HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Dulles Intl

$415+ 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 9/17. Fares are subject to change and may not be available on all flights or dates of travel.
ASU — IAD
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Asuncion to Dulles Intl with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap 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 September 11, 2025.

Round-trip from

$882
(Kiwi.com)

One-way from

$415
(Kiwi.com)

Popular in

January

Cheapest in

June

Average price

$962
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. 29% potential increase in price ($391 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 8% potential price decrease ($74 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in September 2025
Search Deals

Find 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 September 11, 2025.

This Kiwi.com deal was found by Cheapflights users on 9/9. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/208:20 amASU - IAD
2 stops36h 48mMultiple Airlines
Wed 11/265:45 amIAD - ASU
1 stop21h 30mMultiple Airlines
Deal found 9/9$840
This Kiwi.com deal was found by Cheapflights users on 9/11. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/112:20 pmASU - IAD
2 stops26h 55mMultiple Airlines
Wed 12/315:45 amIAD - ASU
1 stop21h 30mMultiple Airlines
Deal found 9/11$882
This Avianca deal was found by Cheapflights users on 9/11. 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 Avianca is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/48:20 amASU - IAD
2 stops41h 50mAvianca
Fri 1/92:35 pmIAD - ASU
1 stop12h 40mAvianca
Deal found 9/11$886
This Trip.com deal was found by Cheapflights users on 9/10. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/1812:30 pmASU - IAD
2 stops18h 05mMultiple Airlines
Mon 10/133:20 pmIAD - ASU
2 stops19h 20mMultiple Airlines
Deal found 9/10$906
This Mytrip deal was found by Cheapflights users on 9/9. 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.
Thu 11/208:20 amASU - IAD
1 stop22h 05mAvianca
Wed 11/262:35 pmIAD - ASU
1 stop12h 40mAvianca
Deal found 9/9$907
This Avianca deal was found by Cheapflights users on 9/11. 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 Avianca is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/258:20 amASU - IAD
2 stops17h 50mAvianca
Wed 12/312:35 pmIAD - ASU
1 stop12h 40mAvianca
Deal found 9/11$909
This Avianca deal was found by Cheapflights users on 9/11. 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 Avianca is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/48:20 amASU - IAD
2 stops41h 50mAvianca
Wed 1/71:30 amIAD - ASU
3 stops49h 45mAvianca
Deal found 9/11$914
This Avianca deal was found by Cheapflights users on 9/11. 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 Avianca is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/258:20 amASU - IAD
2 stops17h 50mAvianca
Thu 1/86:15 pmIAD - ASU
2 stops33h 00mAvianca
Deal found 9/11$930

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 September 11, 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

Thu 11/20

8:20 am-7:08 pm

2 stops36h 48m

Washington, D.C. Dulles Intl

Wed 11/26

5:45 am-5:15 am

1 stop21h 30m

$840

AsuncionWashington, D.C.

ASU - IAD

ASUIAD

Asuncion Silvio Pettirossi

Thu 11/20

8:20 am-4:25 am

1 stop22h 05m

Washington, D.C. Dulles Intl

Wed 11/26

2:35 pm-5:15 am

1 stop12h 40m

$907

AsuncionWashington, D.C.

ASU - IAD

ASUIAD

Asuncion Silvio Pettirossi

Wed 11/26

1:20 pm-1:15 pm

2 stops25h 55m

Washington, D.C. Dulles Intl

Wed 12/31

5:45 am-5:15 am

1 stop21h 30m

$909

AsuncionWashington, D.C.

ASU - IAD

ASUIAD

Asuncion Silvio Pettirossi

Thu 12/4

8:20 am-12:10 am

2 stops41h 50m

Washington, D.C. Dulles Intl

Wed 1/7

1:30 am-5:15 am

3 stops49h 45m

$914

AsuncionWashington, D.C.

ASU - IAD

ASUIAD

Asuncion Silvio Pettirossi

Tue 11/25

8:20 am-12:10 am

2 stops17h 50m

Washington, D.C. Dulles Intl

Thu 1/8

6:15 pm-5:15 am

2 stops33h 00m

$930

AsuncionWashington, D.C.

ASU - IAD

ASUIAD

Asuncion Silvio Pettirossi

Thu 12/4

8:20 am-4:25 am

1 stop22h 05m

Washington, D.C. Dulles Intl

Thu 1/8

1:30 am-5:15 am

2 stops25h 45m

$931

AsuncionWashington, D.C.

ASU - IAD

ASUIAD

Asuncion Silvio Pettirossi

Thu 11/27

12:20 pm-4:25 am

2 stops18h 05m

Washington, D.C. Dulles Intl

Wed 12/31

5:45 am-5:15 am

1 stop21h 30m

$941

AsuncionWashington, D.C.

ASU - IAD

ASUIAD

Asuncion Silvio Pettirossi

Sun 10/5

3:25 am-2:00 pm

3 stops35h 35m

Washington, D.C. Dulles Intl

Thu 10/16

5:45 am-6:10 am

3 stops23h 25m

$952

AsuncionWashington, D.C.

ASU - IAD

ASUIAD

Asuncion Silvio Pettirossi

Wed 9/17

8:10 am-4:20 am

3 stops21h 10m

$415

AsuncionWashington, D.C.

ASU - IAD

ASUIAD

Asuncion Silvio Pettirossi

Wed 9/17

8:25 am-2:25 pm

2 stops31h 00m

$474

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/9

Showing 1-10 of 12 results
1
2

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, August is the cheapest month in which you can book a flight from Asuncion to Washington, D.C. Dulles Intl Airport (average of $292). Flying from Asuncion to Washington, D.C. Dulles Intl Airport in April is currently the most expensive (average of $337). 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.

How much does it cost to fly round-trip from Asuncion to Washington, D.C. Dulles Intl Airport?

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 September 11, 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
1,531 reviews

Entertainment

6.8

Food

6.8

Boarding

7.8

Comfort

7.4

Overall

7.6

Crew

8.1

Reviews

1 / 20
4.0
Okay

Paul,Jun 2025

PTY - MIA

The boarding process was terrible. No one followed the group numbers. Everyone got up and stood in the tiles upon landing. People kept getting up during the meal and beverage service to go the bathrooms, the crew had to go back and forth in the isles, the service took forever.
Copa Airlines
7.6
Good
1,531 reviews
Copa Airlines
7.6
Good
1,531 reviews

Entertainment

6.8

Food

6.8

Boarding

7.8

Comfort

7.4

Overall

7.6

Crew

8.1

Reviews

1 / 20
4.0
Okay

Paul,Jun 2025

PTY - MIA

The boarding process was terrible. No one followed the group numbers. Everyone got up and stood in the tiles upon landing. People kept getting up during the meal and beverage service to go the bathrooms, the crew had to go back and forth in the isles, the service took forever.
Avianca
6.7
Okay
2,436 reviews
Copa Airlines
7.6
Good
1,531 reviews

Entertainment

6.8

Food

6.8

Boarding

7.8

Comfort

7.4

Overall

7.6

Crew

8.1

Reviews

1 / 20
4.0
Okay

Paul,Jun 2025

PTY - MIA

The boarding process was terrible. No one followed the group numbers. Everyone got up and stood in the tiles upon landing. People kept getting up during the meal and beverage service to go the bathrooms, the crew had to go back and forth in the isles, the service took forever.

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 $273, 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 $802. 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, August is the cheapest month in which you can book a flight from Asuncion to Washington, D.C. Dulles Intl Airport (average of $292). Flying from Asuncion to Washington, D.C. Dulles Intl Airport in April is currently the most expensive (average of $337). 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
Woodbridge
Alexandria
Arlington
Tysons
Silver Spring
Springfield
Gaithersburg
Fredericksburg
Linthicum Heights
Fairfax
Falls Church
Owings Mills
Manassas
Rockville
Hanover
Oxon Hill
Laurel
Towson
Dundalk
National Harbor

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Asuncion to Dulles Intl

See prices for flight routes from nearby airports that may be better suited for you.
Asuncion to Reagan-National flights
Asuncion to Baltimore 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 September 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
AviancaCheapest$273Average$630FlexibilityNo cancel feeOn-time71%
Copa AirlinesCheapest$802Average$1,162FlexibilityNo cancel feeOn-time70%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.