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Flights from Busan to Ulaanbaatar

Search for direct flights from Busan to Ulaanbaatar in the next 3 months. Based on Trip.com's latest 7-day flight data, one-way direct flights start at US$141, and round-trip direct flights start at US$298.

      • Cheapest nonstop
        PUS 21:40
        3h 50m
        Nonstop
        UBN 00:30
        Busan - Ulaanbaatar | Mon, Sep 14 | Jin Air
        UBN 01:30
        3h 40m
        Nonstop
        PUS 06:10
        Ulaanbaatar - Busan | Sat, Sep 19 | Jin Air
        US$298 US$420
        28% off
        28% off
        US$420 US$298
      • PUS 21:35
        4h
        Nonstop
        UBN 00:35
        Busan - Ulaanbaatar | Wed, Sep 9 | Jeju Air
        UBN 01:35
        3h 40m
        Nonstop
        PUS 06:15
        Ulaanbaatar - Busan | Fri, Sep 11 | Jeju Air
        US$298 US$420
        28% off
        28% off
        US$420 US$298
      • PUS 21:35
        4h
        Nonstop
        UBN 00:35
        Busan - Ulaanbaatar | Thu, Sep 10 | Jeju Air
        UBN 01:35
        3h 40m
        Nonstop
        PUS 06:15
        Ulaanbaatar - Busan | Mon, Sep 14 | Jeju Air
        US$302 US$420
        28% off
        28% off
        US$420 US$302
      • PUS 21:35
        4h
        Nonstop
        UBN 00:35
        Busan - Ulaanbaatar | Sat, Sep 12 | Jeju Air
        UBN 01:35
        3h 40m
        Nonstop
        PUS 06:15
        Ulaanbaatar - Busan | Mon, Sep 14 | Jeju Air
        US$315
        25% off
        US$420 US$315
      • PUS 21:35
        4h
        Nonstop
        UBN 00:35
        Busan - Ulaanbaatar | Sun, Sep 13 | Jeju Air
        UBN 01:50
        3h 30m
        Nonstop
        PUS 06:20
        Ulaanbaatar - Busan | Sat, Sep 19 | Air Busan
        US$316
        25% off
        US$420 US$316
      • PUS 21:35
        4h
        Nonstop
        UBN 00:35
        Busan - Ulaanbaatar | Wed, Sep 16 | Jeju Air
        UBN 01:50
        3h 30m
        Nonstop
        PUS 06:20
        Ulaanbaatar - Busan | Sat, Sep 19 | Air Busan
        US$316
        25% off
        US$420 US$316
      • PUS 21:35
        4h
        Nonstop
        UBN 00:35
        Busan - Ulaanbaatar | Sat, Sep 5 | Jeju Air
        UBN 01:50
        3h 30m
        Nonstop
        PUS 06:20
        Ulaanbaatar - Busan | Sat, Sep 12 | Air Busan
        US$317
        25% off
        US$420 US$317
      • PUS 21:35
        4h
        Nonstop
        UBN 00:35
        Busan - Ulaanbaatar | Thu, Sep 17 | Jeju Air
        UBN 01:35
        3h 40m
        Nonstop
        PUS 06:15
        Ulaanbaatar - Busan | Mon, Sep 21 | Jeju Air
        US$320
        24% off
        US$420 US$320
      • PUS 22:00
        3h 50m
        Nonstop
        UBN 00:50
        Busan - Ulaanbaatar | Tue, Sep 15 | Air Busan
        UBN 01:50
        3h 30m
        Nonstop
        PUS 06:20
        Ulaanbaatar - Busan | Sat, Sep 19 | Air Busan
        US$321
        24% off
        US$420 US$321
      • PUS 21:35
        4h
        Nonstop
        UBN 00:35
        Busan - Ulaanbaatar | Sat, Sep 19 | Jeju Air
        UBN 01:35
        3h 40m
        Nonstop
        PUS 06:15
        Ulaanbaatar - Busan | Thu, Sep 24 | Jeju Air
        US$323
        23% off
        US$420 US$323
      • PUS 13:00
        17h 25m
        1 stop
        ULN 14:00
        Busan - Ulaanbaatar | Thu, Jul 23 | Normal Airline
        ULN 15:00
        6h
        Nonstop
        PUS 16:00
        Ulaanbaatar - Busan | Sat, Jul 25 | Normal Airline
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      • Cheapest nonstop
        PUS 21:40
        3h 50m
        Nonstop
        UBN 00:30
        Busan - Ulaanbaatar | Mon, Sep 14 | Jin Air
        US$141 US$208
        32% off
        32% off
        US$208 US$141
      • PUS 21:55
        3h 55m
        Nonstop
        UBN 00:50
        Busan - Ulaanbaatar | Fri, Sep 11 | Air Busan
        US$146 US$208
        30% off
        30% off
        US$208 US$146
      • PUS 21:35
        4h
        Nonstop
        UBN 00:35
        Busan - Ulaanbaatar | Sat, Sep 5 | Jeju Air
        US$148 US$208
        28% off
        28% off
        US$208 US$148
      • PUS 21:35
        4h
        Nonstop
        UBN 00:35
        Busan - Ulaanbaatar | Sat, Sep 12 | Jeju Air
        US$148
        28% off
        US$208 US$148
      • PUS 21:35
        4h
        Nonstop
        UBN 00:35
        Busan - Ulaanbaatar | Sun, Sep 13 | Jeju Air
        US$148
        28% off
        US$208 US$148
      • PUS 21:35
        4h
        Nonstop
        UBN 00:35
        Busan - Ulaanbaatar | Wed, Sep 16 | Jeju Air
        US$148
        28% off
        US$208 US$148
      • PUS 21:35
        4h
        Nonstop
        UBN 00:35
        Busan - Ulaanbaatar | Thu, Sep 17 | Jeju Air
        US$148
        28% off
        US$208 US$148
      • PUS 21:35
        4h
        Nonstop
        UBN 00:35
        Busan - Ulaanbaatar | Sat, Sep 19 | Jeju Air
        US$148
        28% off
        US$208 US$148
      • PUS 22:00
        3h 50m
        Nonstop
        UBN 00:50
        Busan - Ulaanbaatar | Tue, Sep 15 | Air Busan
        US$153
        26% off
        US$208 US$153
      • PUS 21:35
        4h
        Nonstop
        UBN 00:35
        Busan - Ulaanbaatar | Wed, Sep 9 | Jeju Air
        US$160
        23% off
        US$208 US$160
      • PUS 13:00
        17h 25m
        1 stop
        ULN 14:00
        Busan - Ulaanbaatar | Thu, Jul 23 | Normal Airline
        Find more flights
        Find more flights

Cheapest airlines flights from Busan to Ulaanbaatar

You can choose from 3 airlines that fly from Busan to Ulaanbaatar, including Jeju Air, Air Busan, and Jin Air. Jin Air has lowest fares on this route.
Jeju Air logo Jeju Air
Air Busan logo Air Busan
Jin Air logo Jin Air
Airlines are determined based on actual purchased flight tickets from Busan to Ulaanbaatar according to previous 12 months data from Trip.com.

Busan to Ulaanbaatar Flight Details

The distance between Busan and Ulaanbaatar is about 2,308.22 km. The average flying time from Busan to Ulaanbaatar is around 4 hours 4 minutes. Based on Trip.com's latest data, travel demand is highest in July. The off-season for travel is September.

Cheapest one-way flight price US$141
Cheapest return ticket price US$298
Cheapest month September
Peak season for travel July
Flight distance 2,308.22 km
Average flight time 4 hours 4 minutes
Popular airline Jeju Air
Flight statistics for the Busan–Ulaanbaatar route are based on aggregated booking data from Trip.com over the past 12 months.

Trip.com Price Insights on Flights from Busan to Ulaanbaatar

Which month has the cheapest one-way flights from Busan to Ulaanbaatar?

Average monthly one-way flight prices from Busan to Ulaanbaatar, based on bookings made by Trip.com users over the past 12 months.

Based on Trip.com’s data, the cheapest month for flights from Busan to Ulaanbaatar is September, with an average price of US$71; while the month with the highest flight price is usually January, with an average price of up to US$416.

US$416
US$244
US$71
0
    Cheapest
  • US$210
    Jul
  • US$107
    Aug
  • US$71
    Sep
  • US$114
    Oct
  • US$258
    Nov
  • US$282
    Dec
  • US$416
    Jan
  • US$312
    Feb
  • US$105
    Mar
  • US$194
    Apr
  • US$103
    May
  • US$150
    Jun

Frequently Asked Questions

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

    Based on Trip.com data, Jin Air offers one-way fares as low as US$141 on Cheapest nonstop routes (e.g. PUS to UBN on Mon, Sep 14), while Jin Air offers Cheapest nonstop round-trips from US$298 departing on Mon, Sep 14 and returning on Sat, Sep 19.
  • At the moment, you can catch a nonstop flight from Busan to Ulaanbaatar with the following airlines, including: Jeju Air Air Busan Jin Air Selected airlines are based on historical data collected from flight bookings users made on Trip.com within the last 90 days.
  • It takes about 4 hours 4 minutes to fly 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.
  • Based on Trip.com data in the past 4 weeks, there is 8 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 (21:41) Air Busan: -/M/-/-/T/-/- -- BX411 (22:32)
  • 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 Mon, Sep 14, with one-way flights priced at just US$141.
    · Compare airlines strategically. Budget carriers often provide the lowest base fares, while we found the most affordable airline currently operating on this route is Jin 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 Ulaanbaatar travel is around July.
    · Get exclusive promo codes for Trip.com app users.
  • The cheapest months to fly from Busan to Ulaanbaatar is September, when demand for travel is lower.
  • After crunching the numbers on our July flight calendar, it's currently cheapest to fly from Busan to Ulaanbaatar on July 21, 2026 with Jeju Air, with prices starting at US$172.
  • 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: Chinggis Khaan International Airport (UBN) Buyant Ukhaa International Airport (ULN).
  • The time difference between Ulaanbaatar and Busan is 1h.
  • 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.

Trip.com Airline Insights on Flights from Busan to Ulaanbaatar

Which airline offers the cheapest direct flights from Busan to Ulaanbaatar?

Data is based on the average price of all nonstop flights from Busan to Ulaanbaatar on Trip.com over the past 12 months.

Based on Trip.com’s data from the past 12 months, Jin Air provides the lowest-priced direct flights from Busan to Ulaanbaatar, with fares starting at US$162.

US$74
US$162
US$251
US$340
US$428
Jin Air
US$162
Jin Air
Jeju Air
US$182
Jeju Air
Air Busan
US$186
Air Busan
Air China
US$292
Air China
Miat Mongolian Airlines
US$336
Miat Mongolian Airlines
Korean Air
US$428
Korean Air

Which airline operates the most flights from Busan to Ulaanbaatar?

Total flights from Busan to Ulaanbaatar across all airlines. (Based on Trip.com data from the past month)

Based on Trip.com’s data from the past month, Jeju Air/Hahn Air System operates the most frequent flights from Busan to Ulaanbaatar, with 4 flights per week.

1
2
3
4
Jeju Air
4
Jeju Air
Hahn Air System
4
Hahn Air System
Asiana Airlines
2
Asiana Airlines
Jin Air
2
Jin Air
Air Busan
2
Air Busan

How many flights fly from Busan to Ulaanbaatar daily?

The data is based on the flight numbers for each day of the week from Busan to Ulaanbaatar within the Trip.com database over the past month.

Based on the past month's historical data from Trip.com, the number of flights from Busan to Ulaanbaatar is the highest on Friday and the lowest on Monday.

15
10
4
0
Highest
4
Mon
8
Tue
8
Wed
8
Thu
15
Fri
10
Sat
8
Sun

Explore More Popular Flights

Note: Prices shown on this page are the estimated lowest prices found in the last 24 hours and include all taxes and fees.

Book with no extra fees

Prices displayed on this page are all-inclusive (incl. taxes, fuel surcharges, Civil Aviation Development Fund, etc.), and all fees are clearly shown before you pay. Charges for checked baggage, onboard meals, Wi‑Fi, and other optional services are also included where applicable in the flight cards.

Real-time pricing updates

Prices, availability, and travel details on this page have been updated within the last 24 hours, and for many routes are refreshed in real time. The more popular the route, the more accurate and up-to-date the data.

Change & Cancellation Policy

Trip.com shows the change and cancellation rules for each ticket during the booking process, including all related fees and conditions. Please refer to the following scenarios:
Voluntary cancellation/change:
To request a change or cancellation, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and flight segment, and submit your request. Please note that additional charges may apply based on the airline’s fare rules.
Cancellation/change due to a flight schedule change:
If your flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For full details of change and cancellation policies, please refer to the customer support pages.