$208+ Cheap flights from Ulaanbaatar (UBN) to Busan (PUS)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/19. Fares are subject to change and may not be available on all flights or dates of travel.
UBN — PUS
Oct 8 — Oct 151
Round-trip
1 adult, Economy
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Find cheap flights from Ulaanbaatar to Busan with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Ulaanbaatar to Busan
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Cheapest flights from Ulaanbaatar to BusanExplore the most affordable flight options available from Ulaanbaatar to Busan. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 8, 2026.
Explore the most affordable flight options available from Ulaanbaatar to Busan. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 8, 2026.
This Jeju Air deal was found by Cheapflights users on 9/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Jeju Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/232:20 am -
Nonstop3h 30m
Sun 10/49:35 pm -
Nonstop4h 00m
Deal found 9/7![Jeju Air logo]()
$253
This Booking.com deal was found by Cheapflights users on 9/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/232:20 am -
Nonstop3h 30m
Mon 9/289:40 pm -
Nonstop3h 50m
Deal found 9/4![Multiple Airlines logo]()
$278
This Jeju Air deal was found by Cheapflights users on 9/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Jeju Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/192:20 am -
Nonstop3h 30m
Sun 10/49:35 pm -
Nonstop4h 00m
Deal found 9/5![Jeju Air logo]()
$318
This Jeju Air deal was found by Cheapflights users on 9/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Jeju Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/192:20 am -
Nonstop3h 30m
Sun 9/279:35 pm -
Nonstop4h 00m
Deal found 9/6![Jeju Air logo]()
$326
This Jeju Air deal was found by Cheapflights users on 9/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Jeju Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/232:20 am -
Nonstop3h 30m
Sun 9/279:35 pm -
Nonstop4h 00m
Deal found 9/6![Jeju Air logo]()
$329
This Jeju Air deal was found by Cheapflights users on 9/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Jeju Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/122:20 am -
Nonstop3h 30m
Sun 9/279:35 pm -
Nonstop4h 00m
Deal found 9/6![Jeju Air logo]()
$345
This Jeju Air deal was found by Cheapflights users on 9/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Jeju Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/122:20 am -
Nonstop3h 30m
Wed 9/169:35 pm -
Nonstop4h 00m
Deal found 9/6![Jeju Air logo]()
$418
Best flights from Ulaanbaatar to BusanDiscover carefully curated flight deals from Ulaanbaatar to Busan that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 8, 2026.
Discover carefully curated flight deals from Ulaanbaatar to Busan that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 8, 2026.
This Jeju Air deal was found by Cheapflights users on 9/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Jeju Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/232:20 am -
Nonstop3h 30m
Sun 10/49:35 pm -
Nonstop4h 00m
Deal found 9/7![Jeju Air logo]()
$253
This FlightHub deal was found by Cheapflights users on 9/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/712:25 am -
1 stop16h 55m
Wed 10/147:00 am -
1 stop17h 05m
Deal found 9/4![Asiana Airlines logo]()
$453
This Booking.com deal was found by Cheapflights users on 9/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/42:20 am -
Nonstop3h 30m
Wed 10/148:45 am -
1 stop27h 25m
Deal found 9/7![Multiple Airlines logo]()
$502
This Jeju Air deal was found by Cheapflights users on 9/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Jeju Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/192:20 am -
Nonstop3h 30m
Sun 10/49:35 pm -
Nonstop4h 00m
Deal found 9/5![Jeju Air logo]()
$318
This Jeju Air deal was found by Cheapflights users on 9/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Jeju Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/192:20 am -
Nonstop3h 30m
Sun 9/279:35 pm -
Nonstop4h 00m
Deal found 9/6![Jeju Air logo]()
$326
This Jeju Air deal was found by Cheapflights users on 9/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Jeju Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/232:20 am -
Nonstop3h 30m
Sun 9/279:35 pm -
Nonstop4h 00m
Deal found 9/6![Jeju Air logo]()
$329
This oojo deal was found by Cheapflights users on 9/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/2312:25 am -
1 stop16h 55m
Mon 9/288:00 am -
1 stop16h 05m
Deal found 9/4![Asiana Airlines logo]()
$484
This Jeju Air deal was found by Cheapflights users on 9/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Jeju Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/262:20 am -
Nonstop3h 30m
Sun 10/49:35 pm -
Nonstop4h 00m
Deal found 9/7![Jeju Air logo]()
$530
Last-minute flights from Ulaanbaatar to BusanDiscover last-minute flight deals from Ulaanbaatar to Busan. Data last updated September 8, 2026 and is based on user searches.
Discover last-minute flight deals from Ulaanbaatar to Busan. Data last updated September 8, 2026 and is based on user searches.
This Jeju Air deal was found by Cheapflights users on 9/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Jeju Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/122:20 am -
Nonstop3h 30m
Sun 9/279:35 pm -
Nonstop4h 00m
Deal found 9/6![Jeju Air logo]()
$345
This Jeju Air deal was found by Cheapflights users on 9/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Jeju Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/122:20 am -
Nonstop3h 30m
Wed 9/169:35 pm -
Nonstop4h 00m
Deal found 9/6![Jeju Air logo]()
$418
This Jeju Air deal was found by Cheapflights users on 9/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Jeju Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/192:20 am -
Nonstop3h 30m
Sun 10/49:35 pm -
Nonstop4h 00m
Deal found 9/5![Jeju Air logo]()
$318
This Jeju Air deal was found by Cheapflights users on 9/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Jeju Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/192:20 am -
Nonstop3h 30m
Sun 9/279:35 pm -
Nonstop4h 00m
Deal found 9/6![Jeju Air logo]()
$326
This Jeju Air deal was found by Cheapflights users on 9/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Jeju Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/232:20 am -
Nonstop3h 30m
Sun 10/49:35 pm -
Nonstop4h 00m
Deal found 9/7![Jeju Air logo]()
$253
This Booking.com deal was found by Cheapflights users on 9/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/232:20 am -
Nonstop3h 30m
Mon 9/289:40 pm -
Nonstop3h 50m
Deal found 9/4![Multiple Airlines logo]()
$278
This Jeju Air deal was found by Cheapflights users on 9/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Jeju Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/232:20 am -
Nonstop3h 30m
Sun 9/279:35 pm -
Nonstop4h 00m
Deal found 9/6![Jeju Air logo]()
$329
One-way flights from Ulaanbaatar to BusanSearch for one-way flight options from Ulaanbaatar to Busan. Find affordable one-way fares based on user searches. Data last updated September 8, 2026.
Search for one-way flight options from Ulaanbaatar to Busan. Find affordable one-way fares based on user searches. Data last updated September 8, 2026.
This Jeju Air deal was found by Cheapflights users on 9/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Jeju Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/192:20 am -
Nonstop3h 30m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/4![Jeju Air logo]()
$208
This Jeju Air deal was found by Cheapflights users on 9/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Jeju Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/242:20 am -
Nonstop3h 30m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/6![Jeju Air logo]()
$211
This Jeju Air deal was found by Cheapflights users on 9/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Jeju Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/122:20 am -
Nonstop3h 30m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/7![Jeju Air logo]()
$227
This Jeju Air deal was found by Cheapflights users on 9/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Jeju Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/12:20 am -
Nonstop3h 30m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/8![Jeju Air logo]()
$230
Find flight deals from Ulaanbaatar to Busan
Discover tips and strategies to find the most affordable flight options for your journey from Ulaanbaatar (UBN) to Busan (PUS). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated September 8, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $253 (Jeju Air) |
One-way from | $208 (Jeju Air) |
Popular in | March |
Cheapest in | October |
Average price | $214 |
Cheapflights Fare Finder
Customize your flight search to find flights from Ulaanbaatar to Busan that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated September 8, 2026.
Use the filters below to find and compare flights from Ulaanbaatar to Busan that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Quickest round-trip
UlaanbaatarBusan
UBN Ulaanbaatar Chinggis Khaan - PUS Busan Gimhae
UBNPUS
Ulaanbaatar Chinggis Khaan
Sat 9/19
2:20 am-6:50 am
Nonstop3h 30m
Busan Gimhae
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$208
UlaanbaatarBusan
UBN Ulaanbaatar Chinggis Khaan - PUS Busan Gimhae
UBNPUS
Ulaanbaatar Chinggis Khaan
Thu 9/24
2:20 am-6:50 am
Nonstop3h 30m
Busan Gimhae
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$211
UlaanbaatarBusan
UBN Ulaanbaatar Chinggis Khaan - PUS Busan Gimhae
UBNPUS
Ulaanbaatar Chinggis Khaan
Wed 9/23
2:20 am-6:50 am
Nonstop3h 30m
Busan Gimhae
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$211
UlaanbaatarBusan
UBN Ulaanbaatar Chinggis Khaan - PUS Busan Gimhae
UBNPUS
Ulaanbaatar Chinggis Khaan
Thu 9/17
2:20 am-6:50 am
Nonstop3h 30m
Busan Gimhae
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$227
UlaanbaatarBusan
UBN Ulaanbaatar Chinggis Khaan - PUS Busan Gimhae
UBNPUS
Ulaanbaatar Chinggis Khaan
Sat 9/12
2:20 am-6:50 am
Nonstop3h 30m
Busan Gimhae
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$227
UlaanbaatarBusan
UBN Ulaanbaatar Chinggis Khaan - PUS Busan Gimhae
UBNPUS
Ulaanbaatar Chinggis Khaan
Thu 10/1
2:20 am-6:50 am
Nonstop3h 30m
Busan Gimhae
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$230
UlaanbaatarBusan
UBN Ulaanbaatar Chinggis Khaan - PUS Busan Gimhae
UBNPUS
Ulaanbaatar Chinggis Khaan
Wed 9/23
2:20 am-6:50 am
Nonstop3h 30m
Busan Gimhae
Sun 10/4
9:35 pm-12:35 am
Nonstop4h 00m
$253
UlaanbaatarBusan
UBN Ulaanbaatar Chinggis Khaan - PUS Busan Gimhae
UBNPUS
Ulaanbaatar Chinggis Khaan
Sat 9/19
2:20 am-6:50 am
Nonstop3h 30m
Busan Gimhae
Sun 10/4
9:35 pm-12:35 am
Nonstop4h 00m
$318
UlaanbaatarBusan
UBN Ulaanbaatar Chinggis Khaan - PUS Busan Gimhae
UBNPUS
Ulaanbaatar Chinggis Khaan
Sat 9/19
2:20 am-6:50 am
Nonstop3h 30m
Busan Gimhae
Sun 9/27
9:35 pm-12:35 am
Nonstop4h 00m
$326
UlaanbaatarBusan
UBN Ulaanbaatar Chinggis Khaan - PUS Busan Gimhae
UBNPUS
Ulaanbaatar Chinggis Khaan
Wed 9/23
2:20 am-6:50 am
Nonstop3h 30m
Busan Gimhae
Sun 9/27
9:35 pm-12:35 am
Nonstop4h 00m
$329
Showing 1-10 of 14 resultsSorted by cheapest first
Compare providers for flights from Ulaanbaatar to Busan
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Ulaanbaatar to Busan in September.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy1 star | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Ulaanbaatar-Busan flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Ulaanbaatar-Busan flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Ulaanbaatar-Busan flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Ulaanbaatar-Busan flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Ulaanbaatar-Busan flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from Ulaanbaatar to Busan
Have a flexible travel schedule? Discover the best time to fly to Busan from Ulaanbaatar with our price prediction graph.
UBN-PUS
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Ulaanbaatar to Busan
Prices
Delays
How often are flights from Ulaanbaatar to Busan delayed?
About 12% of weekly flights between Ulaanbaatar and Busan have experienced delays in the past year, with the average delay time being 112 minutes.
What is the most punctual flight time for Ulaanbaatar to Busan flights?
Historically, flights departing in the morning are less likely to be delayed, whereas flights leaving at night tend to experience delays more often.
What day of the week experiences the fewest flight delays on this route?
Thursday tends to have the lowest number of delays on this route, whereas Wednesday has historically faced a higher average of delays compared to other days of the week.
Which airline has the best punctuality record on Ulaanbaatar to Busan flights?
Over the last year, Jeju Air have had the lowest number of delays on this route, with just 4% of flights being delayed.
Reviews of airlines servicing Busan
Get insights into the airlines that provide service to Busan. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Busan. Reviews last updated September 8, 2026.
See what other customers who have flown with Jin Air and Jeju Air from Ulaanbaatar to Busan have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Related info for your journey
Find useful and relevant information for your journey from Ulaanbaatar to Busan. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Alternative routes
Busan flight routes
Complete your trip
Flights by cabin class
Other flight options
Popular flights
Alternative routes for Ulaanbaatar to Busan
See prices for flight routes from nearby airports that may be better suited for you.
Other flights to Busan
Explore flights to Busan departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on September 8, 2026.
Complete your trip
Complete your trip to Busan by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Ulaanbaatar to Busan by cabin class
Find flights from Ulaanbaatar to Busan, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Ulaanbaatar and Busan flights
Browse other Ulaanbaatar and Busan flight options. Last updated on September 8, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top 2 airlines flying from Ulaanbaatar to Busan
Discover the top 2 airlines that operate flights from Ulaanbaatar to Busan. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated September 8, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$168 | Average$199 | FlexibilityNo cancel fee | On-time78% | |
| Cheapest$182 | Average$291 | FlexibilityNo cancel fee | On-timeN/A |