$83 Flights from Cardiff (CWL) to Grenoble (GNB)

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Flight deals from Cardiff to Grenoble

Looking for a cheap last-minute deal or the best round-trip flight from Cardiff to Grenoble? Find the lowest prices on one-way and round-trip tickets right here.

Find the cheapest month to fly from Cardiff to Grenoble

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

Cardiff to Grenoble: Alternative routes

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

Cardiff to Grenoble: Flight information

The things to know before you go.
Cheapest flight found$83
Cheapest month to flyMarch

Finding cheap flights from Cardiff to Grenoble: Frequently asked questions

The best price we found for a round-trip flight from Cardiff to Grenoble is $157. 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 Cardiff to Grenoble. But we found flights with one or more stops from $157.
There are no flights flying from Cardiff to Grenoble, as of March 2026.
The cheapest month to fly from Cardiff to Grenoble is usually March.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Cardiff Airport to Grenoble Airport on Saturday, March 21, 2026.
No airlines currently offer direct flights between Cardiff 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, Ryanair offers the cheapest flight tickets to Grenoble.

Traveling from Cardiff Airport (CWL) to Grenoble-Isere Airport (GNB): what you need to know

  • Grenoble is one hour ahead of Cardiff and follows the UTC+1 timezone.

  • Leave plenty of time to catch your CWL to GNB flight. As a general rule, turn up at least two hours before international departures and an hour ahead for domestic flights.

  • Flying during a peak month like June? School holidays and other popular periods can result in longer queues and delays at airport checkpoints. Play it safe and get there up to four hours before an international flight and two hours before domestic departures.

  • Pick a stopover if you'd love to break up your flight. Simply deselect 'Direct flights only' to see all your options for tickets from Cardiff Airport to Grenoble-Isere Airport. Edinburgh Airport is a top stopover on the CWL to GNB route.

How to find the cheapest flights from Cardiff Airport (CWL) to Grenoble-Isere Airport (GNB)

  • Currently, $83 is the lowest price we've seen for a one-way Cardiff Airport to Grenoble-Isere Airport flight. The best price for a return ticket is $157. Remember that fares could change due to availability when booking.

  • Don't leave everything to the last moment. You're more likely to find cheap tickets from CWL to GNB if you book ahead. Airlines often offer some excellent early bird discounts.

  • Finding cheap flights from Cardiff Airport to Grenoble-Isere Airport is easier if you can be flexible with your trip dates. Use the 'Whole month' tool to see the lowest prices across every month and land a great deal.

  • Landing cheap flights from CWL to GNB is a cinch with Price Alerts. All you need to do is set up one of these automatic alerts and we'll notify you when a new discounted fare appears.

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

Handy information about Cardiff Airport (CWL)

  • When it comes to Cardiff Airport's on-time performance, data shows 66.16% of flights arrive within the expected timeframe.

  • Central Cardiff to Cardiff Airport is around 17 miles. Depending on traffic, it'll take about 30 minutes to get there if you're ride-sharing, catching a cab or driving.

  • The journey on public transport typically takes 1 hour 5 minutes.

  • Get your trip off to a hassle-free start by staying near CWL. Whether you're taking an early flight from Cardiff Airport to Grenoble-Isere Airport or just don't want to be rushed, these hotels are the answer:

Arriving at Grenoble-Isere Airport (GNB)

  • Consider staying in a hotel near GNB if you're taking a late Cardiff Airport to Grenoble-Isere Airport flight. Settle into one of these accommodation options and avoid the hassle of a long transfer:

  • Grab a Grenoble-Isere Airport rental car and discover Grenoble and beyond with your own wheels. Budget, Avis and Hertz are popular outlets you can book with here.

  • Lock in the lowest price by reserving your vehicle from Grenoble-Isere Airport about two weeks ahead of your departure.

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

  • Grenoble-Isere Airport to the center of Grenoble has a drive time of around 35 minutes. It's approximately 30 miles away.

When to fly to Grenoble-Isere Airport (GNB)

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

  • When reserving your flight from Cardiff Airport to Grenoble-Isere Airport, consider the kind of weather you enjoy. July is the warmest month in Grenoble, with the temperature ranging from 54ºF to 84ºF.

  • If you'd rather travel in cooler conditions, look for a cheap ticket from CWL to GNB in January. Average temperatures are between 21ºF and 46ºF then.

Explore more of France

  • Paris is just one of the many places in France waiting to be explored after you've seen Grenoble. Around 300 miles away to the north-west, its best attractions include Eiffel Tower, Louvre Museum and Cathédrale Notre-Dame de Paris.

  • Around 130 miles south of Grenoble, Marseille is another essential stop in France. Experience major highlights starting with 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.