$123 Cheap Flights from Athens (ATH) to Bilbao (BIO)

Popular airlines from Athens Intl. Airport (ATH) to Bilbao Airport (BIO)

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Cheap Flights from Athens to Bilbao (ATH-BIO)

Prices were available within the past 7 days and start at $123 for one-way flights and $191 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Volotea
Swiss International Air Lines
Swiss International Air Lines
Iberia
Air France
Swiss International Air Lines
Lufthansa
Iberia
Austrian Airlines
Air Europa

Alternative airports near Bilbao

Prices were available within the past 7 days. Prices and availability are subject to change.

Flights from Athens (ATH) to Bilbao (BIO)
Origin airport
Eleftherios Venizelos
Destination airport
Bilbao
Airlines serving
Aegean, Air Europa, Air France, Air Serbia, Austrian Airlines, Brussels Airlines, Iberia, KLM, Lufthansa, Scandinavian Airlines, Swiss International Air Lines, Turkish Airlines, Volotea
Roundtrip price
$190
Distance
1449 mi
Average flight time
3 hours 40 mins

Athens to Bilbao Flights

The cheapest times to fly from Athens to Bilbao

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

 

The best time to book a flight from Athens to Bilbao

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

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 Bilbao in 2025. You can also book with separate airlines for your outbound and return journeys, from $123 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 Bilbao 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 Bilbao 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 Bilbao Airport (BIO) cost?
Find cheap return tickets from Eleftherios Venizelos Airport (ATH) to Bilbao Airport (BIO) starting at $395. Book your seat and take off on your trip. This information is based on the cheapest price found on Expedia for this return journey departing within the next three months. This airfare is for a Volotea and Aegean flight leaving ATH on July 3 2025 and touching down at BIO. The price was last updated on July 2 2025 and has not changed since.
What is the cheapest month to fly from ATH to BIO?
The cheapest flights from ATH to BIO 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 BIO?
With prices as low as $198 for a one-way flight from ATH to BIO, Aegean is currently the cheapest airline on this route. This fare is based on the lowest price found on Expedia departing within the next three months. The flight takes off from ATH on August 10 2025. Prices were last updated on July 2 2025 and have not changed since.
How many flights per day from Eleftherios Venizelos Airport (ATH) to Bilbao Airport (BIO)?
There are no daily direct flights departing from Eleftherios Venizelos Airport (ATH) to Bilbao Airport (BIO). But you can opt for flights with layovers. Filter your search results on Expedia to include one or two stops, and you'll be soaring above the clouds before you know it.
What day of the week has the most flights from ATH to BIO?
Generally you'll find the largest variety of flight choices on a Friday. Tuesdays tend to be the quietest.* But this can vary depending on the airline, season and other factors.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What airline has the least delays from ATH to BIO?
Volotea has the best performance for on-time direct flights from Eleftherios Venizelos Airport (ATH) to Bilbao Airport (BIO), with an on-time score of 87%. Use the Expedia App to check your journey status before you leave and get notified of any trip changes.
What is the best time to fly from Eleftherios Venizelos Airport (ATH) to Bilbao Airport (BIO)?
To avoid potential delays on the Eleftherios Venizelos Airport (ATH) to Bilbao Airport (BIO) route, aim to travel before 3 PM. Flights 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 Eleftherios Venizelos Airport (ATH) to Bilbao Airport (BIO) last-minute?
Last-minute bookings from ATH to BIO are typically more expensive. To secure the cheapest rates, start searching for flights as early as possible. That being said, if you're flexible with your travel plans, it's possible to find a cheap ticket just before your departure.
Is it cheaper to book an ATH to BIO flight and hotel package?
Compared with arranging hotels and flights separately, booking an ATH to BIO flight and hotel package with Expedia could result in significant savings. Better yet, having everything in one easy place will take the stress out of planning your trip. Just pick your flights and choose from our wide range of hotels, then personalize your trip with other add-ons like activities and car rentals.
Can I cancel or change the date of my flight from Eleftherios Venizelos Airport (ATH) to Bilbao Airport (BIO)?
Usually, it's possible to reschedule or cancel your ATH to BIO flight. However, for bookings made more than 24 hours ago, additional charges may apply. Check your airline's policies in your itinerary to see what changes are allowed and whether any costs are involved. You'll also find further details on our Customer Service portal.

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*Available to One Key members.