Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from Washington, D.C. Dulles Intl Airport to Asuncion from $254

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Washington, D.C. Dulles Intl Airport to Asuncion departing on 9/15. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from Washington, D.C. Dulles Intl Airport to Asuncion

Cheap round-trip flights

Logo
3:15 pm - 4:40 amIAD-ASU
36h 25m2 stops
Logo
8:10 am - 2:00 pmASU-IAD
30h 50m1 stop
$804
Find Deal
Fri, Oct 3 - Fri, Oct 10
Avianca Logo
7:15 pm - 5:15 amIAD-ASU
33h 00m2 stops
Avianca Logo
8:20 am - 12:10 amASU-IAD
17h 50m2 stops
$851Avianca
Find Deal
Thu, Oct 30 - Sat, Nov 15
Avianca Logo
5:45 am - 5:15 amIAD-ASU
21h 30m1 stop
Avianca Logo
8:20 am - 12:10 amASU-IAD
17h 50m2 stops
$859Avianca
Find Deal
Fri, Nov 7 - Sat, Nov 15
Logo
3:20 pm - 4:40 amIAD-ASU
12h 20m1 stop
Logo
1:45 am - 1:15 amASU-IAD
24h 30m2 stops
$863
Find Deal
Tue, Sep 16 - Mon, Sep 22
Copa Airlines Logo
2:25 am - 12:01 amIAD-ASU
20h 36m1 stop
Copa Airlines Logo
6:33 am - 11:33 pmASU-IAD
19h 00m1 stop
$953Copa Airlines
Find Deal
Tue, Oct 21 - Mon, Nov 3
LATAM Airlines Logo
12:27 pm - 6:10 amIAD-ASU
16h 43m2 stops
LATAM Airlines Logo
8:25 am - 11:19 pmASU-IAD
16h 54m2 stops
$965LATAM Airlines
Find Deal
Wed, Oct 22 - Mon, Nov 3
Copa Airlines Logo
9:34 am - 12:01 amIAD-ASU
13h 27m1 stop
Copa Airlines Logo
6:33 am - 3:22 amASU-IAD
22h 49m1 stop
$973Copa Airlines
Find Deal
Wed, Oct 22 - Mon, Nov 3
United Airlines Logo
6:00 am - 12:11 amIAD-ASU
16h 11m2 stops
United Airlines Logo
1:46 am - 10:12 pmASU-IAD
22h 26m2 stops
$986United Airlines
Find Deal
Fri, Nov 7 - Tue, Nov 18
United Airlines Logo
10:10 pm - 5:30 amIAD-ASU
29h 20m2 stops
United Airlines Logo
1:46 am - 10:12 pmASU-IAD
22h 26m2 stops
$998United Airlines
Find Deal
Sun, Nov 2 - Sun, Nov 16
LATAM Airlines Logo
12:27 pm - 12:05 pmIAD-ASU
22h 38m2 stops
LATAM Airlines Logo
1:20 pm - 6:39 pmASU-IAD
31h 19m2 stops
$1,007LATAM Airlines
Find Deal
Wed, Oct 22 - Sun, Nov 2

Avianca flights from Washington, D.C. Dulles Intl Airport to Asuncion

Our best Avianca deals on Washington, D.C. Dulles Intl Airport to Asuncion flight tickets
Avianca
Oct 30
IAD7:15 pmWashington, D.C. Dulles Intl
33h 00m
2 stops
ASU5:15 amAsuncion Silvio Pettirossi
Nov 15
ASU8:20 amAsuncion Silvio Pettirossi
17h 50m
2 stops
IAD12:10 amWashington, D.C. Dulles Intl
$851
Find similar
Avianca
Nov 7
IAD5:45 amWashington, D.C. Dulles Intl
21h 30m
1 stop
ASU5:15 amAsuncion Silvio Pettirossi
Nov 15
ASU8:20 amAsuncion Silvio Pettirossi
17h 50m
2 stops
IAD12:10 amWashington, D.C. Dulles Intl
$859
Find similar
Avianca
Nov 6
IAD4:30 amWashington, D.C. Dulles Intl
22h 45m
2 stops
ASU5:15 amAsuncion Silvio Pettirossi
Nov 15
ASU8:20 amAsuncion Silvio Pettirossi
17h 50m
2 stops
IAD12:10 amWashington, D.C. Dulles Intl
$861
Find similar

Copa Airlines flights from Washington, D.C. Dulles Intl Airport to Asuncion

Our best Copa Airlines deals on Washington, D.C. Dulles Intl Airport to Asuncion flight tickets
Copa Airlines
Oct 21
IAD2:25 amWashington, D.C. Dulles Intl
20h 36m
1 stop
ASU12:01 amAsuncion Silvio Pettirossi
Nov 3
ASU6:33 amAsuncion Silvio Pettirossi
19h 00m
1 stop
IAD11:33 pmWashington, D.C. Dulles Intl
$953
Find similar
Copa Airlines
Oct 22
IAD9:34 amWashington, D.C. Dulles Intl
13h 27m
1 stop
ASU12:01 amAsuncion Silvio Pettirossi
Nov 3
ASU6:33 amAsuncion Silvio Pettirossi
22h 49m
1 stop
IAD3:22 amWashington, D.C. Dulles Intl
$973
Find similar
Copa Airlines
Oct 11
IAD2:25 amWashington, D.C. Dulles Intl
20h 36m
1 stop
ASU12:01 amAsuncion Silvio Pettirossi
Oct 17
ASU6:32 amAsuncion Silvio Pettirossi
18h 58m
1 stop
IAD12:30 amWashington, D.C. Dulles Intl
$988
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Washington, D.C. Dulles Intl Airport to Asuncion that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated August 21, 2025.
Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to Asuncion that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Washington, D.C.Asuncion

IAD - ASU

IADASU

Washington, D.C. Dulles Intl

Fri 10/3

3:15 pm-4:40 am

2 stops36h 25m

Asuncion Silvio Pettirossi

Fri 10/10

8:10 am-2:00 pm

1 stop30h 50m

$804

Washington, D.C.Asuncion

IAD - ASU

IADASU

Washington, D.C. Dulles Intl

Thu 10/30

7:15 pm-5:15 am

2 stops33h 00m

Asuncion Silvio Pettirossi

Sat 11/15

8:20 am-12:10 am

2 stops17h 50m

$851

Washington, D.C.Asuncion

IAD - ASU

IADASU

Washington, D.C. Dulles Intl

Fri 11/7

5:45 am-5:15 am

1 stop21h 30m

Asuncion Silvio Pettirossi

Sat 11/15

8:20 am-12:10 am

2 stops17h 50m

$859

Washington, D.C.Asuncion

IAD - ASU

IADASU

Washington, D.C. Dulles Intl

Tue 9/16

3:20 pm-4:40 am

1 stop12h 20m

Asuncion Silvio Pettirossi

Mon 9/22

1:45 am-1:15 am

2 stops24h 30m

$863

Washington, D.C.Asuncion

IAD - ASU

IADASU

Washington, D.C. Dulles Intl

Tue 10/21

2:25 am-12:01 am

1 stop20h 36m

Asuncion Silvio Pettirossi

Mon 11/3

6:33 am-11:33 pm

1 stop19h 00m

$953

Washington, D.C.Asuncion

IAD - ASU

IADASU

Washington, D.C. Dulles Intl

Wed 10/22

12:27 pm-6:10 am

2 stops16h 43m

Asuncion Silvio Pettirossi

Mon 11/3

8:25 am-11:19 pm

2 stops16h 54m

$965

Washington, D.C.Asuncion

IAD - ASU

IADASU

Washington, D.C. Dulles Intl

Wed 10/22

9:34 am-12:01 am

1 stop13h 27m

Asuncion Silvio Pettirossi

Mon 11/3

6:33 am-3:22 am

1 stop22h 49m

$973

Washington, D.C.Asuncion

IAD - ASU

IADASU

Washington, D.C. Dulles Intl

Fri 11/7

6:00 am-12:11 am

2 stops16h 11m

Asuncion Silvio Pettirossi

Tue 11/18

1:46 am-10:12 pm

2 stops22h 26m

$986

Washington, D.C.Asuncion

IAD - ASU

IADASU

Washington, D.C. Dulles Intl

Sun 11/2

10:10 pm-5:30 am

2 stops29h 20m

Asuncion Silvio Pettirossi

Sun 11/16

1:46 am-10:12 pm

2 stops22h 26m

$998

Washington, D.C.Asuncion

IAD - ASU

IADASU

Washington, D.C. Dulles Intl

Wed 10/22

12:27 pm-12:05 pm

2 stops22h 38m

Asuncion Silvio Pettirossi

Sun 11/2

1:20 pm-6:39 pm

2 stops31h 19m

$1,007

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

See travel insights to Asuncion from

How to get the cheapest flight ticket from Washington, D.C. Dulles Intl Airport to Asuncion

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the typical price of a round-trip flight between Washington, D.C. Dulles Intl Airport and Asuncion?

What is the cheapest month to fly to Asuncion?

The cheapest month to fly to Asuncion from Washington, D.C. Dulles Intl Airport is in January. Flight prices, which tend to average around $759, are often lower during this time because this is during the off-season. If you don’t want to visit Asuncion in January, then you should wait until April to fly from Washington, D.C. Dulles Intl Airport, when ticket prices are also cheap, with an average price of $800.

What is the cheapest day to depart on your flight to Asuncion?

According to our data, Tuesday is the cheapest day to fly to Asuncion from Washington, D.C. Dulles Intl Airport. The lowest ticket price found for a Tuesday departure recently was $774. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. The most expensive day to fly to Asuncion is Sunday, with ticket prices averaging around $1,147.

What is the cheapest time of day to depart on your flight to Asuncion?

The cheapest time of day to fly to Asuncion is in the evening when flights can be purchased for as low as $635. Flights in the morning are often more expensive with an average ticket price of $951.

How far in advance should I book a flight to Asuncion?

You are more likely to see cheaper flights to Asuncion from Washington, D.C. Dulles Intl Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Asuncion for around $1,032 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Asuncion from Washington, D.C. Dulles Intl Airport for as low as $443 on momondo.

Can stopping save me money on Washington, D.C. Dulles Intl Airport to Asuncion flights?

You could potentially save up to 53% on your flight if you consider stops on a Washington, D.C. Dulles Intl Airport to Asuncion flight.

When to book flights from Washington, D.C. Dulles Intl Airport to Asuncion

Are you open to changing your travel dates? Check out the ideal times to fly from Washington, D.C. Dulles Intl Airport to Asuncion according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Washington, D.C. Dulles Intl Airport to Asuncion (IAD to ASU) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Washington, D.C. Dulles Intl Airport to Asuncion

Direct flights

None
There are no direct flights from Washington, D.C. Dulles Intl Airport to Asuncion. There are no popular flight routes from Washington, D.C. Dulles Intl Airport to Asuncion.
Search flight deals

  • How far is Washington, D.C. Dulles Intl to Asuncion Silvio Pettirossi by plane?

    Asuncion Silvio Pettirossi is 4615.9 mi away from Washington, D.C. Dulles Intl. In terms of flight time, this usually takes a little over 12h 20m.

  • When did momondo last update prices for flights from Washington, D.C. Dulles Intl Airport to Asuncion Silvio Pettirossi Airport?

    Prices for flights from Washington, D.C. Dulles Intl Airport to Asuncion Silvio Pettirossi Airport refresh daily.

  • How many operators does momondo search for flights from Washington, D.C. Dulles Intl Airport to Asuncion Silvio Pettirossi Airport?

  • How old do you have to be to fly from Washington, D.C. Dulles Intl Airport to Asuncion Silvio Pettirossi Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Washington, D.C. Dulles Intl Airport to Asuncion Silvio Pettirossi Airport.

  • What documentation or ID do you need to fly to Asuncion Silvio Pettirossi Airport?

    The travel and health documents required for your trip to Asuncion Silvio Pettirossi Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Asuncion Silvio Pettirossi Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • What is the most popular airline from Washington, D.C. Dulles Intl Airport to Asuncion?

Best airlines flying from Washington, D.C. Dulles Intl Airport to Asuncion

Compare and see reviews for airlines that fly from Washington, D.C. Dulles Intl Airport to Asuncion with momondo
Airline
Rating
Free Cancellation
Price
AviancaPriceFrom $263Free CancellationRating
6.7
2,411 reviews
Search Avianca flights
Copa AirlinesPriceFrom $599Free CancellationRating
7.5
1,511 reviews
Search Copa Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from Washington, D.C. to Asuncion?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Asuncion from Washington, D.C..

Can I find flights from Washington, D.C. to Asuncion with flexible booking policies on momondo?

Flights from Washington, D.C. to Asuncion with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Washington, D.C. to Asuncion?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Asuncion from Washington, D.C..

I’m not ready to book a flight from Washington, D.C. to Asuncion right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Washington, D.C. to Asuncion flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

An easier way to manage your Asuncion trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Tue 8/26
Tue 9/2
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Paraguay

Airports servicing Paraguay

Ciudad del Este Guarani Intl Airport