$385+ 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 12/31. Fares are subject to change and may not be available on all flights or dates of travel.
SAT — BIO
Oct 26 — Nov 21
Round-trip
1 adult, Economy
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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
Best
Last-minute
One-way
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 September 26, 2026.
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 September 26, 2026.
This Expedia deal was found by Cheapflights users on 9/21. 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 11/712:45 pm -
2 stops36h 45m
Mon 11/309:35 pm -
2 stops33h 58m
Deal found 9/21![Iberia logo]()
$648
This United Airlines deal was found by Cheapflights users on 9/22. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/146:35 am -
2 stops21h 30m
Mon 10/196:50 am -
2 stops23h 00m
Deal found 9/22![United Airlines logo]()
$665
This KAYAK deal was found by Cheapflights users on 9/22. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/71:23 pm -
2 stops36h 07m
Mon 11/309:35 pm -
2 stops33h 58m
Deal found 9/22![British Airways logo]()
$685
This United Airlines deal was found by Cheapflights users on 9/21. 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.
Sat 11/77:15 pm -
2 stops43h 40m
Mon 11/306:45 am -
2 stops47h 12m
Deal found 9/21![United Airlines logo]()
$686
This United Airlines deal was found by Cheapflights users on 9/23. 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.
Fri 11/62:20 pm -
2 stops20h 25m
Sun 11/226:45 am -
2 stops20h 39m
Deal found 9/23![United Airlines logo]()
$698
This Expedia deal was found by Cheapflights users on 9/25. 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 11/97:15 am -
2 stops22h 35m
Mon 11/161:35 pm -
2 stops28h 07m
Deal found 9/25![Iberia logo]()
$798
This United Airlines deal was found by Cheapflights users on 9/25. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/95:30 am -
3 stops34h 40m
Mon 11/1611:45 am -
2 stops40h 08m
Deal found 9/25![United Airlines logo]()
$800
This KLM deal was found by Cheapflights users on 9/25. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/62:30 pm -
2 stops19h 00m
Sun 11/228:30 am -
2 stops20h 36m
Deal found 9/25![KLM logo]()
$861
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 September 26, 2026.
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 September 26, 2026.
This Expedia deal was found by Cheapflights users on 9/21. 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 11/712:45 pm -
2 stops36h 45m
Mon 11/309:35 pm -
2 stops33h 58m
Deal found 9/21![Iberia logo]()
$648
This United Airlines deal was found by Cheapflights users on 9/22. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/146:35 am -
2 stops21h 30m
Mon 10/196:50 am -
2 stops23h 00m
Deal found 9/22![United Airlines logo]()
$665
This United Airlines deal was found by Cheapflights users on 9/22. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/78:56 am -
3 stops48h 14m
Mon 11/306:45 am -
2 stops47h 12m
Deal found 9/22![United Airlines logo]()
$690
This United Airlines deal was found by Cheapflights users on 9/23. 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.
Fri 11/62:20 pm -
2 stops20h 25m
Sun 11/226:45 am -
2 stops20h 39m
Deal found 9/23![United Airlines logo]()
$698
This United Airlines deal was found by Cheapflights users on 9/25. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/11:25 pm -
2 stops26h 45m
Fri 3/56:45 am -
2 stops23h 21m
Deal found 9/25![United Airlines logo]()
$725
Last-minute flights from San Antonio to BilbaoDiscover last-minute flight deals from San Antonio to Bilbao. Data last updated September 26, 2026 and is based on user searches.
Discover last-minute flight deals from San Antonio to Bilbao. Data last updated September 26, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 9/21. 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 10/77:00 am -
2 stops21h 05m
Sun 10/116:50 am -
2 stops32h 48m
Deal found 9/21![United Airlines logo]()
$946
This United Airlines deal was found by Cheapflights users on 9/22. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/146:35 am -
2 stops21h 30m
Mon 10/196:50 am -
2 stops23h 00m
Deal found 9/22![United Airlines logo]()
$665
This Delta deal was found by Cheapflights users on 9/23. 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.
Sat 10/245:00 pm -
2 stops18h 25m
Thu 10/2912:15 pm -
2 stops18h 18m
Deal found 9/23![Delta logo]()
$1,090
One-way flights from San Antonio to BilbaoSearch for one-way flight options from San Antonio to Bilbao. Find affordable one-way fares based on user searches. Data last updated September 26, 2026.
Search for one-way flight options from San Antonio to Bilbao. Find affordable one-way fares based on user searches. Data last updated September 26, 2026.
This Air France deal was found by Cheapflights users on 9/22. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/314:45 pm -
2 stops17h 40m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/22![Air France logo]()
$385
This Kiwi.com deal was found by Cheapflights users on 9/22. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/3111:47 am -
3 stops26h 33m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/22![Multiple Airlines logo]()
$476
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 September 26, 2026.
Most accurate provider | Ovago 3 stars |
|---|---|
Most trusted provider | Ovago 3 stars |
Round-trip from | $648 (Expedia) |
One-way from | $385 (Air France) |
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 7,457,451 searches. Data last updated September 26, 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
Cheapest round-trip
Quickest round-trip
San AntonioBilbao
SAT San Antonio - BIO Bilbao
SATBIO
San Antonio
Thu 12/31
4:45 pm-5:25 pm
2 stops17h 40m
Bilbao
Wed 12/31
12:00 am-5:00 pm
Nonstop0h 00m
$385
San AntonioBilbao
SAT San Antonio - BIO Bilbao
SATBIO
San Antonio
Thu 12/31
11:47 am-9:20 pm
3 stops26h 33m
Bilbao
Wed 12/31
12:00 am-5:00 pm
Nonstop0h 00m
$476
San AntonioBilbao
SAT San Antonio - BIO Bilbao
SATBIO
San Antonio
Sat 11/7
12:45 pm-8:30 am
2 stops36h 45m
Bilbao
Mon 11/30
9:35 pm-12:33 am
2 stops33h 58m
$648
San AntonioBilbao
SAT San Antonio - BIO Bilbao
SATBIO
San Antonio
Wed 10/14
6:35 am-11:05 am
2 stops21h 30m
Bilbao
Mon 10/19
6:50 am-10:50 pm
2 stops23h 00m
$665
San AntonioBilbao
SAT San Antonio - BIO Bilbao
SATBIO
San Antonio
Sat 11/7
8:56 am-4:10 pm
3 stops48h 14m
Bilbao
Mon 11/30
6:45 am-10:57 pm
2 stops47h 12m
$690
San AntonioBilbao
SAT San Antonio - BIO Bilbao
SATBIO
San Antonio
Fri 11/6
2:20 pm-5:45 pm
2 stops20h 25m
Bilbao
Sun 11/22
6:45 am-8:24 pm
2 stops20h 39m
$698
San AntonioBilbao
SAT San Antonio - BIO Bilbao
SATBIO
San Antonio
Mon 3/1
1:25 pm-11:10 pm
2 stops26h 45m
Bilbao
Fri 3/5
6:45 am-11:06 pm
2 stops23h 21m
$725
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.
SAT-BIO
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.
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