Next bus departures
| Operated by | Vehicle type | Departure time | Departure location | Trip duration | Arrival time | Arrival location | Recommended | Price and booking link |
|---|---|---|---|---|---|---|---|---|
 | Bus | Gare de Grenoble | Rennes | Cheapest | ||||
| Bus | Gare de Grenoble | Rennes | Fastest | ||||
| Bus | Gare de Grenoble | Rennes | No tags |
Last refresh of the prices: Today at 21:04 CET.
Compare 3 ways to travel from Grenoble to Rennes
Among the sustainable travel choices, the carpool stands out as a good way to reach Rennes. The journey takes about 8 hours 50 minutes and with fares starting at just £45, it presents an excellent value for a comfortable ride.
Where are the popular stops in Grenoble and Rennes?
Stops in Grenoble
- A
Gare de Grenoble
Gare Routière de Grenoble, Quais 1 et 2, 1222 Rue Emile Gueymard, 38000 Grenoble, France - B1408-1430 Rue des Résidences, 38400 Saint-Martin-d'Hères, France
- C
Grenoble
73 Rue Général Mangin, 38100 Grenoble, France
Stops in Rennes
- APlace de la gare, 35000 Rennes, France
- B
3 Place Henri Terrière
3 Place Henri Terrière, 35200 Rennes, France
Compare bus companies
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.
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 £67. Busbud recommends that you book your tickets in advance for a better chance to get the lowest possible price.
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 50m and is operated by BlaBlaCar Bus.
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.
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 23:35.
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.
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 11143 reviews.
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.
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.
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.
The cheapest trip from Grenoble to Rennes was searched and found on 27 Nov 2025 with a price of £36To 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 £36 to £74 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 £37, which is on 2025-12-01.
