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$240+ Cheap flights from Washington, D.C. (WAS) 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 5/7. Fares are subject to change and may not be available on all flights or dates of travel.
WAS — EZE
Apr 14 — Apr 211
Tue 4/14
Tue 4/21
1 adult, Economy
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Cheap flight deals from Washington, D.C. to Argentina

Cheapest flights from Washington, D.C. to Argentina
Explore the most affordable flight options available from Washington, D.C. to Argentina. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 15, 2026.

This Copa Airlines deal was found by Cheapflights users on 3/13. 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.
Thu 5/72:21 am
IAD
-
EZE
1 stop19h 04m
Copa Airlines
Sat 5/162:49 pm
EZE
-
IAD
1 stop14h 32m
Copa Airlines
Deal found 3/13$589
This Copa Airlines deal was found by Cheapflights users on 3/12. 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.
Mon 5/114:36 pm
BWI
-
EZE
1 stop14h 19m
Copa Airlines
Sun 5/172:17 am
EZE
-
BWI
1 stop14h 00m
Copa Airlines
Deal found 3/12$589
This American Airlines deal was found by Cheapflights users on 3/11. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/33:26 pm
IAD
-
EZE
2 stops18h 39m
American Airlines
Tue 5/198:35 pm
EZE
-
IAD
2 stops19h 12m
American Airlines
Deal found 3/11$596
This United Airlines deal was found by Cheapflights users on 3/10. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/296:00 am
IAD
-
EZE
1 stop25h 00m
United Airlines
Wed 5/209:00 pm
EZE
-
IAD
1 stop22h 50m
United Airlines
Deal found 3/10$601
This United Airlines deal was found by Cheapflights users on 3/12. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/116:00 am
BWI
-
EZE
1 stop25h 00m
United Airlines
Thu 5/289:00 pm
EZE
-
BWI
1 stop20h 30m
United Airlines
Deal found 3/12$601
This United Airlines deal was found by Cheapflights users on 3/13. 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.
Wed 5/611:05 am
DCA
-
EZE
1 stop19h 55m
United Airlines
Mon 5/119:00 pm
EZE
-
DCA
1 stop25h 05m
United Airlines
Deal found 3/13$601
This American Airlines deal was found by Cheapflights users on 3/10. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/510:32 am
IAD
-
EZE
2 stops23h 33m
American Airlines
Tue 5/268:35 pm
EZE
-
IAD
2 stops17h 01m
American Airlines
Deal found 3/10$602
This Booking.com deal was found by Cheapflights users on 3/12. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/62:25 am
IAD
-
EZE
1 stop23h 05m
Copa Airlines
Thu 10/299:16 am
EZE
-
IAD
1 stop16h 14m
Copa Airlines
Deal found 3/12$603
This Gotogate deal was found by Cheapflights users on 3/13. 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 5/24:38 pm
IAD
-
EZE
1 stop31h 12m
Copa Airlines
Fri 5/152:49 pm
EZE
-
IAD
1 stop34h 44m
Copa Airlines
Deal found 3/13$605
This Copa Airlines deal was found by Cheapflights users on 3/13. 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 5/174:38 pm
IAD
-
EZE
1 stop14h 17m
Copa Airlines
Sun 5/315:25 am
EZE
-
IAD
1 stop20h 08m
Copa Airlines
Deal found 3/13$609
This Kiwi.com deal was found by Cheapflights users on 3/12. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/14:36 pm
BWI
-
EZE
1 stop14h 19m
Copa Airlines
Sun 5/102:49 pm
EZE
-
BWI
1 stop25h 28m
Copa Airlines
Deal found 3/12$610
This Gotogate deal was found by Cheapflights users on 3/14. 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 4/255:45 am
IAD
-
EZE
2 stops22h 55m
Avianca
Sat 5/27:10 am
EZE
-
IAD
1 stop32h 05m
Avianca
Deal found 3/14$612

Find flight deals from Washington, D.C. to Argentina

Keep the following information in mind while searching for Washington, D.C. to Argentina flight deals. Data was last updated March 15, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$589
(Copa Airlines)

One-way from

$240
(Kiwi.com)

Popular in

December

Cheapest in

August

Average price

$818
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. (WAS) to Argentina
Search Deals
One-way flight from Washington, D.C. (WAS) to Argentina
Search Deals
Highest demand for flights based on searches. 10% potential increase in price ($89 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($26 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Washington, D.C. 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 March 15, 2026.
Use the filters below to find and compare flights from Washington, D.C. to Argentina that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Washington, D.C.Buenos Aires

IAD - EZE

IADEZE

Washington, D.C. Dulles Intl

Sun 5/10

2:21 am-12:50 am

1 stop21h 29m

Buenos Aires Ministro Pistarini

Thu 5/28

9:02 am-12:33 am

1 stop16h 31m

$589

Washington, D.C.Buenos Aires

IAD - EZE

IADEZE

Washington, D.C. Dulles Intl

Wed 5/6

2:21 am-10:25 pm

1 stop19h 04m

Buenos Aires Ministro Pistarini

Wed 5/13

5:25 am-4:21 am

1 stop23h 56m

$589

Washington, D.C.Buenos Aires

IAD - EZE

IADEZE

Washington, D.C. Dulles Intl

Wed 4/29

6:00 am-8:00 am

1 stop25h 00m

Buenos Aires Ministro Pistarini

Wed 5/20

9:00 pm-6:50 pm

1 stop22h 50m

$601

Washington, D.C.Buenos Aires

DCA - EZE

DCAEZE

Washington, D.C. Reagan-National

Wed 5/6

2:35 pm-8:00 am

1 stop16h 25m

Buenos Aires Ministro Pistarini

Sun 5/17

9:00 pm-11:40 am

1 stop15h 40m

$601

Washington, D.C.Buenos Aires

DCA - EZE

DCAEZE

Washington, D.C. Reagan-National

Fri 5/8

12:40 pm-8:00 am

1 stop18h 20m

Buenos Aires Ministro Pistarini

Sun 5/17

9:00 pm-6:50 pm

1 stop22h 50m

$601

Washington, D.C.Buenos Aires

DCA - EZE

DCAEZE

Washington, D.C. Reagan-National

Sat 5/30

12:59 pm-8:00 am

1 stop18h 01m

Buenos Aires Ministro Pistarini

Tue 6/9

9:00 pm-1:57 pm

1 stop17h 57m

$601

Washington, D.C.Cordoba

DCA - COR

DCACOR

Washington, D.C. Reagan-National

Sat 4/25

6:00 am-3:51 am

2 stops20h 51m

Cordoba Pajas Blancas

Fri 5/1

3:32 am-8:20 am

2 stops29h 48m

$663

BaltimoreCordoba

BWI - COR

BWICOR

Baltimore/Washington

Mon 8/17

2:10 pm-8:26 pm

2 stops29h 16m

Cordoba Pajas Blancas

Wed 8/19

7:45 am-12:16 am

2 stops17h 31m

$671

Washington, D.C.Buenos Aires

DCA - EZE

DCAEZE

Washington, D.C. Reagan-National

Thu 4/30

1:40 pm-9:20 am

2 stops18h 40m

Buenos Aires Ministro Pistarini

Mon 5/11

8:10 pm-11:00 am

1 stop15h 50m

$683

Washington, D.C.Buenos Aires

DCA - EZE

DCAEZE

Washington, D.C. Reagan-National

Thu 4/30

8:30 am-8:00 am

1 stop22h 30m

Buenos Aires Ministro Pistarini

Sun 5/10

9:00 pm-9:05 pm

1 stop25h 05m

$694

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/14

Showing 1-10 of 60 resultsSorted by cheapest first
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Best time to book a flight from Washington, D.C. to Argentina

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

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

Currently, March is the cheapest month in which you can book a flight from Washington, D.C. to Argentina (average of $278). Flying from Washington, D.C. to Argentina in November is currently the most expensive (average of $633). 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 March 15, 2026.
Peruse reviews from past customers who have flown with Delta,Copa Airlines, andLATAM Airlines from Washington, D.C. to Argentina to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
8,293 reviews

Food

7.2

Overall

7.9

Crew

8.5

Entertainment

7.8

Comfort

7.9

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.
Delta
7.9
Good
8,293 reviews
Delta
7.9
Good
8,293 reviews

Food

7.2

Overall

7.9

Crew

8.5

Entertainment

7.8

Comfort

7.9

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.
Copa Airlines
7.5
Good
1,569 reviews
Delta
7.9
Good
8,293 reviews

Food

7.2

Overall

7.9

Crew

8.5

Entertainment

7.8

Comfort

7.9

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.
LATAM Airlines
7.4
Good
1,918 reviews
Delta
7.9
Good
8,293 reviews

Food

7.2

Overall

7.9

Crew

8.5

Entertainment

7.8

Comfort

7.9

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.
United Airlines
7.4
Good
9,427 reviews
Delta
7.9
Good
8,293 reviews

Food

7.2

Overall

7.9

Crew

8.5

Entertainment

7.8

Comfort

7.9

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.
American Airlines
7.1
Good
11,472 reviews
Delta
7.9
Good
8,293 reviews

Food

7.2

Overall

7.9

Crew

8.5

Entertainment

7.8

Comfort

7.9

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 Washington, D.C. 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. to Argentina?

    Copa Airlines, United Airlines, and LATAM Airlines can get you from Washington, D.C. to Argentina in just under 21h 29m. Your travel time can differ by up to 7h 47m. Washington, D.C. and Argentina are separated by a distance of 5235 mi. This flight may include one or multiple stops.

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

    The cheapest airlines for a one-way flight from Washington, D.C. to Argentina are Avianca ($258), American Airlines ($265), and United Airlines ($265).

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

    The most popular flight routes from Washington, D.C. to Argentina are Washington, D.C. Dulles Intl - Buenos Aires Ministro Pistarini, Baltimore/Washington - Buenos Aires Ministro Pistarini and Washington, D.C. Reagan-National - Buenos Aires Ministro Pistarini.

  • Can I find deals for flights from Washington, D.C. to Argentina that include hotel bookings?

    Yes. In addition to deals on Washington, D.C. to Argentina flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Washington, D.C. to Argentina?

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

  • Can I find deals for business class flights from Washington, D.C. to Argentina?

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

    Currently, March is the cheapest month in which you can book a flight from Washington, D.C. to Argentina (average of $278). Flying from Washington, D.C. to Argentina in November is currently the most expensive (average of $633). 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

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 6 airlines flying from Washington, D.C. to Argentina

Discover the top 6 airlines that operate flights from Washington, D.C. 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 March 15, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$274Average$825FlexibilityNo cancel feeOn-timeN/A
LATAM AirlinesCheapest$278Average$811FlexibilityNo cancel feeOn-time81%
AviancaCheapest$280Average$981FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$344Average$786FlexibilityNo cancel feeOn-time69%
Copa AirlinesCheapest$356Average$1,006FlexibilityNo cancel feeOn-time70%
American AirlinesCheapest$600Average$861FlexibilityNo cancel feeOn-time71%

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