Find cheap airlines flights from Busan to Ulaanbaatar

You can choose from 3 airlines that fly from Busan to Ulaanbaatar, including Air Busan, Jeju Air, and Jin Air. Air Busan has lowest fares on this route.
Air Busan logo Air Busan
Jeju Air logo Jeju Air
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.

Book direct flights from Busan to Ulaanbaatar: One way flights from $143, round trip flights from $317. Find flight deals for the next 3 months below.

Displayed flight fares from Busan to Ulaanbaatar are based on average prices across airlines for the next 3 months, according to the latest Trip.com database.

Flight Info | Busan to Ulaanbaatar

The distance between Busan and Ulaanbaatar is approximately 2,308.22 km. It takes around 4 hours 4 minutes on average to fly from Busan to Ulaanbaatar. Based on Trip.com's data travel demand peaks in July. The off-season for travel is September.

Cheapest one-way flight price$143
Cheapest round-trip ticket price$266
Off-season for travelSeptember
Peak season for travelJuly
Flight distance2,308.22 km
Average flight time4 hours 4 minutes
Popular airlineAir Busan
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?

The average price of one-way flights from Busan to Ulaanbaatar purchased by Trip.com users by month over the past 12 months.

Based on Trip.com’s data, the cheapest month for flights from Busan to Ulaanbaatar is June, with an average price of $64; while the month with the highest flight price is usually January, with an average price of up to $415.

$415
$240
$64
0
  • $64
    Jun
  • $133
    Jul
  • $107
    Aug
  • $71
    Sep
  • $114
    Oct
  • $257
    Nov
  • $281
    Dec
  • $415
    Jan
  • $311
    Feb
  • $105
    Mar
  • $193
    Apr
  • $103
    May

When is the cheapest day to fly from Busan to Ulaanbaatar during Juneteenth National Independence Day?

Data is based on the lowest one-way price from Busan to Ulaanbaatar during Juneteenth National Independence Day on Trip.com in the past 3 days.

Juneteenth National Independence Day is scheduled for Jun 19. The cheapest flights from Busan to Ulaanbaatar are available on Jun 16, with fares starting at $250.

$331
$291
$250
$210
  • $250
    16
    Jun
  • $298
    17
  • $276
    18
  • $283
    19
  • $312
    20
  • $331
    21

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.
  • 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.
  • It takes around 4 hours 4 minutes to fly from Busan (PUS) to Ulaanbaatar (ULN).
  • 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 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)
  • 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.
  • The cheapest months to fly from Busan to Ulaanbaatar is September, when demand for travel is lower.
  • 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.
  • 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).
  • 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.

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

Book with no extra fees

Prices displayed in this page are all-inclusive prices (incl. taxes, fuel surcharge, civil aviation development fund, etc) with all fees confirmed before payment. Fees for luggage, meals, WLAN, or other additional services are also included as shown in the flight cards.

Real-time pricing updates

Prices, availability, and travel information on this page were updated within last 24 hours—even in real-time. The more popular the route, the more precise the data.

Change & Cancellation Policy

Trip.com displays flight cancellation and change policies for each flight ticket during the booking process, including fees and applicable conditions. Please check the following scenarios:
Voluntary cancellation/change:
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.
Cancellation/change due to a flight schedule change:
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.