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$272+ 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 10/6. Fares are subject to change and may not be available on all flights or dates of travel.
WAS — EZE
Oct 14 — Oct 211
Tue 10/14
Tue 10/21
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 September 14, 2025.

Round-trip from

$605
(LATAM Airlines)

One-way from

$272
(Copa Airlines)

Popular in

December

Cheapest in

August

Average price

$695
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. 17% potential increase in price ($190 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($44 potential savings vs. average RT price).
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Average for round-trip flights in September 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 September 14, 2025.

This Copa Airlines deal was found by Cheapflights users on 9/12. 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.
Tue 10/282:25 amIAD - EZE
1 stop21h 35mCopa Airlines
Wed 11/122:32 pmEZE - IAD
1 stop14h 50mCopa Airlines
Deal found 9/12$627
This FlightHub deal was found by Cheapflights users on 9/12. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/67:35 pmDCA - EZE
2 stops17h 20mLATAM Airlines
Tue 10/216:13 pmEZE - DCA
2 stops20h 32mLATAM Airlines
Deal found 9/12$627
This Cheapflightsfares deal was found by Cheapflights users on 9/12. 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.
Wed 10/293:35 pmIAD - EZE
1 stop13h 15mAvianca
Wed 11/124:55 pmEZE - IAD
1 stop22h 20mAvianca
Deal found 9/12$628
This Cheapflightsfares deal was found by Cheapflights users on 9/12. 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.
Wed 10/293:35 pmIAD - EZE
1 stop13h 15mAvianca
Wed 11/57:35 amEZE - IAD
2 stops20h 05mAvianca
Deal found 9/12$630
This Mytrip deal was found by Cheapflights users on 9/12. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/214:05 amIAD - EZE
2 stops19h 05mAvianca
Mon 10/277:35 amEZE - IAD
2 stops20h 05mAvianca
Deal found 9/12$632
This FlightHub deal was found by Cheapflights users on 9/13. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/14:05 pmDCA - EZE
2 stops15h 30mLATAM Airlines
Tue 12/212:15 pmEZE - DCA
2 stops27h 44mLATAM Airlines
Deal found 9/13$632
This Avianca deal was found by Cheapflights users on 9/12. 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.
Fri 12/55:45 amIAD - EZE
1 stop22h 05mAvianca
Tue 12/94:55 pmEZE - IAD
1 stop13h 30mAvianca
Deal found 9/12$635
This Avianca deal was found by Cheapflights users on 9/12. 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.
Fri 11/72:35 pmIAD - EZE
1 stop13h 15mAvianca
Mon 11/107:35 amEZE - IAD
2 stops20h 05mAvianca
Deal found 9/12$636
This Priceline deal was found by Cheapflights users on 9/12. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/285:30 amIAD - EZE
2 stops23h 20mAvianca
Tue 11/47:35 amEZE - IAD
2 stops20h 05mAvianca
Deal found 9/12$638
This LATAM Airlines deal was found by Cheapflights users on 9/13. 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 LATAM Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/63:33 pmIAD - AEP
2 stops18h 07mLATAM Airlines
Fri 11/72:55 pmAEP - IAD
2 stops21h 16mLATAM Airlines
Deal found 9/13$639
This LATAM Airlines deal was found by Cheapflights users on 9/11. 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 LATAM Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/72:40 pmDCA - MDZ
2 stops26h 05mLATAM Airlines
Tue 11/111:00 pmMDZ - DCA
2 stops26h 58mLATAM Airlines
Deal found 9/11$639
This LATAM Airlines deal was found by Cheapflights users on 9/11. 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 LATAM Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/186:48 amBWI - COR
2 stops21h 32mLATAM Airlines
Mon 9/227:45 amCOR - BWI
2 stops26h 28mLATAM Airlines
Deal found 9/11$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 September 14, 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

Washington, D.C.Cordoba

IAD - COR

IADCOR

Washington, D.C. Dulles Intl

Sun 9/28

8:17 pm-7:04 pm

2 stops45h 47m

Cordoba Pajas Blancas

Wed 10/1

7:45 am-7:22 am

2 stops24h 37m

$605

Washington, D.C.Buenos Aires

IAD - EZE

IADEZE

Washington, D.C. Dulles Intl

Tue 10/28

2:25 am-1:00 am

1 stop21h 35m

Buenos Aires Ministro Pistarini

Tue 11/4

3:57 am-11:33 pm

1 stop21h 36m

$627

Washington, D.C.Buenos Aires

IAD - EZE

IADEZE

Washington, D.C. Dulles Intl

Tue 9/23

2:25 am-12:55 am

1 stop21h 30m

Buenos Aires Ministro Pistarini

Wed 10/8

5:08 am-12:30 am

1 stop20h 22m

$627

Washington, D.C.Buenos Aires

IAD - EZE

IADEZE

Washington, D.C. Dulles Intl

Thu 12/4

1:13 am-10:31 pm

1 stop19h 18m

Buenos Aires Ministro Pistarini

Tue 12/9

2:32 pm-3:22 am

1 stop14h 50m

$627

Washington, D.C.Buenos Aires

IAD - EZE

IADEZE

Washington, D.C. Dulles Intl

Wed 10/29

2:25 am-1:00 am

1 stop21h 35m

Buenos Aires Ministro Pistarini

Wed 11/12

2:32 pm-3:22 am

1 stop14h 50m

$627

Washington, D.C.Buenos Aires

IAD - EZE

IADEZE

Washington, D.C. Dulles Intl

Tue 10/28

2:25 am-1:00 am

1 stop21h 35m

Buenos Aires Ministro Pistarini

Wed 11/12

2:32 pm-3:22 am

1 stop14h 50m

$627

Washington, D.C.Buenos Aires

IAD - EZE

IADEZE

Washington, D.C. Dulles Intl

Sat 10/4

2:25 am-10:08 pm

1 stop18h 43m

Buenos Aires Ministro Pistarini

Sun 10/19

10:07 am-4:20 am

1 stop19h 13m

$627

Washington, D.C.Mendoza

DCA - MDZ

DCAMDZ

Washington, D.C. Reagan-National

Fri 11/7

2:40 pm-6:45 pm

2 stops26h 05m

Mendoza El Plumerillo

Tue 11/11

1:00 pm-1:58 pm

2 stops26h 58m

$639

Washington, D.C.Buenos Aires

IAD - EZE

IADEZE

Washington, D.C. Dulles Intl

Tue 11/4

6:00 am-7:20 am

1 stop23h 20m

Buenos Aires Ministro Pistarini

Tue 11/11

10:05 pm-11:28 am

1 stop15h 23m

$639

Washington, D.C.Buenos Aires

IAD - EZE

IADEZE

Washington, D.C. Dulles Intl

Wed 11/19

7:01 am-7:20 am

1 stop22h 19m

Buenos Aires Ministro Pistarini

Tue 12/2

10:25 pm-11:39 am

1 stop15h 14m

$639

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/13

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 September 14, 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 September 14, 2025.
Peruse reviews from past customers who have flown with Delta, Copa Airlines, and United 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
7,956 reviews

Boarding

8.2

Food

7.3

Overall

8.0

Crew

8.5

Comfort

7.9

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
7,956 reviews
Delta
8.0
Very good
7,956 reviews

Boarding

8.2

Food

7.3

Overall

8.0

Crew

8.5

Comfort

7.9

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
7.6
Good
1,531 reviews
Delta
8.0
Very good
7,956 reviews

Boarding

8.2

Food

7.3

Overall

8.0

Crew

8.5

Comfort

7.9

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
8,931 reviews
Delta
8.0
Very good
7,956 reviews

Boarding

8.2

Food

7.3

Overall

8.0

Crew

8.5

Comfort

7.9

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!
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,956 reviews

Boarding

8.2

Food

7.3

Overall

8.0

Crew

8.5

Comfort

7.9

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!
Avianca
6.7
Okay
2,435 reviews
Delta
8.0
Very good
7,956 reviews

Boarding

8.2

Food

7.3

Overall

8.0

Crew

8.5

Comfort

7.9

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.

  • How long is the flight from Washington, D.C. to Argentina?

    Copa Airlines, LATAM Airlines, and Delta can get you from Washington, D.C. to Argentina in just under 17h 35m. Your travel time can differ by up to 8h 30m. Washington, D.C. and Argentina are separated by a distance of 5222 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 Copa Airlines ($272), Avianca ($273), and LATAM Airlines ($275).

  • 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

Browse thousands of different options on Cheapflights for your next trip

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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 September 14, 2025.
AirlineCheapestAverageFlexibilityOn-time
AviancaCheapest$605Average$836FlexibilityNo cancel feeOn-time71%
Copa AirlinesCheapest$617Average$1,084FlexibilityNo cancel feeOn-time70%
United AirlinesCheapest$629Average$856FlexibilityNo cancel feeOn-time69%
DeltaCheapest$629Average$1,125FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$639Average$1,196FlexibilityNo cancel feeOn-time71%
LATAM AirlinesCheapest$669Average$792FlexibilityNo cancel feeOn-time81%

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