Seoul to Ulaanbaatar flights
Routavio compares airline fares from several flight booking sites. The lowest one-way fare it found for Seoul to Ulaanbaatar is €149 with Jeju Air (checked on 5 Nov 2026).
Your next trip, last seen at €149
Lowest observedJeju Air · Non-stop · One wayWhen to fly
Explore datesMore dates worth a look
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
- 1 Jan€202
- 2 Jan€201
- 3 Jan€201
- 4 Jan€210
- 5 Jan€193
- 6 Jan€209
- 7 Jan€210
- 8 Jan€277
- 9 Jan€211
- 10 Jan€209
- 11 Jan€247
- 12 Jan€195
- 13 Jan€247
- 14 Jan€247
- 15 Jan€288
- 16 Jan€211
- 17 Jan€238
- 18 Jan€208
- 19 Jan€198
- 20 Jan€239
- 21 Jan€162
- 22 Jan€276
- 23 Jan€242
- 24 Jan€149
- 25 Jan€201
- 26 Jan€189
- 27 Jan€242
- 28 Jan€201
- 29 Jan€242
- 30 Jan€201
- 31 Jan€201
- Lowest observed
- €149, departing 24 Jan 2027 (Last checked: 5 Nov 2026)One-way fare · Priced departure days checked in the last 14 days: 142Check live prices for this route
- Round trip
- €335, departing 11 Dec 2026, back 13 Dec 2026 (Last checked: 5 Nov 2026)
- Non-stop, one way
- €149, departing 24 Jan 2027 (Last checked: 6 Nov 2026)
- Airlines seen
- Jeju Air, Korean Air, Aero Mongolia, MIAT Mongolian Airlines, Asiana Airlines, Air China
- Fastest observed flight time
- 3h 35m
- Non-stop
- Yes
About this route
Explore the fares we observed from Seoul to Ulaanbaatar. Prices move often, so pick your dates to see the latest options.
- Route distance
- 1,992 km
- Fastest observed flight time
- 3h 35m
- 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 |
|---|---|
| MIAT Mongolian Airlines | 28 / 141 |
| Jeju Air | 24 / 141 |
| Korean Air | 18 / 141 |
| Asiana Airlines | 11 / 141 |
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
- 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.
- Ulaanbaatar Chinggis Khaan International Airport (UBN) → Ulaanbaatar, city gazetteer reference point (47.8864, 106.9057): ≈ 27 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 month from Seoul to Ulaanbaatar: January 2027, from €149 (checked 5 Nov 2026).
| Month | Lowest fare | Priced days |
|---|---|---|
| November 2026 | €174 | 21 |
| December 2026 | €150 | 31 |
| January 2027 | €149 | 31 |
| February 2027 | €180 | 26 |
| March 2027 | €180 | 25 |
| April 2027 | €191 | 8 |
Lowest fare by day of the week
Cheapest day of the week from Seoul to Ulaanbaatar: Sunday, from €149 (checked 5 Nov 2026).
| Day | Lowest fare | Priced days |
|---|---|---|
| Monday | €180 | 22 |
| Tuesday | €162 | 21 |
| Wednesday | €181 | 17 |
| Thursday | €150 | 21 |
| Friday | €194 | 20 |
| Saturday | €181 | 20 |
| Sunday | €149 | 21 |
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 Seoul to Ulaanbaatar by days until departure (61 days or more): €149 (checked 5 Nov 2026).
| Days before departure | Lowest fare | Priced days |
|---|---|---|
| 0 to 7 days | €195 | 8 |
| 8 to 30 days | €150 | 23 |
| 31 to 60 days | €153 | 30 |
| 61 days or more | €149 | 81 |
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 Seoul to Ulaanbaatar: Jeju Air, from €149 (checked 6 Nov 2026).
| Airline | Lowest fare | Priced days |
|---|---|---|
| Jeju Air | €149Jan 24, 2027 | 38 |
| Asiana Airlines | €180Feb 22, 2027 | 16 |
| Korean Air | €194Dec 16, 2026 | 18 |
| MIAT Mongolian Airlines | €200Feb 26, 2027 | 28 |
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 Seoul to Ulaanbaatar?
The lowest fare Routavio has observed is €149, found on 5 Nov 2026. Prices move, so read it as a floor rather than a quote.
When is the cheapest month to fly from Seoul to Ulaanbaatar?
Cheapest month from Seoul to Ulaanbaatar: January 2027, from €149 (checked 5 Nov 2026).
Are there direct flights from Seoul to Ulaanbaatar?
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 Seoul to Ulaanbaatar?
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 Seoul to Ulaanbaatar take?
Across the 105 fares Routavio observed, the average journey time is 3h 44m, including any stops. Individual departures vary; the fastest observed flight is listed in the route facts above.
How many of the observed Seoul to Ulaanbaatar fares were non-stop?
105 of the 109 fares we observed were non-stop; the rest included at least one stop. That describes our observations, not every flight that operates.
How much is a round trip from Seoul to Ulaanbaatar?
Cheapest round trip: €335, departing 11 Dec 2026, back 13 Dec 2026 (checked 5 Nov 2026).
How much is a non-stop flight from Seoul to Ulaanbaatar?
Cheapest non-stop one-way fare: €149, departing 24 Jan 2027 (checked 6 Nov 2026).
Which airlines had non-stop offers on at least 3 departure dates from Seoul to Ulaanbaatar?
For Seoul to Ulaanbaatar, examples of observed one-way non-stop offers checked within the last 14 days: MIAT Mongolian Airlines (28), Jeju Air (24), Korean Air (18). Each number counts distinct departure dates, not weekly flights; check current availability in search.
Which day of the week is cheapest from Seoul to Ulaanbaatar?
Cheapest day of the week from Seoul to Ulaanbaatar: Sunday, from €149 (checked 5 Nov 2026).
Which airline has the lowest fare from Seoul to Ulaanbaatar?
Cheapest airline from Seoul to Ulaanbaatar: Jeju Air, from €149 (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.