$939 Cheap Flights from Asuncion (ASU) to Santander (SDR)

View $939 flight on Tue, Mar 24, 2026Opens in a new window

Popular airlines from Asuncion (ASU-Silvio Pettirossi Intl.) to Santander (SDR)

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Cheap Flights from Asuncion to Santander (ASU-SDR)

Prices were available within the past 7 days and start at $939 for one-way flights and $1,015 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

LATAM Airlines Group
Tue, Mar 24 - Tue, Apr 7
ASU
Asuncion
SDR
Santander
$1,015 Roundtrip, found 23 hours ago
$1,015
Roundtrip
found 23 hours ago
Select LATAM Airlines Group flight, departing Tue, Mar 24 from Asuncion to Santander, returning Tue, Apr 7, priced at $1,015 found 23 hours ago
LATAM Airlines Group
Tue, Mar 24 - Tue, Apr 7
ASU
Asuncion
SDR
Santander
$1,025 Roundtrip, found 23 hours ago
$1,025
Roundtrip
found 23 hours ago
Select LATAM Airlines Group flight, departing Tue, Mar 24 from Asuncion to Santander, returning Tue, Apr 7, priced at $1,025 found 23 hours ago
LATAM Airlines Group
Tue, Mar 24 - Tue, Apr 7
ASU
Asuncion
SDR
Santander
$1,057 Roundtrip, found 23 hours ago
$1,057
Roundtrip
found 23 hours ago
Select LATAM Airlines Group flight, departing Tue, Mar 24 from Asuncion to Santander, returning Tue, Apr 7, priced at $1,057 found 23 hours ago
LATAM Airlines Group
Tue, Mar 24 - Tue, Apr 7
ASU
Asuncion
SDR
Santander
$1,068 Roundtrip, found 23 hours ago
$1,068
Roundtrip
found 23 hours ago
Select LATAM Airlines Group flight, departing Tue, Mar 24 from Asuncion to Santander, returning Tue, Apr 7, priced at $1,068 found 23 hours ago
LATAM Airlines Group
Tue, Mar 24 - Tue, Apr 7
ASU
Asuncion
SDR
Santander
$1,105 Roundtrip, found 23 hours ago
$1,105
Roundtrip
found 23 hours ago
Select LATAM Airlines Group flight, departing Tue, Mar 24 from Asuncion to Santander, returning Tue, Apr 7, priced at $1,105 found 23 hours ago
LATAM Airlines Group
Tue, Mar 24 - Tue, Apr 7
ASU
Asuncion
SDR
Santander
$1,114 Roundtrip, found 23 hours ago
$1,114
Roundtrip
found 23 hours ago
Select LATAM Airlines Group flight, departing Tue, Mar 24 from Asuncion to Santander, returning Tue, Apr 7, priced at $1,114 found 23 hours ago
LATAM Airlines Group
Tue, Mar 24 - Tue, Apr 7
ASU
Asuncion
SDR
Santander
$1,115 Roundtrip, found 23 hours ago
$1,115
Roundtrip
found 23 hours ago
Select LATAM Airlines Group flight, departing Tue, Mar 24 from Asuncion to Santander, returning Tue, Apr 7, priced at $1,115 found 23 hours ago
LATAM Airlines Group
Tue, Mar 24 - Tue, Apr 7
ASU
Asuncion
SDR
Santander
$1,124 Roundtrip, found 23 hours ago
$1,124
Roundtrip
found 23 hours ago
Select LATAM Airlines Group flight, departing Tue, Mar 24 from Asuncion to Santander, returning Tue, Apr 7, priced at $1,124 found 23 hours ago
LATAM Airlines Group
Tue, Mar 24 - Tue, Apr 7
ASU
Asuncion
SDR
Santander
$1,168 Roundtrip, found 23 hours ago
$1,168
Roundtrip
found 23 hours ago
Select LATAM Airlines Group flight, departing Tue, Mar 24 from Asuncion to Santander, returning Tue, Apr 7, priced at $1,168 found 23 hours ago
LATAM Airlines Group
Tue, Mar 24 - Tue, Apr 7
ASU
Asuncion
SDR
Santander
$1,173 Roundtrip, found 23 hours ago
$1,173
Roundtrip
found 23 hours ago
Select LATAM Airlines Group flight, departing Tue, Mar 24 from Asuncion to Santander, returning Tue, Apr 7, priced at $1,173 found 23 hours ago
LATAM Airlines Group
Tue, Mar 24 - Tue, Apr 7
ASU
Asuncion
SDR
Santander
$1,178 Roundtrip, found 23 hours ago
$1,178
Roundtrip
found 23 hours ago
Select LATAM Airlines Group flight, departing Tue, Mar 24 from Asuncion to Santander, returning Tue, Apr 7, priced at $1,178 found 23 hours ago
LATAM Airlines Group
Tue, Mar 24 - Tue, Apr 7
ASU
Asuncion
SDR
Santander
$1,183 Roundtrip, found 23 hours ago
$1,183
Roundtrip
found 23 hours ago
Select LATAM Airlines Group flight, departing Tue, Mar 24 from Asuncion to Santander, returning Tue, Apr 7, priced at $1,183 found 23 hours ago
Flights from Asuncion (ASU) to Santander (SDR)
Origin airport
Silvio Pettirossi Intl.
Destination airport
Santander
Airlines serving
LATAM Airlines Group
Roundtrip price
$1,014
Distance
5837 mi

Asuncion to Santander Flights

The cheapest times to fly from Asuncion 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 Asuncion to Santander are during the month of March. You can find some of the cheapest flights from Asuncion to Santander with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Asuncion to Santander

Sunday is one of the best days to book for cheap flights from Asuncion 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 Asuncion 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 Asuncion to Santander in 2025. You can also book with separate airlines for your outbound and return journeys, from $939 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 Asuncion 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 Asuncion 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 Silvio Pettirossi Intl. Airport (ASU) to Santander Airport (SDR) cost?
Snag a cheap one-way flight from $939 or cheap return flight from $1,015 from Silvio Pettirossi Intl. Airport (ASU) to Santander Airport (SDR) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight deals on this route.
What is the cheapest month to fly from Silvio Pettirossi Intl. Airport (ASU) to Santander Airport (SDR)?
The cheapest month to fly from ASU to SDR is March, when demand is low. Off-peak months are usually when you'll find cheap fares for travel between these airports.
What is the cheapest airline that flies from Silvio Pettirossi Intl. Airport (ASU) to Santander Airport (SDR)?
Use the filters on Expedia to compare different airlines and find the cheapest carrier that'll fly you from ASU to SDR. Then, sort your results by "Price (lowest to highest)" to snag the best deal available.
How many flights per day from Silvio Pettirossi Intl. Airport (ASU) to Santander Airport (SDR)?
Nonstop flights from Silvio Pettirossi Intl. Airport (ASU) to Santander Airport (SDR) aren't available daily, so you'll need to take a flight with a layover. Explore your options with Expedia's filters. Enter your travel details and select either "1 Stop" or "2+ Stops."
What day of the week has the most flights from ASU to SDR?
You'll generally find Tuesday the quietest day for flights, while Fridays are often the busiest.* However this can vary from season to season and during public holidays or peak travel times.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Silvio Pettirossi Intl. Airport (ASU) to Santander Airport (SDR)?
To land at Santander Airport (SDR) on time, select a flight that leaves Silvio Pettirossi Intl. Airport (ASU) before 3 PM. The likelihood of cancellations is 22% higher, on average, for departures after this hour.**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 Silvio Pettirossi Intl. Airport (ASU) to Santander Airport (SDR) last-minute?
Booking your flight from ASU to SDR shortly before your getaway is generally more expensive. However, if there's some wiggle room with your departure times and dates, you could snag a cheap last-minute fare.
Is it cheaper to book an ASU to SDR flight and hotel package?
You can save money by securing an ASU to SDR flight and hotel package compared to booking separately. In fact, travelers could save hundreds of dollars by bundling with Expedia. And it's simple to manage everything in one place. Once you've chosen your ideal flights and accommodations, consider adding extras like car rentals, activities and tours.
Can I cancel or change the date of my flight from Silvio Pettirossi Intl. Airport (ASU) to Santander Airport (SDR)?
In most cases, you can cancel or reschedule your ASU to SDR flight. However, there may be additional charges, especially if your booking was made over 24 hours ago. Check your itinerary for the airline's rules and fees on flight changes, or if you'd like further details, go to our Customer Service portal.

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*Available to One Key members.