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Bilbao

$219+ 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 10/6. Fares are subject to change and may not be available on all flights or dates of travel.
AUS — BIO
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
1 adult, Economy
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Cheap 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 September 11, 2025.

Round-trip from

$603
(Air Canada)

One-way from

$219
(Kiwi.com)

Popular in

June

Cheapest in

October

Average price

$942
From Austin Bergstrom to Bilbao
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One-way flight from Austin Bergstrom to Bilbao
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Highest demand for flights based on searches. 10% potential increase in price ($118 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($36 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find 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 September 11, 2025.

This Lufthansa deal was found by Cheapflights users on 9/9. 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.
Fri 10/245:15 pmAUS - BIO
2 stops17h 35mLufthansa
Fri 10/316:45 amBIO - AUS
2 stops19h 08mLufthansa
Deal found 9/9$606
This lol.travel deal was found by Cheapflights users on 9/11. 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 lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/265:10 pmAUS - BIO
1 stop17h 30mUnited Airlines
Sun 11/25:45 amBIO - AUS
1 stop14h 30mUnited Airlines
Deal found 9/11$619
This Gotogate deal was found by Cheapflights users on 9/11. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/265:10 pmAUS - BIO
2 stops23h 55mLufthansa
Sun 11/26:50 pmBIO - AUS
2 stops50h 25mLufthansa
Deal found 9/11$662
This United Airlines deal was found by Cheapflights users on 9/10. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/256:45 amAUS - BIO
2 stops23h 05mUnited Airlines
Sun 1/116:45 amBIO - AUS
1 stop14h 30mUnited Airlines
Deal found 9/10$702
This United Airlines deal was found by Cheapflights users on 9/11. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/114:50 pmAUS - BIO
2 stops40h 15mUnited Airlines
Sat 10/1811:50 amBIO - AUS
2 stops57h 13mUnited Airlines
Deal found 9/11$755
This Trip.com deal was found by Cheapflights users on 9/11. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/114:05 pmAUS - BIO
1 stop14h 15mLufthansa
Sat 10/186:45 amBIO - AUS
1 stop14h 35mLufthansa
Deal found 9/11$781
This Mytrip deal was found by Cheapflights users on 9/9. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/249:56 amAUS - BIO
3 stops40h 24mMultiple Airlines
Fri 10/318:30 amBIO - AUS
3 stops31h 27mMultiple Airlines
Deal found 9/9$795
This United Airlines deal was found by Cheapflights users on 9/9. 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.
Fri 10/2410:00 amAUS - BIO
2 stops25h 25mUnited Airlines
Fri 10/317:25 amBIO - AUS
3 stops37h 54mUnited Airlines
Deal found 9/9$828

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 September 11, 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

Thu 2/5

11:30 am-12:50 pm

2 stops18h 20m

Bilbao

Wed 2/18

12:50 pm-12:19 pm

2 stops30h 29m

$603

AustinBilbao

AUS - BIO

AUSBIO

Austin Bergstrom

Fri 10/24

5:15 pm-5:50 pm

2 stops17h 35m

Bilbao

Fri 10/31

6:45 am-7:53 pm

2 stops19h 08m

$606

AustinBilbao

AUS - BIO

AUSBIO

Austin Bergstrom

Thu 2/5

9:35 am-12:00 pm

3 stops19h 25m

Bilbao

Wed 2/18

12:50 pm-12:19 pm

2 stops30h 29m

$607

AustinBilbao

AUS - BIO

AUSBIO

Austin Bergstrom

Sun 10/26

5:10 pm-4:40 pm

1 stop17h 30m

Bilbao

Sun 11/2

5:45 am-2:15 pm

1 stop14h 30m

$619

AustinBilbao

AUS - BIO

AUSBIO

Austin Bergstrom

Sun 10/26

5:10 pm-11:05 pm

2 stops23h 55m

Bilbao

Sun 11/2

6:50 pm-2:15 pm

2 stops50h 25m

$662

AustinBilbao

AUS - BIO

AUSBIO

Austin Bergstrom

Thu 12/25

6:45 am-12:50 pm

2 stops23h 05m

Bilbao

Sun 1/11

6:45 am-2:15 pm

1 stop14h 30m

$702

AustinBilbao

AUS - BIO

AUSBIO

Austin Bergstrom

Sat 10/11

4:50 pm-4:05 pm

2 stops40h 15m

Bilbao

Sat 10/18

11:50 am-2:03 pm

2 stops57h 13m

$755

AustinBilbao

AUS - BIO

AUSBIO

Austin Bergstrom

Sat 10/11

4:05 pm-1:20 pm

1 stop14h 15m

Bilbao

Sat 10/18

6:45 am-2:20 pm

1 stop14h 35m

$781

AustinBilbao

AUS - BIO

AUSBIO

Austin Bergstrom

Fri 10/24

9:56 am-9:20 am

3 stops40h 24m

Bilbao

Fri 10/31

8:30 am-9:57 am

3 stops31h 27m

$795

AustinBilbao

AUS - BIO

AUSBIO

Austin Bergstrom

Mon 10/6

6:15 pm-10:40 pm

2 stops45h 25m

$219

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/9

Showing 1-10 of 11 results
1
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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 $541). Flying from Austin to Bilbao in June is currently the most expensive (average of $1,136). 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 September 11, 2025.

It’s optimal to fly from Austin to Bilbao at noon. By choosing this option you can save up to 45% 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 September 11, 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
8.0
Very good
7,960 reviews

Crew

8.5

Boarding

8.2

Entertainment

7.9

Overall

8.0

Food

7.3

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,960 reviews
Delta
8.0
Very good
7,960 reviews

Crew

8.5

Boarding

8.2

Entertainment

7.9

Overall

8.0

Food

7.3

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,937 reviews
Delta
8.0
Very good
7,960 reviews

Crew

8.5

Boarding

8.2

Entertainment

7.9

Overall

8.0

Food

7.3

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Lufthansa
6.8
Okay
7,409 reviews
Delta
8.0
Very good
7,960 reviews

Crew

8.5

Boarding

8.2

Entertainment

7.9

Overall

8.0

Food

7.3

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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 $619, Lufthansa can have you in Bilbao from Austin in 17h 30m. 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 $594. Other airlines that can offer you cheap pricing are Delta, from $695, and United Airlines, from $699. Lufthansa is currently priced 40% 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 $541). Flying from Austin to Bilbao in June is currently the most expensive (average of $1,136). 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 September 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
LufthansaCheapest$594Average$797FlexibilityNo cancel feeOn-time76%
DeltaCheapest$695Average$1,403FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$699Average$992FlexibilityNo cancel feeOn-time69%

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