$826 Cheap Flights from San Antonio (SAT) to Santander (SDR)

View $826 flight on Mon, Sep 1, 2025Opens in a new window

Popular airlines from San Antonio International Airport (SAT) to Santander (SDR)

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Cheap Flights from San Antonio to Santander (SAT-SDR)

Prices were available within the past 7 days and start at $826 for one-way flights and $1,442 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Iberia
Mon, Sep 1 - Fri, Sep 5
SAT
San Antonio
SDR
Santander
$1,442 Roundtrip, found 2 days ago
$1,442
Roundtrip
found 2 days ago
Select Iberia flight, departing Mon, Sep 1 from San Antonio to Santander, returning Fri, Sep 5, priced at $1,442 found 2 days ago
Iberia
Mon, Sep 1 - Fri, Sep 5
SAT
San Antonio
SDR
Santander
$1,450 Roundtrip, found 2 days ago
$1,450
Roundtrip
found 2 days ago
Select Iberia flight, departing Mon, Sep 1 from San Antonio to Santander, returning Fri, Sep 5, priced at $1,450 found 2 days ago
Iberia
Mon, Sep 1 - Fri, Sep 5
SAT
San Antonio
SDR
Santander
$1,502 Roundtrip, found 2 days ago
$1,502
Roundtrip
found 2 days ago
Select Iberia flight, departing Mon, Sep 1 from San Antonio to Santander, returning Fri, Sep 5, priced at $1,502 found 2 days ago
Iberia
Mon, Sep 1 - Fri, Sep 5
SAT
San Antonio
SDR
Santander
$1,511 Roundtrip, found 2 days ago
$1,511
Roundtrip
found 2 days ago
Select Iberia flight, departing Mon, Sep 1 from San Antonio to Santander, returning Fri, Sep 5, priced at $1,511 found 2 days ago
Iberia
Mon, Sep 1 - Fri, Sep 5
SAT
San Antonio
SDR
Santander
$1,637 Roundtrip, found 2 days ago
$1,637
Roundtrip
found 2 days ago
Select Iberia flight, departing Mon, Sep 1 from San Antonio to Santander, returning Fri, Sep 5, priced at $1,637 found 2 days ago
American Airlines
Mon, Sep 1 - Fri, Sep 5
SAT
San Antonio
SDR
Santander
$1,642 Roundtrip, found 2 days ago
$1,642
Roundtrip
found 2 days ago
Select American Airlines flight, departing Mon, Sep 1 from San Antonio to Santander, returning Fri, Sep 5, priced at $1,642 found 2 days ago
Iberia
Mon, Sep 1 - Fri, Sep 5
SAT
San Antonio
SDR
Santander
$1,645 Roundtrip, found 2 days ago
$1,645
Roundtrip
found 2 days ago
Select Iberia flight, departing Mon, Sep 1 from San Antonio to Santander, returning Fri, Sep 5, priced at $1,645 found 2 days ago
American Airlines
Mon, Sep 1 - Fri, Sep 5
SAT
San Antonio
SDR
Santander
$1,648 Roundtrip, found 2 days ago
$1,648
Roundtrip
found 2 days ago
Select American Airlines flight, departing Mon, Sep 1 from San Antonio to Santander, returning Fri, Sep 5, priced at $1,648 found 2 days ago
Iberia
Mon, Sep 1 - Fri, Sep 5
SAT
San Antonio
SDR
Santander
$1,650 Roundtrip, found 2 days ago
$1,650
Roundtrip
found 2 days ago
Select Iberia flight, departing Mon, Sep 1 from San Antonio to Santander, returning Fri, Sep 5, priced at $1,650 found 2 days ago
American Airlines
Mon, Sep 1 - Fri, Sep 5
SAT
San Antonio
SDR
Santander
$1,654 Roundtrip, found 2 days ago
$1,654
Roundtrip
found 2 days ago
Select American Airlines flight, departing Mon, Sep 1 from San Antonio to Santander, returning Fri, Sep 5, priced at $1,654 found 2 days ago
Flights from San Antonio (SAT) to Santander (SDR)
Origin airport
San Antonio Intl.
Destination airport
Santander
Roundtrip price
$1,441
Distance
5063 mi

San Antonio to Santander Flights

The cheapest times to fly from San Antonio to Santander

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from San Antonio to Santander are during the month of September. You can find some of the cheapest flights from San Antonio to Santander with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from San Antonio to Santander

Sunday is one of the best days to book for cheap flights from San Antonio to Santander: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from San Antonio to Santander

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from San Antonio to Santander in 2025. You can also book with separate airlines for your outbound and return journeys, from $826 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap San Antonio to Santander flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your San Antonio to Santander airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from San Antonio Intl. Airport (SAT) to Santander Airport (SDR) cost?
Secure a cheap one-way flight from $826 or cheap return flight from $1,442 from San Antonio Intl. Airport (SAT) to Santander Airport (SDR) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight deals on this route.
What is the cheapest month to fly from San Antonio Intl. Airport (SAT) to Santander Airport (SDR)?
September is the most affordable month to fly from SAT to SDR. Traveling outside of peak seasons is often the key to finding better deals on flights.
What is the cheapest airline that flies from San Antonio Intl. Airport (SAT) to Santander Airport (SDR)?
Use the filters on Expedia to compare different airlines and find the cheapest carrier that'll fly you from SAT to SDR. Then, sort your results by "Price (lowest to highest)" to snag a good deal.
How many flights per day from San Antonio Intl. Airport (SAT) to Santander Airport (SDR)?
You'll have to hop on a flight with a layover when traveling from San Antonio Intl. Airport (SAT) to Santander Airport (SDR). There are no daily direct flights on this route. However, just filter your search to include one or more stops to find the best option for your trip.
What day of the week has the most flights from SAT to SDR?
You'll typically find Tuesday the quietest day for flights, while Fridays tend to be the busiest.* However this can change from season to season and during peak travel times or public holidays.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from San Antonio Intl. Airport (SAT) to Santander Airport (SDR)?
To avoid potential delays on the San Antonio Intl. Airport (SAT) to Santander Airport (SDR) route, fly before 3 PM. Departures after this hour are 22% more likely to be canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from San Antonio Intl. Airport (SAT) to Santander Airport (SDR) last-minute?
Waiting until just before your departure to book a ticket from SAT to SDR generally means paying more. While you might find some last-minute offers, there's no guarantee. Allow some flexibility in your schedule for the best chance of getting a bargain.
Is it cheaper to book a SAT to SDR flight and hotel package?
Compared with arranging flights and hotels separately, booking a SAT to SDR flight and hotel package with Expedia could result in significant savings. Better yet, having it all in one place will take the stress out of travel planning. Just secure your flights and choose from our extensive range of hotels, then customize your trip with extras like car rentals and activities.
Can I cancel or change the date of my flight from San Antonio Intl. Airport (SAT) to Santander Airport (SDR)?
It's usually possible to cancel or reschedule your SAT to SDR flight. However, for bookings made more than 24 hours ago, additional fees may apply. Check your airline's policies in your itinerary to see what changes are possible and if any costs are involved. You'll also find more information on our Customer Service portal.

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*Available to One Key members.