Cheap Flights from Ulaanbaatar to Seoul from AU$ 202

Flight FAQs

• Which airlines offer the cheapest flights from Ulaanbaatar (ULN) to Seoul (SEL)?

  Based on Trip.com data, Jeju Air offers one-way fares as low as AU$ 202 on Cheapest nonstop routes (e.g. UBN to ICN on Thu, May 7), while Jeju Air offers Cheapest nonstop round-trips from AU$ 278 departing on Tue, Apr 21 and returning on Thu, Apr 23.

• Which airlines offer direct flights from Ulaanbaatar to Seoul?

  At the moment, you can catch a direct flight from Ulaanbaatar to Seoul with the following airlines, including: Miat Mongolian Airlines Jeju Air Korean Air Asiana Airlines T'Way Air Selected airlines are based on historical data collected from flight bookings users made on Trip.com within the last 90 days.

• How long is the flights from Ulaanbaatar (ULN) to Seoul (SEL)?

  It takes about 3 hours 12 minutes to fly from Ulaanbaatar (ULN) to Seoul (SEL).

• When is the best time to book flights from Ulaanbaatar to Seoul?

  By analyzing data from all airlines on the Trip.com flight calendar, it looks like the best time to book a flight from Ulaanbaatar to Seoul is around 40 days (6 weeks) in advance, and the best time to fly is usually on Tuesday, Wednesday, and Saturday. Tuesday typically offers the cheapest flights for departure, while Saturday offers the best return deals.

• How many flights are there per week from Ulaanbaatar to Seoul?

  Based on Trip.com data in the past 4 weeks, there is 38 flight per week flying from Ulaanbaatar to Seoul. You can check the weekly schedule for popular airlines on this route below: Miat Mongolian Airlines: S/M/T/W/T/F/S -- OM301 (07:59) Korean Air: S/M/T/W/T/F/S -- KE5868 (07:59)

• How can I find the best deals on flights from Ulaanbaatar to Seoul?

  To find best deals on flights from Ulaanbaatar to Seoul, you can use various tools on Trip.com:
  · Be flexible with your travel dates to get the cheapest flight deal. Now the cheapest flight deal is on Thu, May 7, with one-way flights priced at just AU$ 202.
  · Compare airlines strategically. Budget carriers often provide the lowest base fares, while we found the most affordable airline currently operating on this route is Jeju Air.
  · Set up price alerts to easily monitor ticket prices without having to check every day.
  · Check Trip.com flight deals and promo codes frequently.
  · Avoid peak season unless you book very early. It seems the peak season for Seoul travel is around August.
  · Get exclusive promo codes for Trip.com app users.

• When is the best time to book a flight from Ulaanbaatar to Seoul to get the best price?

  The cheapest months to fly from Ulaanbaatar to Seoul is September, when demand for travel is lower.

• Which upcoming date is the cheapest for flights from Ulaanbaatar to Seoul?

  After crunching the numbers on our March flight calendar, it's currently cheapest to fly from Ulaanbaatar to Seoul on March 19, 2026 with Jeju Air, with prices starting at AU$ 292.

• Which airports can I fly through when travelling to Seoul from Ulaanbaatar?

  You can land at any one of the following hubs in Seoul, with Chinggis Khaan International Airport to Incheon International Airport (UBN-ICN) is by far the most common option on this route: Gimpo International Airport (GMP) Incheon International Airport (ICN).

• What is the time difference between Ulaanbaatar and Seoul?

  The time difference between Seoul and Ulaanbaatar is 1h.

• How can I change or cancel my flight ticket from Ulaanbaatar to Seoul?

  Tickets can only be changed or cancelled if permitted by airline policy. To submit a change or cancellation request, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and segment, and submit a request. Please note that additional charges may apply according to the airline ticket policy. However, if the flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please check the customer support pages.