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Dulles Intl

$349+ Cheap flights from Asuncion (ASU) to Dulles Intl (IAD)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 2/7. Fares are subject to change and may not be available on all flights or dates of travel.
ASU — IAD
Feb 25 — Mar 41
Wed 2/25
Wed 3/4
1 adult, Economy
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Cheap flight deals from Asuncion to Dulles Intl

Cheapest flights from Asuncion to Dulles Intl
Explore the most affordable flight options available from Asuncion to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 26, 2026.

This Avianca deal was found by Cheapflights users on 1/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Avianca is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/38:20 am
ASU
-
IAD
1 stop22h 05m
Avianca
Fri 3/206:45 am
IAD
-
ASU
1 stop21h 30m
Avianca
Deal found 1/24$618
This Ovago deal was found by Cheapflights users on 1/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/38:25 am
ASU
-
IAD
2 stops26h 48m
LATAM Airlines
Fri 3/201:19 pm
IAD
-
ASU
2 stops22h 06m
LATAM Airlines
Deal found 1/24$716
This Avianca deal was found by Cheapflights users on 1/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Avianca is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/108:20 am
ASU
-
IAD
1 stop22h 05m
Avianca
Sat 8/13:25 pm
IAD
-
ASU
1 stop12h 15m
Avianca
Deal found 1/24$788
This Expedia deal was found by Cheapflights users on 1/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/18:10 am
ASU
-
IAD
1 stop30h 50m
Avianca
Fri 5/225:35 pm
IAD
-
ASU
2 stops34h 05m
Avianca
Deal found 1/24$845
This Mytrip deal was found by Cheapflights users on 1/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/48:35 am
ASU
-
IAD
3 stops30h 25m
Multiple Airlines
Tue 5/123:25 pm
IAD
-
ASU
3 stops33h 25m
Multiple Airlines
Deal found 1/25$865
This eDestinos deal was found by Cheapflights users on 1/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/73:00 pm
ASU
-
IAD
2 stops24h 00m
Multiple Airlines
Tue 4/213:25 pm
IAD
-
ASU
1 stop12h 15m
Multiple Airlines
Deal found 1/24$872

Find flight deals from Asuncion to Dulles Intl

Discover tips and strategies to find the most affordable flight options for your journey from Asuncion (ASU) to Dulles Intl (IAD). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated January 26, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$618
(Avianca)

One-way from

$349
(Avianca)

Popular in

January

Cheapest in

June

Average price

$1,464
Provider with most accurate pricing for Asuncion Silvio Pettirossi-Washington, D.C. Dulles Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Asuncion Silvio Pettirossi-Washington, D.C. Dulles Intl flights.
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From Asuncion Silvio Pettirossi to Washington, D.C. Dulles Intl
Search Deals
One-way flight from Asuncion Silvio Pettirossi to Washington, D.C. Dulles Intl
Search Deals
Highest demand for flights based on searches. 23% potential increase in price ($284 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($48 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Asuncion to Dulles Intl 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, Cheapflights users made 2,558,603 searches. Data last updated January 26, 2026.
Use the filters below to find and compare flights from Asuncion to Washington, D.C. Dulles Intl Airport that are best for you.

Fly from

Asuncion

Fly to

Dulles Intl

Route

Depart

Return

Price

AsuncionWashington, D.C.

ASU - IAD

ASUIAD

Asuncion Silvio Pettirossi

Tue 3/3

8:20 am-4:25 am

1 stop22h 05m

Washington, D.C. Dulles Intl

Fri 3/20

6:45 am-5:15 am

1 stop21h 30m

$618

AsuncionWashington, D.C.

ASU - IAD

ASUIAD

Asuncion Silvio Pettirossi

Tue 3/3

8:25 am-9:13 am

2 stops26h 48m

Washington, D.C. Dulles Intl

Fri 3/20

1:19 pm-12:25 pm

2 stops22h 06m

$716

AsuncionWashington, D.C.

ASU - IAD

ASUIAD

Asuncion Silvio Pettirossi

Tue 3/10

8:20 am-5:25 am

1 stop22h 05m

Washington, D.C. Dulles Intl

Sat 8/1

3:25 pm-4:40 am

1 stop12h 15m

$788

AsuncionWashington, D.C.

ASU - IAD

ASUIAD

Asuncion Silvio Pettirossi

Sat 2/7

8:20 am-4:25 am

1 stop22h 05m

$349

AsuncionWashington, D.C.

ASU - IAD

ASUIAD

Asuncion Silvio Pettirossi

Tue 3/3

8:20 am-4:25 am

1 stop22h 05m

$359

AsuncionWashington, D.C.

ASU - IAD

ASUIAD

Asuncion Silvio Pettirossi

Thu 3/12

8:20 am-12:31 am

3 stops41h 11m

$378

AsuncionWashington, D.C.

ASU - IAD

ASUIAD

Asuncion Silvio Pettirossi

Sun 3/29

8:10 am-2:00 pm

1 stop30h 50m

$393

AsuncionWashington, D.C.

ASU - IAD

ASUIAD

Asuncion Silvio Pettirossi

Mon 3/30

10:25 pm-5:35 am

3 stops32h 10m

$413

AsuncionWashington, D.C.

ASU - IAD

ASUIAD

Asuncion Silvio Pettirossi

Thu 3/12

8:20 am-1:10 am

2 stops17h 50m

$428

AsuncionWashington, D.C.

ASU - IAD

ASUIAD

Asuncion Silvio Pettirossi

Wed 3/11

4:05 pm-2:15 pm

3 stops47h 10m

$431

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/24

Showing 1-10 of 12 results
1
2

Compare providers for flights from Asuncion to Dulles Intl

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Asuncion to Dulles Intl in January.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Asuncion-Washington, D.C. Dulles Intl Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Asuncion-Washington, D.C. Dulles Intl Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Asuncion-Washington, D.C. Dulles Intl Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Asuncion-Washington, D.C. Dulles Intl Airport flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Asuncion-Washington, D.C. Dulles Intl Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Asuncion to Dulles Intl

Have a flexible travel schedule? Discover the best time to fly to Dulles Intl from Asuncion with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Asuncion to Washington, D.C. Dulles Intl Airport

What is the cheapest month to book a flight from Asuncion to Washington, D.C. Dulles Intl Airport?

Currently, June is the cheapest month in which you can book a flight from Asuncion to Washington, D.C. Dulles Intl Airport (average of $263). Flying from Asuncion to Washington, D.C. Dulles Intl Airport in December is currently the most expensive (average of $1,151). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Reviews of airlines servicing Dulles Intl

Get insights into the airlines that provide service to Dulles Intl. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Dulles Intl. Reviews last updated January 26, 2026.
See what other customers who have flown with Copa Airlines and Avianca from Asuncion to Washington, D.C. Dulles Intl Airport have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Copa Airlines
7.6
Good
1,558 reviews

Food

6.8

Entertainment

6.8

Overall

7.6

Crew

8.1

Boarding

7.8

Comfort

7.4

Reviews

1 / 20
2.0
Mediocre

Juan,Dec 2025

EZE - PTY

The outbound flight from Boston was awful. The handicapped services were the worst i have ever seen. NEVER AGAIN. THIS WAS NOT WORTH ANYWHERE NEAR $4K.
Copa Airlines
7.6
Good
1,558 reviews
Copa Airlines
7.6
Good
1,558 reviews

Food

6.8

Entertainment

6.8

Overall

7.6

Crew

8.1

Boarding

7.8

Comfort

7.4

Reviews

1 / 20
2.0
Mediocre

Juan,Dec 2025

EZE - PTY

The outbound flight from Boston was awful. The handicapped services were the worst i have ever seen. NEVER AGAIN. THIS WAS NOT WORTH ANYWHERE NEAR $4K.
Avianca
6.6
Okay
2,492 reviews
Copa Airlines
7.6
Good
1,558 reviews

Food

6.8

Entertainment

6.8

Overall

7.6

Crew

8.1

Boarding

7.8

Comfort

7.4

Reviews

1 / 20
2.0
Mediocre

Juan,Dec 2025

EZE - PTY

The outbound flight from Boston was awful. The handicapped services were the worst i have ever seen. NEVER AGAIN. THIS WAS NOT WORTH ANYWHERE NEAR $4K.

Related info for your journey

Find useful and relevant information for your journey from Asuncion to Dulles Intl. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Asuncion to Washington, D.C. Dulles Intl?

    If you book a flight to Washington, D.C. Dulles Intl from Asuncion, you will be flying from Silvio Pettirossi, which is the city’s only airport. Asuncion Silvio Pettirossi (ASU) is located 7.8 mi from the center of Asuncion. There are 0 flights from Silvio Pettirossi to Washington, D.C. Dulles Intl per day from 2 different airlines.

  • How long is the flight from Asuncion to Washington, D.C. Dulles Intl Airport?

    Departing from Asuncion to Washington, D.C. Dulles Intl Airport will take you 22h 05m. Asuncion and Washington, D.C. Dulles Intl Airport are separated by a distance of 4615 mi. This flight may include one or multiple stops.

  • What are the cheapest airlines flying from Asuncion to Washington, D.C. Dulles Intl Airport round-trip?

    Currently priced at $263, Avianca will fly you from Asuncion to Washington, D.C. Dulles Intl Airport and back. In addition to Avianca, many other airlines offer competitively priced options for your trip. Check Cheapflights for deals on Copa Airlines for as low as $525. These flights start at 71% lower than the current average price 3 months from now.

  • Can I find deals for flights from Asuncion to Dulles Intl that include hotel bookings?

    Yes. In addition to deals on Asuncion to Dulles Intl flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Asuncion to Dulles Intl?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Asuncion to Dulles Intl.

  • Can I find deals for business class flights from Asuncion to Dulles Intl?

    Yes. Cheapflights offers flight deals from Asuncion to Dulles Intl by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Asuncion to Washington, D.C. Dulles Intl Airport?

    Currently, June is the cheapest month in which you can book a flight from Asuncion to Washington, D.C. Dulles Intl Airport (average of $263). Flying from Asuncion to Washington, D.C. Dulles Intl Airport in December is currently the most expensive (average of $1,151). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Washington, D.C. Dulles Intl Airport?

Book flights to Washington, D.C. Dulles Intl Airport if you plan to visit one of these locations
Alexandria
Woodbridge
Tysons
Arlington
Owings Mills
Springfield
Silver Spring
Herndon
Fredericksburg
Hanover
Linthicum Heights
Rockville
Laurel
Towson
Manassas
Largo
Bowie
McLean
Clinton
Upper Marlboro

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Alternative routes for Asuncion to Dulles Intl

See prices for flight routes from nearby airports that may be better suited for you.
Asuncion to Baltimore flights
Asuncion to Reagan-National flights

Top 2 airlines flying from Asuncion to Dulles Intl

Discover the top 2 airlines that operate flights from Asuncion to Dulles Intl. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated January 26, 2026.
AirlineCheapestAverageFlexibilityOn-time
AviancaCheapest$263Average$615FlexibilityNo cancel feeOn-time71%
Copa AirlinesCheapest$525Average$942FlexibilityNo cancel feeOn-time70%

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