HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Bilbao

$765+ 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 9/1. Fares are subject to change and may not be available on all flights or dates of travel.
SAT — BIO
Jul 8 — Jul 151
Wed 7/8
Wed 7/15
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from San Antonio 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 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 June 8, 2026.

This United Airlines deal was found by Cheapflights users on 6/3. 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 9/11:00 pm
SAT
-
BIO
1 stop14h 45m
United Airlines
Tue 9/156:50 am
BIO
-
SAT
2 stops22h 54m
United Airlines
Deal found 6/3$765
This United Airlines deal was found by Cheapflights users on 6/7. 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.
Wed 7/88:53 am
SAT
-
BIO
2 stops26h 02m
United Airlines
Tue 7/147:15 am
BIO
-
SAT
2 stops22h 42m
United Airlines
Deal found 6/7$922
This United Airlines deal was found by Cheapflights users on 6/7. 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 7/141:35 pm
SAT
-
BIO
1 stop14h 10m
United Airlines
Mon 7/272:10 pm
BIO
-
SAT
2 stops51h 49m
United Airlines
Deal found 6/7$941
This United Airlines deal was found by Cheapflights users on 6/4. 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.
Sun 7/197:00 am
SAT
-
BIO
2 stops27h 55m
United Airlines
Sun 7/266:50 am
BIO
-
SAT
2 stops45h 23m
United Airlines
Deal found 6/4$991
This United Airlines deal was found by Cheapflights users on 6/4. 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.
Sun 8/26:40 am
SAT
-
BIO
2 stops33h 45m
United Airlines
Fri 8/147:15 am
BIO
-
SAT
2 stops36h 28m
United Airlines
Deal found 6/4$1,044
This Expedia deal was found by Cheapflights users on 6/5. 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.
Sat 7/41:39 pm
SAT
-
BIO
2 stops26h 46m
Lufthansa
Fri 7/106:40 pm
BIO
-
SAT
2 stops33h 14m
Lufthansa
Deal found 6/5$1,148

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 June 8, 2026.

Most accurate provider

Ovago
3 stars

Most trusted provider

Ovago
3 stars

Round-trip from

$765
(United 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
Search Deals

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 June 8, 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

Cheapest round-trip
Quickest round-trip

San AntonioBilbao

SAT - BIO

SATBIO

San Antonio

Tue 9/1

1:00 pm-10:45 am

1 stop14h 45m

Bilbao

Tue 9/15

6:50 am-10:44 pm

2 stops22h 54m

$765

San AntonioBilbao

SAT - BIO

SATBIO

San Antonio

Tue 7/14

1:35 pm-10:45 am

1 stop14h 10m

Bilbao

Mon 7/27

2:10 pm-10:59 am

2 stops51h 49m

$941

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/3

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 >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.

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 14h 45m. Airlines will cover a distance of 5105 mi.

  • 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.

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.

Alternative routes for San Antonio to Bilbao

See prices for flight routes from nearby airports that may be better suited for you.
Austin to San Sebastian flights
Laredo to Bilbao flights

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.