$622 Cheap Flights from Bilbao (BIO) to Green Bay (GRB)

View $622 flight on Sat, May 16, 2026Opens in a new window

Popular airlines from Bilbao Airport (BIO) to Green Bay Austin Straubel Intl. Airport (GRB)

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Cheap Flights from Bilbao to Green Bay (BIO-GRB)

Prices were available within the past 7 days and start at $622 for one-way flights and for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Flights from Bilbao (BIO) to Green Bay (GRB)
Origin airport
Bilbao
Destination airport
Austin Straubel Intl.
Distance
4035 mi

Bilbao to Green Bay Flights

The cheapest times to fly from Bilbao to Green Bay

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

 

The best time to book a flight from Bilbao to Green Bay

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

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 Green Bay in 2025. You can also book with separate airlines for your outbound and return journeys, from $622 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 Green Bay 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 Green Bay 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 Bilbao Airport (BIO) to Austin Straubel Intl. Airport (GRB) cost?
Snag a cheap one-way flight from $622 or cheap return flight from Bilbao Airport (BIO) to Austin Straubel Intl. Airport (GRB) 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 Austin Straubel Intl. Airport (GRB)?
The cheapest month to fly from BIO to GRB is , when there's less demand. Off-peak season is often when you'll find lower airfares between these airports.
What is the cheapest airline that flies from Bilbao Airport (BIO) to Austin Straubel Intl. Airport (GRB)?
To find the cheapest airline that'll fly you from BIO to GRB, use Expedia's filter tool. Tailor your search based on your travel style, such as preferred carriers and flight duration. You can then sort your results by "Price (lowest to highest)" to see the cheapest fares upfront.
How many flights per day from Bilbao Airport (BIO) to Austin Straubel Intl. Airport (GRB)?
Nonstop flights from Bilbao Airport (BIO) to Austin Straubel Intl. Airport (GRB) aren't available daily, so you'll have to take a flight with a layover. Explore your options with our filter tool. Enter your travel details and select either "1 Stop" or "2+ Stops."
What day of the week has the most flights from BIO to GRB?
You'll typically find Tuesday the quietest day for flights, while Fridays are often the busiest.* However this can vary from season to season and during peak travel times or public holidays.*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 Austin Straubel Intl. Airport (GRB)?
To avoid possible delays on the Bilbao Airport (BIO) to Austin Straubel Intl. Airport (GRB) route, aim to fly before 3 PM. Departures after this time 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.
Is it cheaper to buy a plane ticket from Bilbao Airport (BIO) to Austin Straubel Intl. Airport (GRB) last-minute?
Last-minute bookings from BIO to GRB are typically more expensive. To lock in the lowest rates, start searching for flights early. That being said, if your travel plans are flexible, it's possible to score a cheap fare right before you leave.
Is it cheaper to book a BIO to GRB flight and hotel package?
You'll typically save money by securing a BIO to GRB flight and hotel package compared to booking separately. In fact, you could save hundreds of dollars by bundling with Expedia. And it's simple to manage it all in one place. Once you've chosen your preferred accommodations and flights, consider adding extras such as tours, car rentals and activities.
Can I cancel or change the date of my flight from Bilbao Airport (BIO) to Austin Straubel Intl. Airport (GRB)?
If you booked your BIO to GRB flight in the last 24 hours, you may be able to cancel or modify it without fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal for more information.

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*Available to One Key members.