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Dulles Intl

$416+ 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
Jan 11 — Jan 181
Sun 1/11
Sun 1/18
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 December 12, 2025.

This Copa Airlines deal was found by Cheapflights users on 12/10. 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 Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/266:33 amASU - IAD
1 stop22h 49mCopa Airlines
Fri 1/21:12 amIAD - ASU
1 stop21h 02mCopa Airlines
Deal found 12/10$1,112
This Copa Airlines deal was found by Cheapflights users on 12/10. 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 Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/236:33 amASU - IAD
1 stop19h 00mCopa Airlines
Thu 1/153:25 pmIAD - ASU
1 stop12h 12mCopa Airlines
Deal found 12/10$1,164
This Copa Airlines deal was found by Cheapflights users on 12/11. 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 Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/206:33 amASU - IAD
1 stop22h 49mCopa Airlines
Sat 1/38:25 amIAD - ASU
1 stop16h 46mCopa Airlines
Deal found 12/11$1,199
This Copa Airlines deal was found by Cheapflights users on 12/10. 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 Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/116:33 amASU - IAD
1 stop22h 49mCopa Airlines
Mon 12/291:13 amIAD - ASU
1 stop20h 58mCopa Airlines
Deal found 12/10$1,258
This Cheapflightsfares deal was found by Cheapflights users on 12/11. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/238:20 amASU - IAD
1 stop22h 05mAvianca
Thu 1/156:15 pmIAD - ASU
2 stops33h 00mAvianca
Deal found 12/11$1,366
This Mytrip deal was found by Cheapflights users on 12/10. 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.
Fri 12/268:00 pmASU - IAD
2 stops34h 25mMultiple Airlines
Sat 1/32:35 pmIAD - ASU
3 stops22h 50mMultiple Airlines
Deal found 12/10$1,380
This Cheapflightsfares deal was found by Cheapflights users on 12/10. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/118:25 amASU - IAD
2 stops17h 47mLATAM Airlines
Tue 12/306:00 amIAD - ASU
2 stops22h 15mLATAM Airlines
Deal found 12/10$1,389
This FlightHub deal was found by Cheapflights users on 12/10. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/238:25 amASU - IAD
2 stops17h 47mLATAM Airlines
Thu 1/1512:09 pmIAD - ASU
2 stops40h 16mLATAM Airlines
Deal found 12/10$1,418
This Avianca deal was found by Cheapflights users on 12/10. 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.
Thu 12/118:20 amASU - IAD
1 stop30h 55mAvianca
Tue 12/3010:06 pmIAD - ASU
2 stops29h 09mAvianca
Deal found 12/10$1,424

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 December 12, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$783
(Avianca)

One-way from

$416
(Avianca)

Popular in

January

Cheapest in

June

Average price

$1,162
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. 21% potential increase in price ($243 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($36 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
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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 December 12, 2025.
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 3/10

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

$783

AsuncionWashington, D.C.

ASU - IAD

ASUIAD

Asuncion Silvio Pettirossi

Tue 3/3

8:20 am-1:40 am

2 stops19h 20m

Washington, D.C. Dulles Intl

Fri 3/20

3:35 pm-5:15 am

1 stop12h 40m

$785

AsuncionWashington, D.C.

ASU - IAD

ASUIAD

Asuncion Silvio Pettirossi

Sun 5/10

8:10 am-5:35 am

1 stop22h 25m

Washington, D.C. Dulles Intl

Sat 5/23

3:25 pm-4:40 am

1 stop12h 15m

$789

AsuncionWashington, D.C.

ASU - IAD

ASUIAD

Asuncion Silvio Pettirossi

Thu 3/5

4:11 am-11:32 pm

1 stop21h 21m

Washington, D.C. Dulles Intl

Fri 3/13

2:18 am-12:15 am

1 stop20h 57m

$803

AsuncionWashington, D.C.

ASU - IAD

ASUIAD

Asuncion Silvio Pettirossi

Fri 5/1

8:10 am-2:00 pm

1 stop30h 50m

Washington, D.C. Dulles Intl

Mon 5/25

5:05 pm-4:40 am

2 stops34h 35m

$835

AsuncionWashington, D.C.

ASU - IAD

ASUIAD

Asuncion Silvio Pettirossi

Wed 4/1

8:10 am-12:26 am

2 stops17h 16m

Washington, D.C. Dulles Intl

Mon 4/20

7:00 am-6:05 am

2 stops22h 05m

$844

AsuncionWashington, D.C.

ASU - IAD

ASUIAD

Asuncion Silvio Pettirossi

Fri 3/6

6:30 pm-11:41 am

2 stops19h 11m

Washington, D.C. Dulles Intl

Sat 3/14

1:19 pm-12:25 pm

2 stops22h 06m

$861

AsuncionWashington, D.C.

ASU - IAD

ASUIAD

Asuncion Silvio Pettirossi

Wed 3/4

8:25 am-9:08 am

2 stops26h 43m

Washington, D.C. Dulles Intl

Mon 3/30

3:35 pm-10:15 am

2 stops17h 40m

$862

AsuncionWashington, D.C.

ASU - IAD

ASUIAD

Asuncion Silvio Pettirossi

Tue 3/3

8:25 am-9:08 am

2 stops26h 43m

Washington, D.C. Dulles Intl

Mon 3/30

1:19 pm-10:15 am

2 stops19h 56m

$862

AsuncionWashington, D.C.

ASU - IAD

ASUIAD

Asuncion Silvio Pettirossi

Sat 2/7

8:20 am-4:25 am

1 stop22h 05m

$416

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/9

Showing 1-10 of 13 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 December.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star

*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 eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Asuncion-Washington, D.C. Dulles Intl Airport flight deals on Cheapflights vs. eDreams >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 eDreams the most. eDreams 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 $1,153). 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 December 12, 2025.
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

Crew

8.1

Food

6.9

Comfort

7.4

Entertainment

6.8

Boarding

7.8

Overall

7.6

Reviews

1 / 20
4.0
Okay

Juan Pablo,Sep 2025

PTY - VVI

not a good expirience, the plane was packed, the seats wear very unconftrable, coudent conect with the entratainmente service on the plane, the onboarding was in charge of a very angry lady i really had a unplesent trip
Copa Airlines
7.6
Good
1,558 reviews
Copa Airlines
7.6
Good
1,558 reviews

Crew

8.1

Food

6.9

Comfort

7.4

Entertainment

6.8

Boarding

7.8

Overall

7.6

Reviews

1 / 20
4.0
Okay

Juan Pablo,Sep 2025

PTY - VVI

not a good expirience, the plane was packed, the seats wear very unconftrable, coudent conect with the entratainmente service on the plane, the onboarding was in charge of a very angry lady i really had a unplesent trip
Avianca
6.6
Okay
2,480 reviews
Copa Airlines
7.6
Good
1,558 reviews

Crew

8.1

Food

6.9

Comfort

7.4

Entertainment

6.8

Boarding

7.8

Overall

7.6

Reviews

1 / 20
4.0
Okay

Juan Pablo,Sep 2025

PTY - VVI

not a good expirience, the plane was packed, the seats wear very unconftrable, coudent conect with the entratainmente service on the plane, the onboarding was in charge of a very angry lady i really had a unplesent trip

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.

  • 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 70% 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 $1,153). 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
Hanover
Silver Spring
Fredericksburg
Fairfax
Linthicum Heights
Manassas
Rockville
Laurel
Towson
National Harbor
Bowie
Largo
McLean
Clinton

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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 December 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
AviancaCheapest$273Average$630FlexibilityNo cancel feeOn-time71%
Copa AirlinesCheapest$672Average$1,116FlexibilityNo cancel feeOn-time70%

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