$484+ 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 1/23. Fares are subject to change and may not be available on all flights or dates of travel.
SAT — BIO
Dec 24 — Dec 311
1 adult, Economy
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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
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 November 24, 2025.
Most accurate provider | eDreams 3 stars |
|---|---|
Most trusted provider | eDreams 3 stars |
Round-trip from | $484 (Delta) |
Find flight deals from San Antonio to Bilbao
Best flights from San Antonio to BilbaoDiscover carefully curated flight deals from San Antonio to Bilbao that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated November 24, 2025.
Discover carefully curated flight deals from San Antonio to Bilbao that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated November 24, 2025.
This Delta deal was found by Cheapflights users on 11/22. 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.
Fri 1/2312:55 pmSAT - BIO
2 stops21h 25mDelta
Tue 1/276:50 amBIO - SAT
2 stops23h 05mDelta
Deal found 11/22![Delta logo]()
$484
This United Airlines deal was found by Cheapflights users on 11/24. 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.
Mon 2/212:15 pmSAT - BIO
2 stops15h 35mUnited Airlines
Mon 2/912:50 pmBIO - SAT
2 stops39h 31mUnited Airlines
Deal found 11/24![United Airlines logo]()
$702
This United Airlines deal was found by Cheapflights users on 11/24. 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.
Thu 1/82:05 pmSAT - BIO
2 stops15h 45mUnited Airlines
Thu 1/157:40 amBIO - SAT
2 stops20h 04mUnited Airlines
Deal found 11/24![United Airlines logo]()
$787
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 November 24, 2025.
Use the filters below to find and compare flights from San Antonio to Bilbao that are best for you.
Fly from
San Antonio
Fly to
Bilbao
Route
Depart
Return
Price
San AntonioBilbao
SAT - BIO
SATBIO
San Antonio
Fri 1/23
12:55 pm-5:20 pm
2 stops21h 25m
Bilbao
Tue 1/27
6:50 am-10:55 pm
2 stops23h 05m
$484
San AntonioBilbao
SAT - BIO
SATBIO
San Antonio
Mon 2/2
12:15 pm-10:50 am
2 stops15h 35m
Bilbao
Mon 2/9
12:50 pm-9:21 pm
2 stops39h 31m
$702
San AntonioBilbao
SAT - BIO
SATBIO
San Antonio
Thu 1/8
2:05 pm-12:50 pm
2 stops15h 45m
Bilbao
Thu 1/15
7:40 am-8:44 pm
2 stops20h 04m
$787
- Most accurate provider: When it comes to deals on San Antonio-Bilbao flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on San Antonio-Bilbao flight deals on Cheapflights vs. eDreams >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 eDreams the most. eDreams 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, January is the cheapest month in which you can book a flight from San Antonio to Bilbao (average of $489). Flying from San Antonio to Bilbao in June is currently the most expensive (average of $1,104). 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 SAT to BIO?
Find hourly flight availability from San Antonio 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 November 24, 2025.
It’s optimal to fly from San Antonio to Bilbao at noon. By choosing this option you can save up to 42% on the cost of your flight, compared to a flight in the evening.