Cheap flights from Ulaanbaatar to Busan

One-way fares from $206 · UBN → PUS · prices found by travellers in the last 48 hours

Compare all dates Busan → Ulaanbaatar
Cheapest fare
$206

Jeju Air · Tue, Nov 24

Cheapest month
November

from $206

Direct flights
Not recently

Usually 1+ stop

Quickest trip
4h 10m

2,310 km

Get a price alert

We'll email you when Ulaanbaatar → Busan drops to your price. It's free, and you can stop any time.

Today's cheapest fare is $206. We'll send one email to confirm. See our privacy policy.

Cheapest month to fly from Ulaanbaatar to Busan

Lowest one-way fare per person in each month. Choose a month to see every date.

  1. November 2026 Cheapest $206
  2. December 2026 $234
  3. January 2027 $259
  4. March 2027 $263
  5. June 2027 $321

Cheapest dates in November 2026

The lowest fares we've seen for each day, cheapest first.

Jeju Air
Depart15:15 Tue, Nov 24UBN → PUS 4h 20m · 1 stop
$206one way, per person
View deal
Jeju Air
Depart15:15 Tue, Nov 10UBN → PUS 4h 20m · 1 stop
$251one way, per person
View deal
Jeju Air
Depart15:15 Sun, Nov 8UBN → PUS 4h 15m · 1 stop
$257one way, per person
View deal
Asiana Airlines
Depart00:25 Sun, Nov 15UBN → PUS 4h 20m · 1 stop
$259one way, per person
View deal
Asiana Airlines
Depart00:25 Thu, Nov 12UBN → PUS 4h 20m · 1 stop
$266one way, per person
View deal
Aero Mongolia
Depart12:15 Sat, Nov 28UBN → PUS 4h 10m · 1 stop
$278one way, per person
View deal
MIAT Mongolian Airlines
Depart07:45 Sat, Nov 14UBN → PUS 4h 25m · 1 stop
$281one way, per person
View deal
MIAT Mongolian Airlines
Depart07:45 Wed, Nov 18UBN → PUS 4h 30m · 1 stop
$288one way, per person
View deal
See every date in November 2026 →

Plan the rest of your trip to Busan

Where to stay, what to do and getting around, from our travel partners.

Where to stay

Hotels in BusanCompare places to stay on Booking.com Find hotels →

Things to do

Things to do in BusanTours, attractions and day trips on Klook Explore →

Getting around

Airport transfer in BusanPre-book a driver to meet you at arrivals, with Kiwitaxi Book a transfer → Car hire in BusanCompare rental cars from major brands on EconomyBookings Compare cars →

Stay connected

eSIM for South KoreaMobile data from the moment you land, by Airalo Get eSIM →

About flights from Ulaanbaatar to Busan

Ulaanbaatar (UBN) and Busan (PUS) are about 2,310 km apart. We haven't seen direct fares on this route recently, so expect at least one stop; the quickest journey we've seen takes about 4h 10m. Over the next few months, one-way fares start from $206, and November 2026 is currently the cheapest month to fly.

These prices come from searches travellers made in the last 48 hours, so they move quickly. If you see a good fare, it's worth booking soon. FlightsExp is free to use: you book directly with our travel partner.

Frequently asked questions

How much is a flight from Ulaanbaatar to Busan?

The cheapest one-way fare we've seen recently is $206 with Jeju Air, departing Tuesday, November 24, 2026. Over the coming months, the lowest fare in each month ranges from $206 to $321.

What is the cheapest month to fly from Ulaanbaatar to Busan?

November 2026 currently has the lowest fares, from $206 one way.

Are there direct flights from Ulaanbaatar to Busan?

We haven't seen direct fares recently, so most journeys include at least one stop.

How long is the flight from Ulaanbaatar to Busan?

The quickest journey we've seen takes about 4h 10m. Ulaanbaatar and Busan are around 2,310 km apart.

Which airlines fly from Ulaanbaatar to Busan?

Recent fares on this route were with Jeju Air, MIAT Mongolian Airlines, Asiana Airlines and Aero Mongolia.

More cheap flights from Ulaanbaatar

Compare flights to Busan from other cities →