Compare airlines, prices, and flight durations for your trip
Cheapest flights from Ulaanbaatar to Busan
Flaut.Travel was designed and developed by a team dedicated to making the process of searching, comparing and booking airline tickets as easy and convenient as possible. Our service helps travelers to find and buy the cheapest flights from Ulaanbaatar to Busan. We have connected more than 40 airlines and airline ticketing agencies to help you find the most suitable and affordable flight option.
Remember that on average the ideal time to book flights is 2 months before departure!
A non-stop flight is the most convenient and comfortable way to fly from Ulaanbaatar to Busan, despite the fact that sometimes flights with transfers can cost significantly less.
Schedule of direct flights from Ulaanbaatar to Busan
The airlines on the Ulaanbaatar — Busan route each fly on specific days: Jeju Air flies on Sunday, Monday, Thursday, and Friday. Air Busan flies on Wednesday and Saturday. Jin Air flies on Tuesday and Saturday.
Ulaanbaatar airports overview
•
•
•
Busan airports overview
•
•
•
Frequently asked questions (FAQ)
Answers to questions about the route that travelers are most interested in.
Special offers and sales on air tickets from Ulaanbaatar to Busan
We keep tight track on airlines' pre-holidays sales and other special offers occurences all the time to let you save maximum amount of funds while traveling to your family or just going out on vacation.
Alternative routes
•••••••••••••••••••
Cheapest one way flight
$116
Jeju Air
Direct flight
3h 30m
10/01/2026
The cheapest one-way flight from Ulaanbaatar to Busan departs on 10/01/2026, is operated by Jeju Air and costs $116
Cheapest round trip flight
$254
Jeju Air
Direct flight
7h 20m
10/01/2026
The cheapest roundtrip flight from Ulaanbaatar to Busan departs on 10/01/2026, is operated by Jeju Air and costs $254
The fastest flight
3h 30m
Fastest flight from Ulaanbaatar to Busan takes 3h 30m
Direct flights
Several times a week
There are direct flights on this route 5 days a week: Tu, We, Th, Fr, and Sa
Earliest flight
1:30 AM
Latest flight
1:50 AM
Average flight duration
3h 45m
Direct flights count
9
Distance
2309km
Timezone difference
1h
The distance between Ulaanbaatar and Busan is 2309km (1432 miles). The average flight duration is 3h 45m. There are 9 direct flights from Ulaanbaatar to Busan. The time difference between Ulaanbaatar and Busan is 1h. Flights from Ulaanbaatar begin at 1:30 AM. The latest flight from Ulaanbaatar departs at 1:50 AM
The Ulaanbaatar — Busan route is served by a wide range of airlines: 8 in total, including Jeju Air, Jin Air, Air Busan, MIAT Mongolian Airlines, Asiana Airlines, Korean Air, Air China, and Connellan air disaster. Competition among carriers gives passengers the opportunity to find tickets at attractive fares — with prices starting from $116. Our service helps compare all available offers within seconds and choose the most convenient option. You can filter flights by price, departure time, or baggage rules to make your trip as comfortable as possible. With so many airlines, there’s always a chance to catch special promotions and save.
Chinggis Khaan International Airport (ULN) is Mongolia’s main international gateway and typically serves as the country’s premium hub for long-haul and regional flights. Full-service carriers and a growing number of international airlines operate here, alongside some low-cost services on regional sectors; fares can feel higher than in nearby markets but competitive for the route. The airport sits about 35–45 km southeast of central Ulaanbaatar, with transfer options including airport shuttle buses (roughly 60–90 minutes, modest fares), taxis or ride-hail services (around 40–60 minutes, variable fares), and private transfers. Pros: modern terminal, international connections and comfortable facilities; cons: distance from the city and occasional delays during winter weather.
Busan is served mainly by Gimhae International Airport (PUS), a compact international and domestic gateway that often handles a mix of full-service carriers and low-cost airlines on regional routes. Located roughly 20–25 km west of downtown Busan, transfer times can be around 30–60 minutes by bus or taxi depending on traffic; the airport railroad and subway connections can take about 40–60 minutes with fares typically in the low single digits to mid-teens (USD equivalent). Ground transport is straightforward and generally affordable, though peak-hour congestion can lengthen journey times. Pros: convenient for regional travel and budget-friendly options; cons: limited long-haul connectivity and smaller terminal facilities compared with major international hubs.
What is the cheapest price for flights from Ulaanbaatar to Busan?
The cheapest flight ticket from Ulaanbaatar to Busan according to data for the last 48 hours costs $116
When is the best time to buy air tickets on the route Ulaanbaatar — Busan?
Often the best time to buy tickets from Ulaanbaatar to Busan is 2 months before departure.
When is the cheapest time of year to fly from Ulaanbaatar to Busan?
Based on statistics over the past years, the lowest prices for flights from Ulaanbaatar to Busan can be found flying in these months: September, October, November.
How long does it take to fly from Ulaanbaatar to Busan?
The fastest flights from Ulaanbaatar to Busan start from 3 hours 30 minutes in the air.
Which airline can fly direct from Ulaanbaatar to Busan?
The following airlines operate direct flights on the route Ulaanbaatar — Busan: Jeju Air, Jin Air, Air Busan
The minimum one-way ticket price from Ulaanbaatar to Busan is $124 (September 2026), while the maximum is $306 (May 2027). On average, a ticket costs $206–$470.
Price dynamics
Tickets from Ulaanbaatar to Busan are getting more expensive each month. From September 2026 to May 2027, the increase reached 146%, with prices now at $306. It's unlikely to get cheaper than the current level.
Cheaper and more expensive periods
The most significant price increase was from September 2026 to May 2027 — up 146%. The best time to fly is September 2026–October 2026, when the average price is $127. In December 2026–May 2027, tickets cost around $288.
Best time to buy
Given the rising prices, it's best not to delay your purchase. Flying in September 2026–October 2026 can save you up to 56% compared to the most expensive months.
Price predictability
Price variation across months on this route is 35.5%. Your choice of departure month significantly affects the total flight cost.
