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Cheap flights from Washington, D.C. Dulles Intl Airport to Asuncion from $440

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 2/3. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Washington, D.C. Dulles Intl Airport to Asuncion

Cheap round-trip flights

Enter your travel dates to find the best prices.
Avianca Logo
6:45 am - 5:15 am
IAD
-
ASU
21h 30m1 stop
Avianca Logo
8:20 am - 5:25 am
ASU
-
IAD
22h 05m1 stop
$783Avianca
Mon, Mar 9 - Thu, Mar 12
Avianca Logo
3:35 pm - 5:15 am
IAD
-
ASU
12h 40m1 stop
Avianca Logo
8:20 am - 2:40 am
ASU
-
IAD
19h 20m2 stops
$785Avianca
Mon, Mar 9 - Thu, Mar 12
Copa Airlines Logo
2:18 am - 12:15 am
IAD
-
ASU
20h 57m1 stop
Copa Airlines Logo
6:42 am - 12:32 am
ASU
-
IAD
18h 50m1 stop
$786Copa Airlines
Mon, Mar 9 - Mon, Mar 16
Copa Airlines Logo
4:35 pm - 5:32 am
IAD
-
ASU
11h 57m1 stop
Copa Airlines Logo
6:42 am - 12:32 am
ASU
-
IAD
18h 50m1 stop
$806Copa Airlines
Thu, Mar 19 - Sun, Mar 22
Avianca Logo
5:30 am - 5:15 am
IAD
-
ASU
22h 45m2 stops
Avianca Logo
8:20 am - 4:10 am
ASU
-
IAD
20h 50m2 stops
$809Avianca
Mon, Mar 9 - Thu, Mar 12
Copa Airlines Logo
2:18 am - 12:15 am
IAD
-
ASU
20h 57m1 stop
Copa Airlines Logo
6:42 am - 4:15 am
ASU
-
IAD
22h 33m1 stop
$850Copa Airlines
Mon, Mar 9 - Mon, Mar 16
Avianca Logo
7:15 pm - 5:15 am
IAD
-
ASU
33h 00m2 stops
Avianca Logo
8:20 am - 2:15 pm
ASU
-
IAD
30h 55m1 stop
$852Avianca
Tue, Mar 10 - Thu, Mar 12
Copa Airlines Logo
8:29 am - 5:32 am
IAD
-
ASU
19h 03m1 stop
Copa Airlines Logo
6:42 am - 4:15 am
ASU
-
IAD
22h 33m1 stop
$858Copa Airlines
Fri, Feb 20 - Sat, Mar 21
Avianca Logo
7:15 pm - 5:15 am
IAD
-
ASU
33h 00m2 stops
Avianca Logo
8:20 am - 4:10 am
ASU
-
IAD
20h 50m2 stops
$863Avianca
Tue, Mar 10 - Thu, Mar 12
Copa Airlines Logo
2:18 am - 12:15 am
IAD
-
ASU
20h 57m1 stop
Copa Airlines Logo
6:42 am - 12:32 am
ASU
-
IAD
18h 50m1 stop
$870Copa Airlines
Wed, Mar 18 - Sun, Mar 22

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
Mar 9
IAD2:18 amWashington, D.C. Dulles Intl
20h 57m
1 stop
ASU12:15 amAsuncion Silvio Pettirossi
Mar 16
ASU6:42 amAsuncion Silvio Pettirossi
18h 50m
1 stop
IAD12:32 amWashington, D.C. Dulles Intl
$786
Find similar
Copa Airlines
Mar 19
IAD4:35 pmWashington, D.C. Dulles Intl
11h 57m
1 stop
ASU5:32 amAsuncion Silvio Pettirossi
Mar 22
ASU6:42 amAsuncion Silvio Pettirossi
18h 50m
1 stop
IAD12:32 amWashington, D.C. Dulles Intl
$806
Find similar
Copa Airlines
Mar 9
IAD2:18 amWashington, D.C. Dulles Intl
20h 57m
1 stop
ASU12:15 amAsuncion Silvio Pettirossi
Mar 16
ASU6:42 amAsuncion Silvio Pettirossi
22h 33m
1 stop
IAD4:15 amWashington, D.C. Dulles Intl
$850
Find similar

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
Mar 9
IAD6:45 amWashington, D.C. Dulles Intl
21h 30m
1 stop
ASU5:15 amAsuncion Silvio Pettirossi
Mar 12
ASU8:20 amAsuncion Silvio Pettirossi
22h 05m
1 stop
IAD5:25 amWashington, D.C. Dulles Intl
$783
Find similar
Avianca
Mar 9
IAD3:35 pmWashington, D.C. Dulles Intl
12h 40m
1 stop
ASU5:15 amAsuncion Silvio Pettirossi
Mar 12
ASU8:20 amAsuncion Silvio Pettirossi
19h 20m
2 stops
IAD2:40 amWashington, D.C. Dulles Intl
$785
Find similar
Avianca
Mar 9
IAD5:30 amWashington, D.C. Dulles Intl
22h 45m
2 stops
ASU5:15 amAsuncion Silvio Pettirossi
Mar 12
ASU8:20 amAsuncion Silvio Pettirossi
20h 50m
2 stops
IAD4:10 amWashington, D.C. Dulles Intl
$809
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 December 11, 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

Mon 3/9

6:45 am-5:15 am

1 stop21h 30m

Asuncion Silvio Pettirossi

Thu 3/12

8:20 am-5:25 am

1 stop22h 05m

$783

Washington, D.C.Asuncion

IAD - ASU

IADASU

Washington, D.C. Dulles Intl

Mon 3/9

3:35 pm-5:15 am

1 stop12h 40m

Asuncion Silvio Pettirossi

Thu 3/12

8:20 am-2:40 am

2 stops19h 20m

$785

Washington, D.C.Asuncion

IAD - ASU

IADASU

Washington, D.C. Dulles Intl

Mon 3/9

2:18 am-12:15 am

1 stop20h 57m

Asuncion Silvio Pettirossi

Mon 3/16

6:42 am-12:32 am

1 stop18h 50m

$786

Washington, D.C.Asuncion

IAD - ASU

IADASU

Washington, D.C. Dulles Intl

Thu 3/19

4:35 pm-5:32 am

1 stop11h 57m

Asuncion Silvio Pettirossi

Sun 3/22

6:42 am-12:32 am

1 stop18h 50m

$806

Washington, D.C.Asuncion

IAD - ASU

IADASU

Washington, D.C. Dulles Intl

Mon 3/9

5:30 am-5:15 am

2 stops22h 45m

Asuncion Silvio Pettirossi

Thu 3/12

8:20 am-4:10 am

2 stops20h 50m

$809

Washington, D.C.Asuncion

IAD - ASU

IADASU

Washington, D.C. Dulles Intl

Mon 3/9

2:18 am-12:15 am

1 stop20h 57m

Asuncion Silvio Pettirossi

Mon 3/16

6:42 am-4:15 am

1 stop22h 33m

$850

Washington, D.C.Asuncion

IAD - ASU

IADASU

Washington, D.C. Dulles Intl

Tue 3/10

7:15 pm-5:15 am

2 stops33h 00m

Asuncion Silvio Pettirossi

Thu 3/12

8:20 am-2:15 pm

1 stop30h 55m

$852

Washington, D.C.Asuncion

IAD - ASU

IADASU

Washington, D.C. Dulles Intl

Fri 2/20

8:29 am-5:32 am

1 stop19h 03m

Asuncion Silvio Pettirossi

Sat 3/21

6:42 am-4:15 am

1 stop22h 33m

$858

Washington, D.C.Asuncion

IAD - ASU

IADASU

Washington, D.C. Dulles Intl

Tue 3/10

7:15 pm-5:15 am

2 stops33h 00m

Asuncion Silvio Pettirossi

Thu 3/12

8:20 am-4:10 am

2 stops20h 50m

$863

Washington, D.C.Asuncion

IAD - ASU

IADASU

Washington, D.C. Dulles Intl

Wed 3/18

2:18 am-12:15 am

1 stop20h 57m

Asuncion Silvio Pettirossi

Sun 3/22

6:42 am-12:32 am

1 stop18h 50m

$870

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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 $397, 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.

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

You could potentially save up to 23% 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

Fastest flight time

11h 46m

Direct flights

None
The fastest flight from Washington, D.C. Dulles Intl Airport to Asuncion takes 11h 46m
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 11h 46m.

  • 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 $365Free CancellationRating
6.6
2,480 reviews
Search Avianca flights
Copa AirlinesPriceFrom $658Free CancellationRating
7.6
1,558 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.

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