$371 Cheap Flights from Washington (DCA) to Asuncion (ASU)

View $371 flight on Tue, Aug 26, 2025Opens in a new window

Popular airlines from Ronald Reagan Washington National Airport (DCA) to Asuncion (ASU-Silvio Pettirossi Intl.)

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Cheap Flights from Washington to Asuncion (DCA-ASU)

Prices were available within the past 7 days and start at $371 for one-way flights and $920 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Air Canada
Sun, Nov 2 - Sat, Nov 15
DCA
Washington
ASU
Asuncion
$920 Roundtrip, found 13 hours ago
$920
Roundtrip
found 13 hours ago
Select Air Canada flight, departing Sun, Nov 2 from Washington to Asuncion, returning Sat, Nov 15, priced at $920 found 13 hours ago
Air Canada
Sun, Nov 2 - Sun, Nov 9
DCA
Washington
ASU
Asuncion
$936 Roundtrip, found 1 day ago
$936
Roundtrip
found 1 day ago
Select Air Canada flight, departing Sun, Nov 2 from Washington to Asuncion, returning Sun, Nov 9, priced at $936 found 1 day ago
Air Canada
Wed, Oct 29 - Wed, Nov 12
DCA
Washington
ASU
Asuncion
$942 Roundtrip, found 4 days ago
$942
Roundtrip
found 4 days ago
Select Air Canada flight, departing Wed, Oct 29 from Washington to Asuncion, returning Wed, Nov 12, priced at $942 found 4 days ago
Air Canada
Tue, Oct 28 - Sat, Nov 8
DCA
Washington
ASU
Asuncion
$973 Roundtrip, found 4 days ago
$973
Roundtrip
found 4 days ago
Select Air Canada flight, departing Tue, Oct 28 from Washington to Asuncion, returning Sat, Nov 8, priced at $973 found 4 days ago
United
Tue, Oct 28 - Sat, Nov 8
DCA
Washington
ASU
Asuncion
$985 Roundtrip, found 4 days ago
$985
Roundtrip
found 4 days ago
Select United flight, departing Tue, Oct 28 from Washington to Asuncion, returning Sat, Nov 8, priced at $985 found 4 days ago
Air Canada
Sun, Nov 2 - Sun, Nov 9
DCA
Washington
ASU
Asuncion
$986 Roundtrip, found 1 day ago
$986
Roundtrip
found 1 day ago
Select Air Canada flight, departing Sun, Nov 2 from Washington to Asuncion, returning Sun, Nov 9, priced at $986 found 1 day ago
United
Tue, Oct 28 - Sat, Nov 8
DCA
Washington
ASU
Asuncion
$996 Roundtrip, found 4 days ago
$996
Roundtrip
found 4 days ago
Select United flight, departing Tue, Oct 28 from Washington to Asuncion, returning Sat, Nov 8, priced at $996 found 4 days ago
American Airlines
Mon, Aug 25 - Sat, Aug 30
DCA
Washington
ASU
Asuncion
$1,104 Roundtrip, found 18 hours ago
$1,104
Roundtrip
found 18 hours ago
Select American Airlines flight, departing Mon, Aug 25 from Washington to Asuncion, returning Sat, Aug 30, priced at $1,104 found 18 hours ago
Delta
Tue, Jan 20 - Fri, Feb 6
DCA
Washington
ASU
Asuncion
$1,116 Roundtrip, found 2 days ago
$1,116
Roundtrip
found 2 days ago
Select Delta flight, departing Tue, Jan 20 from Washington to Asuncion, returning Fri, Feb 6, priced at $1,116 found 2 days ago
LATAM Airlines Group
Sat, Sep 13 - Sat, Sep 27
DCA
Washington
ASU
Asuncion
$1,164 Roundtrip, found 9 hours ago
$1,164
Roundtrip
found 9 hours ago
Select LATAM Airlines Group flight, departing Sat, Sep 13 from Washington to Asuncion, returning Sat, Sep 27, priced at $1,164 found 9 hours ago

Alternative airports near Asunción

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Silvio Pettirossi Intl. ASU. Cheapest and Closest option available. Average driving time to city center is 21 minutes. Flights from $1,757
ASU
Silvio Pettirossi Intl.
CheapestClosest
Average driving time to city center21 min
Flights from $1,757
Flights from Washington (DCA) to Asuncion (ASU)
Origin airport
Ronald Reagan Washington National
Destination airport
Silvio Pettirossi Intl.
Airlines serving
GOL Linhas Aereas S.A., LATAM Airlines Group, United
Roundtrip price
$919
Distance
4604 mi

Washington to Asuncion Flights

The cheapest times to fly from Washington to Asuncion

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

 

The best time to book a flight from Washington to Asuncion

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

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 Washington to Asuncion in 2025. You can also book with separate airlines for your outbound and return journeys, from $371 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 Washington to Asuncion 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 Washington to Asuncion 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 Ronald Reagan Washington National Airport (DCA) to Silvio Pettirossi Intl. Airport (ASU) cost?
Discover the latest flight deals from DCA to ASU by entering your preferred travel dates and searching on Expedia. Easily compare prices by departure date if you have flexibility with your schedule and use handy filters to explore prices for your preferred journey. As a member of One Key™, our free loyalty program, you can use Price Tracking to watch fares and receive notifications if prices go up or down.
What is the cheapest month to fly from DCA to ASU?
The cheapest flights from DCA to ASU are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
What is the cheapest airline that flies from DCA to ASU?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that'll take you from DCA to ASU. Sort your results by "Price (lowest to highest)" to snap up a great deal.
How many flights per day from Ronald Reagan Washington National Airport (DCA) to Silvio Pettirossi Intl. Airport (ASU)?
You'll have to take a flight with a layover if you're traveling from Ronald Reagan Washington National Airport (DCA) to Silvio Pettirossi Intl. Airport (ASU). Direct flights don't operate daily on this route. However, simply filter your search to include one or two stops to discover an option that works for you.
What day of the week has the most flights from DCA to ASU?
You'll typically find Tuesday the quietest day for flights, while Fridays are often 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 Ronald Reagan Washington National Airport (DCA) to Silvio Pettirossi Intl. Airport (ASU)?
To avoid potential delays on the Ronald Reagan Washington National Airport (DCA) to Silvio Pettirossi Intl. Airport (ASU) route, aim to travel 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 Ronald Reagan Washington National Airport (DCA) to Silvio Pettirossi Intl. Airport (ASU) last-minute?
Waiting until just before your departure to book a flight from DCA to ASU often results in higher prices. While you may find some last-minute discounts, they're not always guaranteed. Allow some flexibility in your schedule for a better chance of getting a bargain.
Is it cheaper to book a DCA to ASU flight and hotel package?
You can save money by securing a DCA to ASU flight and hotel package compared to booking separately. In fact, you could save hundreds of dollars by bundling with Expedia. And it's simple to manage it all in one place. After selecting your preferred accommodations and flights, you can add extras like activities, car rentals and tours.
Can I cancel or change the date of my flight from Ronald Reagan Washington National Airport (DCA) to Silvio Pettirossi Intl. Airport (ASU)?
If you booked your DCA to ASU flight within the last 24 hours, you may be able to modify or cancel it at no cost. Depending on the airline and the type of ticket you purchased, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, visit our Customer Service portal if you want more information.

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*Available to One Key members.