$86 Cheap Flights from Bilbao (BIO) to Athens (ATH)

View $86 flight on Tue, Sep 23, 2025Opens in a new window

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

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Cheap Flights from Bilbao to Athens (BIO-ATH)

Prices were available within the past 7 days and start at $86 for one-way flights and $191 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Volotea
Mon, Jun 30 - Thu, Jul 3
BIO
Bilbao
ATH
Athens
$191 Roundtrip, found 2 days ago
$191
Roundtrip
found 2 days ago
Select Volotea flight, departing Mon, Jun 30 from Bilbao to Athens, returning Thu, Jul 3, priced at $191 found 2 days ago
Lufthansa
Sat, Dec 6 - Mon, Dec 15
BIO
Bilbao
ATH
Athens
$229 Roundtrip, found 4 days ago
$229
Roundtrip
found 4 days ago
Select Lufthansa flight, departing Sat, Dec 6 from Bilbao to Athens, returning Mon, Dec 15, priced at $229 found 4 days ago
Lufthansa
Sat, Dec 6 - Mon, Dec 15
BIO
Bilbao
ATH
Athens
$234 Roundtrip, found 4 days ago
$234
Roundtrip
found 4 days ago
Select Lufthansa flight, departing Sat, Dec 6 from Bilbao to Athens, returning Mon, Dec 15, priced at $234 found 4 days ago
Swiss International Air Lines
Sun, Aug 31 - Sat, Sep 6
BIO
Bilbao
ATH
Athens
$239 Roundtrip, found 4 days ago
$239
Roundtrip
found 4 days ago
Select Swiss International Air Lines flight, departing Sun, Aug 31 from Bilbao to Athens, returning Sat, Sep 6, priced at $239 found 4 days ago
Volotea
Mon, Jun 30 - Thu, Jul 3
BIO
Bilbao
ATH
Athens
$246 Roundtrip, found 2 days ago
$246
Roundtrip
found 2 days ago
Select Volotea flight, departing Mon, Jun 30 from Bilbao to Athens, returning Thu, Jul 3, priced at $246 found 2 days ago
Volotea
Thu, Jul 3 - Fri, Jul 11
BIO
Bilbao
ATH
Athens
$257 Roundtrip, found 2 days ago
$257
Roundtrip
found 2 days ago
Select Volotea flight, departing Thu, Jul 3 from Bilbao to Athens, returning Fri, Jul 11, priced at $257 found 2 days ago
Volotea
Mon, Sep 1 - Sun, Sep 7
BIO
Bilbao
ATH
Athens
$258 Roundtrip, found 4 days ago
$258
Roundtrip
found 4 days ago
Select Volotea flight, departing Mon, Sep 1 from Bilbao to Athens, returning Sun, Sep 7, priced at $258 found 4 days ago
Swiss International Air Lines
Sat, Dec 6 - Mon, Dec 15
BIO
Bilbao
ATH
Athens
$262 Roundtrip, found 4 days ago
$262
Roundtrip
found 4 days ago
Select Swiss International Air Lines flight, departing Sat, Dec 6 from Bilbao to Athens, returning Mon, Dec 15, priced at $262 found 4 days ago
Aegean
Tue, Oct 14 - Tue, Oct 21
BIO
Bilbao
ATH
Athens
$270 Roundtrip, found 1 day ago
$270
Roundtrip
found 1 day ago
Select Aegean flight, departing Tue, Oct 14 from Bilbao to Athens, returning Tue, Oct 21, priced at $270 found 1 day ago
Turkish Airlines
Sat, Dec 6 - Mon, Dec 15
BIO
Bilbao
ATH
Athens
$292 Roundtrip, found 4 days ago
$292
Roundtrip
found 4 days ago
Select Turkish Airlines flight, departing Sat, Dec 6 from Bilbao to Athens, returning Mon, Dec 15, priced at $292 found 4 days ago

Alternative airports near Athens

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

Select flight to Eleftherios Venizelos ATH. Cheapest and Closest option available. Average driving time to city center is 28 minutes. Flights from $355
ATH
Eleftherios Venizelos
CheapestClosest
Average driving time to city center28 min
Flights from $355
Flights from Bilbao (BIO) to Athens (ATH)
Origin airport
Bilbao
Destination airport
Eleftherios Venizelos
Airlines serving
Aegean, Aer Lingus, Air Europa, Air France, Austrian Airlines, Brussels Airlines, Iberia, KLM, Lufthansa, Swiss International Air Lines, Turkish Airlines, Volotea
Roundtrip price
$191
Distance
1449 mi
Average flight time
4 hours 27 mins

Bilbao to Athens Flights

The cheapest times to fly from Bilbao to Athens

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

 

The best time to book a flight from Bilbao to Athens

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

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 Athens in 2025. You can also book with separate airlines for your outbound and return journeys, from $86 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 Athens 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 Athens 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 Eleftherios Venizelos Airport (ATH) cost?
Find cheap return tickets from Bilbao Airport (BIO) to Eleftherios Venizelos Airport (ATH) starting from $526. Book your seat and set off on your next adventure. 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 Aegean flight leaving BIO on July 13 2025 and touching down at ATH. The price was last updated on June 24 2025 and has not changed since.
What is the cheapest month to fly from BIO to ATH?
The cheapest flights from BIO to ATH 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 ATH?
With fares starting at $100 for a one-way flight from BIO to ATH, Volotea 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 BIO on June 30 2025. Prices were last updated on June 24 2025 and have not changed since.
How many flights per day from Bilbao Airport (BIO) to Eleftherios Venizelos Airport (ATH)?
You'll need to hop on a flight with a layover if you're traveling from Bilbao Airport (BIO) to Eleftherios Venizelos Airport (ATH). There are no daily direct flights on this route. However, simply filter your search to include one or more stops to discover an option that works for you.
What day of the week has the most flights from BIO to ATH?
Typically you'll find the largest variety of flight choices on a Friday. Tuesdays are often the quietest.* However, this can vary based on the airline, season 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 Eleftherios Venizelos Airport (ATH)?
To avoid possible delays on the Bilbao Airport (BIO) to Eleftherios Venizelos Airport (ATH) route, 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 Bilbao Airport (BIO) to Eleftherios Venizelos Airport (ATH) last-minute?
Waiting until right before your break to book a flight from BIO to ATH often results in higher prices. While you may find some last-minute discounts, they're not always guaranteed. Allow some flexibility in your schedule to boost your chances of scoring a bargain.
Is it cheaper to book a BIO to ATH flight and hotel package?
You can save money by securing a BIO to ATH 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. After selecting your preferred accommodations and flights, you can add extras such as car rentals, tours and activities.
Can I cancel or change the date of my flight from Bilbao Airport (BIO) to Eleftherios Venizelos Airport (ATH)?
In most cases, you're able to reschedule or cancel your BIO to ATH flight. However, there may be additional fees, especially if you booked over 24 hours ago. Check your itinerary for the airline's fees and guidelines on flight changes, or if you want further information, visit our Customer Service portal.

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*Available to One Key members.