Argentina

$290+ 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 8/28. Fares are subject to change and may not be available on all flights or dates of travel.
WAS — EZE
Jul 24 — Jul 311
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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 June 24, 2026.

This Copa Airlines deal was found by Cheapflights users on 6/19. 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.
Sat 7/46:25 am
IAD
-
EZE
1 stop20h 50m
Copa Airlines
Tue 7/73:48 am
EZE
-
IAD
1 stop25h 33m
Copa Airlines
Deal found 6/19$655
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/116:00 am
IAD
-
EZE
1 stop26h 45m
Delta
Mon 7/278:10 pm
EZE
-
IAD
1 stop29h 31m
Delta
Deal found 6/20$657
This American 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/97:58 pm
DCA
-
EZE
1 stop14h 07m
American Airlines
Mon 7/1310:00 pm
EZE
-
DCA
1 stop15h 42m
American Airlines
Deal found 6/23$657
This Delta deal was found by Cheapflights users on 6/21. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/1210:16 am
DCA
-
EZE
1 stop22h 29m
Delta
Mon 7/271:10 pm
EZE
-
DCA
1 stop25h 55m
Delta
Deal found 6/21$658
This LATAM Airlines deal was found by Cheapflights users on 6/21. 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 LATAM Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/82:03 pm
BWI
-
EZE
1 stop18h 42m
LATAM Airlines
Thu 10/81:10 pm
EZE
-
BWI
2 stops24h 54m
LATAM Airlines
Deal found 6/21$666
This United Airlines deal was found by Cheapflights users on 6/21. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/66:20 am
IAD
-
EZE
1 stop24h 40m
United Airlines
Thu 7/99:00 pm
EZE
-
IAD
1 stop24h 46m
United Airlines
Deal found 6/21$667
This American 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/87:30 am
BWI
-
EZE
1 stop22h 45m
American Airlines
Mon 7/1310:00 pm
EZE
-
BWI
1 stop22h 24m
American Airlines
Deal found 6/23$667
This United 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/198:20 am
DCA
-
EZE
1 stop22h 40m
United Airlines
Thu 7/309:00 pm
EZE
-
DCA
1 stop20h 03m
United Airlines
Deal found 6/23$667
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/83:02 pm
IAD
-
EZE
2 stops26h 48m
Delta
Tue 7/141:10 pm
EZE
-
IAD
2 stops25h 51m
Delta
Deal found 6/23$671
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/85:00 pm
BWI
-
EZE
2 stops24h 50m
Delta
Mon 7/138:10 pm
EZE
-
BWI
1 stop14h 14m
Delta
Deal found 6/23$671
This American 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/265:00 am
DCA
-
EZE
1 stop14h 15m
American Airlines
Sun 7/129:05 pm
EZE
-
DCA
1 stop14h 54m
American Airlines
Deal found 6/23$671
This Justfly.com 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/74:00 pm
IAD
-
EZE
2 stops16h 40m
LATAM Airlines
Wed 10/141:10 pm
EZE
-
IAD
2 stops23h 49m
LATAM Airlines
Deal found 6/20$672

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 June 24, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$655
(Copa Airlines)

One-way from

$290
(Kiwi.com)

Popular in

December

Cheapest in

August

Average price

$790
Provider with most accurate pricing for Washington, D.C. (WAS)-Buenos Aires (BUE) flight deals.
Provider most trusted by Cheapflights users for Washington, D.C. (WAS)-Buenos Aires (BUE) flights.
From Washington, D.C. (WAS) to Argentina
One-way flight from Washington, D.C. (WAS) to Argentina
Highest demand for flights based on searches. 11% potential increase in price ($106 potential increase over avg. RT price).
Cheapest flight prices on average. 3% potential price decrease ($26 potential savings vs. average RT price).
Average for round-trip flights in June 2026

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 June 24, 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

DCA - EZE

DCAEZE

Washington, D.C. Reagan-National

Sun 7/12

10:16 am-9:45 am

1 stop22h 29m

Buenos Aires Ministro Pistarini

Mon 7/27

1:10 pm-2:05 pm

1 stop25h 55m

$658

Washington, D.C.Buenos Aires

DCA - EZE

DCAEZE

Washington, D.C. Reagan-National

Sat 7/4

8:20 am-8:00 am

1 stop22h 40m

Buenos Aires Ministro Pistarini

Wed 7/8

9:00 pm-11:56 am

1 stop15h 56m

$667

Washington, D.C.Buenos Aires

IAD - EZE

IADEZE

Washington, D.C. Dulles Intl

Wed 7/8

8:40 am-8:00 am

1 stop22h 20m

Buenos Aires Ministro Pistarini

Tue 7/14

9:00 pm-12:31 am

1 stop28h 31m

$676

Washington, D.C.Buenos Aires

IAD - EZE

IADEZE

Washington, D.C. Dulles Intl

Fri 7/10

8:40 am-8:00 am

1 stop22h 20m

Buenos Aires Ministro Pistarini

Fri 7/31

9:00 pm-12:31 am

1 stop28h 31m

$676

Washington, D.C.Buenos Aires

DCA - EZE

DCAEZE

Washington, D.C. Reagan-National

Fri 7/10

7:15 am-8:00 am

2 stops23h 45m

Buenos Aires Ministro Pistarini

Fri 7/31

9:00 pm-10:15 pm

1 stop26h 15m

$676

BaltimoreBuenos Aires

BWI - EZE

BWIEZE

Baltimore/Washington

Tue 9/8

5:10 pm-9:45 am

1 stop15h 35m

Buenos Aires Ministro Pistarini

Tue 10/6

8:10 pm-9:16 am

1 stop14h 06m

$688

BaltimoreBuenos Aires

BWI - EZE

BWIEZE

Baltimore/Washington

Fri 8/14

2:18 pm-9:45 am

1 stop18h 27m

Buenos Aires Ministro Pistarini

Tue 8/25

8:10 pm-9:19 am

1 stop14h 09m

$688

BaltimoreBuenos Aires

BWI - EZE

BWIEZE

Baltimore/Washington

Tue 9/8

1:05 pm-8:00 am

1 stop17h 55m

Buenos Aires Ministro Pistarini

Thu 10/8

9:00 pm-11:56 am

1 stop15h 56m

$688

BaltimoreBuenos Aires

BWI - EZE

BWIEZE

Baltimore/Washington

Wed 11/18

12:45 pm-9:20 am

1 stop18h 35m

Buenos Aires Ministro Pistarini

Mon 11/23

11:55 pm-4:20 pm

1 stop18h 25m

$688

BaltimoreBuenos Aires

BWI - EZE

BWIEZE

Baltimore/Washington

Mon 9/14

3:04 pm-8:00 am

1 stop15h 56m

Buenos Aires Ministro Pistarini

Mon 9/21

9:00 pm-11:45 am

1 stop15h 45m

$688

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/21

Showing 1-10 of 60 resultsSorted by cheapest first
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6

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, April is the cheapest month in which you can book a flight from Washington, D.C. to Argentina (average of $229). Flying from Washington, D.C. to Argentina in December is currently the most expensive (average of $1,261). 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.

How far ahead should I book a flight from Washington, D.C. to Argentina?

Booking 13 days in advance of your planned departure date is, on average, the best time to get cheap flights from Washington, D.C. to Argentina. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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 June 24, 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.

Boarding

8.1

Food

7.2

Overall

7.8

Entertainment

7.8

Crew

8.5

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

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

Boarding

8.1

Food

7.2

Overall

7.8

Entertainment

7.8

Crew

8.5

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

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

Boarding

8.1

Food

7.2

Overall

7.8

Entertainment

7.8

Crew

8.5

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

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

Boarding

8.1

Food

7.2

Overall

7.8

Entertainment

7.8

Crew

8.5

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

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

Boarding

8.1

Food

7.2

Overall

7.8

Entertainment

7.8

Crew

8.5

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

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

Boarding

8.1

Food

7.2

Overall

7.8

Entertainment

7.8

Crew

8.5

Comfort

7.8

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 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?

    Delta, United Airlines, and Copa Airlines can get you from Washington, D.C. to Argentina in just under 20h 50m. Your travel time can differ by up to 1h 50m. 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 Delta ($260), American Airlines ($265), and United Airlines ($265).

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

  • 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, April is the cheapest month in which you can book a flight from Washington, D.C. to Argentina (average of $229). Flying from Washington, D.C. to Argentina in December is currently the most expensive (average of $1,261). 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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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 June 24, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$274Average$779FlexibilityNo cancel feeOn-timeN/A
LATAM AirlinesCheapest$278Average$786FlexibilityNo cancel feeOn-time81%
AviancaCheapest$280Average$950FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$328Average$786FlexibilityNo cancel feeOn-time69%
Copa AirlinesCheapest$336Average$891FlexibilityNo cancel feeOn-time70%
American AirlinesCheapest$599Average$840FlexibilityNo cancel feeOn-time71%

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