$20 Cheap Flights to Bilbao
One-way
Departing from
Barcelona
Going to
Bilbao, Spain
Bilbao (BIO)
Spain • February, 2026
75% AI deal score
$103 $21
Bilbao (BIO)
Spain • February, 2026
75% AI deal score
$103 $23
Bilbao (BIO)
Spain • January, 2026
75% AI deal score
$103 $23
Bilbao (BIO)
Spain • February, 2026
74% AI deal score
$103 $20
Top Cheap Flight Deals to Bilbao
Recent round-trip flight deals to Bilbao
Sun, Mar 1 - Sun, Mar 8
Cheapest
Barcelona (BCN) - Bilbao (BIO)
Formosa Airlines airlines • Direct
Bilbao (BIO) - Barcelona (BCN)
Formosa Airlines airlines • Direct
$90
$39
-$51
57%
Thu, Feb 26 - Tue, Mar 10
Barcelona (BCN) - Bilbao (BIO)
Formosa Airlines airlines • Direct
Bilbao (BIO) - Barcelona (BCN)
Formosa Airlines airlines • Direct
$103
$39
-$64
62%
Wed, Jan 21 - Tue, Feb 3
Barcelona (BCN) - Bilbao (BIO)
Formosa Airlines airlines • Direct
Bilbao (BIO) - Barcelona (BCN)
Formosa Airlines airlines • Direct
$103
$39
-$64
62%
Wed, Jan 21 - Tue, Feb 3
Barcelona (BCN) - Bilbao (BIO)
Formosa Airlines airlines • Direct
Bilbao (BIO) - Barcelona (BCN)
Formosa Airlines airlines • Direct
$103
$39
-$64
62%
Tue, Feb 24 - Tue, Mar 10
Barcelona (BCN) - Bilbao (BIO)
Formosa Airlines airlines • Direct
Bilbao (BIO) - Barcelona (BCN)
Formosa Airlines airlines • Direct
$103
$39
-$64
62%
Wed, Jan 21 - Wed, Feb 4
Barcelona (BCN) - Bilbao (BIO)
Formosa Airlines airlines • Direct
Bilbao (BIO) - Barcelona (BCN)
Formosa Airlines airlines • Direct
$103
$39
-$64
62%
The cheapest time to fly to Bilbao
Ready to jet to Bilbao on a budget? Check out these popular routes with surprisingly cheap fares (one-way prices):
Last-Minute Flights to Bilbao
Need to get to Bilbao ASAP? Even if you're booking a flight on short notice, there are often last-minute deals available:
Next 2 weeks deals
Last Minute Flight Deals
Don't miss out on flights to Bilbao, Spain starting at $141 departing in the next two weeks.
⌛ Last-Minute
Barcelona - BIO
A great last-minute steal for a cross-country flight.
Found 3 days ago
$211
round-trip
Facts About Flights to Bilbao
To help you plan your journey, here are some quick Bilbao flight facts and tips.
Bilbao city airports
Bilbao Airport (BIO) is the primary airport serving Bilbao and the surrounding Basque Country. It's the largest airport in the region, handling both domestic and international flights. You'll find a range of airlines operating here, connecting Bilbao to major European cities and other destinations. The airport is modern and well-equipped, offering various services to make your travel experience comfortable, including shops, restaurants, and car rental options. It's located about 9 km from Bilbao city center, making it easily accessible by bus, taxi, or private transfer.
Pro tip: search “Bilbao (Any)” to see fares to all Bilbao airports – sometimes one is cheaper than the others on your dates.
Insights for flights to Bilbao
Cheapest airport
Santander (SDR)
For travelers seeking a thrifty adventure to Bilbao, look no further than Santander Airport (SDR)! Located a little further afield, this airport offers a gateway to the beautiful coast of Cantabria and is approximately 1 hour away from Bilbao. Prepare for a scenic journey as you land in this charming corner of Spain!
Nonstop vs. 1-stop
20+ cities
While Bilbao Airport isn't a major international hub, it serves as a convenient secondary airport connecting to over 20 cities, with popular routes including connections to major Spanish cities and select European destinations.
Number of airlines
30+ airlines
Bilbao Airport is served by over 30 airlines, offering a wide range of destinations; among the most popular are Vueling, Iberia, easyJet, and Lufthansa.
Typical price range (round-trip)
BIO Airport Deal Stats
Current most discounted routes
Avg. most discounted routes (last 3 months)
BIO airport insights
Best days to catch a deal
Tue, Mon
Based on the data provided, Tuesday has the most deals for Bilbao airport. Thursday has the least amount of deals, making it the worst day to find cheap flights.
Avg. deal survival time
17.4 hours
Deals from or to Bilbao airport typically survive for around 17.4 hours. So, you need to be quick to catch a deal for Bilbao.
Rare deal frequency
6 deals
We discovered 6 rare deals for flights from Bilbao Airport in the last month alone. These rare deals had an AI Deal Score of 90+, indicating they were likely mistake fares, special promotions, or ultra-discounts.
Average price drop
-74%
Based on our data, flights to Bilbao, Spain have an average price drop of 73.7%. This means you have a high chance of securing a great deal on flights to this destination.
Next 4 weeks: deal forecast
Bilbao Flights Forecast - Next Month
Based on current trends, flight prices to Bilbao from December 18, 2025, to January 18, 2026, are expected to remain relatively stable. There is a slight chance of a price decrease in the first week of January due to lower travel demand after the holiday season.
Top 5 biggest price drops (last 3 months)
Found on November 15
Monastir - BIO
$1,500 → $122
92%
Found on November 18
Pisa - BIO
$900 → $70
92%
Found on November 17
Gibraltar - BIO
$1,070 → $81
92%
Found on November 18
Santa Cruz de La Palma - BIO
$623 → $64
90%
Found on November 16
Tébessa - BIO
$2,465 → $282
89%
Check these nearby airports too
Looking for more options? These airports near BIO sometimes drop rare deals too:
Bilbao (BIO)
~11 rare deals/month
San Sebastián (EAS)
~13 rare deals/month
Santander (SDR)
~9 rare deals/month
If you’re flexible with departure cities, it’s worth keeping an eye on nearby airports — especially BIO and EAS for long-haul deal surprises.
When Is the Best Time to Fly to Bilbao
Timing is everything when hunting for cheap flights. Here are data-backed insights on the best times to fly to Bilbao:
Cheapest month
November
Cheapest month
The cheapest month to fly to Bilbao is November. During this time, you can enjoy mild weather with fewer tourists, making it an ideal period to explore the city's attractions without the peak season crowds. Plus, you'll likely find better deals on flights and accommodations, allowing you to save money while experiencing all that Bilbao has to offer.
Best day to book
Tuesday
Best day to book
The best day to book a flight to Bilbao is typically on a Tuesday. Airlines often release new deals and discounts at the start of the week, making Tuesdays prime for snagging lower prices. Keep an eye on these mid-week opportunities to save on your next trip!
Cheapest days to fly
Wednesday
Cheapest days to fly
To find the cheapest days to fly to Bilbao, consider traveling on a Wednesday. Mid-week flights tend to be less expensive than those on weekends or Mondays. You'll also avoid the busiest travel days, potentially leading to a more relaxed airport experience.
Advance booking sweet spot
2 months
Advance booking sweet spot
The advance booking sweet spot for flights to Bilbao is about two months before your travel date. Booking around this time often lands you the best balance between price and availability. So, plan ahead and set those travel reminders to secure a great deal!
Bilbao Airports & Ground Transportation
One big question for travelers is which Bilbao airport to fly into. Here’s a quick guide to Bilbao’s airports and how to get to the city from each:
Bilbao Airport (BIO)
Welcome to Bilbao Airport, your gateway to the vibrant Basque Country! Nestled just 9 km (5.6 mi) from Bilbao, this modern airport, designed by Santiago Calatrava, offers a smooth travel experience. Enjoy amenities such as free Wi-Fi, a variety of shops, and delightful dining options featuring local cuisine. Getting to the city center is a breeze with frequent bus services like BizkaiBus line A3247, taking you straight to Bilbao in about 20 minutes. Taxis and car rentals are also readily available for a comfortable journey to downtown or the surrounding areas.
Tip: Arrive early to admire the stunning architecture of the terminal!
Other airports
While Bilbao Airport (BIO) is super convenient, consider airports in nearby cities for potentially better deals! Santander Airport (SDR) is about an hour away, offering a scenic bus ride to Bilbao, but remember to factor in that extra travel time. Alternatively, Biarritz Airport (BIQ) in France is another option, roughly a 2-hour bus journey, which might be worthwhile if you fancy a little cross-border adventure!
Airport transfers
Getting around from Bilbao Airport is a breeze! The Bizkaibus A3247 is a cheap and cheerful option that'll drop you in the city center. Alternatively, taxis and private airport transfers offer door-to-door service for a more comfortable arrival.
What to Do in Bilbao
Bilbao isn’t just about getting there – it’s about enjoying the country once you arrive! Here are some top things to do in Bilbao, organized by interest:
Sightseeing & landmarks
Bilbao is a city that beautifully blends the old and the new. Be sure to visit iconic spots like the Guggenheim Museum, a modern architectural marvel, and wander through the historic Casco Viejo, the city's old town, with its charming streets and vibrant atmosphere.
Arts & culture
Dive into Bilbao's thriving arts scene by exploring the Fine Arts Museum, which houses an impressive collection of Basque, Spanish, and European art. For a taste of local culture, catch a performance at the Arriaga Theatre, a stunning neo-baroque building that hosts a variety of shows.
Food & nightlife
Get ready for a culinary adventure in Bilbao! Indulge in pintxos, the Basque version of tapas, at the bars in Casco Viejo, and savor fresh seafood at the riverside restaurants. As night falls, experience the city's lively nightlife with its numerous bars and clubs.
Shopping & fashion
Bilbao offers a diverse shopping experience, from high-end boutiques to local markets. Explore the Gran Vía for designer stores and the Plaza Nueva market for unique finds. Don't forget to check out the local Basque fashion for a stylish souvenir!
Nearby getaways
Escape the city for a day and explore the stunning Basque coastline. Visit the charming coastal town of Getxo with its beautiful beaches and cliffs, or venture to San Sebastian, a city renowned for its gastronomy and picturesque bay.
Events in Bilbao This Month
queralt lahoz
Get ready to see Queralt Lahoz perform live at Sala BBK in Bilbao on November 16, 2025, at 8:00 PM. Secure your tickets now for an unforgettable musical experience.
amore + mirua
Don't miss the AMORE + MIRUA event at Sala BBK in Bilbao on November 20, 2025. Get your tickets now for a night of music and entertainment.
love the 90's 2025
Get ready to experience Haddaway live at Bizkaia Arena in Lutxana on November 29, 2025, at 5:00 PM. This is your chance to dance to the iconic beats of this Eurodance legend.
adriana lecouvreur - cilea
Do not miss the opportunity to witness a live opera performance of Francesco Cilea's Adriana Lecouvreur at the Palacio Euskalduna in Bilbao. This promises to be a breathtaking and unforgettable experience.
Bilbao Weather
Weather in Bilbao
Tue, Nov 18
20%
11° 6°
20%
Wed, Nov 19
Frequently Asked Questions About Flights to Bilbao
Pro Tips for Finding Cheap Flights to Bilbao
Finally, to wrap up, here’s a cheat sheet of pro tips that experienced travelers use to save on Bilbao flights:
Be Flexible with Your Travel Dates: Sometimes shifting your departure or return by a day or two can dramatically lower the price. Mid-week flights are often cheaper than weekend flights, so consider flying on a Tuesday or Wednesday.
Consider Alternative Airports: Bilbao Airport (BIO) is the main airport, but flying into a nearby airport and taking ground transportation could be cheaper. Check airports like Santander (SDR) and Biarritz (BIQ) and compare total costs.
