Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from Washington, D.C. Dulles Intl Airport to Asuncion from $340

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 3/18. 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

Enter your travel dates to find the best prices.
Avianca Logo
3:35 pm - 5:15 am
IAD
-
ASU
12h 40m
1 stop
Avianca Logo
8:20 am - 5:25 am
ASU
-
IAD
22h 05m
1 stop
$728Avianca
Mon, Mar 9 - Thu, Mar 19
Copa Airlines Logo
9:29 am - 3:11 am
IAD
-
ASU
16h 42m
1 stop
Copa Airlines Logo
6:42 am - 4:15 am
ASU
-
IAD
22h 33m
1 stop
$732Copa Airlines
Sun, Mar 8 - Mon, Mar 16
Copa Airlines Logo
4:35 pm - 5:32 am
IAD
-
ASU
11h 57m
1 stop
Copa Airlines Logo
6:42 am - 4:15 am
ASU
-
IAD
22h 33m
1 stop
$752Copa Airlines
Sun, Mar 8 - Mon, Mar 16
Avianca Logo
5:15 pm - 5:15 am
IAD
-
ASU
35h 00m
2 stops
Avianca Logo
8:20 am - 5:25 am
ASU
-
IAD
22h 05m
1 stop
$763Avianca
Thu, Mar 12 - Thu, Mar 19
Copa Airlines Logo
9:29 am - 12:15 am
IAD
-
ASU
13h 46m
1 stop
Copa Airlines Logo
4:11 am - 4:15 am
ASU
-
IAD
25h 04m
1 stop
$778Copa Airlines
Tue, Mar 10 - Sun, Mar 15
Multiple Airlines Logo
6:45 am - 7:49 am
IAD
-
ASU
24h 04m
3 stops
Multiple Airlines Logo
8:20 am - 5:25 am
ASU
-
IAD
22h 05m
1 stop
$779Multiple Airlines
Sun, Mar 15 - Thu, Mar 19
Avianca Logo
5:15 pm - 5:15 am
IAD
-
ASU
35h 00m
2 stops
Avianca Logo
8:20 am - 5:25 am
ASU
-
IAD
22h 05m
1 stop
$800Avianca
Sun, Mar 15 - Thu, Mar 19
Avianca Logo
3:35 pm - 5:15 am
IAD
-
ASU
12h 40m
1 stop
Avianca Logo
8:20 am - 2:40 am
ASU
-
IAD
19h 20m
2 stops
$810Avianca
Mon, Mar 9 - Thu, Mar 19
Multiple Airlines Logo
6:50 am - 3:22 pm
IAD
-
ASU
31h 32m
3 stops
Multiple Airlines Logo
8:35 am - 5:20 am
ASU
-
IAD
21h 45m
2 stops
$815Multiple Airlines
Mon, Apr 13 - Mon, Apr 20
Multiple Airlines Logo
6:50 am - 11:15 am
IAD
-
ASU
27h 25m
2 stops
Multiple Airlines Logo
8:35 am - 2:15 pm
ASU
-
IAD
30h 40m
2 stops
$821Multiple Airlines
Mon, Apr 13 - Mon, Apr 20

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 8
IAD9:29 amWashington, D.C. Dulles Intl
16h 42m
1 stop
ASU3:11 amAsuncion Silvio Pettirossi
Mar 16
ASU6:42 amAsuncion Silvio Pettirossi
22h 33m
1 stop
IAD4:15 amWashington, D.C. Dulles Intl
$732
Copa Airlines
Mar 8
IAD4:35 pmWashington, D.C. Dulles Intl
11h 57m
1 stop
ASU5:32 amAsuncion Silvio Pettirossi
Mar 16
ASU6:42 amAsuncion Silvio Pettirossi
22h 33m
1 stop
IAD4:15 amWashington, D.C. Dulles Intl
$752
Copa Airlines
Mar 10
IAD9:29 amWashington, D.C. Dulles Intl
13h 46m
1 stop
ASU12:15 amAsuncion Silvio Pettirossi
Mar 15
ASU4:11 amAsuncion Silvio Pettirossi
25h 04m
1 stop
IAD4:15 amWashington, D.C. Dulles Intl
$778

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
IAD3:35 pmWashington, D.C. Dulles Intl
12h 40m
1 stop
ASU5:15 amAsuncion Silvio Pettirossi
Mar 19
ASU8:20 amAsuncion Silvio Pettirossi
22h 05m
1 stop
IAD5:25 amWashington, D.C. Dulles Intl
$728
Avianca
Mar 12
IAD5:15 pmWashington, D.C. Dulles Intl
35h 00m
2 stops
ASU5:15 amAsuncion Silvio Pettirossi
Mar 19
ASU8:20 amAsuncion Silvio Pettirossi
22h 05m
1 stop
IAD5:25 amWashington, D.C. Dulles Intl
$763
Avianca
Feb 18
IAD2:35 pmWashington, D.C. Dulles Intl
12h 40m
1 stop
ASU5:15 amAsuncion Silvio Pettirossi
Mar 7
ASU8:20 amAsuncion Silvio Pettirossi
22h 05m
1 stop
IAD4:25 amWashington, D.C. Dulles Intl
$785

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 February 11, 2026.
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

3:35 pm-5:15 am

1 stop12h 40m

Asuncion Silvio Pettirossi

Thu 3/19

8:20 am-5:25 am

1 stop22h 05m

$728

Washington, D.C.Asuncion

IAD - ASU

IADASU

Washington, D.C. Dulles Intl

Sun 3/8

9:29 am-3:11 am

1 stop16h 42m

Asuncion Silvio Pettirossi

Mon 3/16

6:42 am-4:15 am

1 stop22h 33m

$732

Washington, D.C.Asuncion

IAD - ASU

IADASU

Washington, D.C. Dulles Intl

Sun 3/8

4:35 pm-5:32 am

1 stop11h 57m

Asuncion Silvio Pettirossi

Mon 3/16

6:42 am-4:15 am

1 stop22h 33m

$752

Washington, D.C.Asuncion

IAD - ASU

IADASU

Washington, D.C. Dulles Intl

Thu 3/12

5:15 pm-5:15 am

2 stops35h 00m

Asuncion Silvio Pettirossi

Thu 3/19

8:20 am-5:25 am

1 stop22h 05m

$763

Washington, D.C.Asuncion

IAD - ASU

IADASU

Washington, D.C. Dulles Intl

Tue 3/10

9:29 am-12:15 am

1 stop13h 46m

Asuncion Silvio Pettirossi

Sun 3/15

4:11 am-4:15 am

1 stop25h 04m

$778

Washington, D.C.Asuncion

IAD - ASU

IADASU

Washington, D.C. Dulles Intl

Sun 3/15

6:45 am-7:49 am

3 stops24h 04m

Asuncion Silvio Pettirossi

Thu 3/19

8:20 am-5:25 am

1 stop22h 05m

$779

Washington, D.C.Asuncion

IAD - ASU

IADASU

Washington, D.C. Dulles Intl

Sun 3/15

5:15 pm-5:15 am

2 stops35h 00m

Asuncion Silvio Pettirossi

Thu 3/19

8:20 am-5:25 am

1 stop22h 05m

$800

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 3/19

8:20 am-2:40 am

2 stops19h 20m

$810

Washington, D.C.Asuncion

IAD - ASU

IADASU

Washington, D.C. Dulles Intl

Mon 4/13

6:50 am-3:22 pm

3 stops31h 32m

Asuncion Silvio Pettirossi

Mon 4/20

8:35 am-5:20 am

2 stops21h 45m

$815

Washington, D.C.Asuncion

IAD - ASU

IADASU

Washington, D.C. Dulles Intl

Mon 4/13

6:50 am-11:15 am

2 stops27h 25m

Asuncion Silvio Pettirossi

Mon 4/20

8:35 am-2:15 pm

2 stops30h 40m

$821

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 $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 September to fly from Washington, D.C. Dulles Intl Airport, when ticket prices are also cheap, with an average price of $898.

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

You could potentially save up to 7% 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 57m

Direct flights

None
The fastest flight from Washington, D.C. Dulles Intl Airport to Asuncion takes 11h 57m
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 57m.

  • 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
6.5
2,496 reviews
Search Avianca flights
Copa AirlinesPriceFrom $538Free CancellationRating
7.5
1,557 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
Fri 3/13
Fri 3/20
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