$192 Cheap Flights from Asuncion (ASU) to Sao Luis (SLZ)

View $192 flight on Mon, Mar 2, 2026Opens in a new window

Popular airlines from Asuncion (ASU-Silvio Pettirossi Intl.) to Sao Luis (SLZ-Marechal Cunha Machado Intl.)

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Cheap Flights from Asuncion to Sao Luis (ASU-SLZ)

Prices were available within the past 7 days and start at $192 for one-way flights and $357 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

LATAM Airlines Group
Mon, Mar 2 - Mon, Mar 9
ASU
Asuncion
SLZ
São Luís
$357 Roundtrip, found 2 days ago
$357
Roundtrip
found 2 days ago
Select LATAM Airlines Group flight, departing Mon, Mar 2 from Asuncion to São Luís, returning Mon, Mar 9, priced at $357 found 2 days ago
LATAM Airlines Group
Mon, Jun 8 - Sat, Jun 20
ASU
Asuncion
SLZ
São Luís
$362 Roundtrip, found 5 days ago
$362
Roundtrip
found 5 days ago
Select LATAM Airlines Group flight, departing Mon, Jun 8 from Asuncion to São Luís, returning Sat, Jun 20, priced at $362 found 5 days ago
GOL Linhas Aereas S.A.
Thu, Feb 19 - Fri, Feb 27
ASU
Asuncion
SLZ
São Luís
$366 Roundtrip, found 2 days ago
$366
Roundtrip
found 2 days ago
Select GOL Linhas Aereas S.A. flight, departing Thu, Feb 19 from Asuncion to São Luís, returning Fri, Feb 27, priced at $366 found 2 days ago
GOL Linhas Aereas S.A.
Thu, Feb 19 - Fri, Feb 27
ASU
Asuncion
SLZ
São Luís
$367 Roundtrip, found 2 days ago
$367
Roundtrip
found 2 days ago
Select GOL Linhas Aereas S.A. flight, departing Thu, Feb 19 from Asuncion to São Luís, returning Fri, Feb 27, priced at $367 found 2 days ago
LATAM Airlines Group
Mon, Jun 8 - Sat, Jun 20
ASU
Asuncion
SLZ
São Luís
$370 Roundtrip, found 5 days ago
$370
Roundtrip
found 5 days ago
Select LATAM Airlines Group flight, departing Mon, Jun 8 from Asuncion to São Luís, returning Sat, Jun 20, priced at $370 found 5 days ago
LATAM Airlines Group
Mon, Jun 8 - Sat, Jun 20
ASU
Asuncion
SLZ
São Luís
$375 Roundtrip, found 5 days ago
$375
Roundtrip
found 5 days ago
Select LATAM Airlines Group flight, departing Mon, Jun 8 from Asuncion to São Luís, returning Sat, Jun 20, priced at $375 found 5 days ago
GOL Linhas Aereas S.A.
Thu, Feb 19 - Fri, Feb 27
ASU
Asuncion
SLZ
São Luís
$376 Roundtrip, found 2 days ago
$376
Roundtrip
found 2 days ago
Select GOL Linhas Aereas S.A. flight, departing Thu, Feb 19 from Asuncion to São Luís, returning Fri, Feb 27, priced at $376 found 2 days ago
LATAM Airlines Group
Mon, Mar 2 - Mon, Mar 9
ASU
Asuncion
SLZ
São Luís
$377 Roundtrip, found 2 days ago
$377
Roundtrip
found 2 days ago
Select LATAM Airlines Group flight, departing Mon, Mar 2 from Asuncion to São Luís, returning Mon, Mar 9, priced at $377 found 2 days ago
LATAM Airlines Group
Thu, Feb 19 - Fri, Feb 27
ASU
Asuncion
SLZ
São Luís
$379 Roundtrip, found 2 days ago
$379
Roundtrip
found 2 days ago
Select LATAM Airlines Group flight, departing Thu, Feb 19 from Asuncion to São Luís, returning Fri, Feb 27, priced at $379 found 2 days ago
GOL Linhas Aereas S.A.
Thu, Feb 19 - Fri, Feb 27
ASU
Asuncion
SLZ
São Luís
$381 Roundtrip, found 2 days ago
$381
Roundtrip
found 2 days ago
Select GOL Linhas Aereas S.A. flight, departing Thu, Feb 19 from Asuncion to São Luís, returning Fri, Feb 27, priced at $381 found 2 days ago
Flights from Asuncion (ASU) to Sao Luis (SLZ)
Origin airport
Silvio Pettirossi Intl.
Destination airport
Marechal Cunha Machado Intl.
Roundtrip price
$357
Distance
1797 mi

Asuncion to Sao Luis Flights

The cheapest times to fly from Asuncion to Sao Luis

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

 

The best time to book a flight from Asuncion to Sao Luis

Sunday is one of the best days to book for cheap flights from Asuncion to Sao Luis: 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 Sao Luis

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 Sao Luis in 2025. You can also book with separate airlines for your outbound and return journeys, from $192 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 Sao Luis 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 Sao Luis 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 Marechal Cunha Machado Intl. Airport (SLZ) cost?
Secure a cheap one-way flight from $192 or cheap return flight from $357 from Silvio Pettirossi Intl. Airport (ASU) to Marechal Cunha Machado Intl. Airport (SLZ) 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 Marechal Cunha Machado Intl. Airport (SLZ)?
March is the least expensive month to fly from ASU to SLZ. Avoiding peak travel times is often the key to finding a great deal.
What is the cheapest airline that flies from Silvio Pettirossi Intl. Airport (ASU) to Marechal Cunha Machado Intl. Airport (SLZ)?
Expedia's filter tool lets you easily compare airlines, flight times and fares all in one place. Choose your preferences, then sort by "Price (lowest to highest)" to find the carrier with the cheapest ASU to SLZ flight.
How many flights per day from Silvio Pettirossi Intl. Airport (ASU) to Marechal Cunha Machado Intl. Airport (SLZ)?
You'll have to take a flight with a layover if you're traveling from Silvio Pettirossi Intl. Airport (ASU) to Marechal Cunha Machado Intl. Airport (SLZ). There are no daily direct flights on this route. However, just filter your search to include one or more stops to discover an option that works for you.
What day of the week has the most flights from ASU to SLZ?
Friday is generally the busiest day for flights, while Tuesday tends to be the quietest.* Remember that flight schedules can vary depending on a number of factors, such as the season and airline.*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 Marechal Cunha Machado Intl. Airport (SLZ)?
To avoid possible delays on the Silvio Pettirossi Intl. Airport (ASU) to Marechal Cunha Machado Intl. Airport (SLZ) route, aim to fly before 3 PM. Departures after this hour have a 22% higher chance of cancellation.**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 Marechal Cunha Machado Intl. Airport (SLZ) last-minute?
Last-minute bookings from ASU to SLZ are typically more expensive. For the best rates, start looking for flights well in advance. That said, if you can play around with your travel dates, it's possible to score a cheap fare right before your journey.
Is it cheaper to book an ASU to SLZ flight and hotel package?
You'll generally save money by booking an ASU to SLZ 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 it all in one convenient place. After selecting your ideal accommodations and flights, consider adding extras such as car rentals, activities and tours.
Can I cancel or change the date of my flight from Silvio Pettirossi Intl. Airport (ASU) to Marechal Cunha Machado Intl. Airport (SLZ)?
Typically, you can cancel or reschedule your ASU to SLZ flight. However, there may be additional charges, especially if you made your booking over 24 hours ago. Double-check your itinerary for the airline's fees and policies on flight changes, or if you want more details, visit our Customer Service portal.

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*Available to One Key members.