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Bilbao

$626+ Cheap flights from San Antonio (SAT) 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 9/15. Fares are subject to change and may not be available on all flights or dates of travel.
SAT — BIO
Mar 30 — Apr 61
Mon 3/30
Mon 4/6
1 adult, Economy
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Cheap flight deals from San Antonio to Bilbao

Cheapest flights from San Antonio to Bilbao
Explore the most affordable flight options available from San Antonio to Bilbao. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 28, 2026.

This United Airlines deal was found by Cheapflights users on 2/27. 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.
Tue 9/151:44 pm
SAT
-
BIO
1 stop14h 01m
United Airlines
Wed 9/306:50 am
BIO
-
SAT
2 stops23h 18m
United Airlines
Deal found 2/27$626
This United Airlines deal was found by Cheapflights users on 2/27. 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.
Tue 9/151:44 pm
SAT
-
BIO
1 stop14h 01m
United Airlines
Fri 9/256:45 am
BIO
-
SAT
2 stops33h 03m
United Airlines
Deal found 2/27$631
This Delta deal was found by Cheapflights users on 2/27. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/152:10 pm
SAT
-
BIO
2 stops20h 20m
Delta
Thu 9/247:10 am
BIO
-
SAT
2 stops23h 02m
Delta
Deal found 2/27$636
This Expedia deal was found by Cheapflights users on 2/25. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/148:13 am
SAT
-
BIO
2 stops25h 42m
Iberia
Mon 9/219:35 pm
BIO
-
SAT
2 stops33h 01m
Iberia
Deal found 2/25$653
This KAYAK deal was found by Cheapflights users on 2/27. 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.
Tue 9/112:50 pm
SAT
-
BIO
2 stops20h 40m
Multiple Airlines
Tue 9/157:10 am
BIO
-
SAT
2 stops23h 08m
Multiple Airlines
Deal found 2/27$661
This Delta deal was found by Cheapflights users on 2/27. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/305:30 am
SAT
-
BIO
2 stops21h 20m
Delta
Thu 9/176:50 am
BIO
-
SAT
2 stops24h 25m
Delta
Deal found 2/27$663
This KLM deal was found by Cheapflights users on 2/27. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/144:25 pm
SAT
-
BIO
2 stops16h 30m
KLM
Sat 10/310:30 am
BIO
-
SAT
2 stops19h 48m
KLM
Deal found 2/27$671
This KAYAK deal was found by Cheapflights users on 2/27. 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.
Tue 9/16:00 am
SAT
-
BIO
1 stop21h 45m
Lufthansa
Wed 9/1612:30 pm
BIO
-
SAT
2 stops17h 25m
Lufthansa
Deal found 2/27$675
This United Airlines deal was found by Cheapflights users on 2/27. 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.
Tue 9/151:44 pm
SAT
-
BIO
1 stop14h 01m
United Airlines
Tue 9/296:50 am
BIO
-
SAT
2 stops23h 18m
United Airlines
Deal found 2/27$677
This United Airlines deal was found by Cheapflights users on 2/27. 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 9/101:44 pm
SAT
-
BIO
1 stop14h 01m
United Airlines
Wed 9/306:50 am
BIO
-
SAT
2 stops23h 18m
United Airlines
Deal found 2/27$686

Find flight deals from San Antonio to Bilbao

Discover tips and strategies to find the most affordable flight options for your journey from San Antonio (SAT) 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 February 28, 2026.

Most accurate provider

Ovago
2 stars

Most trusted provider

Ovago
3 stars

Round-trip from

$693
(American Airlines)
Provider with most accurate pricing for San Antonio-Bilbao flight deals.
Search Deals
Provider most trusted by Cheapflights users for San Antonio-Bilbao flights.
Search Deals
From San Antonio to Bilbao
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Cheapflights Fare Finder

 
Customize your flight search to find flights from San Antonio 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 February 28, 2026.
Use the filters below to find and compare flights from San Antonio to Bilbao that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

San AntonioBilbao

SAT - BIO

SATBIO

San Antonio

Sun 4/12

6:49 am-1:20 pm

2 stops23h 31m

Bilbao

Sun 4/19

6:50 am-10:53 pm

2 stops23h 03m

$783

San AntonioBilbao

SAT - BIO

SATBIO

San Antonio

Mon 5/25

6:44 am-4:00 pm

2 stops26h 16m

Bilbao

Sun 6/7

12:30 pm-11:59 pm

2 stops18h 29m

$907

San AntonioBilbao

SAT - BIO

SATBIO

San Antonio

Wed 3/18

2:20 pm-11:20 pm

2 stops27h 00m

Bilbao

Sun 3/22

12:45 pm-10:57 pm

2 stops40h 12m

$914

San AntonioBilbao

SAT - BIO

SATBIO

San Antonio

Thu 3/19

11:15 am-12:00 pm

2 stops18h 45m

Bilbao

Wed 3/25

7:25 am-8:53 pm

2 stops19h 28m

$942

San AntonioBilbao

SAT - BIO

SATBIO

San Antonio

Sun 3/15

11:44 am-6:05 pm

2 stops24h 21m

Bilbao

Wed 3/25

7:25 am-8:53 pm

2 stops19h 28m

$995

San AntonioBilbao

SAT - BIO

SATBIO

San Antonio

Thu 6/4

8:53 am-10:45 am

2 stops18h 52m

Bilbao

Thu 6/11

6:50 am-12:29 am

2 stops24h 39m

$1,049

San AntonioBilbao

SAT - BIO

SATBIO

San Antonio

Mon 5/25

6:00 am-5:25 pm

2 stops28h 25m

Bilbao

Sun 6/7

5:35 pm-11:51 pm

2 stops37h 16m

$1,051

San AntonioBilbao

SAT - BIO

SATBIO

San Antonio

Tue 6/23

1:40 pm-4:00 pm

2 stops19h 20m

Bilbao

Thu 8/6

7:15 am-10:54 pm

2 stops22h 39m

$1,065

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/26

Sorted by cheapest first
  • Most accurate provider: When it comes to deals on San Antonio-Bilbao flights, users find the pricing of Ovago to be most consistent on Cheapflights vs. Ovago Users can find the same prices on San Antonio-Bilbao flight deals on Cheapflights vs. Ovago 90-95% of the time. Price accuracy is based on data collected from San Antonio-Bilbao flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on San Antonio-Bilbao flights, Cheapflights users trust Ovago the most. Ovago 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 San Antonio-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 San Antonio to Bilbao

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

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

Currently, March is the cheapest month in which you can book a flight from San Antonio to Bilbao (average of $450). Flying from San Antonio 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.

Related info for your journey

Find useful and relevant information for your journey from San Antonio 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 San Antonio to Bilbao?

    Departing from San Antonio to Bilbao will take you 17h 14m. Airlines will cover a distance of 5105 mi. Both multi-stop and nonstop flights can be found to your destination and back.

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

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

  • How can I find direct flights from San Antonio to Bilbao?

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

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

    Yes. Cheapflights offers flight deals from San Antonio 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 San Antonio to Bilbao?

    Currently, March is the cheapest month in which you can book a flight from San Antonio to Bilbao (average of $450). Flying from San Antonio 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

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