$179 Cheap Flights from Bilbao (BIO) to Graz (GRZ)

View $179 flight on Fri, Dec 12, 2025Opens in a new window

Popular airlines from Bilbao Airport (BIO) to Graz (GRZ)

Cheap Flights from Bilbao to Graz (BIO-GRZ)

Prices were available within the past 7 days and start at $179 for one-way flights and for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frequently asked questions

How much does a flight from Bilbao Airport (BIO) to Thalerhof Airport (GRZ) cost?
Grab a cheap one-way flight from $179 or cheap return flight from Bilbao Airport (BIO) to Thalerhof Airport (GRZ) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight deals on this route.
What is the cheapest month to fly from Bilbao Airport (BIO) to Thalerhof Airport (GRZ)?
The cheapest month to fly from BIO to GRZ is , when demand is low. Off-peak months are generally when better flight deals are available between these airports.
What is the cheapest airline that flies from Bilbao Airport (BIO) to Thalerhof Airport (GRZ)?
Expedia's filter tool lets you easily compare airlines, flight times and baggage options all in one place. Customize the search to your preferences, then sort by "Price (lowest to highest)" to find the carrier with the cheapest BIO to GRZ flight.
How many flights per day from Bilbao Airport (BIO) to Thalerhof Airport (GRZ)?
You'll need to book a flight with a layover when traveling from Bilbao Airport (BIO) to Thalerhof Airport (GRZ). There are no daily direct flights on this route. However, simply filter your search to include one or two stops to discover an option that works for you.
What day of the week has the most flights from BIO to GRZ?
Friday is generally the busiest day for flights, while Tuesday tends to be the quietest.* Just remember that flight schedules can change based on a number of factors, including the season and airline.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Bilbao Airport (BIO) to Thalerhof Airport (GRZ)?
Select a flight from Bilbao Airport (BIO) to Thalerhof Airport (GRZ) that leaves before 3 PM to reduce the likelihood of delays and cancellations. Departures later than this 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.
Is it cheaper to buy a plane ticket from Bilbao Airport (BIO) to Thalerhof Airport (GRZ) last-minute?
Booking your ticket from BIO to GRZ just before your journey is typically more expensive. But if you're flexible with your schedule, you could bag a cheap last-minute fare.
Is it cheaper to book a BIO to GRZ flight and hotel package?
Compared with arranging flights and hotels separately, booking a BIO to GRZ flight and hotel package with Expedia could result in significant savings. What's more, managing everything in one place will take the stress out of travel planning. Just pick your flights and select from our extensive range of stays, then tailor your trip with other add-ons like tours, car rentals and activities.
Can I cancel or change the date of my flight from Bilbao Airport (BIO) to Thalerhof Airport (GRZ)?
If you reserved your BIO to GRZ 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 ticket you have, additional charges may apply for changes beyond that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, go to our Customer Service portal if you want more information.

Travel information

Origin airport
Bilbao
Destination airport
Graz
Distance
927 mi

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Bilbao to Graz Flights

The cheapest times to fly from Bilbao to Graz

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

 

The best time to book a flight from Bilbao to Graz

Sunday is one of the best days to book for cheap flights from Bilbao to Graz: 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 Bilbao to Graz

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 Bilbao to Graz in 2025. You can also book with separate airlines for your outbound and return journeys, from $179 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 Bilbao to Graz 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 Bilbao to Graz 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.

 

Bilbao to Graz Flights

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*Available to One Key members.