Cheap Flights from Busan to Ulaanbaatar from $143

Frequently Asked Questions

• What are the cheapest flights from Busan to Ulaanbaatar (PUS-ULN)?

  Based on Trip.com data, Air Busan offers one-way fares as low as $143 on Cheapest nonstop routes (e.g. PUS to UBN on Wed, Jun 10), while Jeju Air offers Cheapest nonstop round-trips from $266 departing on Wed, Jul 22 and returning on Sat, Jul 25.

• Which airlines offer direct flights from Busan to Ulaanbaatar?

  At the moment, you can catch a nonstop flight from Busan to Ulaanbaatar with the following airlines, including: Air Busan Jeju Air Jin Air Selected airlines are based on historical data collected from flight bookings users made on Trip.com within the last 90 days.

• How long does it take to fly from Busan (PUS) to Ulaanbaatar (ULN) and what is the distance?

  It takes around 4 hours 4 minutes to fly from Busan (PUS) to Ulaanbaatar (ULN).

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

  By analyzing data from all airlines on the Trip.com flight calendar, it looks like the best time to book a flight from Busan to Ulaanbaatar 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 Busan to Ulaanbaatar?

  Based on Trip.com data in the past 4 weeks, there is 6 flight per week flying from Busan to Ulaanbaatar. You can check the weekly schedule for popular airlines on this route below: Jeju Air: -/-/T/W/-/F/S -- 7C5257 (21:34) Jin Air: S/-/-/-/T/-/- -- LJ781 (21:49)

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

  To find best deals on flights from Busan to Ulaanbaatar, 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 Wed, Jun 10, with one-way flights priced at just $143.
  · Compare airlines strategically. Budget carriers often provide the lowest base fares, while we found the most affordable airline currently operating on this route is Air Busan.
  · 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 Ulaanbaatar travel is around July.
  · Get exclusive promo codes for Trip.com app users.

• When are flight tickets from Busan (PUS) to Ulaanbaatar (ULN) the cheapest?

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

• Which upcoming date is cheapest to fly from Busan to Ulaanbaatar on?

  After crunching the numbers on our June flight calendar, it's currently cheapest to fly from Busan to Ulaanbaatar on June 21, 2026 with Jeju Air, with prices starting at $91.

• Which airports can I fly to for Ulaanbaatar from Busan?

  You can land at any one of the following hubs in Ulaanbaatar, with Gimhae International Airport to Chinggis Khaan International Airport (PUS-UBN) is by far the most common option on this route: Buyant Ukhaa International Airport (ULN) Chinggis Khaan International Airport (UBN).

• Is there any time difference between Busan and Ulaanbaatar?

  The time difference between Ulaanbaatar and Busan is 1h.

• How do I change or cancel my ticket from Busan to Ulaanbaatar?

  Tickets can only be changed or canceled 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.