The cheapest and fastest trains from London to Grenoble
Cheapest price
£348
Average price
£351
Fastest journey
6 h 42 m
Average duration
6 h 57 m
Trains per day
2
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 travelling at rush hour.
The average ticket from London to Grenoble will cost around £351 if you buy it on the day, but you can find cheap train tickets today for only £348.
To travel from London to Grenoble you need to make at least one change.
9004+
6917
9032+
6927
9032+
6927
9004+
6917Travel Information
Compare train, coach 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 flight with prices starting from £18. For those with little time consider booking a flight which can get you there in 2h 1m. 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 flight costs an average of £18, and a train costs an average of £167.
Distance: 824 km
Compare train with
| Train | Most popular Flight | Coach |
|---|---|---|
£264 Average Price | £65 Average Price Cheapest | £78 Average Price |
6h 33m Average total duration 6h 3m Onboard + 30m Additional time* | 5h 1m Average total duration Fastest 2h 1m Onboard + 3h 0m Additional time* | 18h 39m Average total duration 18h 9m 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 today, Tuesday 17 March. You can also manually refresh the results below to see updated train journeys.
| Provider | Departs | Duration | Arrives | Changes | Tickets |
|---|---|---|---|---|---|
9004+ 6917 | 07:01 London St Pancras International (STP) | 7h12 | 14:13 Grenoble Gare Routière | 1 change | |
9018+ 6919 | 10:31 London St Pancras International (STP) | 6h42 | 17:13 Grenoble Gare Routière | 1 change | |
9024+ 6923 | 12:31 London St Pancras International (STP) | 6h42 | 19:13 Grenoble Gare Routière | 1 change | |
9032+ 6927 | 14:31 London St Pancras International (STP) | 6h42 | 21:13 Grenoble Gare Routière | 1 change | |
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, coach or flight
Compare train, coach 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.
18 Mar
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Why should you book London to Grenoble trains with Omio?
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.
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 £167 but you can travel from only £18 by flight.
The earliest train runs at 05:07, the last at 16:47. The fastest train covers the 824 km distance in 6h 42m.
Distance 824 km |
Average train duration 6h 3m |
Cheapest ticket price £167 |
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 £18. With over 1000 travel companies on Omio, you can find the best train times and tickets for your trip.
TGV INOUI
Eurostar
Eurostar Trains from London to Grenoble
The Eurostar is a high-speed train company connecting the UK to continental Europe and beyond.
When planning trips to Eurostar destinations, consider checking back for offers on Eurostar tickets. Speak to the Customer Care team at the Omio help centre for cancellations or changes to your ticket from London to Grenoble.
FAQs: London to Grenoble train
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.

More options for your journey from London to Grenoble
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