$487 Cheap Flights from Bilbao (BIO) to Zakynthos (ZTH)

View $487 flight on Mon, Jul 28, 2025Opens in a new window

Popular airlines from Bilbao Airport (BIO) to Zakynthos (ZTH-Zakynthos Intl.)

Cheap Flights from Bilbao to Zakynthos (BIO-ZTH)

Prices were available within the past 7 days and start at $487 for one-way flights and $671 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Swiss International Air Lines
Mon, Jul 28 - Sun, Aug 3
BIO
Bilbao
ZTH
Zakynthos
$671 Roundtrip, found 3 days ago
$671
Roundtrip
found 3 days ago
Select Swiss International Air Lines flight, departing Mon, Jul 28 from Bilbao to Zakynthos, returning Sun, Aug 3, priced at $671 found 3 days ago
Austrian Airlines
Mon, Jul 28 - Sun, Aug 3
BIO
Bilbao
ZTH
Zakynthos
$714 Roundtrip, found 3 days ago
$714
Roundtrip
found 3 days ago
Select Austrian Airlines flight, departing Mon, Jul 28 from Bilbao to Zakynthos, returning Sun, Aug 3, priced at $714 found 3 days ago
Austrian Airlines
Mon, Jul 28 - Sun, Aug 3
BIO
Bilbao
ZTH
Zakynthos
$732 Roundtrip, found 3 days ago
$732
Roundtrip
found 3 days ago
Select Austrian Airlines flight, departing Mon, Jul 28 from Bilbao to Zakynthos, returning Sun, Aug 3, priced at $732 found 3 days ago
Swiss International Air Lines
Mon, Jul 28 - Sun, Aug 3
BIO
Bilbao
ZTH
Zakynthos
$772 Roundtrip, found 3 days ago
$772
Roundtrip
found 3 days ago
Select Swiss International Air Lines flight, departing Mon, Jul 28 from Bilbao to Zakynthos, returning Sun, Aug 3, priced at $772 found 3 days ago
Swiss International Air Lines
Mon, Jul 28 - Sun, Aug 3
BIO
Bilbao
ZTH
Zakynthos
$789 Roundtrip, found 3 days ago
$789
Roundtrip
found 3 days ago
Select Swiss International Air Lines flight, departing Mon, Jul 28 from Bilbao to Zakynthos, returning Sun, Aug 3, priced at $789 found 3 days ago
Austrian Airlines
Mon, Jul 28 - Sun, Aug 3
BIO
Bilbao
ZTH
Zakynthos
$832 Roundtrip, found 3 days ago
$832
Roundtrip
found 3 days ago
Select Austrian Airlines flight, departing Mon, Jul 28 from Bilbao to Zakynthos, returning Sun, Aug 3, priced at $832 found 3 days ago
Swiss International Air Lines
Mon, Jul 28 - Sun, Aug 3
BIO
Bilbao
ZTH
Zakynthos
$841 Roundtrip, found 3 days ago
$841
Roundtrip
found 3 days ago
Select Swiss International Air Lines flight, departing Mon, Jul 28 from Bilbao to Zakynthos, returning Sun, Aug 3, priced at $841 found 3 days ago
Austrian Airlines
Mon, Jul 28 - Sun, Aug 3
BIO
Bilbao
ZTH
Zakynthos
$850 Roundtrip, found 3 days ago
$850
Roundtrip
found 3 days ago
Select Austrian Airlines flight, departing Mon, Jul 28 from Bilbao to Zakynthos, returning Sun, Aug 3, priced at $850 found 3 days ago
Swiss International Air Lines
Mon, Jul 28 - Sun, Aug 3
BIO
Bilbao
ZTH
Zakynthos
$854 Roundtrip, found 3 days ago
$854
Roundtrip
found 3 days ago
Select Swiss International Air Lines flight, departing Mon, Jul 28 from Bilbao to Zakynthos, returning Sun, Aug 3, priced at $854 found 3 days ago
Air Europa
Mon, Jul 28 - Sun, Aug 3
BIO
Bilbao
ZTH
Zakynthos
$936 Roundtrip, found 3 days ago
$936
Roundtrip
found 3 days ago
Select Air Europa flight, departing Mon, Jul 28 from Bilbao to Zakynthos, returning Sun, Aug 3, priced at $936 found 3 days ago
Flights from Bilbao (BIO) to Zakynthos (ZTH)
Origin airport
Bilbao
Destination airport
Zakynthos Intl.
Roundtrip price
$670
Distance
1301 mi

Bilbao to Zakynthos Flights

The cheapest times to fly from Bilbao to Zakynthos

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

 

The best time to book a flight from Bilbao to Zakynthos

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

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 Zakynthos in 2025. You can also book with separate airlines for your outbound and return journeys, from $487 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 Zakynthos 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 Zakynthos 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 Zakynthos Intl. Airport (ZTH) cost?
Discover the latest flight deals from BIO to ZTH 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 BIO to ZTH?
The cheapest flights from BIO to ZTH 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 BIO to ZTH?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that'll take you from BIO to ZTH. Sort your results by "Price (lowest to highest)" to snap up a great deal.
How many flights per day from Bilbao Airport (BIO) to Zakynthos Intl. Airport (ZTH)?
You'll have to book a flight with a layover if you're traveling from Bilbao Airport (BIO) to Zakynthos Intl. Airport (ZTH). There are no daily direct flights on this route. However, simply filter your search to include one or more stops to find an option that works for you.
What day of the week has the most flights from BIO to ZTH?
You'll generally 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 Bilbao Airport (BIO) to Zakynthos Intl. Airport (ZTH)?
To avoid potential delays on the Bilbao Airport (BIO) to Zakynthos Intl. Airport (ZTH) route, fly before 3 PM. Departures after this time have a 22% higher chance of being 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 Zakynthos Intl. Airport (ZTH) last-minute?
Booking your plane ticket from BIO to ZTH shortly before your journey is typically more expensive. However, if there's some wiggle room with your departure times and dates, you could snag a cheap last-minute fare.
Is it cheaper to book a BIO to ZTH flight and hotel package?
Securing a BIO to ZTH flight and hotel package is generally cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our wide range of hotels and then add flights, car rentals 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 Zakynthos Intl. Airport (ZTH)?
If you booked your BIO to ZTH 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 have, 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 further details.

Explore a world of travel with Expedia

*Available to One Key members.