Buenos Aires to Ulaanbaatar flights
Routavio compares airline fares from several flight booking sites. The lowest one-way fare it found for Buenos Aires to Ulaanbaatar is €858 with Plus Ultra Lineas Aereas (checked on 30 Oct 2026).
Your next trip, last seen at €858
Lowest observedPlus Ultra Lineas Aereas · 3 stops · One wayWhen to fly
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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
- Lowest observed
- €858, departing 18 Nov 2026 (Last checked: 30 Oct 2026)One-way fare · Priced departure days checked in the last 14 days: 36Check live prices for this route
- Airlines seen
- Aerolineas Argentinas, Air Canada, Air Europa, Arajet, Gol, Iberia, ITA Airways, Jeju Air, JetSmart, LATAM Airlines, Level, MIAT Mongolian Airlines, Plus Ultra Lineas Aereas, Sky Airline, Turkish Airlines (15)
- Typical journey time
- 43h 45m
About this route
Explore the fares we observed from Buenos Aires to Ulaanbaatar. Prices move often, so pick your dates to see the latest options.
- Route distance
- 18,100 km
- Typical journey time
- 43h 45m
- Seen on fares with a connection
- Level, JetSmart, Plus Ultra Lineas Aereas, Iberia, Aerolineas Argentinas, Turkish Airlines, Gol, LATAM Airlines, Air Europa, Jeju Air, ITA Airways, Sky Airline (12)
- Alternative airports
- AEP
Route-level information; individual journeys vary.
We have not observed non-stop service on this route; the fares shown include at least one stop.
A clearer picture of your fare
If the observed fare for this date drops, we will email you. At most one message a day.
Airport to city: straight-line distance
- Aeroparque Jorge Newbery (AEP) → Buenos Aires, city gazetteer reference point (-34.6084, -58.3732): ≈ 7 km.
- Ezeiza International Airport - Ministro Pistarini (EZE) → Buenos Aires, city gazetteer reference point (-34.6084, -58.3732): ≈ 28 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 Buenos Aires to Ulaanbaatar: November 2026, from €858 (checked 30 Oct 2026).
| Month | Lowest fare | Priced days |
|---|---|---|
| November 2026 | €858 | 21 |
| December 2026 | €901 | 12 |
| January 2027 | €906 | 3 |
Lowest fare by day of the week
Cheapest day of the week from Buenos Aires to Ulaanbaatar: Wednesday, from €858 (checked 30 Oct 2026).
| Day | Lowest fare | Priced days |
|---|---|---|
| Monday | €906 | 5 |
| Tuesday | €879 | 7 |
| Wednesday | €858 | 6 |
| Thursday | €988 | 5 |
| Friday | €911 | 3 |
| Saturday | €883 | 6 |
| Sunday | €921 | 4 |
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 Buenos Aires to Ulaanbaatar by days until departure (8 to 30 days): €858 (checked 30 Oct 2026).
| Days before departure | Lowest fare | Priced days |
|---|---|---|
| 8 to 30 days | €858 | 21 |
| 31 to 60 days | €901 | 12 |
| 61 days or more | €906 | 3 |
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 Buenos Aires to Ulaanbaatar: Plus Ultra Lineas Aereas, from €858 (checked 30 Oct 2026).
| Airline | Lowest fare | Priced days |
|---|---|---|
| Plus Ultra Lineas Aereas | €858Nov 18, 2026 | 10 |
| JetSmart | €879Nov 24, 2026 | 5 |
| Level | €901Dec 1, 2026 | 14 |
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 Buenos Aires to Ulaanbaatar?
The lowest fare Routavio has observed is €858, found on 30 Oct 2026. Prices move, so read it as a floor rather than a quote.
When is the cheapest month to fly from Buenos Aires to Ulaanbaatar?
Cheapest month from Buenos Aires to Ulaanbaatar: November 2026, from €858 (checked 30 Oct 2026).
Are there direct flights from Buenos Aires to Ulaanbaatar?
Our data holds no non-stop flight from Buenos Aires to Ulaanbaatar. The fares on this page include at least one stop.
Which airlines fly from Buenos Aires to Ulaanbaatar?
Routavio has seen these carriers on the route: Aerolineas Argentinas, Air Canada, Air Europa, Arajet, Gol, Iberia, ITA Airways, Jeju Air, JetSmart, LATAM Airlines, Level, MIAT Mongolian Airlines, Plus Ultra Lineas Aereas, Sky Airline, Turkish Airlines (15).
How long does the flight from Buenos Aires to Ulaanbaatar take?
Across the 52 fares Routavio observed, the average journey time is 62h 42m, including any stops. Individual departures vary; the fastest observed flight is listed in the route facts above.
How many of the observed Buenos Aires to Ulaanbaatar fares were non-stop?
None of the 52 fares we observed was non-stop; every one included at least one stop. That describes our observations, not every flight that operates.
Which day of the week is cheapest from Buenos Aires to Ulaanbaatar?
Cheapest day of the week from Buenos Aires to Ulaanbaatar: Wednesday, from €858 (checked 30 Oct 2026).
Which airline has the lowest fare from Buenos Aires to Ulaanbaatar?
Cheapest airline from Buenos Aires to Ulaanbaatar: Plus Ultra Lineas Aereas, from €858 (checked 30 Oct 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.