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Argentina

$251+ Cheap flights from Dulles Intl (IAD) to Argentina

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 4/19. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — EZE
Mar 4 — Mar 111
Wed 3/4
Wed 3/11
1 adult, Economy
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Cheap flight deals from Dulles Intl to Argentina

Cheapest flights from Dulles Intl to Argentina
Explore the most affordable flight options available from Dulles Intl to Argentina. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 2, 2026.

This SmartFares deal was found by Cheapflights users on 2/1. 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.
Wed 3/184:35 pm
IAD
-
EZE
1 stop29h 23m
Copa Airlines
Wed 3/259:16 am
EZE
-
IAD
1 stop19h 59m
Copa Airlines
Deal found 2/1$600
This United Airlines deal was found by Cheapflights users on 2/1. 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 2/512:50 pm
IAD
-
EZE
1 stop16h 30m
United Airlines
Sat 2/710:05 pm
EZE
-
IAD
1 stop24h 44m
United Airlines
Deal found 2/1$601
This oojo deal was found by Cheapflights users on 2/1. 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.
Fri 4/36:50 am
IAD
-
EZE
1 stop21h 50m
Avianca
Thu 4/307:10 am
EZE
-
IAD
1 stop23h 10m
Avianca
Deal found 2/1$603
This American Airlines deal was found by Cheapflights users on 1/31. 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 2/211:34 am
IAD
-
EZE
2 stops19h 36m
American Airlines
Sun 2/810:25 pm
EZE
-
IAD
1 stop24h 52m
American Airlines
Deal found 1/31$605
This Priceline deal was found by Cheapflights users on 1/30. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/226:50 am
IAD
-
AEP
1 stop21h 50m
Avianca
Thu 4/307:00 am
AEP
-
IAD
1 stop23h 20m
Avianca
Deal found 1/30$606
This Flighttix deal was found by Cheapflights users on 1/31. 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 Flighttix is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/173:35 pm
IAD
-
EZE
1 stop13h 05m
Avianca
Thu 4/307:10 am
EZE
-
IAD
2 stops22h 10m
Avianca
Deal found 1/31$606
This KAYAK deal was found by Cheapflights users on 1/31. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/710:05 pm
IAD
-
EZE
1 stop32h 15m
Avianca
Thu 3/129:05 pm
EZE
-
IAD
1 stop15h 21m
Avianca
Deal found 1/31$607
This Avianca deal was found by Cheapflights users on 1/31. 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 5/53:35 pm
IAD
-
AEP
1 stop13h 05m
Avianca
Tue 5/197:00 am
AEP
-
IAD
2 stops20h 45m
Avianca
Deal found 1/31$608
This United Airlines deal was found by Cheapflights users on 2/1. 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 3/1910:05 pm
IAD
-
EZE
1 stop31h 15m
United Airlines
Thu 3/269:05 pm
EZE
-
IAD
1 stop15h 21m
United Airlines
Deal found 2/1$609
This Avianca deal was found by Cheapflights users on 2/1. 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 3/156:45 am
IAD
-
EZE
1 stop16h 50m
Avianca
Tue 3/314:50 pm
EZE
-
IAD
1 stop13h 30m
Avianca
Deal found 2/1$611
This United Airlines deal was found by Cheapflights users on 1/31. 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.
Sun 9/136:30 am
IAD
-
EZE
1 stop24h 30m
United Airlines
Tue 9/229:00 pm
EZE
-
IAD
1 stop26h 36m
United Airlines
Deal found 1/31$612
This Mytrip deal was found by Cheapflights users on 1/31. 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.
Wed 4/85:45 am
IAD
-
EZE
2 stops22h 55m
Avianca
Sat 4/187:10 am
EZE
-
IAD
1 stop23h 10m
Avianca
Deal found 1/31$614

Find flight deals from Dulles Intl to Argentina

Keep the following information in mind while searching for Dulles Intl to Argentina flight deals. Data was last updated February 2, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$600
(SmartFares)

One-way from

$251
(Avianca)

Popular in

December

Cheapest in

August

Average price

$885
Provider with most accurate pricing for Washington, D.C. (WAS)-Buenos Aires (BUE) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Washington, D.C. (WAS)-Buenos Aires (BUE) flights.
Search Deals
From Washington, D.C. Dulles Intl to Argentina
Search Deals
One-way flight from Washington, D.C. Dulles Intl to Argentina
Search Deals
Highest demand for flights based on searches. 9% potential increase in price ($88 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($25 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Dulles Intl to Argentina 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 February 2, 2026.
Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to Argentina that are best for you.

Fly from

Dulles Intl

Fly to

Argentina

Route

Depart

Return

Price

Washington, D.C.Buenos Aires

IAD - EZE

IADEZE

Washington, D.C. Dulles Intl

Sun 3/15

6:00 am-6:20 am

1 stop23h 20m

Buenos Aires Ministro Pistarini

Thu 3/26

9:05 pm-11:26 am

1 stop15h 21m

$601

Washington, D.C.Buenos Aires

IAD - EZE

IADEZE

Washington, D.C. Dulles Intl

Mon 3/2

8:15 am-9:20 am

1 stop23h 05m

Buenos Aires Ministro Pistarini

Mon 3/9

10:55 pm-10:36 pm

1 stop24h 41m

$601

Washington, D.C.Buenos Aires

IAD - EZE

IADEZE

Washington, D.C. Dulles Intl

Tue 2/24

8:15 am-7:20 am

1 stop21h 05m

Buenos Aires Ministro Pistarini

Wed 3/4

11:55 pm-10:36 pm

1 stop24h 41m

$601

Washington, D.C.Buenos Aires

IAD - EZE

IADEZE

Washington, D.C. Dulles Intl

Tue 5/26

2:21 am-10:25 pm

1 stop19h 04m

Buenos Aires Ministro Pistarini

Mon 6/1

9:02 am-4:21 am

1 stop20h 19m

$609

Washington, D.C.Buenos Aires

IAD - EZE

IADEZE

Washington, D.C. Dulles Intl

Sun 4/5

2:21 am-10:25 pm

1 stop19h 04m

Buenos Aires Ministro Pistarini

Sun 4/19

2:57 pm-4:22 am

1 stop14h 25m

$609

Washington, D.C.Buenos Aires

IAD - EZE

IADEZE

Washington, D.C. Dulles Intl

Sun 4/19

9:32 am-12:50 am

1 stop14h 18m

Buenos Aires Ministro Pistarini

Mon 4/27

5:34 am-4:22 am

1 stop23h 48m

$609

Washington, D.C.Buenos Aires

IAD - EZE

IADEZE

Washington, D.C. Dulles Intl

Wed 3/18

10:05 pm-8:20 am

1 stop33h 15m

Buenos Aires Ministro Pistarini

Tue 3/24

9:05 pm-11:26 am

1 stop15h 21m

$609

Washington, D.C.Buenos Aires

IAD - EZE

IADEZE

Washington, D.C. Dulles Intl

Sat 6/13

2:21 am-2:30 am

1 stop23h 09m

Buenos Aires Ministro Pistarini

Sun 6/28

2:49 pm-4:21 am

1 stop14h 32m

$609

Washington, D.C.Buenos Aires

IAD - EZE

IADEZE

Washington, D.C. Dulles Intl

Thu 3/19

10:05 pm-8:20 am

1 stop33h 15m

Buenos Aires Ministro Pistarini

Mon 3/23

9:05 pm-11:28 am

1 stop15h 23m

$609

Washington, D.C.Buenos Aires

IAD - EZE

IADEZE

Washington, D.C. Dulles Intl

Thu 4/9

9:32 am-2:30 am

1 stop15h 58m

Buenos Aires Ministro Pistarini

Mon 4/13

9:11 am-4:22 am

1 stop20h 11m

$609

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/1

Showing 1-10 of 60 results
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Best time to book a flight from Dulles Intl to Argentina

Have a flexible travel schedule? Discover the best time to fly to Argentina from Dulles Intl 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 Washington, D.C. Dulles Intl Airport to Argentina

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

Currently, April is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Argentina (average of $326). Flying from Washington, D.C. Dulles Intl Airport to Argentina in June is currently the most expensive (average of $783). 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 Argentina

Get insights into the airlines that provide service to Argentina. 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 Argentina. Reviews last updated February 2, 2026.
Read through reviews of airlines operating flights from Washington, D.C. Dulles Intl Airport to Argentina, such as Delta, LATAM Airlines, and Copa Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
8,132 reviews

Overall

7.9

Crew

8.5

Boarding

8.1

Comfort

7.9

Food

7.2

Entertainment

7.8

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.
Delta
7.9
Good
8,132 reviews
Delta
7.9
Good
8,132 reviews

Overall

7.9

Crew

8.5

Boarding

8.1

Comfort

7.9

Food

7.2

Entertainment

7.8

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.
LATAM Airlines
7.5
Good
1,918 reviews
Delta
7.9
Good
8,132 reviews

Overall

7.9

Crew

8.5

Boarding

8.1

Comfort

7.9

Food

7.2

Entertainment

7.8

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.
Copa Airlines
7.5
Good
1,559 reviews
Delta
7.9
Good
8,132 reviews

Overall

7.9

Crew

8.5

Boarding

8.1

Comfort

7.9

Food

7.2

Entertainment

7.8

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.
United Airlines
7.4
Good
9,231 reviews
Delta
7.9
Good
8,132 reviews

Overall

7.9

Crew

8.5

Boarding

8.1

Comfort

7.9

Food

7.2

Entertainment

7.8

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.
Avianca
6.5
Okay
2,496 reviews
Delta
7.9
Good
8,132 reviews

Overall

7.9

Crew

8.5

Boarding

8.1

Comfort

7.9

Food

7.2

Entertainment

7.8

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 Dulles Intl to Argentina. 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 Washington, D.C. Dulles Intl Airport to Argentina?

    Departing from Washington, D.C. Dulles Intl Airport to Argentina will take you 21h 55m. The distance from Washington, D.C. Dulles Intl Airport to Argentina is about 5219 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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

    $258 is the cheapest one-way deal found within the past few days, from Avianca. You may also be able to find cheap deals on Copa Airlines and Delta, with prices starting from $266 and $270, respectively.

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

    Most travelers choose Washington, D.C. Dulles Intl - Buenos Aires Ministro Pistarini, Washington, D.C. Dulles Intl - Buenos Aires Jorge Newbery or Washington, D.C. Dulles Intl - Cordoba Pajas Blancas when deciding on the best route from Washington, D.C. Dulles Intl Airport to Argentina.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Dulles Intl to Argentina 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 Washington, D.C. Dulles Intl Airport to Argentina?

    Currently, April is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Argentina (average of $326). Flying from Washington, D.C. Dulles Intl Airport to Argentina in June is currently the most expensive (average of $783). 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

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Alternative routes for Dulles Intl to Argentina

See prices for flight routes from nearby airports that may be better suited for you.
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Dulles Intl to Bogotá flights
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Baltimore to Rio de Janeiro–Galeão Intl flights
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Reagan-National to Rio de Janeiro–Galeão Intl flights
Reagan-National to Guarulhos Intl flights
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Baltimore to Cartagena flights
Baltimore to Guarulhos Intl flights
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Dulles Intl to Viracopos flights
Baltimore to Ministro Pistarini flights
Dulles Intl to Quito flights
Baltimore to Bogotá flights
Reagan-National to Bogotá flights
Dulles Intl to Jorge Newbery flights
Reagan-National to Ministro Pistarini flights
Dulles Intl to Santa Cruz de la Sierra flights
Dulles Intl to Santiago flights
Reagan-National to Viracopos flights
Baltimore to Santiago flights
Reagan-National to Santiago flights
Reagan-National to Quito flights
Baltimore to Quito flights
Dulles Intl to Barranquilla flights
Reagan-National to Santa Cruz de la Sierra flights
Dulles Intl to Montevideo flights
Reagan-National to Georgetown flights
Dulles Intl to Cuzco flights
Dulles Intl to La Paz flights
Dulles Intl to Georgetown flights
Baltimore to Barranquilla flights
Baltimore to Cuzco flights
Dulles Intl to Cali flights
Dulles Intl to Guayaquil flights
Reagan-National to Montevideo flights

Top 5 airlines flying from Dulles Intl to Argentina

Discover the top 5 airlines that operate flights from Dulles Intl to Argentina. 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 February 2, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$274Average$866FlexibilityNo cancel feeOn-timeN/A
AviancaCheapest$280Average$980FlexibilityNo cancel feeOn-time71%
Copa AirlinesCheapest$617Average$1,093FlexibilityNo cancel feeOn-time70%
United AirlinesCheapest$629Average$769FlexibilityNo cancel feeOn-time69%
LATAM AirlinesCheapest$635Average$863FlexibilityNo cancel feeOn-time81%

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