$605+ 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 10/15. Fares are subject to change and may not be available on all flights or dates of travel.
SAT — BIO
ago. 19 — ago. 261
1 adult, Economy
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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 agosto 14, 2025.
Round-trip from | $605 (United Airlines) |
|---|
Find flight deals from San Antonio to Bilbao
Cheapest flights from San Antonio to BilbaoExplore 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 agosto 14, 2025.
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 agosto 14, 2025.
This United Airlines deal was found by Cheapflights users on 8/12. 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.
mié. 10/155:09 pmSAT - BIO
2 stops17h 41mUnited Airlines
jue. 10/306:30 amBIO - SAT
2 stops20h 50mUnited Airlines
Deal found 8/12![United Airlines logo]()
$605
This Mytrip deal was found by Cheapflights users on 8/12. 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.
mié. 10/152:59 pmSAT - BIO
3 stops25h 01mMultiple Airlines
jue. 10/3012:10 pmBIO - SAT
3 stops33h 45mMultiple Airlines
Deal found 8/12![Multiple Airlines logo]()
$779
This Rumbo deal was found by Cheapflights users on 8/13. 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 Rumbo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 8/2811:45 amSAT - BIO
2 stops18h 35mLufthansa
lun. 9/17:10 pmBIO - SAT
2 stops29h 32mLufthansa
Deal found 8/13![Lufthansa logo]()
$1,470
This United Airlines deal was found by Cheapflights users on 8/13. 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.
jue. 8/286:30 amSAT - BIO
2 stops21h 15mUnited Airlines
lun. 9/16:45 amBIO - SAT
3 stops23h 03mUnited Airlines
Deal found 8/13![United Airlines logo]()
$1,501
This United deal was found by Cheapflights users on 8/13. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 8/288:55 amSAT - BIO
3 stops18h 50mMultiple Airlines
lun. 9/16:45 amBIO - SAT
3 stops23h 03mMultiple Airlines
Deal found 8/13![Multiple Airlines logo]()
$2,251
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 agosto 14, 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
mié. 10/15
5:09 pm-5:50 pm
2 stops17h 41m
Bilbao
jue. 10/30
6:30 am-9:20 pm
2 stops20h 50m
$605
San AntonioBilbao
SAT - BIO
SATBIO
San Antonio
mié. 10/15
5:09 pm-11:25 pm
2 stops23h 16m
Bilbao
jue. 10/30
6:30 am-10:27 pm
2 stops21h 57m
$605
San AntonioBilbao
SAT - BIO
SATBIO
San Antonio
mié. 10/15
2:59 pm-11:00 pm
3 stops25h 01m
Bilbao
jue. 10/30
12:10 pm-3:55 pm
3 stops33h 45m
$779
San AntonioBilbao
SAT - BIO
SATBIO
San Antonio
jue. 8/28
11:45 am-1:20 pm
2 stops18h 35m
Bilbao
lun. 9/1
7:10 pm-5:42 pm
2 stops29h 32m
$1,470
San AntonioBilbao
SAT - BIO
SATBIO
San Antonio
jue. 8/28
6:30 am-10:45 am
2 stops21h 15m
Bilbao
lun. 9/1
6:45 am-10:48 pm
3 stops23h 03m
$1,501
San AntonioBilbao
SAT - BIO
SATBIO
San Antonio
jue. 8/28
8:55 am-10:45 am
3 stops18h 50m
Bilbao
lun. 9/1
6:45 am-10:48 pm
3 stops23h 03m
$2,251
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 $541). Flying from San Antonio to Bilbao in June is currently the most expensive (average of $1,139). 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 agosto 14, 2025.
It’s optimal to fly from San Antonio to Bilbao at noon. By choosing this option you can save up to 38% on the cost of your flight, compared to a flight in the morning.