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Bilbao

$488+ Cheap flights from Austin (AUS) to Bilbao (BIO)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 3/7. Fares are subject to change and may not be available on all flights or dates of travel.
AUS — BIO
Jan 11 — Jan 181
Sun 1/11
Sun 1/18
1 adult, Economy
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Cheap flight deals from Austin to Bilbao

Cheapest flights from Austin to Bilbao
Explore the most affordable flight options available from Austin to Bilbao. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 12, 2025.

This Expedia deal was found by Cheapflights users on 12/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/151:33 pmAUS - BIO
2 stops43h 37mMultiple Airlines
Wed 12/244:50 pmBIO - AUS
2 stops31h 00mMultiple Airlines
Deal found 12/10$1,621
This Cheapflightsfares deal was found by Cheapflights users on 12/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/1511:05 amAUS - BIO
2 stops18h 00mLufthansa
Wed 12/247:25 amBIO - AUS
2 stops18h 11mLufthansa
Deal found 12/11$1,676
This SmartFares deal was found by Cheapflights users on 12/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/164:10 pmAUS - BIO
1 stop12h 55mLufthansa
Mon 12/225:35 pmBIO - AUS
1 stop27h 40mLufthansa
Deal found 12/11$1,732
This FlightHub deal was found by Cheapflights users on 12/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/167:05 amAUS - BIO
2 stops26h 05mAer Lingus
Wed 12/244:50 pmBIO - AUS
2 stops31h 00mAer Lingus
Deal found 12/10$1,763
This FlightHub deal was found by Cheapflights users on 12/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/154:19 pmAUS - BIO
2 stops17h 21mLufthansa
Tue 12/236:45 amBIO - AUS
1 stop14h 30mLufthansa
Deal found 12/10$1,786
This KAYAK deal was found by Cheapflights users on 12/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/142:37 pmAUS - BIO
2 stops24h 18mLufthansa
Tue 12/236:45 amBIO - AUS
1 stop14h 30mLufthansa
Deal found 12/11$1,787
This Lufthansa deal was found by Cheapflights users on 12/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/164:19 pmAUS - BIO
2 stops17h 21mLufthansa
Tue 12/236:45 amBIO - AUS
1 stop14h 30mLufthansa
Deal found 12/10$1,796
This KAYAK deal was found by Cheapflights users on 12/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/1411:05 amAUS - BIO
2 stops27h 50mLufthansa
Wed 12/247:25 amBIO - AUS
2 stops18h 11mLufthansa
Deal found 12/11$1,799

Find flight deals from Austin to Bilbao

Discover tips and strategies to find the most affordable flight options for your journey from Austin (AUS) 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 12, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$488
(United Airlines)

Popular in

June

Cheapest in

January

Average price

$780
Provider with most accurate pricing for Austin Bergstrom-Bilbao flight deals.
Search Deals
Provider most trusted by Cheapflights users for Austin Bergstrom-Bilbao flights.
Search Deals
From Austin Bergstrom to Bilbao
Search Deals
Highest demand for flights based on searches. 22% potential increase in price ($240 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease ($50 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Austin to Bilbao that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated December 12, 2025.
Use the filters below to find and compare flights from Austin to Bilbao that are best for you.

Fly from

Austin

Fly to

Bilbao

Route

Depart

Return

Price

AustinBilbao

AUS - BIO

AUSBIO

Austin Bergstrom

Sat 3/7

5:30 pm-4:10 pm

2 stops39h 40m

Bilbao

Sun 3/15

6:45 am-3:15 pm

1 stop14h 30m

$488

AustinBilbao

AUS - BIO

AUSBIO

Austin Bergstrom

Fri 1/30

6:00 am-11:20 pm

3 stops34h 20m

Bilbao

Tue 2/3

11:35 am-3:46 pm

2 stops35h 11m

$493

AustinBilbao

AUS - BIO

AUSBIO

Austin Bergstrom

Wed 4/1

12:07 pm-11:05 am

2 stops15h 58m

Bilbao

Wed 4/15

6:45 am-1:55 pm

1 stop14h 10m

$731

AustinBilbao

AUS - BIO

AUSBIO

Austin Bergstrom

Mon 6/1

5:55 pm-5:30 pm

2 stops40h 35m

$697

AustinBilbao

AUS - BIO

AUSBIO

Austin Bergstrom

Mon 6/1

12:10 pm-6:00 pm

3 stops22h 50m

$902

AustinBilbao

AUS - BIO

AUSBIO

Austin Bergstrom

Mon 6/1

4:05 pm-1:20 pm

1 stop14h 15m

$914

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/10

Compare providers for flights from Austin 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 Austin to Bilbao in December.
ProviderPrice AccuracyTrust Score*
eDreamsPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Austin-Bilbao flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Austin-Bilbao flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Austin-Bilbao flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Austin-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 Austin-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 Austin to Bilbao

Have a flexible travel schedule? Discover the best time to fly to Bilbao from Austin 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 Austin to Bilbao

What is the cheapest month to book a flight from Austin to Bilbao?

Currently, January is the cheapest month in which you can book a flight from Austin to Bilbao (average of $489). Flying from Austin to Bilbao in June is currently the most expensive (average of $1,104). 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 AUS to BIO?

Find hourly flight availability from Austin 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 12, 2025.

It’s optimal to fly from Austin to Bilbao at noon. By choosing this option you can save up to 44% on the cost of your flight, compared to a flight in the evening.

Reviews of airlines servicing Bilbao

Get insights into the airlines that provide service to Bilbao. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Bilbao. Reviews last updated December 12, 2025.
Read through reviews of airlines operating flights from Austin to Bilbao, such as Delta, United Airlines, and Lufthansa. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
8,007 reviews

Boarding

8.1

Food

7.3

Entertainment

7.9

Crew

8.5

Comfort

7.9

Overall

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Delta
7.9
Good
8,007 reviews
Delta
7.9
Good
8,007 reviews

Boarding

8.1

Food

7.3

Entertainment

7.9

Crew

8.5

Comfort

7.9

Overall

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
United Airlines
7.4
Good
9,095 reviews
Delta
7.9
Good
8,007 reviews

Boarding

8.1

Food

7.3

Entertainment

7.9

Crew

8.5

Comfort

7.9

Overall

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Lufthansa
6.8
Okay
7,626 reviews
Delta
7.9
Good
8,007 reviews

Boarding

8.1

Food

7.3

Entertainment

7.9

Crew

8.5

Comfort

7.9

Overall

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Related info for your journey

Find useful and relevant information for your journey from Austin to Bilbao. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Austin to Bilbao?

    For as low as $488, United Airlines can have you in Bilbao from Austin in 39h 40m. The distance between Austin and Bilbao is about 5039 mi.

  • What are the cheapest airlines flying from Austin to Bilbao round-trip?

    Cheapflights users have booked flights from Austin to Bilbao round-trip from $532. Other airlines that can offer you cheap pricing are United Airlines, from $586, and Delta, from $695. Lufthansa is currently priced 37% below the average price you’ll pay for this route.

  • Can I find deals for flights from Austin to Bilbao that include hotel bookings?

    Yes. In addition to deals on Austin to Bilbao flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Austin to Bilbao?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Austin to Bilbao.

  • Can I find deals for business class flights from Austin to Bilbao?

    Yes. Cheapflights offers flight deals from Austin to Bilbao by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Austin to Bilbao?

    Currently, January is the cheapest month in which you can book a flight from Austin to Bilbao (average of $489). Flying from Austin to Bilbao in June is currently the most expensive (average of $1,104). 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.

See more FAQs

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Top 3 airlines flying from Austin to Bilbao

Discover the top 3 airlines that operate flights from Austin to Bilbao. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated December 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
LufthansaCheapest$532Average$766FlexibilityNo cancel feeOn-time76%
United AirlinesCheapest$586Average$943FlexibilityNo cancel feeOn-time69%
DeltaCheapest$695Average$1,133FlexibilityNo cancel feeOn-timeN/A

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