Dulles Intl

$374+ Cheap flights from Argentina 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 4/18. Fares are subject to change and may not be available on all flights or dates of travel.
EZE — IAD
Apr 21 — Apr 281
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Argentina 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 Argentina to Dulles Intl

Cheapest flights from Argentina to Dulles Intl
Explore the most affordable flight options available from Argentina to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 22, 2026.

This Kiwi.com deal was found by Cheapflights users on 3/20. 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 4/275:45 am
AEP
-
IAD
2 stops24h 35m
Multiple Airlines
Thu 5/73:35 pm
IAD
-
AEP
1 stop13h 05m
Multiple Airlines
Deal found 3/20$677
This FlightHub deal was found by Cheapflights users on 3/20. 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.
Wed 4/224:50 pm
EZE
-
IAD
1 stop13h 30m
Avianca
Tue 5/56:50 am
IAD
-
EZE
1 stop21h 50m
Avianca
Deal found 3/20$688
This FlightHub deal was found by Cheapflights users on 3/19. 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 4/144:50 pm
EZE
-
IAD
1 stop13h 30m
Avianca
Fri 4/176:50 am
IAD
-
EZE
1 stop21h 50m
Avianca
Deal found 3/19$694
This Justfly.com deal was found by Cheapflights users on 3/22. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/154:50 pm
EZE
-
IAD
1 stop13h 30m
Avianca
Wed 4/226:50 am
IAD
-
EZE
1 stop21h 50m
Avianca
Deal found 3/22$696
This Gotogate deal was found by Cheapflights users on 3/21. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/24:50 pm
EZE
-
IAD
1 stop13h 30m
Avianca
Sun 5/33:35 pm
IAD
-
EZE
1 stop13h 05m
Avianca
Deal found 3/21$708
This FlightHub deal was found by Cheapflights users on 3/18. 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.
Sun 4/194:50 pm
EZE
-
IAD
1 stop13h 30m
Avianca
Fri 4/246:50 am
IAD
-
EZE
1 stop21h 50m
Avianca
Deal found 3/18$710
This Kiwi.com deal was found by Cheapflights users on 3/20. 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 4/235:45 am
AEP
-
IAD
2 stops24h 35m
Multiple Airlines
Sun 5/36:50 am
IAD
-
AEP
1 stop21h 50m
Multiple Airlines
Deal found 3/20$710
This FlightHub deal was found by Cheapflights users on 3/20. 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.
Sun 4/197:10 am
EZE
-
IAD
1 stop32h 05m
Avianca
Wed 4/296:50 am
IAD
-
EZE
1 stop16h 35m
Avianca
Deal found 3/20$714
This FlightHub deal was found by Cheapflights users on 3/20. 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.
Wed 4/157:10 am
EZE
-
IAD
1 stop23h 10m
Avianca
Fri 4/176:50 am
IAD
-
EZE
1 stop21h 50m
Avianca
Deal found 3/20$715
This Trip.com deal was found by Cheapflights users on 3/21. 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.
Wed 5/134:50 pm
EZE
-
IAD
1 stop13h 30m
Avianca
Tue 5/196:50 am
IAD
-
EZE
1 stop21h 50m
Avianca
Deal found 3/21$725
This Trip.com deal was found by Cheapflights users on 3/20. 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.
Tue 4/149:35 am
AEP
-
IAD
2 stops20h 45m
Multiple Airlines
Fri 4/176:50 am
IAD
-
AEP
1 stop21h 50m
Multiple Airlines
Deal found 3/20$726
This Copa Airlines deal was found by Cheapflights users on 3/19. 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.
Sun 5/35:49 am
COR
-
IAD
1 stop19h 44m
Copa Airlines
Sat 5/92:21 am
IAD
-
COR
1 stop23h 01m
Copa Airlines
Deal found 3/19$747

Find flight deals from Argentina to Dulles Intl

Keep the following information in mind while searching for Argentina to Dulles Intl flight deals. Data was last updated March 22, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$677
(Kiwi.com)

One-way from

$374
(Kiwi.com)

Popular in

July

Cheapest in

September

Average price

$759
Provider with most accurate pricing for Buenos Aires (BUE)-Washington, D.C. (WAS) flight deals.
Provider most trusted by Cheapflights users for Buenos Aires (BUE)-Washington, D.C. (WAS) flights.
From Argentina to Washington, D.C. Dulles Intl
One-way flight from Argentina to Washington, D.C. Dulles Intl
Highest demand for flights based on searches. 7% potential increase in price ($65 potential increase over avg. RT price).
Cheapest flight prices on average. 3% potential price decrease ($31 potential savings vs. average RT price).
Average for round-trip flights in March 2026

Cheapflights Fare Finder

 
Customize your flight search to find flights from Argentina 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 March 22, 2026.
Use the filters below to find and compare flights from Argentina to Washington, D.C. Dulles Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

CordobaWashington, D.C.

COR - IAD

CORIAD

Cordoba Pajas Blancas

Wed 5/20

5:49 am-12:33 am

1 stop19h 44m

Washington, D.C. Dulles Intl

Wed 6/10

6:25 am-6:55 am

1 stop23h 30m

$747

CordobaWashington, D.C.

COR - IAD

CORIAD

Cordoba Pajas Blancas

Sun 5/3

5:49 am-12:33 am

1 stop19h 44m

Washington, D.C. Dulles Intl

Sat 5/9

2:21 am-2:22 am

1 stop23h 01m

$747

Buenos AiresWashington, D.C.

EZE - IAD

EZEIAD

Buenos Aires Ministro Pistarini

Wed 4/22

4:50 pm-2:15 pm

1 stop22h 25m

Washington, D.C. Dulles Intl

Tue 5/5

4:10 am-12:25 am

2 stops19h 15m

$755

CordobaWashington, D.C.

COR - IAD

CORIAD

Cordoba Pajas Blancas

Wed 5/20

7:25 am-2:45 am

2 stops20h 20m

Washington, D.C. Dulles Intl

Wed 6/10

3:35 pm-6:20 am

1 stop13h 45m

$757

CordobaWashington, D.C.

COR - IAD

CORIAD

Cordoba Pajas Blancas

Sun 5/3

7:25 am-2:15 pm

1 stop31h 50m

Washington, D.C. Dulles Intl

Sun 5/10

4:10 am-6:20 am

2 stops25h 10m

$776

Buenos AiresWashington, D.C.

EZE - IAD

EZEIAD

Buenos Aires Ministro Pistarini

Tue 6/2

4:50 pm-5:20 am

1 stop13h 30m

Washington, D.C. Dulles Intl

Sun 6/14

4:38 pm-2:30 am

1 stop32h 52m

$792

Buenos AiresWashington, D.C.

EZE - IAD

EZEIAD

Buenos Aires Ministro Pistarini

Thu 6/4

5:25 am-4:21 am

1 stop23h 56m

Washington, D.C. Dulles Intl

Sun 6/14

2:21 am-12:52 am

1 stop21h 31m

$801

Buenos AiresWashington, D.C.

EZE - IAD

EZEIAD

Buenos Aires Ministro Pistarini

Wed 4/1

2:57 pm-4:22 am

1 stop14h 25m

Washington, D.C. Dulles Intl

Sat 4/18

2:21 am-10:25 pm

1 stop19h 04m

$801
Quickest round-trip

Buenos AiresWashington, D.C.

EZE - IAD

EZEIAD

Buenos Aires Ministro Pistarini

Tue 6/2

8:10 pm-11:39 am

1 stop16h 29m

Washington, D.C. Dulles Intl

Mon 6/15

5:25 pm-9:20 am

2 stops14h 55m

$804

Buenos AiresWashington, D.C.

EZE - IAD

EZEIAD

Buenos Aires Ministro Pistarini

Tue 6/2

8:10 pm-4:37 pm

1 stop21h 27m

Washington, D.C. Dulles Intl

Sun 6/14

3:08 pm-9:20 am

2 stops17h 12m

$804

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/20

Showing 1-10 of 60 resultsSorted by cheapest first
1
2
3
...
6

Best time to book a flight from Argentina to Dulles Intl

Have a flexible travel schedule? Discover the best time to fly to Dulles Intl from Argentina 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 Argentina to Washington, D.C. Dulles Intl Airport
No data available for this route at this time. Please check back soon.

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 March 22, 2026.
Read through reviews of airlines operating flights from Argentina to Washington, D.C. Dulles Intl Airport, such as Delta,Copa Airlines, andAvianca. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Overall

7.9

Comfort

7.9

Entertainment

7.8

Food

7.2

Crew

8.5

Boarding

8.1

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Overall

7.9

Comfort

7.9

Entertainment

7.8

Food

7.2

Crew

8.5

Boarding

8.1

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Overall

7.9

Comfort

7.9

Entertainment

7.8

Food

7.2

Crew

8.5

Boarding

8.1

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Overall

7.9

Comfort

7.9

Entertainment

7.8

Food

7.2

Crew

8.5

Boarding

8.1

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Related info for your journey

Find useful and relevant information for your journey from Argentina to Dulles Intl. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • How long is the flight from Argentina to Washington, D.C. Dulles Intl Airport?

    There are many flights that can get you from Argentina to Washington, D.C. Dulles Intl Airport in 16h 29m. Fly via Copa Airlines, Avianca, or Delta to get the fastest option. Argentina and Washington, D.C. Dulles Intl Airport are separated by a distance of 5235 mi. This flight may include one or multiple stops.

  • What are the cheapest airlines to fly from Argentina to Washington, D.C. Dulles Intl Airport one-way?

    To fly one-way, consider booking your trip with Copa Airlines, which is currently one of the cheapest options available, starting at $355. Avianca flights start at $375 while deals on Delta start at $455 one-way.

  • What are the most popular routes from Argentina to Washington, D.C. Dulles Intl Airport?

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Argentina 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.

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
Owings Mills
Arlington
Springfield
Silver Spring
Herndon
Hyattsville
Hanover
Laurel
Rockville
Upper Marlboro
Fredericksburg
Largo
Bowie
Clinton
Towson
College Park
Cordova

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.

Top 3 airlines flying from Argentina to Dulles Intl

Discover the top 3 airlines that operate flights from Argentina 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 March 22, 2026.
AirlineCheapestAverageFlexibilityOn-time
AviancaCheapest$252Average$689FlexibilityNo cancel feeOn-time71%
DeltaCheapest$270Average$1,033FlexibilityNo cancel feeOn-timeN/A
Copa AirlinesCheapest$378Average$692FlexibilityNo 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.