Cheapest€11.18
- Cauvi C419712:312h 51m15:22Terminal ColónTerminal 46
Door to door 3h 35mCO2 5.5 kgChanges 0Changeable for a fee
Montevideo to Buenos Aires bus
Buses from Montevideo to Buenos Aires start at €12.83 and take 3h 27m at their fastest.
The Buses from Montevideo to Buenos Aires starts at €12.83 and takes 3h 27m door to door, run by 3 operators over 203 km, with around 30 departures a day. Fares bottom out about 60 days before departure.
- 3h 27mDoor to door
- 2h 43mMoving
- €12.83From
- 5.5 kgCO2
The cheapest and the fastest on September 29, 2026
Two journeys we can sell today, with the service number each operator files them under.
Fastest€13.93
- Ega E330108:192h 43m11:02Terminal ColónTerminal 46
Door to door 3h 27mCO2 5.5 kgChanges 0Changeable for a fee
Bus operators
Speed, flexibility and what is on board. Nothing here is a rating, because we have not earned one.
| Operator | From |
|---|---|
| Cauvi | €11.18 |
 Ega | €11.18 |
| General Belgrano | €11.73 |
That is the traveling done. What happens after you walk out into Buenos Aires is not something we sell.
A room in Buenos Aires for the night the bus gets in
Sort by distance from Buenos Aires train station and you can see which places are ten minutes on foot and which are not.
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When to book Montevideo to Buenos Aires
The same search run across the whole booking window, so the shape of the curve is visible rather than described.
- €11.7390 days
- €10.0760 days
- €11.1845 days
- €11.7330 days
- €13.3821 days
- €16.1314 days
- €19.987 days
- €20.533 days
- €24.931 days
- Cheapest lead time
- Fares bottom out around 60 days ahead, at €10.07.
- How much it moves
- The gap between the cheapest and most expensive lead time is 148 percent. The most expensive point is €24.93, 1 days out.
- What that means
- Today sits inside the cheap window, which closes about 60 days before departure. Waiting from here has usually cost money on this corridor rather than saved it.
Which departure day costs least
Median cheapest fare for each weekday, taken across the next three weeks of real prices.
- €14.48Sun
- €13.38Mon
- €12.83Tue
- €13.93Wed
- €16.13Thu
- €15.58Fri
- €16.13Sat
Where you leave from and where you arrive
The stations, airports and ports each mode on this corridor actually uses.
Montevideo
Bus
- Terminal Colón
- Terminal Portones
Buenos Aires
Bus
- Terminal 46
- Terminal Línea 194
What the journey actually looks like
Direct or connecting, how far the route really runs, and what happens when a connection is missed.
- How far it really runs
- The route covers 203 km against 203 km in a straight line, a detour of 1 percent. Track and road geometry account for the difference.
- First and last departure
- The first service of the day leaves Montevideo at 06:01 and the last at 21:17, across 30 departures. The return direction keeps its own timetable, so the times back are not these times reversed.
Buses against the other ways to make this journey
The same corridor, door to door, with every mode that runs it.
| Mode | Door to door | Moving | At the ends | From | CO2 | Per day |
|---|---|---|---|---|---|---|
| Coach | 3h 27m | 2h 43m | 44m | €12.83 | 5.5 kg | 30 |
| Flight | 3h 51m | 41m | 3h 10m | €31.41 | 51.4 kg | 28 |
| Ferry | 7h 35m | 6h 5m | 1h 30m | €15.74 | 23.3 kg | 10 |
Questions about Montevideo to Buenos Aires
The questions people actually ask about this trip, answered from the same prices and times the page above is built on rather than written once and left to go stale.
How long does the Coach from Montevideo to Buenos Aires take?
The Coach from Montevideo to Buenos Aires takes 3h 27m door to door, of which 2h 43m is spent moving. The route runs 203 km. The difference between the two times is reaching the terminal and leaving it at the far end, which every time on this page includes.
How much does the Coach from Montevideo to Buenos Aires cost?
The Coach from Montevideo to Buenos Aires starts at €12.83 for one passenger, checked on September 29, 2026. A typical fare is €13.38. Both are the total including taxes, supplier fees and our service fee, so the price here is the price at checkout.
Who runs the Coach from Montevideo to Buenos Aires?
3 operators run the Coach from Montevideo to Buenos Aires: Cauvi, Ega, General Belgrano. Between them they file around 30 departures a day. The operator table on this page compares them on fare, journey time, cruising speed, fare conditions and what is provided on board.
Which terminal does the Coach from Montevideo to Buenos Aires use?
The Coach from Montevideo to Buenos Aires leaves from Terminal Colón and arrives at Terminal 46. Allow about 44m for reaching the departure terminal and leaving the arrival one. That time is already inside every door to door figure quoted on this page.
Is the Coach the best way from Montevideo to Buenos Aires?
The Coach is both the cheapest and the fastest way from Montevideo to Buenos Aires, at €12.83 and 3h 27m door to door, against 2 other modes that also run the corridor. On this route there is no trade to make between the money and the hours.
When should I book the Coach from Montevideo to Buenos Aires?
Fares for the Coach from Montevideo to Buenos Aires bottom out around 60 days ahead, at €10.07. The gap between the cheapest and most expensive lead time across the window is 148 percent, measured on September 29, 2026. Booking inside the final week has consistently cost more.
How much CO2 does the Coach from Montevideo to Buenos Aires produce?
The Coach from Montevideo to Buenos Aires produces about 5.5 kg of CO2 per passenger over 203 km, which works out at roughly 27 grams per passenger kilometer. That figure is for the whole journey and for one traveler, not for the vehicle.
What is provided on board the Coach from Montevideo to Buenos Aires?
Operators on the Coach from Montevideo to Buenos Aires publish Power outlets, Restrooms, Wi-Fi. That is what 3 carriers on this corridor state about their own fleets, across a journey of 3h 27m door to door. Where a carrier publishes nothing, this page lists nothing for it.
Where these numbers come from
Observed service A carrier record shows this named operator serving this named pair, and we carry that through unchanged.
Schedules, seat counts and fares are generated by our own model until the supplier contracts are signed. Places, coordinates, operators, which operator serves which pair, and every distance are real. We would rather say that on every page than let a modeled number pass for a filed one.
Defined in full at Door to door, Fares, The booking window, Carbon
- On this page
- Every figure above was computed for Montevideo to Buenos Aires on September 10, 2026: 203 km of route against 203 km in a straight line, 30 services a day, 3 operators, a cheapest fare of €12.83, and 3h 27m door to door on the fastest mode. The return direction is computed separately and its numbers are not these numbers.
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Being on the water gives Buenos Aires a set of days out that do not start at a station. We do not sell those either.
Day trips out of Buenos Aires and across Argentina
Day trips that leave Buenos Aires in the morning and cover a good part of Argentina by evening.
See Buenos Aires on CivitatisOr browse GetYourGuide
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