Bus from Porto Alegre, RS to Buenos Aires, AR: Tickets & Schedules

Next bus departures

Next departures for Porto Alegre to Buenos Aires on February 5
Operated byVehicle typeDeparture timeDeparture locationTrip durationArrival timeArrival locationRecommendedPrice and booking link
Flecha BusBus
Rodoviária de Porto Alegre
Terminal de RetiroCheapestFastest
Flecha BusBus
Rodoviária de Porto Alegre
Terminal de RetiroNo tags
Dumas Cat + Balut
Bus
    Rodoviária de Porto Alegre
    Terminal de RetiroNo tags
    Rio Uruguay + Rio Uruguay
    Bus
    Rodoviária de Porto Alegre
    Terminal de RetiroNo tags
    Flecha BusBus
    Rodoviária de Porto Alegre
    Terminal de RetiroNo tags

    Last refresh of the prices: Today at 9:30 AM -03.

    Get from Porto Alegre to Buenos Aires

    This route is served by bus only

    The journey takes about 1 day, 5 hours 20 minutes, and with fares starting at just $165, it presents an excellent value for a comfortable ride.

    5bus per day
    1d 5hAverage Duration
    843 kmDistance
    21kgCO₂ emissions

    Frequently asked questions about travelling from Porto Alegre, RS to Buenos Aires, AR by bus

    Please note that schedules, routes, or operator details shown here may be updated or vary at the time of your trip.

    1. How much is the bus ticket from Porto Alegre to Buenos Aires?

      The cheapest bus tickets from Porto Alegre to Buenos Aires start from $165. The average price for this route is around $257. Busbud recommends that you book your tickets in advance for a better chance to get the lowest possible price.

    2. How long is the bus ride from Porto Alegre to Buenos Aires?

      The average bus travel time from Porto Alegre to Buenos Aires is 1d 5h, covering a distance of 843 km. The quickest bus can get you there in 19h 50m and is operated by Flechabus.

    3. Which bus companies service the Porto Alegre to Buenos Aires route?

      Several major bus companies operate on this route with 5 buses available per day, including services from Flechabus, JBL Turismo, EGA, Rio Uruguay, Eucatur, Viação Planalto.

    4. What are the earliest and latest departure times for the bus from Porto Alegre to Buenos Aires?

      The earliest bus departs from Porto Alegre to Buenos Aires at 6:30am. And the latest bus departs at 11:55pm.

    5. What are the CO₂ emissions for the bus trip from Porto Alegre to Buenos Aires?

      A bus trip from Porto Alegre to Buenos Aires generates an estimated 21 kg of CO₂, making it a highly eco-friendly travel option and a mode of travel recommended by Busbud.

    6. What is the best bus company from Porto Alegre to Buenos Aires?

      According to Busbud customers, the highest-rated bus company on this route is EGA, with an average rating of 4.5 out of 5 stars based on 602 reviews.

    7. Which bus company has the best Wi-Fi from Porto Alegre to Buenos Aires?

      Based on Busbud reviews, the bus company EGA has the highest Wi-Fi rating with a score of 3.6.

    8. Which bus company has the best on-time performance from Porto Alegre to Buenos Aires?

      According to Busbud traveller reviews, the most punctual bus company on this route is EGA, with a punctuality rating of 4.5 out of 5 stars.

    9. Which bus company has the cleanest buses from Porto Alegre to Buenos Aires?

      According to Busbud traveller reviews, the bus company with the cleanest buses on this route is EGA, with a cleanliness rating of 4.8 out of 5 stars.

    Find cheapest prices for buses

    Price is for a one-way ticket for one passenger and based on past searches.

    Best price found
    02-02
    $162
    02-03
    $181
    Today
    $163
    02-05
    $163
    02-06
    $180
    02-07
    $163
    02-08
    $163
    02-09
    $163
    busbud logoThe cheapest trip from Porto Alegre, RS to Buenos Aires, AR was searched and found on Feb 2, 2026 with a price of $162

    To save money and be sure you have the best seat, it's a good idea to buy your bus tickets from Porto Alegre, RS to Buenos Aires, AR, as early as possible.

    You can expect to pay from $162 to $254 for a bus ticket from Porto Alegre, RS to Buenos Aires, AR based on the last 2 days. You can expect to find the cheapest price for the trip at $163 which is on 2026-02-05.

    Usually Flechabus will charge you higher prices for tickets closer to the departure date. To find the best prices, you should be flexible on your date of travel.

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