S$129 Cheap Flights from Seoul to Ulaanbaatar

View S$129 flight on Thu, 18 Dec, 2025Opens in a new window

Popular airlines from Incheon Intl. Airport (ICN) to Ulaanbaatar (UBN-Chinggis Khaan Intl.)

  • Plan, book, fly with confidence

  • trending down icon

    Be in the know

    Get alerts if flight prices drop or rise*
  • bex rewards loyalty icon

    Book smarter

    Save up to 40% on select hotels after you book a flight*
  • payments icon

    Earn twice

    Earn your airline miles on top of our rewards
    Sign in

Cheap Flights from Seoul to Ulaanbaatar (ICN-UBN)

Prices were available within the past 7 days and start at S$129 for one-way flights and S$265 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Jeju Air with Bag
Tue, 20 Jan - Thu, 22 Jan
ICN
Seoul
UBN
Ulaanbaatar
S$265 Return, found 8 hours ago
S$265
Return
found 8 hours ago
Select Jeju Air with Bag flight, departing Tue, 20 Jan from Seoul to Ulaanbaatar, returning Thu, 22 Jan, priced at S$265 found 8 hours ago
Jeju Air
Mon, 22 Sep - Sun, 5 Oct
ICN
Seoul
UBN
Ulaanbaatar
S$300 Return, found 5 days ago
S$300
Return
found 5 days ago
Select Jeju Air flight, departing Mon, 22 Sep from Seoul to Ulaanbaatar, returning Sun, 5 Oct, priced at S$300 found 5 days ago
Jeju Air with Bag
Thu, 22 Jan - Sun, 25 Jan
ICN
Seoul
UBN
Ulaanbaatar
S$325 Return, found 1 hour ago
S$325
Return
found 1 hour ago
Select Jeju Air with Bag flight, departing Thu, 22 Jan from Seoul to Ulaanbaatar, returning Sun, 25 Jan, priced at S$325 found 1 hour ago
T'way Air with baggage
Mon, 22 Sep - Fri, 26 Sep
ICN
Seoul
UBN
Ulaanbaatar
S$339 Return, found 1 day ago
S$339
Return
found 1 day ago
Select T'way Air with baggage flight, departing Mon, 22 Sep from Seoul to Ulaanbaatar, returning Fri, 26 Sep, priced at S$339 found 1 day ago
Hahn Air Systems
Tue, 20 Jan - Thu, 22 Jan
ICN
Seoul
UBN
Ulaanbaatar
S$343 Return, found 8 hours ago
S$343
Return
found 8 hours ago
Select Hahn Air Systems flight, departing Tue, 20 Jan from Seoul to Ulaanbaatar, returning Thu, 22 Jan, priced at S$343 found 8 hours ago
Jeju Air with Bag
Tue, 20 Jan - Thu, 22 Jan
ICN
Seoul
UBN
Ulaanbaatar
S$345 Return, found 8 hours ago
S$345
Return
found 8 hours ago
Select Jeju Air with Bag flight, departing Tue, 20 Jan from Seoul to Ulaanbaatar, returning Thu, 22 Jan, priced at S$345 found 8 hours ago
Jeju Air
Sun, 7 Sep - Sat, 20 Sep
ICN
Seoul
UBN
Ulaanbaatar
S$347 Return, found 5 days ago
S$347
Return
found 5 days ago
Select Jeju Air flight, departing Sun, 7 Sep from Seoul to Ulaanbaatar, returning Sat, 20 Sep, priced at S$347 found 5 days ago
Jeju Air
Tue, 23 Sep - Sun, 5 Oct
ICN
Seoul
UBN
Ulaanbaatar
S$351 Return, found 5 days ago
S$351
Return
found 5 days ago
Select Jeju Air flight, departing Tue, 23 Sep from Seoul to Ulaanbaatar, returning Sun, 5 Oct, priced at S$351 found 5 days ago
Hahn Air Systems
Tue, 20 Jan - Thu, 22 Jan
ICN
Seoul
UBN
Ulaanbaatar
S$353 Return, found 8 hours ago
S$353
Return
found 8 hours ago
Select Hahn Air Systems flight, departing Tue, 20 Jan from Seoul to Ulaanbaatar, returning Thu, 22 Jan, priced at S$353 found 8 hours ago
T'Way Air
Mon, 8 Sep - Fri, 26 Sep
ICN
Seoul
UBN
Ulaanbaatar
S$353 Return, found 5 days ago
S$353
Return
found 5 days ago
Select T'Way Air flight, departing Mon, 8 Sep from Seoul to Ulaanbaatar, returning Fri, 26 Sep, priced at S$353 found 5 days ago

Find the cheapest month to fly from Seoul (ICN) to Ulaanbaatar (UBN)

April is typically the cheapest month to fly

From S$245 - S$522 per traveller.

Graph displaying average flight prices per month

Seoul to Ulaanbaatar route information
Origin airport
Incheon Intl.
Destination airport
Chinggis Khaan Intl.
Airlines serving
Asiana Airlines, Hahn Air Systems, Jeju Air with Bag, Korean Air, MIAT Mongolian Airlines, T'way Air with baggage
Return price
S$265
Distance
1945 km
Average flight time
2 hours 33 mins

Perfect flights from Seoul to Ulaanbaatar

Your Journey from Seoul to Ulaanbaatar

Start your unforgettable journey with Expedia. Our broad selection of flights from Seoul to Ulaanbaatar 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 Jeju Air with Bag, Hahn Air Systems, T'way Air with baggage, MIAT Mongolian Airlines, Asiana Airlines, Jeju Air, T'Way Air. Our selection of flights from Incheon Intl. to Chinggis Khaan 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 Ulaanbaatar Flights

Experience the joy of finding cheap flights from Incheon Intl. to Chinggis Khaan Intl. that fit your budget. Keep an eye out for our special deals and discounts, and check our flexible one-way fares from S$129 and roundtrip prices from S$265*.
 

Pre-Flight Essentials

Ensure a smooth journey from Seoul to Ulaanbaatar 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 Ulaanbaatar

Picture yourself stepping off the plane in Ulaanbaatar and immersing yourself in the unique atmosphere of Sergelen. 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 Ulaanbaatar 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 Ulaanbaatar.
 

Beyond the Flight – Exploring Ulaanbaatar

With Expedia, your adventure extends beyond the flight. Explore Ulaanbaatar 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 Ulaanbaatar 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 Ulaanbaatar with confidence. Book your travel arrangements with Expedia today.
 
*Note: Prices may vary based on availability and are subject to change.

Explore a world of travel with Expedia

*Available to Expedia members.