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Dulles Intl

$352+ 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 7/13. Fares are subject to change and may not be available on all flights or dates of travel.
EZE — IAD
Jul 24 — Jul 311
Fri 7/24
Fri 7/31
1 adult, Economy
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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 June 24, 2026.

This American Airlines deal was found by Cheapflights users on 6/24. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/49:05 pm
EZE
-
IAD
2 stops20h 59m
American Airlines
Thu 8/2010:27 am
IAD
-
EZE
2 stops21h 18m
American Airlines
Deal found 6/24$616
This Avianca deal was found by Cheapflights users on 6/24. 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.
Sun 11/151:40 am
EZE
-
IAD
1 stop13h 35m
Avianca
Sun 11/292:35 pm
IAD
-
EZE
1 stop13h 15m
Avianca
Deal found 6/24$626
This Avianca deal was found by Cheapflights users on 6/23. 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.
Wed 8/51:35 am
EZE
-
IAD
1 stop13h 40m
Avianca
Mon 8/246:50 am
IAD
-
EZE
1 stop16h 35m
Avianca
Deal found 6/23$628
This Avianca deal was found by Cheapflights users on 6/22. 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 Avianca is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/97:00 am
AEP
-
IAD
2 stops20h 45m
Avianca
Sun 10/183:35 pm
IAD
-
AEP
1 stop13h 05m
Avianca
Deal found 6/22$630
This Copa Airlines deal was found by Cheapflights users on 6/23. 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 11/1012:06 am
EZE
-
IAD
1 stop25h 27m
Copa Airlines
Sun 11/221:16 am
IAD
-
EZE
1 stop24h 59m
Copa Airlines
Deal found 6/23$631
This American Airlines deal was found by Cheapflights users on 6/22. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/610:00 pm
EZE
-
IAD
1 stop25h 52m
American Airlines
Tue 7/216:33 am
IAD
-
EZE
2 stops25h 17m
American Airlines
Deal found 6/22$633
This SmartFares deal was found by Cheapflights users on 6/22. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/27:30 am
EZE
-
IAD
1 stop31h 45m
Avianca
Tue 11/102:35 pm
IAD
-
EZE
1 stop23h 15m
Avianca
Deal found 6/22$640
This United Airlines deal was found by Cheapflights users on 6/20. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/1210:05 pm
EZE
-
IAD
1 stop15h 20m
United Airlines
Sat 11/1412:57 pm
IAD
-
EZE
1 stop16h 23m
United Airlines
Deal found 6/20$644
This Gotogate deal was found by Cheapflights users on 6/20. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/107:10 am
EZE
-
IAD
1 stop23h 10m
Avianca
Thu 9/173:35 pm
IAD
-
EZE
1 stop23h 05m
Avianca
Deal found 6/20$649
This Mytrip deal was found by Cheapflights users on 6/22. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/137:00 am
AEP
-
IAD
1 stop32h 15m
Avianca
Tue 10/203:35 pm
IAD
-
AEP
1 stop13h 05m
Avianca
Deal found 6/22$650
This oojo deal was found by Cheapflights users on 6/22. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/107:00 am
AEP
-
IAD
1 stop23h 20m
Avianca
Thu 9/173:35 pm
IAD
-
AEP
1 stop13h 05m
Avianca
Deal found 6/22$653
This FlightHub deal was found by Cheapflights users on 6/20. 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.
Tue 11/101:40 am
EZE
-
IAD
1 stop13h 35m
Avianca
Sat 11/142:35 pm
IAD
-
EZE
1 stop13h 15m
Avianca
Deal found 6/20$654

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 June 24, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$616
(American Airlines)

One-way from

$352
(American Airlines)

Popular in

February

Cheapest in

March

Average price

$716
Provider with most accurate pricing for Buenos Aires (BUE)-Washington, D.C. (WAS) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Buenos Aires (BUE)-Washington, D.C. (WAS) flights.
Search Deals
From Argentina to Washington, D.C. Dulles Intl
Search Deals
One-way flight from Argentina to Washington, D.C. Dulles Intl
Search Deals
Highest demand for flights based on searches. 1% potential increase in price ($14 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($21 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 2026
Search Deals

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 June 24, 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
Quickest round-trip

Buenos AiresWashington, D.C.

EZE - IAD

EZEIAD

Buenos Aires Ministro Pistarini

Sun 11/15

1:40 am-1:15 pm

1 stop13h 35m

Washington, D.C. Dulles Intl

Sun 11/29

2:35 pm-5:50 am

1 stop13h 15m

$626

Buenos AiresWashington, D.C.

EZE - IAD

EZEIAD

Buenos Aires Ministro Pistarini

Tue 7/7

8:59 am-4:21 am

1 stop20h 22m

Washington, D.C. Dulles Intl

Tue 10/6

2:25 am-4:36 am

1 stop25h 11m

$631

Buenos AiresWashington, D.C.

EZE - IAD

EZEIAD

Buenos Aires Ministro Pistarini

Fri 11/13

10:05 pm-11:25 am

1 stop15h 20m

Washington, D.C. Dulles Intl

Mon 11/23

6:00 am-7:20 am

1 stop23h 20m

$644

Buenos AiresWashington, D.C.

EZE - IAD

EZEIAD

Buenos Aires Ministro Pistarini

Wed 11/18

10:05 pm-11:25 am

1 stop15h 20m

Washington, D.C. Dulles Intl

Wed 12/2

1:00 pm-7:20 am

1 stop16h 20m

$644

Buenos AiresWashington, D.C.

EZE - IAD

EZEIAD

Buenos Aires Ministro Pistarini

Thu 11/12

10:05 pm-11:25 am

1 stop15h 20m

Washington, D.C. Dulles Intl

Sat 11/14

12:57 pm-7:20 am

1 stop16h 23m

$644

Buenos AiresWashington, D.C.

EZE - IAD

EZEIAD

Buenos Aires Ministro Pistarini

Thu 11/12

10:05 pm-11:25 am

1 stop15h 20m

Washington, D.C. Dulles Intl

Mon 11/16

2:48 pm-7:20 am

1 stop14h 32m

$644

Buenos AiresWashington, D.C.

EZE - IAD

EZEIAD

Buenos Aires Ministro Pistarini

Tue 7/14

2:17 am-1:47 am

1 stop24h 30m

Washington, D.C. Dulles Intl

Sun 8/16

6:26 am-4:36 am

1 stop21h 10m

$655

Buenos AiresWashington, D.C.

EZE - IAD

EZEIAD

Buenos Aires Ministro Pistarini

Tue 9/8

5:25 am-4:20 am

1 stop23h 55m

Washington, D.C. Dulles Intl

Tue 9/22

4:34 pm-7:57 am

1 stop14h 23m

$656

Buenos AiresWashington, D.C.

EZE - IAD

EZEIAD

Buenos Aires Ministro Pistarini

Sun 9/13

5:25 am-4:20 am

1 stop23h 55m

Washington, D.C. Dulles Intl

Tue 10/13

4:34 pm-12:51 am

1 stop31h 17m

$656

Buenos AiresWashington, D.C.

AEP - IAD

AEPIAD

Buenos Aires Jorge Newbery

Sun 10/4

7:00 am-3:55 pm

2 stops33h 55m

Washington, D.C. Dulles Intl

Sun 10/25

5:15 pm-5:40 am

2 stops35h 25m

$670

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/20

Showing 1-10 of 56 resultsSorted by cheapest first
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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

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

Currently, December is the cheapest month in which you can book a flight from Argentina to Washington, D.C. Dulles Intl Airport (average of $232). Flying from Argentina to Washington, D.C. Dulles Intl Airport in February is currently the most expensive (average of $777). 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 June 24, 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.
Delta
7.8
Good
8,431 reviews

Crew

8.5

Boarding

8.1

Entertainment

7.8

Comfort

7.8

Food

7.2

Overall

7.8

Reviews

1 / 20
8.0
Excellent

Rakshith,May 2026

TPE - SEA

I got middle seat, but it was cheap $340 for Taipei to PDX ,
Delta
7.8
Good
8,431 reviews
Delta
7.8
Good
8,431 reviews

Crew

8.5

Boarding

8.1

Entertainment

7.8

Comfort

7.8

Food

7.2

Overall

7.8

Reviews

1 / 20
8.0
Excellent

Rakshith,May 2026

TPE - SEA

I got middle seat, but it was cheap $340 for Taipei to PDX ,
Copa Airlines
7.6
Good
1,568 reviews
Delta
7.8
Good
8,431 reviews

Crew

8.5

Boarding

8.1

Entertainment

7.8

Comfort

7.8

Food

7.2

Overall

7.8

Reviews

1 / 20
8.0
Excellent

Rakshith,May 2026

TPE - SEA

I got middle seat, but it was cheap $340 for Taipei to PDX ,
Avianca
6.5
Okay
2,534 reviews
Delta
7.8
Good
8,431 reviews

Crew

8.5

Boarding

8.1

Entertainment

7.8

Comfort

7.8

Food

7.2

Overall

7.8

Reviews

1 / 20
8.0
Excellent

Rakshith,May 2026

TPE - SEA

I got middle seat, but it was cheap $340 for Taipei to PDX ,

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 13h 35m. Fly via Avianca, Copa Airlines, or United Airlines 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 $356. 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?

    While some choose either Buenos Aires Jorge Newbery - Washington, D.C. Dulles Intl or Cordoba Pajas Blancas - Washington, D.C. Dulles Intl, Buenos Aires Ministro Pistarini - Washington, D.C. Dulles Intl is the most popular route 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.

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

    Currently, December is the cheapest month in which you can book a flight from Argentina to Washington, D.C. Dulles Intl Airport (average of $232). Flying from Argentina to Washington, D.C. Dulles Intl Airport in February is currently the most expensive (average of $777). 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
Arlington
Tysons
Owings Mills
Springfield
Lanham
Reston
Herndon
Rockville
Hyattsville
Falls Church
Laurel
Fredericksburg
Hanover
Chantilly
Manassas
Waldorf
Silver Spring
Largo
Clinton

Browse thousands of different options on Cheapflights for your next trip

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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 June 24, 2026.
AirlineCheapestAverageFlexibilityOn-time
AviancaCheapest$232Average$695FlexibilityNo cancel feeOn-time71%
DeltaCheapest$344Average$1,033FlexibilityNo cancel feeOn-timeN/A
Copa AirlinesCheapest$378Average$656FlexibilityNo cancel feeOn-time70%

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