$97 Cheap Flights from Bilbao (BIO) to Zagreb (ZAG)

View $97 flight on Tue, Oct 21, 2025Opens in a new window

Popular airlines from Bilbao Airport (BIO) to Zagreb Airport (ZAG)

Cheap Flights from Bilbao to Zagreb (BIO-ZAG)

Prices were available within the past 7 days and start at $97 for one-way flights and $185 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Lufthansa
Mon, Mar 9 - Thu, Mar 12
BIO
Bilbao
ZAG
Zagreb
$185 Roundtrip, found 21 hours ago
$185
Roundtrip
found 21 hours ago
Select Lufthansa flight, departing Mon, Mar 9 from Bilbao to Zagreb, returning Thu, Mar 12, priced at $185 found 21 hours ago
Lufthansa
Mon, Mar 9 - Thu, Mar 12
BIO
Bilbao
ZAG
Zagreb
$194 Roundtrip, found 21 hours ago
$194
Roundtrip
found 21 hours ago
Select Lufthansa flight, departing Mon, Mar 9 from Bilbao to Zagreb, returning Thu, Mar 12, priced at $194 found 21 hours ago
Lufthansa
Mon, Mar 9 - Thu, Mar 12
BIO
Bilbao
ZAG
Zagreb
$194 Roundtrip, found 21 hours ago
$194
Roundtrip
found 21 hours ago
Select Lufthansa flight, departing Mon, Mar 9 from Bilbao to Zagreb, returning Thu, Mar 12, priced at $194 found 21 hours ago
Lufthansa
Mon, Mar 9 - Thu, Mar 12
BIO
Bilbao
ZAG
Zagreb
$203 Roundtrip, found 21 hours ago
$203
Roundtrip
found 21 hours ago
Select Lufthansa flight, departing Mon, Mar 9 from Bilbao to Zagreb, returning Thu, Mar 12, priced at $203 found 21 hours ago
Lufthansa
Mon, Mar 9 - Thu, Mar 12
BIO
Bilbao
ZAG
Zagreb
$212 Roundtrip, found 21 hours ago
$212
Roundtrip
found 21 hours ago
Select Lufthansa flight, departing Mon, Mar 9 from Bilbao to Zagreb, returning Thu, Mar 12, priced at $212 found 21 hours ago
Lufthansa
Mon, Mar 9 - Thu, Mar 12
BIO
Bilbao
ZAG
Zagreb
$212 Roundtrip, found 21 hours ago
$212
Roundtrip
found 21 hours ago
Select Lufthansa flight, departing Mon, Mar 9 from Bilbao to Zagreb, returning Thu, Mar 12, priced at $212 found 21 hours ago
Iberia
Sat, Oct 11 - Sat, Oct 18
BIO
Bilbao
ZAG
Zagreb
$228 Roundtrip, found 1 day ago
$228
Roundtrip
found 1 day ago
Select Iberia flight, departing Sat, Oct 11 from Bilbao to Zagreb, returning Sat, Oct 18, priced at $228 found 1 day ago
Turkish Airlines
Mon, Dec 8 - Mon, Dec 22
BIO
Bilbao
ZAG
Zagreb
$304 Roundtrip, found 21 hours ago
$304
Roundtrip
found 21 hours ago
Select Turkish Airlines flight, departing Mon, Dec 8 from Bilbao to Zagreb, returning Mon, Dec 22, priced at $304 found 21 hours ago
Austrian Airlines
Mon, Dec 1 - Thu, Dec 4
BIO
Bilbao
ZAG
Zagreb
$348 Roundtrip, found 3 days ago
$348
Roundtrip
found 3 days ago
Select Austrian Airlines flight, departing Mon, Dec 1 from Bilbao to Zagreb, returning Thu, Dec 4, priced at $348 found 3 days ago
Swiss International Air Lines
Mon, Mar 9 - Thu, Mar 12
BIO
Bilbao
ZAG
Zagreb
$370 Roundtrip, found 21 hours ago
$370
Roundtrip
found 21 hours ago
Select Swiss International Air Lines flight, departing Mon, Mar 9 from Bilbao to Zagreb, returning Thu, Mar 12, priced at $370 found 21 hours ago
Flights from Bilbao (BIO) to Zagreb (ZAG)
Origin airport
Bilbao
Destination airport
Zagreb
Airlines serving
Austrian Airlines, Lufthansa, Swiss International Air Lines, Turkish Airlines
Roundtrip price
$184
Distance
946 mi

Bilbao to Zagreb Flights

The cheapest times to fly from Bilbao to Zagreb

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

 

The best time to book a flight from Bilbao to Zagreb

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

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 Zagreb in 2025. You can also book with separate airlines for your outbound and return journeys, from $97 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 Zagreb 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 Zagreb 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 Zagreb Airport (ZAG) cost?
Snag a cheap one-way flight from $97 or cheap return flight from $185 from Bilbao Airport (BIO) to Zagreb Airport (ZAG) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight offers on this route.
What is the cheapest month to fly from Bilbao Airport (BIO) to Zagreb Airport (ZAG)?
March is the least expensive month to fly from BIO to ZAG. Planning your trip for the off-season is often the key to finding a great deal.
What is the cheapest airline that flies from Bilbao Airport (BIO) to Zagreb Airport (ZAG)?
Use the filter tool on Expedia to compare airlines and find the most affordable carrier that'll take you from BIO to ZAG. Then, sort your results by "Price (lowest to highest)" to snag the best deal available.
How many flights per day from Bilbao Airport (BIO) to Zagreb Airport (ZAG)?
You'll have to take a flight with a layover if you're traveling from Bilbao Airport (BIO) to Zagreb Airport (ZAG). 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 ZAG?
Generally you'll find the widest variety of flight choices on a Friday. Tuesdays tend to be the quietest.* However, this can vary based on the airline, time of year and other factors.*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 Zagreb Airport (ZAG)?
Select a flight from Bilbao Airport (BIO) to Zagreb Airport (ZAG) that takes off before 3 PM to reduce the risk of cancellations. Later departures are on average 22% more likely to be canceled.**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 Zagreb Airport (ZAG) last-minute?
Booking your flight from BIO to ZAG just before your trip is usually more expensive. But if you're flexible with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a BIO to ZAG flight and hotel package?
Opting for a BIO to ZAG flight and hotel package is generally cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your travels all in one place. Pick from our extensive range of stays 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 Bilbao Airport (BIO) to Zagreb Airport (ZAG)?
If you booked your BIO to ZAG flight in the last 24 hours, you may be able to modify or cancel it at no cost. 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, visit our Customer Service portal for further details.

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*Available to One Key members.