Cheap flights from Austin-Bergstrom to Bilbao

Compare Austin-Bergstrom to Bilbao flight deals

Find the cheapest month or even day of the year to fly to Bilbao

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Flight deals from Austin-Bergstrom to Bilbao

Looking for a cheap last-minute deal or the best round-trip flight from Austin-Bergstrom Airport to Bilbao Airport? If you want to travel next month, round-trip fares start from $811. Find the lowest prices on one-way and round-trip tickets right here.

Find the cheapest month to fly from Austin-Bergstrom to Bilbao

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Austin-Bergstrom to Bilbao flights are currently cheapest in September.

Austin-Bergstrom to Bilbao: Alternative routes

Compare routes from Austin-Bergstrom to Bilbao below. You may find an airport to fly into that's cheaper, faster, or easier than Bilbao.

Austin to Bilbao: Flight information

The things to know before you go.
Cheapest flight found$330
Cheapest month to flySeptember

Finding cheap flights from Austin-Bergstrom to Bilbao: Frequently asked questions

The best price we found for a round-trip flight from Austin-Bergstrom to Bilbao is $732. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
Currently, there are no airlines that fly direct from Austin-Bergstrom to Bilbao. But we found flights with one or more stops from $732.
There are no flights flying from Austin-Bergstrom to Bilbao, as of April 2026.
The cheapest month to fly from Austin-Bergstrom to Bilbao is usually September.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Austin-Bergstrom Airport to Bilbao Airport on Tuesday, September 29, 2026.
No airlines currently offer direct flights between Austin-Bergstrom Airport and Bilbao Airport. Most routes have one or more stops.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Bilbao but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar, and it looks like the cheapest time to book a flight to Bilbao is around 40 days in advance, so don’t leave your flight to the last minute.
Currently, United offers the cheapest flight tickets to Bilbao.

Traveling from Austin-Bergstrom International Airport (AUS) to Bilbao Airport (BIO): what you need to know

  • Bilbao is six hours ahead of Austin and observes the UTC+1 timezone.

  • For a stress-free journey, turn up at the airport two hours ahead of international flights and one hour before domestic departures. This way, you'll have plenty of time to catch your AUS to BIO flight.

  • During popular months such as July, you'll want to get to the airport earlier. Plan to arrive two hours before domestic departures and four hours ahead of an international flight when you travel during a high season in general.

  • Choose a stopover if you'd love to break up your flight. Just uncheck 'Direct flights only' to see all your options for tickets from Austin-Bergstrom International Airport to Bilbao Airport. Frankfurt Airport is a popular stopover on the AUS to BIO route.

How to find the cheapest flights from Austin-Bergstrom International Airport (AUS) to Bilbao Airport (BIO)

  • $330 is the best price for a one-way Austin-Bergstrom International Airport to Bilbao Airport flight. Return flights start from $732. These fares may change depending on availability and demand.

  • Don't wait until the last moment. You're more likely to get cheap tickets from AUS to BIO if you book in advance. Airlines often have some excellent early bird discounts.

  • The 'Whole month' search function shows you the cheapest flights from Austin-Bergstrom International Airport to Bilbao Airport across each month. It's a great way to snap up a bargain if your travel plans are flexible.

  • Cut down on the time spent looking for cheap flights from AUS to BIO by creating a Price Alert. You'll receive an email or push notification on the app when a lower fare becomes available.

  • Find the perfect flight for you by using the filters. To see the 'Fastest,' 'Cheapest' or 'Best' flights from Austin-Bergstrom International Airport to Bilbao Airport, use the 'Sort by' function. You can also filter by airline, departure and arrival times, and journey duration.

Handy information about Austin-Bergstrom International Airport (AUS)

  • The address for AUS is 3600 Presidential Blvd.

  • 81.23% of flights leaving Austin-Bergstrom International Airport reach their destination on time. With its dependable on-time performance, you're unlikely to face delays when setting off from AUS.

  • Austin-Bergstrom International Airport is about 19 kilometers from central Austin. If you're driving, catching a cab or ride-sharing from the center, it'll take you 25 minutes or so to arrive, depending on the traffic.

  • Planning to take public transport? Expect a journey time of around 3 hours 25 minutes.

  • Taking an early flight from Austin-Bergstrom International Airport to Bilbao Airport? Avoid the hassle of rushing to the airport (and get some extra shut-eye) by picking one of these stays near AUS:

Arriving at Bilbao Airport (BIO)

  • The last thing you want is a long journey to your hotel if you're landing late on an Austin-Bergstrom International Airport to Bilbao Airport flight. Stay at one of these accommodation options near BIO instead:

  • Travel at your own pace with a Bilbao Airport rental car. Book your wheels from Record Go, Click and Rent or Goldcar and see more of Bilbao and beyond.

  • To lock in the lowest price, book your ride from Bilbao Airport around four weeks before your trip.

Getting from Bilbao Airport (BIO) to central Bilbao

  • From Bilbao Airport, Bilbao is approximately 6 kilometers away. It takes around 10 minutes to reach the center driving.

  • When traveling by public transport, expect a journey time of about 30 minutes.

When to fly to Bilbao Airport (BIO)

  • July is the most popular month for flights from Austin-Bergstrom International Airport to Bilbao Airport. For smaller crowds, go to Bilbao in January.

  • The warmest month in Bilbao is August, with temperatures ranging between 16ºC (61ºF) and 25ºC (77ºF). Book your flights from Austin-Bergstrom International Airport to Bilbao Airport in this month if this is the kind of weather you like.

  • January has average temperatures of between 5ºC (41ºF) and 13ºC (55ºF). Search for cheap tickets from AUS to BIO around that time if you like cooler conditions.

Explore more of Spain

  • You've done Bilbao, now it's time to explore other corners of Spain. Travel about 241 kilometers south-east to Zaragoza to tick off its top sights. From Puente de Piedra to Museo Pablo Gargallo and El Tubo, you'll have a full itinerary ahead.

  • If you're interested in discovering another well-known destination in Spain, head for Salamanca, about 338 kilometers south-west of Bilbao. Plaza Mayor, S.O.U. Servicio de Orientación al Universitario. Universidad de Salamanca and Pontifical University of Salamanca are key highlights.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.