Bus from Grenoble to Rennes: Tickets & Timetables

Next bus departures

Next departures from Grenoble to Rennes on 18 January
Operated byVehicle typeDeparture timeDeparture locationTrip durationArrival timeArrival locationRecommendedPrice and booking link
BlaBlaCar BusBus
    Gare de Grenoble
    RennesCheapest
    BlaBlaCar BusBus
      Gare de Grenoble
      RennesFastest
      BlaBlaCar BusBus
        Gare de Grenoble
        RennesNo tags
        BlaBlaCar BusBus
          Gare de Grenoble
          RennesNo tags

          Last refresh of the prices: Last Wednesday at 15:35 CET.

          Compare 3 ways to travel from Grenoble to Rennes

          We recommend carpooling

          Among the sustainable travel choices, the Carpool stands out as a good way to reach Rennes. The journey takes about 9 hours and with fares starting at just £48, it presents an excellent value for a comfortable ride.

          5carpool per day
          9hAverage duration
          404 milesDistance
          27kgCO₂ emissions
          Average price£28 - £198Average duration15h 10m
          16kg CO₂e
          Average price£79 - £297Average duration6h 13m
          16kg CO₂e
          Carpool
          Average price£48 - £90Average duration9h
          27kg CO₂e

          Frequently asked questions about travelling by bus from Grenoble to Rennes

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

          1. How much is the bus ticket from Grenoble to Rennes?

            The cheapest coach tickets from Grenoble to Rennes start from £28. The average price for this route is around £69. 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 journey from Grenoble to Rennes?

            The average bus journey time from Grenoble to Rennes is 15h 10m, covering a distance of 403 miles. The fastest bus can take you there in 12h 20m and is operated by BlaBlaCar Bus.

          3. Which bus companies service the Grenoble to Rennes route?

            Several major bus companies operate on this route with 5 buses available per day, including services from FlixBus, BlaBlaCar Bus.

          4. What is the earliest and latest departure time for the bus from Grenoble to Rennes?

            The earliest bus departs from Grenoble to Rennes at 00:25. And the latest bus departs at 23:50.

          5. What are the CO₂ emissions for the bus trip from Grenoble to Rennes?

            A bus journey from Grenoble to Rennes produces an estimated 16 kg of CO₂, making it a highly eco-friendly choice and a mode of travel recommended by Busbud.

          6. Which is the best bus company from Grenoble to Rennes?

            According to Busbud customers, the highest-rated bus company on this route is BlaBlaCar Bus, with an average rating of 3.7 out of 5 stars based on 11357 reviews.

          7. Which company has the best Wi-Fi from Grenoble to Rennes?

            Based on Busbud reviews, the bus company FlixBus has the best Wi-Fi rating with a score of 2.7.

          8. Which bus company offers the most punctual service from Grenoble to Rennes?

            According to Busbud traveller reviews, the most punctual bus company on this route is FlixBus, with a punctuality rating of 3.9 out of 5 stars.

          9. Which bus company has the cleanest buses from Grenoble to Rennes?

            According to Busbud traveller reviews, the bus company with the cleanest buses on this route is BlaBlaCar Bus, with a cleanliness rating of 4.3 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
          15/01
          £29
          16/01
          £40
          Today
          £27
          18/01
          £29
          19/01
          £29
          20/01
          No data
          21/01
          No data
          22/01
          £29
          busbud logoThe cheapest trip from Grenoble to Rennes was searched and found on 17 Jan 2026 with a price of £27

          To save money and be sure you have the best seat, it's a good idea to buy your bus tickets from Grenoble to Rennes as early as possible.

          You can expect to pay from £27 to £78 for a bus ticket from Grenoble to Rennes based on the last 2 days. You can expect to find the cheapest price for the trip at £29, which is on 2026-01-19.

          People from around the world trust Busbud