HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
San Antonio

$817+ Cheap flights from Bilbao (BIO) to San Antonio (SAT)

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 11/13. Fares are subject to change and may not be available on all flights or dates of travel.
BIO — SAT
Nov 28 — Dec 51
Fri 11/28
Fri 12/5
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Bilbao to San Antonio 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.

Find flight deals from Bilbao to San Antonio

Cheapest flights from Bilbao to San Antonio
Explore the most affordable flight options available from Bilbao to San Antonio. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 29, 2025.

This United Airlines deal was found by Cheapflights users on 10/28. 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 11/136:45 amBIO - SAT
2 stops23h 11mUnited Airlines
Mon 11/172:04 pmSAT - BIO
2 stops39h 01mUnited Airlines
Deal found 10/28$817
This Delta deal was found by Cheapflights users on 10/27. 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.
Thu 11/1311:55 amBIO - SAT
2 stops18h 02mDelta
Mon 11/174:57 pmSAT - BIO
2 stops35h 33mDelta
Deal found 10/27$841
This United Airlines deal was found by Cheapflights users on 10/28. 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.
Mon 12/87:25 amBIO - SAT
2 stops22h 35mUnited Airlines
Sat 12/131:34 pmSAT - BIO
2 stops26h 46mUnited Airlines
Deal found 10/28$1,425

Cheap flight deals from Bilbao to San Antonio

Discover tips and strategies to find the most affordable flight options for your journey from Bilbao (BIO) to San Antonio (SAT). 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 October 29, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

Expedia
3 stars

Round-trip from

$817
(United Airlines)
Provider with most accurate pricing for Bilbao-San Antonio flight deals.
Search Deals
Provider most trusted by Cheapflights users for Bilbao-San Antonio flights.
Search Deals
From Bilbao to San Antonio
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Bilbao to San Antonio 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 October 29, 2025.
Use the filters below to find and compare flights from Bilbao to San Antonio that are best for you.

Fly from

Bilbao

Fly to

San Antonio

Route

Depart

Return

Price

BilbaoSan Antonio

BIO - SAT

BIOSAT

Bilbao

Thu 11/13

6:45 am-10:56 pm

2 stops23h 11m

San Antonio

Mon 11/17

2:04 pm-12:05 pm

2 stops39h 01m

$817

BilbaoSan Antonio

BIO - SAT

BIOSAT

Bilbao

Thu 11/13

11:55 am-10:57 pm

2 stops18h 02m

San Antonio

Mon 11/17

4:57 pm-11:30 am

2 stops35h 33m

$841

BilbaoSan Antonio

BIO - SAT

BIOSAT

Bilbao

Fri 1/9

6:45 am-5:33 pm

2 stops17h 48m

San Antonio

Sat 6/13

12:10 pm-1:00 pm

2 stops17h 50m

$1,383

BilbaoSan Antonio

BIO - SAT

BIOSAT

Bilbao

Mon 12/8

7:25 am-11:00 pm

2 stops22h 35m

San Antonio

Sat 12/13

1:34 pm-11:20 pm

2 stops26h 46m

$1,425

BilbaoSan Antonio

BIO - SAT

BIOSAT

Bilbao

Fri 1/9

6:45 am-5:33 pm

2 stops17h 48m

San Antonio

Sat 6/13

12:50 pm-10:45 am

1 stop14h 55m

$1,572

BilbaoSan Antonio

BIO - SAT

BIOSAT

Bilbao

Sun 1/4

3:55 pm-11:59 pm

2 stops39h 04m

San Antonio

Mon 6/8

6:15 am-5:30 pm

2 stops28h 15m

$2,028

BilbaoSan Antonio

BIO - SAT

BIOSAT

Bilbao

Sun 1/4

3:55 pm-11:59 pm

2 stops39h 04m

San Antonio

Tue 6/9

1:11 pm-5:30 pm

2 stops21h 19m

$2,028

BilbaoSan Antonio

BIO - SAT

BIOSAT

Bilbao

Sun 1/4

3:55 pm-11:59 pm

2 stops39h 04m

San Antonio

Sun 6/7

6:15 am-5:30 pm

2 stops28h 15m

$2,046

BilbaoSan Antonio

BIO - SAT

BIOSAT

Bilbao

Sun 1/4

3:55 pm-11:59 pm

2 stops39h 04m

$1,883

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/27

Compare providers for flights from Bilbao to San Antonio

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 Bilbao to San Antonio in October.
ProviderPrice AccuracyTrust Score*
ExpediaPrice 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 Bilbao-San Antonio flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Bilbao-San Antonio flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Bilbao-San Antonio flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Bilbao-San Antonio flights, Cheapflights users trust Expedia the most. Expedia 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 Bilbao-San Antonio 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 Bilbao to San Antonio

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

    For as low as $841, United Airlines can have you in San Antonio from Bilbao in 18h 02m. The distance between Bilbao and San Antonio is about 5105 mi. This flight may include one or multiple stops.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Bilbao to San Antonio 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

Traveling to a place near San Antonio?

Book flights to San Antonio if you plan to visit one of these locations
New Braunfels
Kerrville

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 Bilbao to San Antonio

See prices for flight routes from nearby airports that may be better suited for you.
Bilbao to Hobby flights
Bilbao to George Bush Intcntl flights
Bilbao to Dallas/Fort Worth flights
Bilbao to Austin 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.