia X flight, departing Wed, 6 May from Seoul to Bangkok, returning Tue, 19 May, priced at RM649 found 3 days ago
Thai AirAsia X
Tue, 10 Feb - Thu, 26 Feb
ICN
Seoul
DMK
Bangkok
RM819 Return, found 4 days ago
RM819
Return
found 4 days ago
Select Thai AirAsia X flight, departing Tue, 10 Feb from Seoul to Bangkok, returning Thu, 26 Feb, priced at RM819 found 4 days ago
Thai AirAsia X
Tue, 10 Feb - Thu, 26 Feb
ICN
Seoul
DMK
Bangkok
RM915 Return, found 4 days ago
RM915
Return
found 4 days ago
Select Thai AirAsia X flight, departing Tue, 10 Feb from Seoul to Bangkok, returning Thu, 26 Feb, priced at RM915 found 4 days ago
Thai AirAsia X
Thu, 5 Feb - Thu, 12 Feb
ICN
Seoul
DMK
Bangkok
RM986 Return, found 5 days ago
RM986
Return
found 5 days ago
Select Thai AirAsia X flight, departing Thu, 5 Feb from Seoul to Bangkok, returning Thu, 12 Feb, priced at RM986 found 5 days ago
Thai AirAsia X
Tue, 10 Feb - Wed, 25 Feb
ICN
Seoul
DMK
Bangkok
RM987 Return, found 4 days ago
RM987
Return
found 4 days ago
Select Thai AirAsia X flight, departing Tue, 10 Feb from Seoul to Bangkok, returning Wed, 25 Feb, priced at RM987 found 4 days ago
Thai AirAsia X
Tue, 10 Feb - Sat, 28 Feb
ICN
Seoul
DMK
Bangkok
RM1,013 Return, found 4 days ago
RM1,013
Return
found 4 days ago
Select Thai AirAsia X flight, departing Tue, 10 Feb from Seoul to Bangkok, returning Sat, 28 Feb, priced at RM1,013 found 4 days ago
Thai AirAsia X
Tue, 10 Feb - Sat, 28 Feb
ICN
Seoul
DMK
Bangkok
RM1,041 Return, found 4 days ago
RM1,041
Return
found 4 days ago
Select Thai AirAsia X flight, departing Tue, 10 Feb from Seoul to Bangkok, returning Sat, 28 Feb, priced at RM1,041 found 4 days ago
Thai Lion Mantari
Wed, 6 May - Tue, 19 May
ICN
Seoul
DMK
Bangkok
RM1,097 Return, found 3 days ago
RM1,097
Return
found 3 days ago
Select Thai Lion Mantari flight, departing Wed, 6 May from Seoul to Bangkok, returning Tue, 19 May, priced at RM1,097 found 3 days ago
Thai AirAsia X
Mon, 2 Feb - Sun, 8 Feb
ICN
Seoul
DMK
Bangkok
RM1,101 Return, found 4 days ago
RM1,101
Return
found 4 days ago
Select Thai AirAsia X flight, departing Mon, 2 Feb from Seoul to Bangkok, returning Sun, 8 Feb, priced at RM1,101 found 4 days ago
Korean Air
Thu, 8 Jan - Wed, 14 Jan
ICN
Seoul
DMK
Bangkok
RM3,644 Return, found 4 days ago
RM3,644
Return
found 4 days ago
Select Korean Air flight, departing Thu, 8 Jan from Seoul to Bangkok, returning Wed, 14 Jan, priced at RM3,644 found 4 days ago
Seoul to Bangkok route information
Origin airport
Incheon Intl.
Destination airport
Don Mueang Intl.
Airlines serving
Thai Lion Mantari
Return price
RM649
Distance
3635 km
Average flight time
6 hours 10 mins

Perfect flights from Seoul to Bangkok

Your Journey from Seoul to Bangkok

Start your unforgettable journey with Expedia. Our broad selection of flights from Seoul to Bangkok caters to every travel need. Whether you're yearning for a romantic escape, a solo adventure, or a cultural immersion, we've got you covered.
 

Choosing Your Ideal Flight

With Expedia, you have access to a wide range of airlines, including Thai AirAsia X, Thai Lion Mantari, Korean Air. Our selection of flights from Incheon Intl. to Don Mueang Intl. caters to every traveler's requirements, ensuring your journey aligns with your schedule. With options from 20 airlines, you're bound to find the perfect flight.
 

Maximizing Value with Seoul to Bangkok Flights

Experience the joy of finding cheap flights from Incheon Intl. to Don Mueang Intl. that fit your budget. Keep an eye out for our special deals and discounts, and check our flexible one-way fares from RM420 and roundtrip prices from RM649*.
 

Pre-Flight Essentials

Ensure a smooth journey from Seoul to Bangkok with Expedia. From information about check-in times and in-flight amenities to guidance on baggage policies, we provide all the essentials to prepare you for your flight.
 

Experience the Vibrant Bangkok

Picture yourself stepping off the plane in Bangkok and immersing yourself in the unique atmosphere of . From local markets to cultural festivals, each city offers its distinct charm. Make the most of your trip by exploring local attractions and indulging in the local cuisine. With Expedia, explore all this and more, tailored to your budget.
 

Added Convenience on Your Seoul to Bangkok Flight

Traveling with Expedia is more than just a flight. We offer details about in-flight amenities, baggage policies, and more to ensure a smooth and hassle-free journey. Choose from our variety of airlines and embark on a memorable journey from Seoul to Bangkok.
 

Beyond the Flight – Exploring Bangkok

With Expedia, your adventure extends beyond the flight. Explore Bangkok at your own pace by renting a car or booking a hotel. Discover hidden gems off the beaten path and create unforgettable memories.
 

Book Your Flight from Seoul to Bangkok with Confidence

Planning your next great adventure is a breeze with Expedia. Our user-friendly platform, unbeatable prices, and round-the-clock customer support make your travel experience seamless and stress-free. Embark on your journey from Seoul to Bangkok with confidence. Book your travel arrangements with Expedia today.
 
*Note: Prices may vary based on availability and are subject to change.

Frequently asked questions

How much is a flight from Incheon Airport to Don Mueang Airport?
Round-trip journeys between Incheon Airport and Don Mueang Airport start from RM649. This price is based on fares advertised within the last 7 days on Expedia for flights departing within the next year — book today to avoid missing out. 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 Don Mueang Airport?
Most flights can be conveniently cancelled online, but whether you incur a fee differs between airlines. If you do have to cancel your escape, follow the easy instructions in the Customer Service Portal.
How do I find cheap flights from ICN to DMK 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 DMK flights, you'll see a "no change fees" filter for you to select.
How far is the flight from Incheon Airport to Don Mueang Intl. Airport (DMK)?
You'll be up above the clouds for a while, as the flight distance between South Korea and Bangkok is 3,700 kilometres. Create a playlist of your favourite podcasts before you leave home to keep yourself entertained during your flight.
Which airlines fly direct from Seoul–Incheon Intl. Airport to Don Mueang Intl. Airport (DMK)?
If you want to fly straight from Incheon Airport to Don Mueang Airport, you'll need to book a flight with at least one stop. Unfortunately, there aren't any airlines that fly directly on this route.
Are ICN to Don Mueang Airport flight tickets cheaper when they're purchased at the last minute?
Late planners can sometimes pick up a bargain, with some super cheap fares from ICN to Don Mueang Intl. Airport (DMK) emerging a few weeks before the date of departure. If you'd rather book ahead of time, Expedia compares and updates all the best flight deals continuously — as early as a year in advance in some cases. It depends on the carrier though, as not all airlines publish prices that far in advance.

Explore a world of travel with Expedia

*Available to Expedia members.