The cheapest and fastest trains from Grenoble to Rennes
Cheapest price
€96
Average price
€132
Fastest journey
5 h 39 m
Average duration
5 h 42 m
Trains per day
9
Distance
651 km
The best way to find a cheap train ticket from Grenoble to Rennes is to book your journey as far in advance as possible and to avoid traveling at rush hour.
The average ticket from Grenoble to Rennes will cost around €132 if you buy it on the day, but the cheapest tickets can be found for only €96.
It's difficult to get from Grenoble to Rennes without transferring at least once.
17684+
5354 · 5470
17646+
5382
6908 · 8087
6922 · 8063
17612+
6612 · 8719
6908 · 8087
6910 · 8729
17696+
5386
6920 · 8739
17646+
5382Travel Information
Compare train, bus, and flight for Grenoble to Rennes
Omio recommends booking the bus as it is the most popular option from Grenoble to Rennes among Omio's users. If you are prioritising price take the bus with prices starting from €28. For those with little time consider booking a train which can get you there in 5h 2m. The ticket price range depends on the travel mode: a bus costs an average of €28, and a flight costs an average of €50.
Distance: 651 km
Compare train with
| Train | Most popular Bus | Flight |
|---|---|---|
€111 Average price | €51 Average price Cheapest | €130 Average price |
5h 32m Average total duration Fastest 5h 2m Onboard + 30m Additional time* | 13h 17m Average total duration 12h 47m Onboard + 30m Additional time* | 13h 29m Average total duration 10h 29m Onboard + 3h 0m Additional time* |
Direct Options | Direct Options | Direct Options |
Live departures
Grenoble to Rennes train times
The table below shows live departures for Grenoble to Rennes trains for today, Wednesday, February 11. You can also manually refresh the results below to see updated train journeys.
| Provider | Departs | Duration | Arrives | Transfers | Tickets |
|---|---|---|---|---|---|
![]() | 8:51 AM Grenoble | 5h49 | 2:40 PM Rennes | 0 transfersDirect | |
![]() | 12:30 PM Grenoble | 6h40 | 7:10 PM Rennes | 0 transfersDirect | |
![]() | 2:21 PM Grenoble | 6h04 | 8:25 PM Rennes | 0 transfersDirect | |
![]() | 3:45 PM Grenoble | 6h24 | 10:09 PM Rennes | 0 transfersDirect | |
| Thursday, February 12 | |||||
![]() | 5:46 AM Grenoble | 5h39 | 11:25 AM Rennes | 0 transfersDirect | |
Find all the dates and times for this journey
Compare prices and tickets Grenoble to Rennes by train, bus, or flight
Compare train, bus, and flight prices over the next three weeks. See the best deals at a glance, find the lowest fares, and choose the option that fits your budget.
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Journey information
Overview: Train from Grenoble to Rennes
Trains from Grenoble to Rennes run on average 11 times per day, taking around 5h 2m. Cheap train tickets for this journey start at €57 but you can travel from only €28 by bus.
The earliest train runs at 05:21, the last at 20:44. The fastest train covers the 651 km distance in 5h 38m.
Distance 651 km |
Average train duration 5h 2m |
Cheapest ticket price €57 |
Trains per day 11 |
Fastest train 5h 38m |
First train 05:21 |
Last train 20:44 |
Train companies: TGV INOUI from Grenoble to Rennes trainsTGV INOUI trains will get you between Grenoble and Rennes from €28. With over 1000 travel companies on Omio, you can find the best train times and tickets for your trip.
TGV INOUI
FAQs: Trains from Grenoble to Rennes
Find answers to the most common questions about traveling from Grenoble to Rennes by train. From journey times and ticket prices to direct connections, first and last departures, and even whether the route is scenic, our FAQs cover everything you need to plan your trip. Whether you’re looking for the fastest train, the cheapest option, or tips for making the most of your visit at Rennes, this guide helps you travel smarter and with confidence.

popular train stations
Popular train stations from Grenoble to Rennes
- 6:00 AM - 10:00 PM Monday - Sunday
- Free
- The car park is open 7 days a week from 5:00 a.m. to 1:00 a.m. Departures can be made outside of opening hours. Access via Rue Pierre Sémard.
- Restaurant Le Gratin Dauphinois
- Le Petit Bouche
- Outside the main entrance.
- Ramps, restrooms.
- €0.50
- Residhotel Central Gare
- ibis Styles Grenoble Centre Gare
- Hotel Europole
- Located in the main hall
- 180 places, covered
- Avis
- Europcar
- Located in the main hall
- Free
- Hall 1: main entrance, platforms 1-6 for trains to Lyon, Marseille, and regional destinations
- Tramway: Line A, Line B
- Bus: Several lines available
- 6:00 AM - 8:00 PM Monday - Sunday, closed on May 1st
- Free
- The car park is open 7 days a week with 214 spaces available. Access via Rue Emile Gueymard.
- Le Gratin Dauphinois
- Restaurant L'Inattendu
- Outside the main entrance.
- Ramps, restrooms.
- €0.50
- Hotel Europole
- Novotel Grenoble Centre
- Ibis Styles Grenoble Centre Gare
- Located in the main hall
- 50 places, covered
- Avis
- Europcar
- Located in the main hall
- Free
- Hall 1: main entrance, platforms 1-8 for trains to Lyon, Marseille, and international destinations
- Tramway: Line A, Line B
- Bus: Several lines available
- 5:30 AM - 10:00 PM Monday - Sunday
- Free
- The car park is open 7 days a week. Access is available from Rue de Châtillon.
- Le Café de Rennes
- L'Embarcadère
- Outside the main entrance.
- Elevators, ramps, restrooms.
- €0.50
- Hotel Ibis Rennes Centre Gare Sud
- Mercure Rennes Centre Gare
- Novotel Rennes Centre Gare
- Located in the main hall
- Located in the main hall
- 520 places, covered
- Avis
- Europcar
- Hertz
- Located in the main hall
- Free
- Hall 1: main entrance, platform 1-6 for TGV and regional trains
- Hall 2: local train platforms
- Hall 3: metro connections
- Metro: Line A
- Bus: Several lines available
Most popular train connections from Grenoble
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