$30 Cheap Flights from Grenoble (GNB) to Dublin (DUB)

View $30 flight on Sun, Dec 14, 2025Opens in a new window

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

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Cheap Flights from Grenoble to Dublin (GNB-DUB)

Prices were available within the past 7 days and start at $30 for one-way flights and for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Flights from Grenoble (GNB) to Dublin (DUB)
Origin airport
Grenoble - Isere
Destination airport
Dublin
Distance
760 mi

Grenoble to Dublin Flights

The cheapest times to fly from Grenoble to Dublin

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 Grenoble to Dublin are during the month of . You can find some of the cheapest flights from Grenoble to Dublin with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Grenoble to Dublin

Sunday is one of the best days to book for cheap flights from Grenoble to Dublin: 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 Grenoble to Dublin

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 Grenoble to Dublin in 2025. You can also book with separate airlines for your outbound and return journeys, from $30 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 Grenoble to Dublin 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 Grenoble to Dublin 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 Grenoble - Isere Airport (GNB) to Dublin Airport (DUB) cost?
Secure a cheap one-way flight from $30 or cheap return flight from Grenoble - Isere Airport (GNB) to Dublin Airport (DUB) 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 Grenoble - Isere Airport (GNB) to Dublin Airport (DUB)?
Planning your getaway for can help you save, as it's the cheapest month for flights between GNB and DUB. You'll typically find the lowest prices during the off-season.
Which airlines fly direct from Grenoble - Isere Airport (GNB) to Dublin Airport (DUB)?
You can't fly direct from Grenoble (GNB-Grenoble - Isere) to Dublin Airport (DUB). However, you can seamlessly travel to Dublin without any layovers by leaving from Saint-Exupery Airport (LYS).
What is the cheapest airline that flies from Grenoble - Isere Airport (GNB) to Dublin Airport (DUB)?
To find the cheapest airline flying from GNB to DUB, use Expedia's filter tool. Tailor your search based on your travel needs, such as preferred carriers and number of stops. You can then sort your results by "Price (lowest to highest)" to see the most affordable options first.
How many flights per day from Grenoble - Isere Airport (GNB) to Dublin Airport (DUB)?
On average, you can pick from 2 direct flights every week from Grenoble - Isere Airport (GNB) to Dublin Airport (DUB). To expand your choices, consider flights with layovers. Enter your dates on Expedia and then set the filter tool to include one or more stops.
What are the most popular departure times for flights from Grenoble - Isere Airport (GNB) to Dublin Airport (DUB)?
Flights between GNB and DUB are their busiest at 10 AM. If you're after a more relaxed trip and possibly cheaper prices, look for a departure outside the usual busy windows.
What day of the week has the most flights from GNB to DUB?
Depart on a Sunday if you're looking for the best choice of flights from Grenoble - Isere Airport (GNB) to Dublin Airport (DUB).
What is the earliest flight from Grenoble - Isere Airport (GNB) to Dublin Airport (DUB)?
Grenoble - Isere Airport (GNB)'s earliest flight to Dublin Airport (DUB) is at approximately 10:30AM UTC+1. With a total flight time of 2h 20m, you'll touch down at around 11:50AM UTC+0.
How long does it take to fly from Grenoble - Isere Airport (GNB) to Dublin Airport (DUB)?
The average flight duration from GNB to DUB is 2 hours and 20 minutes, covering a total distance of 760 mi.
What is the best time to fly from Grenoble - Isere Airport (GNB) to Dublin Airport (DUB)?
To avoid potential delays on the Grenoble - Isere Airport (GNB) to Dublin Airport (DUB) route, aim to fly before 3 PM. Later flights have a 22% higher chance of cancellation.**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 Dublin from Grenoble - Isere Airport (GNB)?
Browse your flight options from Grenoble - Isere Airport (GNB) to Dublin Airport (DUB). This is the only Dublin airport you can arrive at if you're taking a direct flight.
Is it cheaper to buy a plane ticket from Grenoble - Isere Airport (GNB) to Dublin Airport (DUB) last-minute?
Last-minute fares from GNB to DUB are typically more expensive. To secure the best prices, start searching for flights early. That said, if your travel plans are flexible, it's possible to land a cheap ticket right before your journey.
Is it cheaper to book a GNB to DUB flight and hotel package?
Opting for a GNB to DUB flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your trip all in one place. Pick from our extensive range of accommodations and then add car rentals, flights and activities to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Grenoble - Isere Airport (GNB) to Dublin Airport (DUB)?
If you booked your GNB to DUB flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of fare you purchased, additional charges may apply for changes after that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, go to our Customer Service portal for more details.

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