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$265+ 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 8/27. Fares are subject to change and may not be available on all flights or dates of travel.
WAS — EZE
Aug 4 — Aug 111
Mon 8/4
Mon 8/11
1 adult, Economy
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Cheap 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 July 30, 2025.

Round-trip from

$625
(United Airlines)

One-way from

$265
(Mytrip)

Popular in

December

Cheapest in

September

Average price

$863
From Washington, D.C. (WAS) to Argentina
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One-way flight from Washington, D.C. (WAS) to Argentina
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Highest demand for flights based on searches. 16% potential increase in price ($197 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($45 potential savings vs. average RT price).
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Average for round-trip flights in July 2025
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Find 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 July 30, 2025.

This United Airlines deal was found by Cheapflights users on 7/28. 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 9/116:00 amBWI - EZE
1 stop25h 00mUnited Airlines
Thu 9/189:00 pmEZE - BWI
1 stop20h 17mUnited Airlines
Deal found 7/28$625
This Delta deal was found by Cheapflights users on 7/29. 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 8/2712:17 pmBWI - EZE
1 stop20h 28mDelta
Sat 9/68:10 pmEZE - BWI
1 stop17h 20mDelta
Deal found 7/29$627
This FlightHub deal was found by Cheapflights users on 7/27. 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.
Thu 8/145:00 pmDCA - MDZ
2 stops24h 37mLATAM Airlines
Thu 8/217:55 amMDZ - DCA
2 stops16h 51mLATAM Airlines
Deal found 7/27$632
This FlightHub deal was found by Cheapflights users on 7/30. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/18:17 pmIAD - COR
2 stops21h 47mLATAM Airlines
Mon 10/138:20 amCOR - IAD
2 stops16h 52mLATAM Airlines
Deal found 7/30$632
This FlightHub deal was found by Cheapflights users on 7/30. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/227:25 pmBWI - AEP
2 stops19h 40mLATAM Airlines
Mon 10/135:00 pmAEP - BWI
2 stops19h 21mLATAM Airlines
Deal found 7/30$632
This FlightHub deal was found by Cheapflights users on 7/30. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/207:45 pmBWI - EZE
2 stops17h 10mLATAM Airlines
Thu 10/307:55 amEZE - BWI
2 stops17h 46mLATAM Airlines
Deal found 7/30$632
This LATAM Airlines deal was found by Cheapflights users on 7/30. 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 LATAM Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/279:00 amIAD - AEP
2 stops20h 55mLATAM Airlines
Thu 12/113:40 pmAEP - IAD
2 stops22h 10mLATAM Airlines
Deal found 7/30$639
This LATAM Airlines deal was found by Cheapflights users on 7/28. 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.
Wed 10/1512:05 pmDCA - MDZ
2 stops41h 40mMultiple Airlines
Fri 10/317:55 pmMDZ - DCA
2 stops19h 37mMultiple Airlines
Deal found 7/28$639
This Delta deal was found by Cheapflights users on 7/27. 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.
Tue 8/193:26 pmIAD - EZE
1 stop17h 19mDelta
Tue 8/268:10 pmEZE - IAD
1 stop19h 21mDelta
Deal found 7/27$639
This LATAM Airlines deal was found by Cheapflights users on 7/30. 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 LATAM Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/182:59 pmDCA - AEP
2 stops22h 41mLATAM Airlines
Fri 8/293:40 pmAEP - DCA
2 stops28h 12mLATAM Airlines
Deal found 7/30$639
This LATAM Airlines deal was found by Cheapflights users on 7/30. 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 LATAM Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/3112:30 pmIAD - MDZ
3 stops29h 15mLATAM Airlines
Sun 11/97:55 pmMDZ - IAD
2 stops17h 55mLATAM Airlines
Deal found 7/30$639
This Delta deal was found by Cheapflights users on 7/28. 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.
Tue 8/191:40 pmDCA - EZE
1 stop19h 05mDelta
Thu 8/288:10 pmEZE - DCA
1 stop22h 18mDelta
Deal found 7/28$639

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 July 30, 2025.
Use the filters below to find and compare flights from Washington, D.C. to Argentina that are best for you.

Fly from

Washington, D.C.

Fly to

Argentina

Route

Depart

Return

Price

BaltimoreBuenos Aires

BWI - EZE

BWIEZE

Baltimore/Washington

Thu 9/11

6:00 am-8:00 am

1 stop25h 00m

Buenos Aires Ministro Pistarini

Thu 9/18

9:00 pm-4:17 pm

1 stop20h 17m

$625

BaltimoreBuenos Aires

BWI - EZE

BWIEZE

Baltimore/Washington

Wed 8/27

6:25 pm-9:45 am

1 stop14h 20m

Buenos Aires Ministro Pistarini

Sun 9/7

8:10 pm-6:52 pm

1 stop23h 42m

$627

Washington, D.C.Mendoza

DCA - MDZ

DCAMDZ

Washington, D.C. Reagan-National

Thu 8/14

5:00 pm-6:37 pm

2 stops24h 37m

Mendoza El Plumerillo

Thu 8/21

7:55 am-11:46 pm

2 stops16h 51m

$632

Washington, D.C.Cordoba

IAD - COR

IADCOR

Washington, D.C. Dulles Intl

Wed 10/1

8:17 pm-7:04 pm

2 stops21h 47m

Cordoba Pajas Blancas

Mon 10/13

8:20 am-12:12 am

2 stops16h 52m

$632

BaltimoreBuenos Aires

BWI - AEP

BWIAEP

Baltimore/Washington

Mon 9/22

7:25 pm-4:05 pm

2 stops19h 40m

Buenos Aires Jorge Newbery

Mon 10/13

5:00 pm-11:21 am

2 stops19h 21m

$632

BaltimoreBuenos Aires

BWI - EZE

BWIEZE

Baltimore/Washington

Mon 10/20

7:45 pm-1:55 pm

2 stops17h 10m

Buenos Aires Ministro Pistarini

Thu 10/30

7:55 am-12:41 am

2 stops17h 46m

$632

Washington, D.C.Mendoza

DCA - MDZ

DCAMDZ

Washington, D.C. Reagan-National

Wed 10/15

12:05 pm-6:45 am

2 stops41h 40m

Mendoza El Plumerillo

Fri 10/31

7:55 pm-2:32 pm

2 stops19h 37m

$639

Washington, D.C.Buenos Aires

IAD - EZE

IADEZE

Washington, D.C. Dulles Intl

Tue 8/19

3:26 pm-9:45 am

1 stop17h 19m

Buenos Aires Ministro Pistarini

Tue 8/26

8:10 pm-2:31 pm

1 stop19h 21m

$639

Washington, D.C.Buenos Aires

DCA - EZE

DCAEZE

Washington, D.C. Reagan-National

Tue 8/19

2:59 pm-8:00 am

1 stop16h 01m

Buenos Aires Ministro Pistarini

Mon 8/25

9:00 pm-6:41 pm

1 stop22h 41m

$639

Washington, D.C.Buenos Aires

IAD - AEP

IADAEP

Washington, D.C. Dulles Intl

Thu 11/27

9:00 am-7:55 am

2 stops20h 55m

Buenos Aires Jorge Newbery

Thu 12/11

3:40 pm-11:50 am

2 stops22h 10m

$639

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/30

Showing 1-10 of 60 results
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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, April is the cheapest month in which you can book a flight from Washington, D.C. to Argentina (average of $795). Flying from Washington, D.C. to Argentina in December is currently the most expensive (average of $1,260). 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.

What is the cheapest time of day to fly from WAS to AR?

Find hourly flight availability from Washington, D.C. to Argentina. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated July 30, 2025.

When flying from Washington, D.C. to Argentina, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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 July 30, 2025.
Peruse reviews from past customers who have flown with Delta, LATAM Airlines, and Copa 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
8.0
Very good
7,980 reviews

Food

7.3

Boarding

8.2

Comfort

7.9

Crew

8.5

Overall

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,980 reviews
Delta
8.0
Very good
7,980 reviews

Food

7.3

Boarding

8.2

Comfort

7.9

Crew

8.5

Overall

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
LATAM Airlines
7.5
Good
1,822 reviews
Delta
8.0
Very good
7,980 reviews

Food

7.3

Boarding

8.2

Comfort

7.9

Crew

8.5

Overall

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Copa Airlines
7.5
Good
1,493 reviews
Delta
8.0
Very good
7,980 reviews

Food

7.3

Boarding

8.2

Comfort

7.9

Crew

8.5

Overall

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,896 reviews
Delta
8.0
Very good
7,980 reviews

Food

7.3

Boarding

8.2

Comfort

7.9

Crew

8.5

Overall

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
GOL
7.3
Good
1,091 reviews
Delta
8.0
Very good
7,980 reviews

Food

7.3

Boarding

8.2

Comfort

7.9

Crew

8.5

Overall

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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.

  • 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 ($265), Delta ($269), and LATAM Airlines ($273).

  • 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, Washington, D.C. Reagan-National - Buenos Aires Ministro Pistarini and Baltimore/Washington - 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, April is the cheapest month in which you can book a flight from Washington, D.C. to Argentina (average of $795). Flying from Washington, D.C. to Argentina in December is currently the most expensive (average of $1,260). 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 Washington, D.C. to Argentina

See prices for flight routes from nearby airports that may be better suited for you.
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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 July 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
Copa AirlinesCheapest$549Average$1,086FlexibilityNo cancel feeOn-time70%
AviancaCheapest$605Average$847FlexibilityNo cancel feeOn-time71%
American AirlinesCheapest$629Average$1,108FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$629Average$893FlexibilityNo cancel feeOn-time69%
DeltaCheapest$629Average$1,147FlexibilityNo cancel feeOn-timeN/A
LATAM AirlinesCheapest$678Average$773FlexibilityNo cancel feeOn-time81%

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