HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Bilbao

$345+ Cheap flights from Austin (AUS) to Bilbao (BIO)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 4/7. Fares are subject to change and may not be available on all flights or dates of travel.
AUS — BIO
feb. 26 — mar. 51
jue. 2/26
jue. 3/5
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Austin to Bilbao with Cheapflights

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.

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 enero 27, 2026.

This Cheapflightsfares deal was found by Cheapflights users on 1/25. 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.
mar. 3/105:33 pm
AUS
-
BIO
2 stops22h 22m
Lufthansa
mar. 3/246:45 am
BIO
-
AUS
2 stops22h 10m
Lufthansa
Deal found 1/25$470
This United Airlines deal was found by Cheapflights users on 1/24. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 4/132:10 pm
AUS
-
BIO
2 stops26h 15m
United Airlines
mié. 4/226:50 am
BIO
-
AUS
1 stop14h 10m
United Airlines
Deal found 1/24$478
This United Airlines deal was found by Cheapflights users on 1/25. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 2/267:15 am
AUS
-
BIO
2 stops22h 35m
United Airlines
dom. 3/16:45 am
BIO
-
AUS
2 stops23h 30m
United Airlines
Deal found 1/25$489
This Orbitz deal was found by Cheapflights users on 1/25. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 2/224:10 pm
AUS
-
BIO
1 stop23h 40m
Lufthansa
dom. 3/15:35 pm
BIO
-
AUS
2 stops34h 09m
Lufthansa
Deal found 1/25$516
This Cheapflightsfares deal was found by Cheapflights users on 1/25. 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.
mar. 9/11:00 pm
AUS
-
BIO
2 stops21h 55m
Lufthansa
mar. 9/156:50 am
BIO
-
AUS
1 stop14h 10m
Lufthansa
Deal found 1/25$520
This Cheapflightsfares deal was found by Cheapflights users on 1/26. 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.
mié. 8/124:05 pm
AUS
-
BIO
1 stop18h 10m
Lufthansa
mié. 8/196:50 am
BIO
-
AUS
1 stop14h 10m
Lufthansa
Deal found 1/26$527
This Cheapflightsfares deal was found by Cheapflights users on 1/26. 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.
mié. 4/14:57 pm
AUS
-
BIO
2 stops23h 28m
Lufthansa
mié. 4/156:50 am
BIO
-
AUS
1 stop14h 10m
Lufthansa
Deal found 1/26$532

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 enero 27, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$470
(Cheapflightsfares)

One-way from

$345
(Kiwi.com)

Popular in

June

Cheapest in

January

Average price

$489
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
One-way flight from Austin Bergstrom to Bilbao
Search Deals
Highest demand for flights based on searches. 23% potential increase in price ($255 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 January 2026
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 enero 27, 2026.
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

mar. 3/10

5:10 pm-12:05 pm

1 stop12h 55m

Bilbao

mar. 3/24

6:45 am-10:55 pm

2 stops22h 10m

$477

AustinBilbao

AUS - BIO

AUSBIO

Austin Bergstrom

lun. 4/13

2:10 pm-11:25 pm

2 stops26h 15m

Bilbao

mié. 4/22

6:50 am-2:00 pm

1 stop14h 10m

$478

AustinBilbao

AUS - BIO

AUSBIO

Austin Bergstrom

jue. 2/26

6:30 am-12:50 pm

2 stops23h 20m

Bilbao

dom. 3/1

6:45 am-11:15 pm

2 stops23h 30m

$489

AustinBilbao

AUS - BIO

AUSBIO

Austin Bergstrom

mar. 3/10

9:00 am-12:50 pm

2 stops21h 50m

Bilbao

mar. 3/24

6:45 am-8:34 am

2 stops31h 49m

$489

AustinBilbao

AUS - BIO

AUSBIO

Austin Bergstrom

dom. 2/22

4:10 pm-10:50 pm

1 stop23h 40m

Bilbao

dom. 3/1

5:35 pm-8:44 pm

2 stops34h 09m

$516

AustinBilbao

AUS - BIO

AUSBIO

Austin Bergstrom

mar. 4/7

12:08 pm-4:35 pm

3 stops45h 27m

$345

AustinBilbao

AUS - BIO

AUSBIO

Austin Bergstrom

mié. 4/8

8:30 am-5:30 pm

2 stops26h 00m

$346

AustinBilbao

AUS - BIO

AUSBIO

Austin Bergstrom

mié. 6/24

12:42 pm-11:15 pm

2 stops27h 33m

$378

AustinBilbao

AUS - BIO

AUSBIO

Austin Bergstrom

jue. 4/9

7:20 am-3:20 pm

3 stops49h 00m

$392

AustinBilbao

AUS - BIO

AUSBIO

Austin Bergstrom

mié. 4/8

6:00 am-4:35 pm

3 stops27h 35m

$393

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/25

Showing 1-10 of 13 results
1
2

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 January.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy2 starsTrust Score*2 stars

*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 FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Austin-Bilbao flight deals on Cheapflights vs. FlightHub >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 FlightHub the most. FlightHub 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 $1,108). 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.

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 enero 27, 2026.
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
8,119 reviews

Overall

7.9

Comfort

7.9

Boarding

8.1

Entertainment

7.8

Crew

8.5

Food

7.2

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
8,119 reviews
Delta
7.9
Good
8,119 reviews

Overall

7.9

Comfort

7.9

Boarding

8.1

Entertainment

7.8

Crew

8.5

Food

7.2

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
9,205 reviews
Delta
7.9
Good
8,119 reviews

Overall

7.9

Comfort

7.9

Boarding

8.1

Entertainment

7.8

Crew

8.5

Food

7.2

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
7,749 reviews
Delta
7.9
Good
8,119 reviews

Overall

7.9

Comfort

7.9

Boarding

8.1

Entertainment

7.8

Crew

8.5

Food

7.2

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 $477, Lufthansa can have you in Bilbao from Austin in 12h 55m. The distance between Austin and Bilbao is about 5039 mi. This flight may include one or multiple stops.

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

    Cheapflights users have booked flights from Austin to Bilbao round-trip from $525. Other airlines that can offer you cheap pricing are Lufthansa, from $532, and United Airlines, from $586. Delta is currently priced 36% 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 $1,108). 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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 enero 27, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$525Average$887FlexibilityNo cancel feeOn-timeN/A
LufthansaCheapest$532Average$780FlexibilityNo cancel feeOn-time76%
United AirlinesCheapest$586Average$943FlexibilityNo cancel feeOn-time69%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.