$126 Cheap Flights from Dublin (DUB) to Grenoble (GNB)

View $126 flight on Sun, Feb 8, 2026Opens in a new window

Popular airlines from Dublin Airport (DUB) to Grenoble (GNB-Grenoble - Isere)

Cheap Flights from Dublin to Grenoble (DUB-GNB)

Prices were available within the past 7 days and start at $126 for one-way flights and $166 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Ryanair
Sat, Mar 21 - Sat, Mar 28
DUB
Dublin
GNB
Grenoble
$166 Roundtrip, found 6 days ago
$166
Roundtrip
found 6 days ago
Select Ryanair flight, departing Sat, Mar 21 from Dublin to Grenoble, returning Sat, Mar 28, priced at $166 found 6 days ago
Ryanair
Sun, Jan 11 - Sun, Jan 18
DUB
Dublin
GNB
Grenoble
$326 Roundtrip, just found
$326
Roundtrip
just found
Select Ryanair flight, departing Sun, Jan 11 from Dublin to Grenoble, returning Sun, Jan 18, priced at $326 just found
Ryanair
Sat, Mar 14 - Sat, Mar 21
DUB
Dublin
GNB
Grenoble
$409 Roundtrip, found 2 days ago
$409
Roundtrip
found 2 days ago
Select Ryanair flight, departing Sat, Mar 14 from Dublin to Grenoble, returning Sat, Mar 21, priced at $409 found 2 days ago
British Airways
Wed, Mar 18 - Sat, Mar 21
DUB
Dublin
GNB
Grenoble
$416 Roundtrip, found 1 day ago
$416
Roundtrip
found 1 day ago
Select British Airways flight, departing Wed, Mar 18 from Dublin to Grenoble, returning Sat, Mar 21, priced at $416 found 1 day ago
British Airways
Fri, Jan 9 - Sun, Jan 18
DUB
Dublin
GNB
Grenoble
$428 Roundtrip, found 5 days ago
$428
Roundtrip
found 5 days ago
Select British Airways flight, departing Fri, Jan 9 from Dublin to Grenoble, returning Sun, Jan 18, priced at $428 found 5 days ago
British Airways
Fri, Mar 20 - Sun, Mar 22
DUB
Dublin
GNB
Grenoble
$429 Roundtrip, found 1 day ago
$429
Roundtrip
found 1 day ago
Select British Airways flight, departing Fri, Mar 20 from Dublin to Grenoble, returning Sun, Mar 22, priced at $429 found 1 day ago
British Airways
Sat, Jan 10 - Sun, Jan 18
DUB
Dublin
GNB
Grenoble
$441 Roundtrip, found 5 days ago
$441
Roundtrip
found 5 days ago
Select British Airways flight, departing Sat, Jan 10 from Dublin to Grenoble, returning Sun, Jan 18, priced at $441 found 5 days ago
Ryanair
Sat, Feb 7 - Sat, Feb 14
DUB
Dublin
GNB
Grenoble
$443 Roundtrip, found 3 days ago
$443
Roundtrip
found 3 days ago
Select Ryanair flight, departing Sat, Feb 7 from Dublin to Grenoble, returning Sat, Feb 14, priced at $443 found 3 days ago
British Airways
Wed, Mar 18 - Sat, Mar 21
DUB
Dublin
GNB
Grenoble
$445 Roundtrip, found 1 day ago
$445
Roundtrip
found 1 day ago
Select British Airways flight, departing Wed, Mar 18 from Dublin to Grenoble, returning Sat, Mar 21, priced at $445 found 1 day ago
British Airways
Sun, Jan 11 - Sun, Jan 18
DUB
Dublin
GNB
Grenoble
$454 Roundtrip, found 5 days ago
$454
Roundtrip
found 5 days ago
Select British Airways flight, departing Sun, Jan 11 from Dublin to Grenoble, returning Sun, Jan 18, priced at $454 found 5 days ago

Alternative airports near Grenoble

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Saint-Exupery LYS. Cheapest option available. Average driving time to city center is 57 minutes. Flights from $144
LYS
Saint-Exupery
Cheapest
Average driving time to city center57 min
Flights from $144
Flights from Dublin (DUB) to Grenoble (GNB)
Origin airport
Dublin
Destination airport
Grenoble - Isere
Airlines serving
British Airways
Roundtrip price
$166
Distance
760 mi

Dublin to Grenoble Flights

The cheapest times to fly from Dublin to Grenoble

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Dublin to Grenoble are during the month of March. You can find some of the cheapest flights from Dublin to Grenoble with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Dublin to Grenoble

Sunday is one of the best days to book for cheap flights from Dublin to Grenoble: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Dublin to Grenoble

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Dublin to Grenoble in 2025. You can also book with separate airlines for your outbound and return journeys, from $126 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Dublin to Grenoble flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Dublin to Grenoble airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from Dublin Airport (DUB) to Grenoble - Isere Airport (GNB) cost?
Get a cheap one-way flight from $126 or cheap return flight from $166 from Dublin Airport (DUB) to Grenoble - Isere Airport (GNB) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight deals on this route.
What is the cheapest month to fly from Dublin Airport (DUB) to Grenoble - Isere Airport (GNB)?
The cheapest month to fly from DUB to GNB is March, when there's less demand. Off-peak months are usually when airlines offer lower prices between these airports.
What is the cheapest airline that flies from Dublin Airport (DUB) to Grenoble - Isere Airport (GNB)?
Expedia's filter tool lets you easily compare different airlines, travel time and fares all in one place. Tailor the search to your trip, then sort by "Price (lowest to highest)" to find the carrier with the cheapest DUB to GNB flight.
How many flights per day from Dublin Airport (DUB) to Grenoble - Isere Airport (GNB)?
On average, you can choose from 2 direct flights every week from Dublin Airport (DUB) to Grenoble - Isere Airport (GNB). For more flexibility, consider a flight with a layover. Just enter your details on Expedia and then filter your search to show one or more stops.
What are the most popular departure times for flights from Dublin Airport (DUB) to Grenoble - Isere Airport (GNB)?
More passengers fly between DUB and GNB at 6 AM than at any other point in the day. Looking for a quieter experience? Try choosing a quieter departure window and it's possible you'll save on your ticket as well.
What day of the week has the most flights from DUB to GNB?
Fly on a Sunday if you're searching for the biggest selection of flights from Dublin Airport (DUB) to Grenoble - Isere Airport (GNB).
What is the earliest flight from Dublin Airport (DUB) to Grenoble - Isere Airport (GNB)?
Dublin Airport (DUB)'s first flight to Grenoble - Isere Airport (GNB) is at approximately 6:35AM UTC+0. With a travel time of 2h 10m, you'll land at around 9:45AM UTC+1.
How long does it take to fly from Dublin Airport (DUB) to Grenoble - Isere Airport (GNB)?
It takes roughly 2 hours and 10 minutes to cover the 760 mi from DUB to GNB.
What is the best time to fly from Dublin Airport (DUB) to Grenoble - Isere Airport (GNB)?
To land at Grenoble - Isere Airport (GNB) without delays, pick a flight that takes off from Dublin Airport (DUB) before 3 PM. The likelihood of cancellations is 22% higher, on average, for departures after this hour.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports do you fly into for Grenoble from Dublin Airport (DUB)?
Catch a direct flight from Dublin Airport (DUB) to Grenoble and touch down at Saint-Exupery Airport (LYS). An alternative arrival point to the city is Grenoble - Isere Airport (GNB).
Is it cheaper to buy a plane ticket from Dublin Airport (DUB) to Grenoble - Isere Airport (GNB) last-minute?
Last-minute fares from DUB to GNB are usually more expensive. For the lowest rates, start searching for flights as soon as possible. That being said, if you're flexible with your travel dates, it's possible to find a cheap fare right before your trip.
Is it cheaper to book a DUB to GNB flight and hotel package?
You'll generally save money by securing a DUB to GNB flight and hotel package compared to booking separately. In fact, you could save hundreds of dollars by bundling with Expedia. And it's easy to manage it all in one place. After selecting your ideal flights and accommodations, consider adding extras including activities, car rentals and tours.
Can I cancel or change the date of my flight from Dublin Airport (DUB) to Grenoble - Isere Airport (GNB)?
If you reserved your DUB to GNB flight within the last 24 hours, you may be able to cancel or modify it without fees. Depending on the airline and the fare type you purchased, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, visit our Customer Service portal if you'd like more information.

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*Available to One Key members.