The cheapest and fastest trains from Rennes to Grenoble
Cheapest price
€102
Average price
€163
Fastest journey
5 h 21 m
Average duration
5 h 38 m
Trains per day
8
Distance
651 km
The best way to find a cheap train ticket from Rennes to Grenoble is to book your journey as far in advance as possible and to avoid traveling at rush hour.
The average ticket from Rennes to Grenoble will cost around €163 if you buy it on the day, but the cheapest tickets can be found for only €102.
It's difficult to get from Rennes to Grenoble without transferring at least once.
5338+
17645
12230 · 6689+
17643
8720 · 6921
5336+
17627
8706 · 6917
8090 · 6919
8720 · 6921
5336+
17627
8706 · 6917
8604 · 6275+
17576Travel Information
Compare train, bus, and flight for Rennes to Grenoble
Omio recommends booking the bus as it is the most popular option from Rennes to Grenoble 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 10m. The ticket price range depends on the travel mode: a bus costs an average of €28, and a flight costs an average of €52.
Distance: 651 km
Compare train with
| Train | Most popular Bus | Flight |
|---|---|---|
€107 Average price | €46 Average price Cheapest | €225 Average price |
5h 40m Average total duration Fastest 5h 10m Onboard + 30m Additional time* | 12h 4m Average total duration 11h 34m Onboard + 30m Additional time* | 13h 8m Average total duration 10h 8m Onboard + 3h 0m Additional time* |
Direct Options | Direct Options | Direct Options |
Live departures
Rennes to Grenoble train times
The table below shows live departures for Rennes to Grenoble trains for today, Tuesday, December 30. You can also manually refresh the results below to see updated train journeys.
| Provider | Departs | Duration | Arrives | Transfers | Tickets |
|---|---|---|---|---|---|
8630 · 6927 | On time 3:35 PM Rennes station | 5h38 | 9:13 PM Gare de Grenoble | 1 transfer | |
5338+ 17645 | On time 4:30 PM Rennes station | 6h09 | 10:39 PM Gare de Grenoble | 1 transfer | |
| Wednesday, December 31 | |||||
8604 · 6275+ 17576 | On time 7:35 AM Rennes station | 5h53 | 1:28 PM Gare de Grenoble | 2 transfers | |
8706 · 6917 | On time 8:35 AM Rennes station | 5h38 | 2:13 PM Gare de Grenoble | 1 transfer | |
This is the last train of the day. | |||||
Find all the dates and times for this journey
Compare prices and tickets Rennes to Grenoble 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.
Dec 31
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Journey information
Overview: Train from Rennes to Grenoble
Trains from Rennes to Grenoble run on average 11 times per day, taking around 5h 10m. Cheap train tickets for this journey start at €51 but you can travel from only €28 by bus.
The earliest train runs at 05:07, the last at 20:44. The fastest train covers the 651 km distance in 5h 30m.
Distance 651 km |
Average train duration 5h 10m |
Cheapest ticket price €51 |
Trains per day 11 |
Fastest train 5h 30m |
First train 05:07 |
Last train 20:44 |
Train companies: TGV INOUI from Rennes to Grenoble trainsTGV INOUI trains will get you between Rennes and Grenoble 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 Rennes to Grenoble
Find answers to the most common questions about traveling from Rennes to Grenoble 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 Grenoble, this guide helps you travel smarter and with confidence.

popular train stations
Popular train stations from Rennes to Grenoble
- 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
- 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
Most popular train connections from Rennes
More options for your journey from Rennes to Grenoble
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