HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Ulaanbaatar

Cheap flights from Seoul (SEL) to Ulaanbaatar (ULN)

SEL — ULN
Mar 14 — Mar 211
Sat 3/14
Sat 3/21
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Seoul to Ulaanbaatar with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Find flight deals from Seoul to Ulaanbaatar

Discover tips and strategies to find the most affordable flight options for your journey from Seoul (SEL) to Ulaanbaatar (ULN). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated February 12, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Good round-trip deal

$339 or less

Good one-way deal

$258 or less
Provider with most accurate pricing for Seoul (SEL)-Ulaanbaatar Buyant Ukhaa flight deals.
Search Deals
Provider most trusted by Cheapflights users for Seoul (SEL)-Ulaanbaatar Buyant Ukhaa flights.
Search Deals
Price to beat on a round-trip flight from Seoul (SEL) to Ulaanbaatar Buyant Ukhaa.
Search Deals
Price to beat on a one-way flight from Seoul (SEL) to Ulaanbaatar Buyant Ukhaa.
Search Deals
  • Most accurate provider: When it comes to deals on Seoul-Ulaanbaatar flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Seoul-Ulaanbaatar flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Seoul-Ulaanbaatar flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Seoul-Ulaanbaatar flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Seoul-Ulaanbaatar flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Seoul to Ulaanbaatar

Have a flexible travel schedule? Discover the best time to fly to Ulaanbaatar from Seoul with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Seoul to Ulaanbaatar

What is the cheapest month to book a flight from Seoul to Ulaanbaatar?

Currently, April is the cheapest month in which you can book a flight from Seoul to Ulaanbaatar (average of $152). Flying from Seoul to Ulaanbaatar in July is currently the most expensive (average of $297). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Related info for your journey

Find useful and relevant information for your journey from Seoul to Ulaanbaatar. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Ulaanbaatar from Seoul?

    Most people fly into Ulaanbaatar Buyant Ukhaa (ULN) if they book a flight to Ulaanbaatar from Seoul. On average, Buyant Ukhaa has 0 inbound flights from Seoul per day from 0 airlines. Ulaanbaatar Buyant Ukhaa is conveniently located just 8.1 mi from Ulaanbaatar’s city center.

  • Can I find deals for flights from Seoul to Ulaanbaatar that include hotel bookings?

    Yes. In addition to deals on Seoul to Ulaanbaatar flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Seoul to Ulaanbaatar?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Seoul to Ulaanbaatar.

  • Can I find deals for business class flights from Seoul to Ulaanbaatar?

    Yes. Cheapflights offers flight deals from Seoul to Ulaanbaatar by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Seoul to Ulaanbaatar?

    Currently, April is the cheapest month in which you can book a flight from Seoul to Ulaanbaatar (average of $152). Flying from Seoul to Ulaanbaatar in July is currently the most expensive (average of $297). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Seoul to Ulaanbaatar

See prices for flight routes from nearby airports that may be better suited for you.
Incheon Intl to Ulaanbaatar flights

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.
Site
©2026 Cheapflights