Cheap flights from Ulaanbaatar to Seoul

One-way fares from $160 · UBN → SEL · prices found by travellers in the last 48 hours

Compare all dates Seoul → Ulaanbaatar
Cheapest fare
$160

Jeju Air · Thu, Nov 26

Cheapest month
November

from $160

Direct flights
Yes

Jeju Air, Korean Air, MIAT Mongolian Airlines + 2 more

Flight time
3h 00m

1,990 km

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Cheapest month to fly from Ulaanbaatar to Seoul

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

  1. November 2026 Cheapest $160
  2. December 2026 $164
  3. January 2027 $181
  4. February 2027 $213
  5. March 2027 $219
  6. April 2027 $220
  7. May 2027 $234
  8. June 2027 $234
  9. September 2027 $235

Cheapest dates in November 2026

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

Jeju Air
Depart15:15 Tue, Nov 24UBN → ICN 3h 10m · Direct
$160one way, per person
View deal
Jeju Air
Depart15:15 Thu, Nov 26UBN → ICN 3h 10m · Direct
$160one way, per person
View deal
Jeju Air
Depart15:15 Tue, Nov 17UBN → ICN 3h 10m · Direct
$170one way, per person
View deal
Jeju Air
Depart15:15 Thu, Nov 19UBN → ICN 3h 10m · Direct
$170one way, per person
View deal
Jeju Air
Depart15:15 Sun, Nov 22UBN → ICN 3h 10m · Direct
$171one way, per person
View deal
Jeju Air
Depart15:15 Sun, Nov 29UBN → ICN 3h 10m · Direct
$180one way, per person
View deal
Asiana Airlines
Depart00:25 Sun, Nov 15UBN → ICN 3h 10m · Direct
$206one way, per person
View deal
Asiana Airlines
Depart00:25 Thu, Nov 12UBN → ICN 3h 10m · Direct
$209one way, per person
View deal
See every date in November 2026 →

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About flights from Ulaanbaatar to Seoul

Ulaanbaatar (UBN) and Seoul (SEL) are about 1,990 km apart. Direct flights take around 3h 00m, and recent direct fares were with Jeju Air, Korean Air, MIAT Mongolian Airlines, Asiana Airlines and Aero Mongolia. Over the next few months, one-way fares start from $160, 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 Seoul?

The cheapest one-way fare we've seen recently is $160 with Jeju Air, departing Thursday, November 26, 2026. Over the coming months, the lowest fare in each month ranges from $160 to $235.

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

November 2026 currently has the lowest fares, from $160 one way.

Are there direct flights from Ulaanbaatar to Seoul?

Yes. Recent direct fares were with Jeju Air, Korean Air, MIAT Mongolian Airlines, Asiana Airlines and Aero Mongolia.

How long is the flight from Ulaanbaatar to Seoul?

A direct flight takes about 3h 00m. Ulaanbaatar and Seoul are around 1,990 km apart.

Which airlines fly from Ulaanbaatar to Seoul?

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

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