The cheapest and fastest trains from London to Grenoble
Cheapest price
$348
Average price
$348
Fastest journey
6 h 42 m
Average duration
9 h 32 m
Trains per day
3
Distance
824 km
The best way to find a cheap train ticket from London to Grenoble is to book your journey as far in advance as possible and to avoid traveling at rush hour.
The average ticket from London to Grenoble will cost around $348 if you buy it on the day, but the cheapest tickets can be found for only $348.
It's difficult to get from London to Grenoble without transferring at least 2 times.






Travel Information
Compare train, bus, and flight for London to Grenoble
Omio recommends booking the flight as it is the most popular option from London to Grenoble among Omio's users. If you are prioritising price take the bus with prices starting from €39. For those with little time consider booking a flight which can get you there in 2h 2m. In case you are seeking to minimise your carbon footprint the train is your best bet as it emits only 0.2 - 0.7kg. The ticket price range depends on the travel mode: a bus costs an average of €39, and a train costs an average of €283.
Distance: 512 miles (824 km)
Compare train with
| Train | Most popular Flight | Bus |
|---|---|---|
€283 Average price | €106 Average price | €94 Average price Cheapest |
6h 33m Average total duration 6h 3m Onboard + 30m Additional time* | 5h 2m Average total duration Fastest 2h 2m Onboard + 3h 0m Additional time* | 18h 56m Average total duration 18h 26m Onboard + 30m Additional time* |
0.2 - 0.7kg CO2 emissions Lowest | 2.5 - 4.9kg CO2 emissions | 0.8 - 2.1kg CO2 emissions |
![]() Most popular train company | ![]() Most popular airline | ![]() Most popular bus company |
Direct Options | Direct Options | Direct Options |
Additional time: Average total travel duration to departure point, security checks and transfers.
Live departures
London to Grenoble train times
The table below shows live departures for London to Grenoble trains for tomorrow, Wednesday, January 14. You can also manually refresh the results below to see updated train journeys.
| Provider | Departs | Duration | Arrives | Transfers | Tickets |
|---|---|---|---|---|---|
![]() | 12:31 PM London | 7h42 | 8:13 PM Grenoble | 2 transfers | |
![]() | 2:31 PM London | 6h42 | 9:13 PM Grenoble | 2 transfers | |
![]() | 8:01 PM London | 14h12 | 10:13 AM Grenoble | 2 transfers | |
This is the last train of the day. | |||||
Find all the dates and times for this journey
Compare prices and tickets London 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.
Jan 14
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Feb 03
Why should you book London to Grenoble trains with Omio?
TGV INOUI as well as Eurostar offer trains services from London to Grenoble. Omio is an official ticket reseller for all your travel options from London to Grenoble.
Why book with Omio vs TGV INOUI?
- Compare with other providers: On Omio, you can not only buy tickets for TGV INOUI, but also compare tickets for the likes of Eurostar to find the best option for your trip from London to Grenoble.
- Designed for International Travelers: Omio is in your language including 24/7 customer service and offers multiple payment options, including PayPal, credit cards, and bank transfer, in your preferred currency.
- Compare all your options: Omio allows you to compare TGV INOUI with all available travel options, which are train, bus and flight to ensure you get the best deal for traveling from London to Grenoble.
Why book with Omio over Trainline and Rail Europe?
- Multiple travel company options: While TGV INOUI tickets can be bought on TGV INOUI's website or third party sellers, Omio allows you to compare with the likes of Eurostar to help you choose the right option for your journey from London to Grenoble.
- Multiple modes of transport: Omio allows you to compare travel options including train, bus and flight to find the ideal travel option from London to Grenoble.
Journey information
Overview: Train from London to Grenoble
Trains from London to Grenoble run on average 5 times per day, taking around 6h 3m. Cheap train tickets for this journey start at $352 (€283) but you can travel from only $35 (€28) by flight.
The earliest train runs at 05:07, the last at 16:47. The fastest train covers the 512 miles (824 km) distance in 6h 42m.
Distance 512 miles (824 km) |
Average train duration 6h 3m |
Cheapest ticket price $352 (€283) |
Trains per day 5 |
Fastest train 6h 42m |
First train 05:07 |
Last train 16:47 |
Train companies: TGV INOUI, Eurostar from London to Grenoble trainsTGV INOUI, Eurostar trains will get you between London and Grenoble from $35 (€28). With over 1000 travel companies on Omio, you can find the best train times and tickets for your trip.
TGV INOUI
Eurostar
FAQs: Trains from London to Grenoble
Find answers to the most common questions about traveling from London 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.

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