221 € Cheap Flights from Southampton to Grenoble

Compare Southampton to Grenoble flight deals

Find the cheapest month or even day of the year to fly to Grenoble

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Find the cheapest month to fly from Southampton to Grenoble

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Southampton to Grenoble flights are currently cheapest in March.

Southampton to Grenoble: Alternative routes

Compare routes from Southampton to Grenoble below. You may find an airport to fly into that's cheaper, faster, or easier than Grenoble.

Southampton to Grenoble: Flight information

The things to know before you go.
Cheapest flight found221 €
Cheapest month to flyMarch

Finding cheap flights from Southampton to Grenoble: Frequently asked questions

The best price we found for a return flight from Southampton to Grenoble is 221 €. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
Currently, there are no airlines that fly direct from Southampton to Grenoble. But we found flights with one or more stops from 221 €.
As of February 2026, there are no flights flying from Southampton to Grenoble.
The cheapest month to fly from Southampton to Grenoble is usually March.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Southampton Airport to Grenoble Airport on Saturday, 7 March 2026.
No airlines currently offer direct flights between Southampton Airport and Grenoble Airport. Most routes have one or more stops.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Grenoble but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Grenoble is around 40 days in advance, so don’t leave your flight to the last minute.
Currently, easyJet offers the cheapest flight tickets to Grenoble.

Travelling from Southampton Airport (SOU) to Grenoble-Isere Airport (GNB): what you need to know

  • Grenoble's timezone is UTC+1, making Grenoble one hour ahead of Southampton.

  • To ensure you get on your SOU to GNB flight, allow plenty of time to check in and find your gate. Arriving two hours before international departures and an hour before domestic flights is the general travel rule.

  • You'll likely experience longer queues during popular months like August. Arriving up to four hours ahead of international flights and two hours for domestic departures will give you ample time for security and boarding.

  • Consider adding a stopover when booking your ticket from Southampton Airport to Grenoble-Isere Airport. Simply uncheck 'Direct flights only' to break up your journey, or perhaps see a new city along the way. Here are some options between SOU and GNB:

    • Edinburgh Airport

    • Newcastle International Airport

    • Dublin Airport

How to find the cheapest flights from Southampton Airport (SOU) to Grenoble-Isere Airport (GNB)

  • The cheapest price we've found for a one-way Southampton Airport to Grenoble-Isere Airport flight is 104 €. A round-trip fare is currently 221 €. Depending on the availability when you book, these fares can change.

  • Don't leave things to the last minute. You're more likely to find cheap tickets from SOU to GNB if you book in advance. Airlines often offer some amazing early bird deals.

  • If you're flexible with your trip dates, try using the 'Whole month' search tool. It'll show you the lowest price in every month when searching for your flight from Southampton Airport to Grenoble-Isere Airport.

  • Save time searching for cheap flights from SOU to GNB by creating a Price Alert. You'll get an email or notification on the app when a special offer becomes available.

  • Pick your preferred departure and arrival times, airlines and number of stops with the filters. Alternatively, sort your results by 'Cheapest' to see the best deals on flights from Southampton Airport to Grenoble-Isere Airport.

Handy information about Southampton Airport (SOU)

  • Of the departures from Southampton Airport, 55.7% arrive on time at their destination.

  • Central Southampton to Southampton Airport is around 8 kilometres. Depending on traffic, it'll take you about 20 minutes to get there if you're ride-sharing, catching a cab or driving.

  • You can expect a journey time of about 25 minutes on public transport.

  • Need a handy hotel near SOU? If you're boarding an early flight from Southampton Airport to Grenoble-Isere Airport, these stays will put you moments from your departure gate:

Arriving at Grenoble-Isere Airport (GNB)

Getting from Grenoble-Isere Airport (GNB) to central Grenoble

  • From Grenoble-Isere Airport, Grenoble is approximately 48 kilometres away. It takes around 35 minutes to get to the centre driving.

When to fly to Grenoble-Isere Airport (GNB)

  • It's time to choose your dates for your flight from Southampton Airport to Grenoble-Isere Airport. March is the most popular month to visit Grenoble. If you want a quieter vibe, go in June.

  • When reserving your flight from Southampton Airport to Grenoble-Isere Airport, consider the type of weather you like. July is the warmest month in Grenoble, with temperatures ranging from 12ºC (54ºF) to 29ºC (84ºF).

  • Look for cheap tickets from SOU to GNB in January if you like travelling in cooler conditions. Temperatures are at their lowest around then, ranging between -6ºC (21ºF) and 8ºC (46ºF) on average.

Explore more of France

  • Paris is just one of the many places in France waiting to be discovered once you've seen Grenoble. Around 483 kilometres away to the north-west, top sights here include Eiffel Tower, Louvre Museum and Cathédrale Notre-Dame de Paris.

  • Marseille is another favourite destination in France and is around 209 kilometres south of Grenoble. No journey is complete without experiencing Old Port of Marseille, Le Panier and Cathédrale La Major.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.