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Departure·1 pax, Economy

Cheapest flights for Seoul – Ulaanbaatar (SEL – UBN)

Aviasales.ge will find you the cheapest airfare for Seoul – Ulaanbaatar by comparing the ticket prices to Ulaanbaatar using 45 agencies, five booking systems, and 728 airlines. Where exactly you buy your tickets for Seoul – Ulaanbaatar is up to you.

Seoul – Ulaanbaatar is most popular in August. During this period the average ticket price is 649.

Direct flight for from Seoul to Ulaanbaatar

The easiest way to to get to your destination is a direct flight. Direct flights for from Seoul to Ulaanbaatar are offered by:

  • Korean Air (daily KE197)
  • MIAT Mongolian Airlines (daily OM5302)
  • Jeju Air (5 days per week, flight 7C5203)
  • Asiana Airlines (5 days per week, flight OZ567)
  • T'way Air (4 days per week, flight TW421)
  • Aero Mongolia (3 days per week, flight M0602)

Ulaanbaatar is served by 1 airport: Chinggis Khaan International Airport. Direct flights for Seoul – Ulaanbaatar are operated by:
  • Asiana Airlines, T'way Air, Korean Air, Jeju Air, Aero Mongolia, MIAT Mongolian Airlines from Incheon International Airport to Chinggis Khaan International Airport
Flight with layover for the route from Seoul to Ulaanbaatar

The lowest prices for flights with layovers are offered by Jeju Air with a layover in Busan. Tickets start at 295.

Affordable and convenient options are also available from:

  • Jin Air (starting at 458 with a layover in Busan)

A flight with a layover on the route Seoul – Ulaanbaatar will allow you to make your trip more interesting. The layover could be in:

  • Beijing (flight KE2201 Korean Air)
  • Busan (flight KE1807 Korean Air)

This is a great chance to get to know these cities. Layovers are usually at least six hours.

Aviasales.ge suggests buying tickets for Seoul – Ulaanbaatar in advance in order to choose the conditions for your flight that best suit your preferences and budget.

General information on flight Seoul – Ulaanbaatar (SEL – UBN)
3 ⁠hr 29 ⁠min
Average flight duration
1,999 km
Distance
1 ⁠hr
Current time difference
67
Number of flights per week
₾198
Lowest price
₾0
Average ticket price
08:10
Earliest flight out
01:50
Latest flight out

Ticket prices for Seoul – Ulaanbaatar by month *

Month One-way Round-trip
August 2025 27.08.2025
01.08 - 08.08.2025

* Prices found by users over the last 48 hours (they do not represent an offer).

Cheapest flight for from Seoul to Ulaanbaatar found by our users over the last 48 hours: ticket with Jeju Air with a departure on 27.08.2025 and a price of 295 GEL.
Fastest flight for from Seoul to Ulaanbaatar: ticket with Aero Mongolia with the nearest departure on 11.08.2025 and a flight duration of 2hrs. 50min..
Airlines flying from Seoul to Ulaanbaatar
Airports serving Seoul – Ulaanbaatar

Seoul airports serving flights to Ulaanbaatar:

  • Incheon International Airport (ICN)

Ulaanbaatar airports accepting flights from Seoul:

  • Chinggis Khaan International Airport (UBN)