Popular airlines from Athens Intl. Airport (ATH) to Bilbao Airport (BIO)
- Lufthansa
Lufthansa
- Iberia
Iberia
- Swiss International Air Lines
Swiss International Air Lines
- Air France
Air France
- KLM
KLM
- Air Europa
Air Europa
- Austrian Airlines
Austrian Airlines
Cheap Flights from Athens to Bilbao (ATH-BIO)
Prices were available within the past 7 days and start at $79 for one-way flights and $195 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.







Frequently asked questions
Travel information
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, Vueling Airlines |
Roundtrip price | $194 |
Distance | 1449 mi |
Average flight time | 3 hours 50 mins |
Book with confidence
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 June. 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 $79 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.
