$288 Cheap Flights from Athens (ATH) to Grenoble (GNB)

View $288 flight on Fri, Jan 30, 2026Opens in a new window

Popular airlines from Athens Intl. Airport (ATH) to Grenoble (GNB-Grenoble - Isere)

  • Plan, book, fly with confidence

  • trending down icon

    Be in the know

    Get alerts if flight prices drop or rise*
  • bex rewards loyalty icon

    Book smarter

    Save up to 30% on select hotels after you book a flight*
  • one key icon

    Earn twice

    Earn your airline miles on top of our OneKeyCash
    Learn about One Key

Cheap Flights from Athens to Grenoble (ATH-GNB)

Prices were available within the past 7 days and start at $288 for one-way flights and for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Flights from Athens (ATH) to Grenoble (GNB)
Origin airport
Eleftherios Venizelos
Destination airport
Grenoble - Isere
Distance
1085 mi

Athens to Grenoble Flights

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

 

The best time to book a flight from Athens to Grenoble

Sunday is one of the best days to book for cheap flights from Athens 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 Athens 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 Athens to Grenoble in 2025. You can also book with separate airlines for your outbound and return journeys, from $288 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 Athens 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 Athens 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 Eleftherios Venizelos Airport (ATH) to Grenoble - Isere Airport (GNB) cost?
Discover the latest flight deals from ATH to GNB by entering your preferred travel dates and searching on Expedia. Easily compare prices by departure date if you have flexibility with your schedule and use handy filters to explore prices for your preferred journey. As a member of One Key™, our free loyalty program, you can use Price Tracking to watch fares and receive notifications if prices go up or down.
What is the cheapest month to fly from ATH to GNB?
The cheapest flights from ATH to GNB are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
What is the cheapest airline that flies from ATH to GNB?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that'll take you from ATH to GNB. Sort your results by "Price (lowest to highest)" to snap up a great deal.
How many flights per day from Eleftherios Venizelos Airport (ATH) to Grenoble - Isere Airport (GNB)?
You'll have to catch a flight with a layover if you're traveling from Eleftherios Venizelos Airport (ATH) to Grenoble - Isere Airport (GNB). Direct flights don't operate daily on this route. However, simply filter your search to include one or more stops to discover an option that works for you.
What day of the week has the most flights from ATH to GNB?
You'll typically find Tuesday the quietest day for flights, while Fridays tend to be the busiest.* However this can vary from season to season and during public holidays or peak travel times.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Eleftherios Venizelos Airport (ATH) to Grenoble - Isere Airport (GNB)?
Opt for a flight from Eleftherios Venizelos Airport (ATH) to Grenoble - Isere Airport (GNB) that takes off before 3 PM to reduce the likelihood of delays. Departures after this hour have a 22% higher chance of being canceled, on average.**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 Eleftherios Venizelos Airport (ATH)?
Saint-Exupery Airport (LYS) is the only airport in Grenoble with direct flights from Eleftherios Venizelos Airport (ATH). Check out your options and find cheap fares on Expedia.
Is it cheaper to buy a plane ticket from Eleftherios Venizelos Airport (ATH) to Grenoble - Isere Airport (GNB) last-minute?
Booking your plane ticket from ATH to GNB right before your journey is typically more expensive. However, if you're flexible with your schedule, you could grab a cheap last-minute fare.
Is it cheaper to book an ATH to GNB flight and hotel package?
You can save money by booking an ATH to GNB flight and hotel package compared to booking separately. In fact, travelers could save hundreds of dollars by bundling with Expedia. And it's easy to manage it all in one convenient place. After selecting your ideal flights and accommodations, consider adding extras including car rentals, activities and tours.
Can I cancel or change the date of my flight from Eleftherios Venizelos Airport (ATH) to Grenoble - Isere Airport (GNB)?
You can usually cancel or reschedule your ATH to GNB flight. However, if the booking was made more than 24 hours ago, additional fees may apply. Check your airline's policies in your itinerary to see what changes are possible and whether any costs are involved. You'll also find more details on our Customer Service portal.

Explore a world of travel with Expedia

*Available to One Key members.