Ulaanbaatar to Seoul flights
Routavio compares airline fares from several flight booking sites. The lowest one-way fare it found for Ulaanbaatar to Seoul is €136 with Jeju Air (checked on 5 Nov 2026).
Your next trip, last seen at €136
Jeju Air · Non-stop · One wayWhen to fly
Explore datesMore dates worth a look
Last seen for 1 traveller on 6 Nov 2026. Check today's price.
Find the dates that work for you
The lowest fare we observed for each month. Open a month to see its days, then pick your outbound and return. A day with no price is one we will search for you.
One-way fare
- 11 Nov€187
- 12 Nov€153
- 13 Nov€189
- 14 Nov€189
- 15 Nov€153
- 16 Nov€188
- 17 Nov€152
- 18 Nov€186
- 19 Nov€144
- 20 Nov€186
- 21 Nov€186
- 22 Nov€144
- 23 Nov€186
- 24 Nov€136
- 25 Nov€186
- 26 Nov€150
- 27 Nov€186
- 28 Nov€186
- 29 Nov€159
- 30 Nov€187
- Lowest observed
- €136, departing 24 Nov 2026 (Last checked: 5 Nov 2026)One-way fare · Priced departure days checked in the last 14 days: 115Check live prices for this route
- Airlines seen
- Jeju Air, Korean Air, Aero Mongolia, MIAT Mongolian Airlines, Asiana Airlines, Air China
- Fastest observed flight time
- 3h 05m
- Non-stop
- Yes
About this route
Explore the fares we observed from Ulaanbaatar to Seoul. Prices move often, so pick your dates to see the latest options.
- Route distance
- 1,992 km
- Fastest observed flight time
- 3h 05m
- Airlines seen
- Jeju Air, Korean Air, Aero Mongolia, MIAT Mongolian Airlines, Asiana Airlines, Air China
- Alternative airports
- GMP
Route-level information; individual journeys vary.
A clearer picture of your fare
If the observed fare for this date drops, we will email you. At most one message a day.
Non-stop airlines seen on this route
| Airline | Non-stop days / priced days |
|---|---|
| Korean Air | 62 / 194 |
| Asiana Airlines | 21 / 194 |
| Jeju Air | 19 / 194 |
Departure days with a non-stop fare checked in the last 14 days. A carrier listed here had a non-stop fare on at least 3 days; schedules may differ.
Airport to city: straight-line distance
- Ulaanbaatar Chinggis Khaan International Airport (UBN) → Ulaanbaatar, city gazetteer reference point (47.8864, 106.9057): ≈ 27 km.
- Seoul Gimpo International Airport (GMP) → Seoul, city gazetteer reference point (37.5665, 126.9780): ≈ 17 km.
- Incheon International Airport (ICN) → Seoul, city gazetteer reference point (37.5665, 126.9780): ≈ 48 km.
Approximate distances calculated from coordinates, not road distances or travel times. These airports serve the city; they are not confirmed endpoints of an offer.
Lowest fare by departure month
Cheapest departure day we saw in November 2026 from Ulaanbaatar to Seoul: 24 Nov 2026, €136 (checked 5 Nov 2026).
| Month | Lowest fare | Priced days |
|---|---|---|
| November 2026 | €136 | 20 |
| December 2026 | €140 | 20 |
| January 2027 | €145 | 22 |
| February 2027 | €162 | 21 |
| March 2027 | €169 | 26 |
| April 2027 | €170 | 6 |
Lowest fare by day of the week
Cheapest Tuesday departure we saw from Ulaanbaatar to Seoul: 24 Nov 2026, €136 (checked 5 Nov 2026).
| Day | Lowest fare | Priced days |
|---|---|---|
| Monday | €186 | 13 |
| Tuesday | €136 | 20 |
| Wednesday | €186 | 15 |
| Thursday | €144 | 19 |
| Friday | €186 | 14 |
| Saturday | €186 | 14 |
| Sunday | €140 | 20 |
One-way fares checked in the last 14 days. Each figure is the lowest priced departure day we saw, not a guaranteed fare.
Lowest fare by days before departure
Lowest fare from Ulaanbaatar to Seoul by days until departure (8 to 30 days): €136 (checked 5 Nov 2026).
| Days before departure | Lowest fare | Priced days |
|---|---|---|
| 0 to 7 days | €152 | 8 |
| 8 to 30 days | €136 | 22 |
| 31 to 60 days | €140 | 12 |
| 61 days or more | €145 | 73 |
One-way fares checked in the last 14 days. Each figure is the lowest stored fare for that distance to departure, not a price forecast.
Fares for different departure dates, checked now; not a guide to when to book.
Lowest one-way fare we saw per airline
Cheapest airline from Ulaanbaatar to Seoul: Asiana Airlines, €162 (checked 6 Nov 2026).
| Airline | Lowest fare | Priced days |
|---|---|---|
| Asiana Airlines | €162Feb 16, 2027 | 23 |
| Korean Air | €186Nov 18, 2026 | 64 |
| MIAT Mongolian Airlines | €196Mar 13, 2027 | 6 |
One-way fares checked in the last 14 days. An airline listed here had a fare on at least 3 departure days. Each figure is the lowest we saw, not a guaranteed fare. Connecting itineraries are included; the date is the departure day of that fare.
Frequently asked
How much is a flight from Ulaanbaatar to Seoul?
The lowest fare Routavio has observed is €136, found on 5 Nov 2026.
Are there direct flights from Ulaanbaatar to Seoul?
Yes. Published schedules report non-stop flights on this route with Jeju Air, Korean Air, Aero Mongolia, MIAT Mongolian Airlines, Asiana Airlines.
Which airlines fly from Ulaanbaatar to Seoul?
Routavio has seen these carriers on the route: Jeju Air, Korean Air, Aero Mongolia, MIAT Mongolian Airlines, Asiana Airlines, Air China.
How long does the flight from Ulaanbaatar to Seoul take?
Across the 125 fares Routavio observed, the average journey time is 3h 08m, including any stops. Individual departures vary; the fastest observed flight is listed in the route facts above.
How many of the observed Ulaanbaatar to Seoul fares were non-stop?
125 of the 125 fares we observed were non-stop; the rest included at least one stop. That describes our observations, not every flight that operates.
Which airlines had non-stop offers on at least 3 departure dates from Ulaanbaatar to Seoul?
For Ulaanbaatar to Seoul, examples of observed one-way non-stop offers checked within the last 14 days: Korean Air (62), Asiana Airlines (21), Jeju Air (19). Each number counts distinct departure dates, not weekly flights; check current availability in search.
When is the cheapest month to fly from Ulaanbaatar to Seoul?
Cheapest departure day we saw in November 2026 from Ulaanbaatar to Seoul: 24 Nov 2026, €136 (checked 5 Nov 2026).
Which day of the week is cheapest from Ulaanbaatar to Seoul?
Cheapest Tuesday departure we saw from Ulaanbaatar to Seoul: 24 Nov 2026, €136 (checked 5 Nov 2026).
Which airline has the lowest fare from Ulaanbaatar to Seoul?
Cheapest airline from Ulaanbaatar to Seoul: Asiana Airlines, €162 (checked 6 Nov 2026).
How observed prices work, what "No data" means and what a fare includes: Read the flight price guide · Price and schedule freshness on Routavio
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Recently observed fares. Prices may change.