Cheap flights from Athens (ATH) to Bilbao (BIO)
ATH — BIO
Jan 2 — Jan 91
1 adult, Economy
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1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Find flight deals from Athens to Bilbao
Discover tips and strategies to find the most affordable flight options for your journey from Athens (ATH) to Bilbao (BIO). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated December 3, 2025.
Most accurate provider | eDreams 3 stars |
|---|---|
Most trusted provider | eDreams 3 stars |
Popular in | July |
Cheapest in | May |
Average price | $255 |
Compare providers for flights from Athens to Bilbao
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Athens to Bilbao in December.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*1 star |
- Most accurate provider: When it comes to deals on Athens-Bilbao flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Athens-Bilbao flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Athens-Bilbao flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Athens-Bilbao flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Athens-Bilbao flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from Athens to Bilbao
Have a flexible travel schedule? Discover the best time to fly to Bilbao from Athens with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Athens to Bilbao
Prices
Delays
What is the cheapest month to book a flight from Athens to Bilbao?
Currently, October is the cheapest month in which you can book a flight from Athens to Bilbao (average of $113). Flying from Athens to Bilbao in July is currently the most expensive (average of $372). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
What is the cheapest time of day to fly from ATH to BIO?
Find hourly flight availability from Athens to Bilbao. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 3, 2025.
It’s optimal to fly from Athens to Bilbao in the morning. By choosing this option you can save up to 51% on the cost of your flight, compared to a flight in the evening.
How often are flights from Athens to Bilbao delayed?
About 22% of weekly flights between Athens and Bilbao have experienced delays in the past year, with the average delay time being 82 minutes.
What is the most punctual flight time for Athens to Bilbao flights?
Historically, flights departing in the morning are less likely to be delayed, whereas flights leaving in the evening tend to experience delays more often.
What day of the week experiences the fewest flight delays on this route?
Saturday tends to have the lowest number of delays on this route, whereas Monday has historically faced a higher average of delays compared to other days of the week.
Which airline has the best punctuality record on Athens to Bilbao flights?
Over the last year, Aegean Airlines have had the lowest number of delays on this route, with just 7% of flights being delayed.