$371 Cheap Flights from Baltimore (BWI) to Asuncion (ASU)

View $371 flight on Mon, Mar 9, 2026Opens in a new window

Popular airlines from Baltimore Washington Intl. Airport (BWI) to Asuncion (ASU-Silvio Pettirossi Intl.)

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Cheap Flights from Baltimore to Asuncion (BWI-ASU)

Prices were available within the past 7 days and start at $371 for one-way flights and $745 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Mon, Oct 27 - Thu, Nov 6
BWI
Baltimore
ASU
Asuncion
$745 Roundtrip, found 2 hours ago
$745
Roundtrip
found 2 hours ago
Select United flight, departing Mon, Oct 27 from Baltimore to Asuncion, returning Thu, Nov 6, priced at $745 found 2 hours ago
United
Mon, Oct 27 - Thu, Nov 6
BWI
Baltimore
ASU
Asuncion
$770 Roundtrip, found 2 hours ago
$770
Roundtrip
found 2 hours ago
Select United flight, departing Mon, Oct 27 from Baltimore to Asuncion, returning Thu, Nov 6, priced at $770 found 2 hours ago
United
Mon, Mar 9 - Mon, Mar 23
BWI
Baltimore
ASU
Asuncion
$929 Roundtrip, just found
$929
Roundtrip
just found
Select United flight, departing Mon, Mar 9 from Baltimore to Asuncion, returning Mon, Mar 23, priced at $929 just found
United
Mon, Oct 27 - Thu, Nov 6
BWI
Baltimore
ASU
Asuncion
$930 Roundtrip, found 2 hours ago
$930
Roundtrip
found 2 hours ago
Select United flight, departing Mon, Oct 27 from Baltimore to Asuncion, returning Thu, Nov 6, priced at $930 found 2 hours ago
United
Tue, Sep 9 - Wed, Sep 10
BWI
Baltimore
ASU
Asuncion
$948 Roundtrip, found 3 days ago
$948
Roundtrip
found 3 days ago
Select United flight, departing Tue, Sep 9 from Baltimore to Asuncion, returning Wed, Sep 10, priced at $948 found 3 days ago
United
Mon, Oct 27 - Thu, Nov 6
BWI
Baltimore
ASU
Asuncion
$954 Roundtrip, found 2 hours ago
$954
Roundtrip
found 2 hours ago
Select United flight, departing Mon, Oct 27 from Baltimore to Asuncion, returning Thu, Nov 6, priced at $954 found 2 hours ago
United
Mon, May 4 - Mon, May 11
BWI
Baltimore
ASU
Asuncion
$954 Roundtrip, found 1 day ago
$954
Roundtrip
found 1 day ago
Select United flight, departing Mon, May 4 from Baltimore to Asuncion, returning Mon, May 11, priced at $954 found 1 day ago
Copa
Sun, Oct 19 - Sat, Nov 1
BWI
Baltimore
ASU
Asuncion
$985 Roundtrip, found 1 hour ago
$985
Roundtrip
found 1 hour ago
Select Copa flight, departing Sun, Oct 19 from Baltimore to Asuncion, returning Sat, Nov 1, priced at $985 found 1 hour ago
American Airlines
Mon, Feb 2 - Thu, Feb 12
BWI
Baltimore
ASU
Asuncion
$1,114 Roundtrip, found 1 day ago
$1,114
Roundtrip
found 1 day ago
Select American Airlines flight, departing Mon, Feb 2 from Baltimore to Asuncion, returning Thu, Feb 12, priced at $1,114 found 1 day ago
LATAM Airlines Group
Mon, Jan 12 - Fri, Jan 30
BWI
Baltimore
ASU
Asuncion
$1,199 Roundtrip, just found
$1,199
Roundtrip
just found
Select LATAM Airlines Group flight, departing Mon, Jan 12 from Baltimore to Asuncion, returning Fri, Jan 30, priced at $1,199 just found

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 $1,696
ASU
Silvio Pettirossi Intl.
CheapestClosest
Average driving time to city center21 min
Flights from $1,696
Flights from Baltimore (BWI) to Asuncion (ASU)
Origin airport
Baltimore Washington Intl. Thurgood Marshall
Destination airport
Silvio Pettirossi Intl.
Airlines serving
Copa, LATAM Airlines Group, United
Roundtrip price
$744
Distance
4619 mi

Baltimore to Asuncion Flights

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

 

The best time to book a flight from Baltimore to Asuncion

Sunday is one of the best days to book for cheap flights from Baltimore 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 Baltimore 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 Baltimore 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 Baltimore 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 Baltimore 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 Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to Silvio Pettirossi Intl. Airport (ASU) cost?
Discover the latest flight deals from BWI 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 BWI to ASU?
The cheapest flights from BWI 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 BWI to ASU?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that'll take you from BWI to ASU. Sort your results by "Price (lowest to highest)" to snap up a great deal.
How many flights per day from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to Silvio Pettirossi Intl. Airport (ASU)?
You'll have to catch a flight with a layover when traveling from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to Silvio Pettirossi Intl. Airport (ASU). There are no daily direct flights on this route. However, simply filter your search to include one or more stops to discover the best option for your trip.
What day of the week has the most flights from BWI to ASU?
You'll generally find Tuesday the quietest day for flights, while Fridays are often the busiest.* However this can change 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 Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to Silvio Pettirossi Intl. Airport (ASU)?
To land at Silvio Pettirossi Intl. Airport (ASU) without delays, pick a flight that takes off from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) before 3 PM. The chance 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 Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to Silvio Pettirossi Intl. Airport (ASU) last-minute?
Booking your ticket from BWI to ASU shortly before your journey is usually more expensive. But if there's some wiggle room with your travel times and dates, you could score a cheap last-minute fare.
Is it cheaper to book a BWI to ASU flight and hotel package?
Compared with arranging hotels and flights separately, booking a BWI to ASU flight and hotel package with Expedia could result in significant savings. What's more, having everything in one convenient place will take the hassle out of planning your trip. Just pick your flights and select from our extensive range of stays, then tailor your trip with other add-ons like car rentals and activities.
Can I cancel or change the date of my flight from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to Silvio Pettirossi Intl. Airport (ASU)?
Typically, you can cancel or reschedule your BWI to ASU flight. However, additional charges may apply, especially if you made your booking over 24 hours ago. Check your itinerary for the airline's guidelines and fees on flight changes, or if you want more information, visit our Customer Service portal.

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*Available to One Key members.