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Dulles Intl

$358+ 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 9/26. Fares are subject to change and may not be available on all flights or dates of travel.
EZE — IAD
Jun 11 — Jun 181
Thu 6/11
Thu 6/18
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 May 12, 2026.

This Cheapflightsfares deal was found by Cheapflights users on 5/12. 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.
Sun 9/274:50 pm
EZE
-
IAD
1 stop22h 25m
Avianca
Sat 10/105:35 pm
IAD
-
EZE
2 stops21h 05m
Avianca
Deal found 5/12$675
This Copa Airlines deal was found by Cheapflights users on 5/12. 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 9/272:49 pm
EZE
-
IAD
1 stop14h 31m
Copa Airlines
Sat 10/109:35 am
IAD
-
EZE
1 stop17h 46m
Copa Airlines
Deal found 5/12$685
This Kiwi.com deal was found by Cheapflights users on 5/11. 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.
Tue 9/81:35 am
EZE
-
IAD
1 stop13h 40m
Avianca
Tue 9/223:35 pm
IAD
-
EZE
1 stop13h 05m
Avianca
Deal found 5/11$691
This Cheapflightsfares deal was found by Cheapflights users on 5/12. 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.
Sun 9/277:00 am
AEP
-
IAD
1 stop23h 20m
Avianca
Sat 10/105:45 am
IAD
-
AEP
2 stops22h 55m
Avianca
Deal found 5/12$695
This PocketFare deal was found by Cheapflights users on 5/12. 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 PocketFare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/69:02 am
EZE
-
IAD
1 stop16h 31m
Copa Airlines
Fri 6/196:25 am
IAD
-
EZE
1 stop19h 05m
Copa Airlines
Deal found 5/12$697
This Avianca deal was found by Cheapflights users on 5/12. 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 9/291:35 am
EZE
-
IAD
1 stop13h 40m
Avianca
Mon 10/125:35 pm
IAD
-
EZE
2 stops29h 50m
Avianca
Deal found 5/12$699
This Rumbo deal was found by Cheapflights users on 5/11. 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 Rumbo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/97:00 am
AEP
-
IAD
1 stop23h 20m
Avianca
Wed 9/233:35 pm
IAD
-
AEP
1 stop13h 05m
Avianca
Deal found 5/11$704
This Avianca deal was found by Cheapflights users on 5/12. 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 9/247:00 am
AEP
-
IAD
1 stop23h 20m
Avianca
Wed 10/73:35 pm
IAD
-
AEP
1 stop13h 05m
Avianca
Deal found 5/12$706
This eDestinos deal was found by Cheapflights users on 5/11. 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/97:10 am
EZE
-
IAD
2 stops20h 35m
Avianca
Wed 9/236:50 am
IAD
-
EZE
1 stop16h 35m
Avianca
Deal found 5/11$709
This Avianca deal was found by Cheapflights users on 5/12. 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 10/17:10 am
EZE
-
IAD
2 stops22h 10m
Avianca
Sat 10/104:10 am
IAD
-
EZE
2 stops24h 30m
Avianca
Deal found 5/12$714
This Avianca deal was found by Cheapflights users on 5/12. 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.
Sat 5/304:50 pm
EZE
-
IAD
1 stop13h 30m
Avianca
Sun 8/303:35 pm
IAD
-
EZE
1 stop13h 05m
Avianca
Deal found 5/12$716
This oojo deal was found by Cheapflights users on 5/12. 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.
Wed 5/279:02 am
EZE
-
IAD
1 stop31h 03m
Copa Airlines
Wed 6/36:25 am
IAD
-
EZE
1 stop17h 27m
Copa Airlines
Deal found 5/12$718

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 May 12, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$675
(Cheapflightsfares)

One-way from

$358
(Avianca)

Popular in

July

Cheapest in

March

Average price

$812
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. 3% potential increase in price ($26 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($23 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in May 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 May 12, 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

Wed 6/10

8:10 pm-9:21 am

1 stop14h 11m

Washington, D.C. Dulles Intl

Sat 7/11

5:25 pm-9:45 am

1 stop15h 20m

$750

Buenos AiresWashington, D.C.

EZE - IAD

EZEIAD

Buenos Aires Ministro Pistarini

Wed 6/10

9:00 pm-11:28 am

1 stop15h 28m

Washington, D.C. Dulles Intl

Wed 6/17

12:50 pm-8:00 am

1 stop18h 10m

$759

Buenos AiresWashington, D.C.

EZE - IAD

EZEIAD

Buenos Aires Ministro Pistarini

Wed 6/10

9:00 pm-11:28 am

1 stop15h 28m

Washington, D.C. Dulles Intl

Sat 7/11

6:30 am-8:00 am

1 stop24h 30m

$759

Buenos AiresWashington, D.C.

EZE - IAD

EZEIAD

Buenos Aires Ministro Pistarini

Thu 7/16

2:49 pm-4:21 am

1 stop14h 32m

Washington, D.C. Dulles Intl

Wed 8/12

6:26 am-4:20 am

1 stop20h 54m

$772

Buenos AiresWashington, D.C.

EZE - IAD

EZEIAD

Buenos Aires Ministro Pistarini

Mon 6/1

2:49 pm-4:21 am

1 stop14h 32m

Washington, D.C. Dulles Intl

Thu 7/2

6:25 am-4:15 am

1 stop20h 50m

$772

Buenos AiresWashington, D.C.

EZE - IAD

EZEIAD

Buenos Aires Ministro Pistarini

Fri 6/5

5:25 am-4:21 am

1 stop23h 56m

Washington, D.C. Dulles Intl

Sat 6/27

2:21 am-2:30 am

1 stop23h 09m

$772

Buenos AiresWashington, D.C.

EZE - IAD

EZEIAD

Buenos Aires Ministro Pistarini

Wed 7/8

9:02 am-4:21 am

1 stop20h 19m

Washington, D.C. Dulles Intl

Thu 8/13

2:25 am-10:26 pm

1 stop19h 01m

$797

CordobaWashington, D.C.

COR - IAD

CORIAD

Cordoba Pajas Blancas

Thu 6/4

7:03 am-12:33 am

1 stop18h 30m

Washington, D.C. Dulles Intl

Fri 6/19

6:25 am-2:22 am

1 stop18h 57m

$801

Buenos AiresWashington, D.C.

EZE - IAD

EZEIAD

Buenos Aires Ministro Pistarini

Thu 8/6

9:02 am-12:33 am

1 stop16h 31m

Washington, D.C. Dulles Intl

Wed 8/19

2:25 am-12:51 am

1 stop21h 26m

$831

Buenos AiresWashington, D.C.

EZE - IAD

EZEIAD

Buenos Aires Ministro Pistarini

Mon 6/22

10:40 pm-4:47 pm

2 stops19h 07m

Washington, D.C. Dulles Intl

Mon 6/29

3:02 pm-9:40 am

2 stops17h 38m

$845

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/12

Showing 1-10 of 60 resultsSorted by cheapest first
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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

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 May 12, 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
7.9
Good
8,450 reviews

Entertainment

7.8

Boarding

8.1

Comfort

7.8

Overall

7.9

Crew

8.5

Food

7.2

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional
Delta
7.9
Good
8,450 reviews
Delta
7.9
Good
8,450 reviews

Entertainment

7.8

Boarding

8.1

Comfort

7.8

Overall

7.9

Crew

8.5

Food

7.2

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional
Copa Airlines
7.5
Good
1,584 reviews
Delta
7.9
Good
8,450 reviews

Entertainment

7.8

Boarding

8.1

Comfort

7.8

Overall

7.9

Crew

8.5

Food

7.2

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional
Avianca
6.5
Okay
2,523 reviews
Delta
7.9
Good
8,450 reviews

Entertainment

7.8

Boarding

8.1

Comfort

7.8

Overall

7.9

Crew

8.5

Food

7.2

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional

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 14h 11m. Fly via Delta, United Airlines, or Copa 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 $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?

    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
Tysons
Owings Mills
Springfield
Arlington
Herndon
Rockville
Hyattsville
Manassas
Fredericksburg
Silver Spring
Hanover
Laurel
Woodbridge
Waldorf
Largo
Clinton
Hunt Valley
Cordova
Reston

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 May 12, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$344Average$1,033FlexibilityNo cancel feeOn-timeN/A
Copa AirlinesCheapest$378Average$692FlexibilityNo cancel feeOn-time70%
AviancaCheapest$617Average$686FlexibilityNo cancel feeOn-time71%

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