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Cheap flights from Washington, D.C. Dulles Intl Airport to Asuncion from $416

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 6/6. 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.
Multiple Airlines Logo
6:50 am - 3:50 am
IAD
-
ASU
44h 00m
2 stops
Multiple Airlines Logo
2:50 pm - 5:20 am
ASU
-
IAD
39h 30m
2 stops
$975Multiple Airlines
Thu, Jun 11 - Thu, Jun 25
Multiple Airlines Logo
3:35 pm - 2:00 pm
IAD
-
ASU
21h 25m
2 stops
Multiple Airlines Logo
2:50 pm - 5:20 am
ASU
-
IAD
39h 30m
2 stops
$991Multiple Airlines
Wed, Jun 17 - Thu, Jul 9
Multiple Airlines Logo
6:50 am - 6:05 am
IAD
-
ASU
22h 15m
2 stops
Multiple Airlines Logo
8:10 am - 5:20 am
ASU
-
IAD
22h 10m
2 stops
$1,041Multiple Airlines
Mon, Jun 8 - Tue, Jun 23
Multiple Airlines Logo
6:50 am - 4:40 am
IAD
-
ASU
20h 50m
1 stop
Multiple Airlines Logo
2:50 pm - 5:20 am
ASU
-
IAD
39h 30m
2 stops
$1,048Multiple Airlines
Thu, Jun 11 - Thu, Jun 25
Avianca Logo
6:50 am - 4:40 am
IAD
-
ASU
20h 50m
1 stop
Avianca Logo
8:25 am - 5:20 am
ASU
-
IAD
21h 55m
1 stop
$1,050Avianca
Tue, Aug 11 - Wed, Aug 26
Multiple Airlines Logo
6:50 am - 2:00 pm
IAD
-
ASU
30h 10m
2 stops
Multiple Airlines Logo
8:25 am - 2:15 pm
ASU
-
IAD
30h 50m
1 stop
$1,061Multiple Airlines
Mon, Jun 1 - Fri, Jun 19
Avianca Logo
4:10 am - 4:40 am
IAD
-
ASU
23h 30m
2 stops
Avianca Logo
8:25 am - 5:20 am
ASU
-
IAD
21h 55m
1 stop
$1,063Avianca
Tue, Aug 11 - Wed, Aug 26
Multiple Airlines Logo
4:30 pm - 11:15 am
IAD
-
ASU
40h 45m
2 stops
Multiple Airlines Logo
12:05 pm - 3:46 pm
ASU
-
IAD
29h 41m
2 stops
$1,064Multiple Airlines
Mon, Nov 2 - Wed, Nov 11
Multiple Airlines Logo
6:50 am - 3:15 pm
IAD
-
ASU
31h 25m
3 stops
Multiple Airlines Logo
11:25 am - 2:15 pm
ASU
-
IAD
27h 50m
3 stops
$1,079Multiple Airlines
Thu, Jun 11 - Wed, Jun 17
Multiple Airlines Logo
6:50 am - 3:15 pm
IAD
-
ASU
31h 25m
3 stops
Multiple Airlines Logo
11:25 am - 2:15 pm
ASU
-
IAD
27h 50m
3 stops
$1,080Multiple Airlines
Thu, Jun 11 - Wed, Jun 17

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
Aug 11
IAD6:50 amWashington, D.C. Dulles Intl
20h 50m
1 stop
ASU4:40 amAsuncion Silvio Pettirossi
Aug 26
ASU8:25 amAsuncion Silvio Pettirossi
21h 55m
1 stop
IAD5:20 amWashington, D.C. Dulles Intl
$1,050
Avianca
Aug 11
IAD4:10 amWashington, D.C. Dulles Intl
23h 30m
2 stops
ASU4:40 amAsuncion Silvio Pettirossi
Aug 26
ASU8:25 amAsuncion Silvio Pettirossi
21h 55m
1 stop
IAD5:20 amWashington, D.C. Dulles Intl
$1,063
Avianca
Jun 2
IAD3:35 pmWashington, D.C. Dulles Intl
12h 05m
1 stop
ASU4:40 amAsuncion Silvio Pettirossi
Aug 21
ASU8:25 amAsuncion Silvio Pettirossi
19h 20m
2 stops
IAD2:45 amWashington, D.C. Dulles Intl
$1,088

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 7
IAD4:34 pmWashington, D.C. Dulles Intl
11h 57m
1 stop
ASU5:31 amAsuncion Silvio Pettirossi
Nov 24
ASU4:11 amAsuncion Silvio Pettirossi
21h 19m
1 stop
IAD11:30 pmWashington, D.C. Dulles Intl
$1,135
Copa Airlines
May 25
IAD2:21 amWashington, D.C. Dulles Intl
20h 47m
1 stop
ASU12:08 amAsuncion Silvio Pettirossi
Jun 23
ASU6:33 amAsuncion Silvio Pettirossi
19h 00m
1 stop
IAD12:33 amWashington, D.C. Dulles Intl
$1,431
Copa Airlines
May 25
IAD2:21 amWashington, D.C. Dulles Intl
23h 26m
1 stop
ASU2:47 amAsuncion Silvio Pettirossi
Jun 23
ASU6:33 amAsuncion Silvio Pettirossi
22h 48m
1 stop
IAD4:21 amWashington, D.C. Dulles Intl
$1,461

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 May 17, 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

Cheapest round-trip

Washington, D.C.Asuncion

IAD - ASU

IADASU

Washington, D.C. Dulles Intl

Thu 6/11

6:50 am-3:50 am

2 stops44h 00m

Asuncion Silvio Pettirossi

Thu 6/25

2:50 pm-5:20 am

2 stops39h 30m

$975

Washington, D.C.Asuncion

IAD - ASU

IADASU

Washington, D.C. Dulles Intl

Wed 6/17

3:35 pm-2:00 pm

2 stops21h 25m

Asuncion Silvio Pettirossi

Thu 7/9

2:50 pm-5:20 am

2 stops39h 30m

$991

Washington, D.C.Asuncion

IAD - ASU

IADASU

Washington, D.C. Dulles Intl

Mon 6/8

6:50 am-6:05 am

2 stops22h 15m

Asuncion Silvio Pettirossi

Tue 6/23

8:10 am-5:20 am

2 stops22h 10m

$1,041

Washington, D.C.Asuncion

IAD - ASU

IADASU

Washington, D.C. Dulles Intl

Thu 6/11

6:50 am-4:40 am

1 stop20h 50m

Asuncion Silvio Pettirossi

Thu 6/25

2:50 pm-5:20 am

2 stops39h 30m

$1,048
Quickest round-trip

Washington, D.C.Asuncion

IAD - ASU

IADASU

Washington, D.C. Dulles Intl

Tue 8/11

6:50 am-4:40 am

1 stop20h 50m

Asuncion Silvio Pettirossi

Wed 8/26

8:25 am-5:20 am

1 stop21h 55m

$1,050

Washington, D.C.Asuncion

IAD - ASU

IADASU

Washington, D.C. Dulles Intl

Mon 6/1

6:50 am-2:00 pm

2 stops30h 10m

Asuncion Silvio Pettirossi

Fri 6/19

8:25 am-2:15 pm

1 stop30h 50m

$1,061

Washington, D.C.Asuncion

IAD - ASU

IADASU

Washington, D.C. Dulles Intl

Tue 8/11

4:10 am-4:40 am

2 stops23h 30m

Asuncion Silvio Pettirossi

Wed 8/26

8:25 am-5:20 am

1 stop21h 55m

$1,063

Washington, D.C.Asuncion

IAD - ASU

IADASU

Washington, D.C. Dulles Intl

Mon 11/2

4:30 pm-11:15 am

2 stops40h 45m

Asuncion Silvio Pettirossi

Wed 11/11

12:05 pm-3:46 pm

2 stops29h 41m

$1,064

Washington, D.C.Asuncion

IAD - ASU

IADASU

Washington, D.C. Dulles Intl

Thu 6/11

6:50 am-3:15 pm

3 stops31h 25m

Asuncion Silvio Pettirossi

Wed 6/17

11:25 am-2:15 pm

3 stops27h 50m

$1,079

Washington, D.C.Asuncion

IAD - ASU

IADASU

Washington, D.C. Dulles Intl

Thu 6/11

6:50 am-3:15 pm

3 stops31h 25m

Asuncion Silvio Pettirossi

Wed 6/17

11:25 am-2:15 pm

3 stops27h 50m

$1,080

Flights are sorted by cheapest round-trip flights first.

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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 45% 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

16h 32m

Direct flights

None
The fastest flight from Washington, D.C. Dulles Intl Airport to Asuncion takes 16h 32m
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

Frequently asked questions about flying from Washington, D.C. Dulles Intl Airport to Asuncion

  • 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 16h 32m.

  • 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 $397Free CancellationRating
6.5
2,527 reviews
Search Avianca flights
Copa AirlinesPriceFrom $517Free CancellationRating
7.5
1,579 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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