Cheap flights from Busan (PUS) to Ulaanbaatar (UBN)
PUS — UBN
Nov 28 — Dec 51
1 adult, Economy
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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.Cheapflights Tip: The best prices from Busan Gimhae to Ulaanbaatar Chinggis Khaan are usually found in May or September, booked 16 days in advance, depart on a Thursday or Tuesday and return on a Thursday
Cheap flight deals from Busan to Ulaanbaatar
Discover tips and strategies to find the most affordable flight options for your journey from Busan (PUS) to Ulaanbaatar (UBN). 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 October 29, 2025.
Most accurate provider | eDreams 3 stars |
|---|---|
Most trusted provider | eDreams 3 stars |
Popular in | January |
Cheapest in | May |
Average price | $307 |
Compare providers for flights from Busan to Ulaanbaatar
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 Busan to Ulaanbaatar in October.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*1 star |
- Most accurate provider: When it comes to deals on Busan-Ulaanbaatar flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Busan-Ulaanbaatar flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Busan-Ulaanbaatar flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Busan-Ulaanbaatar flights, Cheapflights users trust eDreams the most. eDreams 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 Busan-Ulaanbaatar 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 Busan to Ulaanbaatar
Have a flexible travel schedule? Discover the best time to fly to Ulaanbaatar from Busan with our price prediction graph.
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 Busan to Ulaanbaatar
Prices
Delays
How far ahead should I book a flight from Busan to Ulaanbaatar?
Use this chart to determine the optimal time to book a round-trip flight from Busan to Ulaanbaatar. Price data was last updated on October 24, 2025.
The price you pay for your flight from Busan to Ulaanbaatar may vary depending on when you book. For the best chance of a lower fare, look to book 16 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
What is the cheapest month to book a flight from Busan to Ulaanbaatar?
Currently, May is the cheapest month in which you can book a flight from Busan to Ulaanbaatar (average of $107). Flying from Busan to Ulaanbaatar in February is currently the most expensive (average of $233). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
What is the cheapest time of day to fly from PUS to UBN?
Find hourly flight availability from Busan to Ulaanbaatar. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated October 29, 2025.
One of the essential ways to save on airfare from Busan to Ulaanbaatar is to remain as flexible as possible. Flights that are in the morning tend to be the most expensive. A flight in the evening could potentially save you up to 72% on airfare.
How often are flights from Busan to Ulaanbaatar delayed?
About 10% of weekly flights between Busan and Ulaanbaatar have experienced delays in the past year, with the average delay time being 107 minutes.
What is the most punctual flight time for Busan to Ulaanbaatar flights?
Historically, flights departing in the early afternoon are less likely to be delayed, whereas flights leaving in the evening tend to experience delays more often.
What day of the week experiences the fewest flight delays on this route?
Tuesday tends to have the lowest number of delays on this route, whereas Monday has historically faced a higher average of delays compared to other days of the week.
Which airline has the best punctuality record on Busan to Ulaanbaatar flights?
Over the last year, Air Busan have had the lowest number of delays on this route, with just 5% of flights being delayed.
Reviews of airlines servicing Ulaanbaatar
Get insights into the airlines that provide service to Ulaanbaatar. 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 Ulaanbaatar. Reviews last updated October 29, 2025.
Read reviews from past customers who have flown Jeju Air from Busan to Ulaanbaatar. Users can see the overall rating for each airline as well as how each is rated 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 Busan to Ulaanbaatar. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Alternative routes for Busan to Ulaanbaatar
See prices for flight routes from nearby airports that may be better suited for you.
Top 2 airlines flying from Busan to Ulaanbaatar
Discover the top 2 airlines that operate flights from Busan to Ulaanbaatar. 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 2,558,603 searches. Data last updated October 29, 2025.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$111 | Average$141 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$225 | Average$333 | FlexibilityNo cancel fee | On-time63% |