$171 Find Cheap Flights from Busan to Ulaanbaatar - Compare and Save

These are the earliest and latest flight times available from Busan to Ulaanbaatar:

• Earliest: departs at 9:35 pm and lands at 1:29 am
• Latest: departs at 9:40 pm and lands at 1:34 am.

The flight takes about 3h 54m.

Only Economy Class is available on flights from Busan to Ulaanbaatar.

A nonstop flight from Busan to Ulaanbaatar takes 3h 54m, covering 1,425 miles.

Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.

Round-trip flights from Busan to Ulaanbaatar range from $304 to $473, with an average of $380 over the past 12 months. Anything below $304 counts as a good deal.

Last-minute fares on this route (booked within two weeks of departure) run 18% above the $380 route average. Book 18 weeks before departure for the lowest fares.

On this route, layover flights are cheaper than nonstop options on average. Layover fares average $332 round-trip via Beijing Capital (PEK), compared to $371 for nonstop.

MIAT Mongolian is slightly above the route average for timely arrivals, while Jeju Air has a lower on-time arrival rate. On-time arrival rates on Busan to Ulaanbaatar flights are:

• MIAT Mongolian: 100% on time
• Jeju Air: 96% on time
• Air Busan: 96% on time

Overall, flights on this route are punctual 95% of the time on average.

There is no standard. Checked-bag policies vary by airline on this route. Most carriers charge $10–$100 for the first checked bag in economy. Premium fares and elite-status bookings typically include a free checked bag.

The Boeing 737-800 family is used most often on this route, operated mainly by Jeju Air and Jin Air. Other aircraft seen on the route include Boeing 737 MAX 8 variants.

One-way fares from Busan to Ulaanbaatar are currently higher than usual. Average one-way flight prices are about $189, which is 9% above the typical average for this route.

Flights from Busan to Ulaanbaatar usually depart from Busan Gimhae (PUS) and arrive at Ulaanbaatar Chinggis Khaan (UBN).

Afternoon flights have the fewest delays on this route, while night departures tend to have the most.

A flight is considered delayed when it departs 15 minutes or more after its scheduled time. This is the standard used by the US Department of Transportation and most airline industry reporting. On the Busan to Ulaanbaatar route, 5% of flights were delayed in the past 3 months, with delays averaging 42m.

Connecting flights from Busan to Ulaanbaatar most commonly pass through:

• Incheon Intl (ICN) - 75% of one-stop connections
• Beijing Capital (PEK) - 25% of one-stop connections

Yes. Flexible dates can save you up to 38% on flights from Busan to Ulaanbaatar. Monday is the cheapest departure day at $310 round-trip on average, while Tuesday is the most expensive at $494, a difference of $184.

KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

3 airlines operate flights between Busan and Ulaanbaatar. The airlines offering nonstop flights on this route include:

• Jeju Air
• Jin Air
• Air Busan

Flying via Incheon Intl (ICN) gives the shortest average 1-stop total travel time at 7h 01m, compared with 22h 18m via Beijing Capital (PEK).

Ulaanbaatar is 1 hour behind Busan (Ulaanbaatar Time vs Korean Time). Plan for the time shift when scheduling connections or first-day activities.

Among airlines operating Busan to Ulaanbaatar flights:

• Jeju Air: offers free seat selection
• Air Busan: offers free seat selection
• Asiana Airlines: offers free seat selection

Extra legroom and free seat selection availability depends on fare class and route.

Here are some options for this route, based on selected ticket types and cabin classes:

• Jeju Air: a cabin bag and a checked bag in Economy Class
• Air Busan: a cabin bag and a checked bag in Economy Class
• Jin Air: a cabin bag and a checked bag in Economy Class

Bag allowance can vary by ticket type, cabin class, route and airline, so always check the fare details before booking.