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$272+ 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 12/5. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — EZE
Oct 15 — Oct 221
Wed 10/15
Wed 10/22
1 adult, Economy
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Cheap 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 September 15, 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. Dulles Intl to Argentina
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One-way flight from Washington, D.C. Dulles Intl 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 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 September 15, 2025.

This LATAM Airlines deal was found by Cheapflights users on 9/14. 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 LATAM Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/288:17 pmIAD - COR
2 stops45h 47mMultiple Airlines
Wed 10/17:45 amCOR - IAD
2 stops24h 37mMultiple Airlines
Deal found 9/14$605
This Trip.com deal was found by Cheapflights users on 9/15. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/3010:10 pmIAD - EZE
1 stop31h 10mUnited Airlines
Thu 11/610:05 pmEZE - IAD
1 stop15h 23mUnited Airlines
Deal found 9/15$619
This Copa Airlines deal was found by Cheapflights users on 9/15. 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 11/125:16 amEZE - IAD
1 stop24h 06mCopa Airlines
Deal found 9/15$627
This Cheapflightsfares 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/296:45 amIAD - EZE
1 stop22h 05mAvianca
Mon 11/31:40 amEZE - IAD
1 stop13h 35mAvianca
Deal found 9/13$628
This Cheapflightsfares deal was found by Cheapflights users on 9/14. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/296:45 amIAD - EZE
1 stop22h 05mAvianca
Tue 11/41:40 amEZE - IAD
2 stops27h 30mAvianca
Deal found 9/14$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 Flysmarter deal was found by Cheapflights users on 9/15. 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 Flysmarter is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/304:00 amIAD - EZE
2 stops24h 50mAvianca
Wed 11/51:40 amEZE - IAD
1 stop13h 35mAvianca
Deal found 9/15$634
This Avianca deal was found by Cheapflights users on 9/14. 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 Avianca is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/52:35 pmIAD - EZE
1 stop13h 15mAvianca
Tue 12/94:55 pmEZE - IAD
1 stop13h 30mAvianca
Deal found 9/14$635
This Priceline 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 Priceline 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
Sun 11/167:35 amEZE - IAD
2 stops20h 05mAvianca
Deal found 9/13$636
This Kiwi.com deal was found by Cheapflights users on 9/14. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/224:34 pmIAD - EZE
1 stop31h 21mCopa Airlines
Sun 10/52:32 pmEZE - IAD
1 stop14h 48mCopa Airlines
Deal found 9/14$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 10/305:52 pmIAD - AEP
2 stops23h 48mLATAM Airlines
Wed 11/125:15 pmAEP - IAD
2 stops20h 19mLATAM Airlines
Deal found 9/13$639
This Delta deal was found by Cheapflights users on 9/15. 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 11/1812:11 pmIAD - EZE
1 stop20h 04mDelta
Wed 12/38:55 pmEZE - IAD
1 stop14h 18mDelta
Deal found 9/15$639

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 September 15, 2025.
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.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 11/11

3:57 am-11:33 pm

1 stop21h 36m

$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

Sat 10/11

2:25 am-12:55 am

1 stop21h 30m

Buenos Aires Ministro Pistarini

Sun 10/19

10:07 am-4:20 am

1 stop19h 13m

$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

Tue 11/4

10:01 am-11:33 pm

1 stop15h 32m

$627

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

Washington, D.C.Cordoba

IAD - COR

IADCOR

Washington, D.C. Dulles Intl

Thu 9/25

7:20 am-6:10 am

2 stops21h 50m

Cordoba Pajas Blancas

Thu 10/2

7:45 am-12:13 am

2 stops17h 28m

$639

Washington, D.C.Buenos Aires

IAD - EZE

IADEZE

Washington, D.C. Dulles Intl

Thu 10/30

7:59 pm-10:15 am

1 stop13h 16m

Buenos Aires Ministro Pistarini

Thu 11/6

10:25 pm-11:57 am

1 stop15h 32m

$639

Washington, D.C.Mendoza

IAD - MDZ

IADMDZ

Washington, D.C. Dulles Intl

Sat 10/25

6:00 am-6:40 am

2 stops23h 40m

Mendoza El Plumerillo

Mon 11/3

7:50 am-11:19 pm

2 stops17h 29m

$639

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/15

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 $795). Flying from Washington, D.C. Dulles Intl Airport 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 IAD to AR?

Find hourly flight availability from Dulles Intl 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 15, 2025.

When flying from Washington, D.C. Dulles Intl Airport 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 15, 2025.
Read through reviews of airlines operating flights from Washington, D.C. Dulles Intl Airport to Argentina, such as Delta, Copa Airlines, and LATAM Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,954 reviews

Overall

8.0

Food

7.3

Comfort

7.9

Boarding

8.2

Entertainment

7.9

Crew

8.5

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
7,954 reviews
Delta
8.0
Very good
7,954 reviews

Overall

8.0

Food

7.3

Comfort

7.9

Boarding

8.2

Entertainment

7.9

Crew

8.5

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
7,954 reviews

Overall

8.0

Food

7.3

Comfort

7.9

Boarding

8.2

Entertainment

7.9

Crew

8.5

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
1,847 reviews
Delta
8.0
Very good
7,954 reviews

Overall

8.0

Food

7.3

Comfort

7.9

Boarding

8.2

Entertainment

7.9

Crew

8.5

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
8,929 reviews
Delta
8.0
Very good
7,954 reviews

Overall

8.0

Food

7.3

Comfort

7.9

Boarding

8.2

Entertainment

7.9

Crew

8.5

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
7,954 reviews

Overall

8.0

Food

7.3

Comfort

7.9

Boarding

8.2

Entertainment

7.9

Crew

8.5

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 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 35m. The distance from Washington, D.C. Dulles Intl Airport to Argentina is about 5235 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?

    $272 is the cheapest one-way deal found within the past few days, from Copa Airlines. You may also be able to find cheap deals on LATAM Airlines and Avianca, with prices starting from $275 and $285, 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 - Mendoza El Plumerillo 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 $795). Flying from Washington, D.C. Dulles Intl Airport 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 Dulles Intl to Argentina

See prices for flight routes from nearby airports that may be better suited for you.
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Reagan-National to Rio de Janeiro–Galeão Intl flights
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Baltimore to Ministro Pistarini flights
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Baltimore to Guarulhos Intl flights
Dulles Intl to Santos Dumont flights
Reagan-National to Viracopos flights
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Reagan-National to Cartagena flights
Dulles Intl to Santiago flights
Dulles Intl to Viracopos flights
Reagan-National to Santiago flights
Baltimore to Santiago flights
Dulles Intl to Quito flights
Baltimore to Viracopos flights
Dulles Intl to Santa Cruz de la Sierra flights
Reagan-National to Quito flights
Dulles Intl to Montevideo flights
Baltimore to Quito flights
Dulles Intl to Guayaquil flights
Reagan-National to Montevideo flights
Baltimore to Montevideo flights
Reagan-National to Santa Cruz de la Sierra flights
Dulles Intl to Barranquilla flights
Dulles Intl to Cali flights
Baltimore to Barranquilla flights
Reagan-National to Barranquilla flights
Baltimore to Santa Cruz de la Sierra flights
Baltimore to Guayaquil 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 September 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
AviancaCheapest$605Average$836FlexibilityNo cancel feeOn-time71%
Copa AirlinesCheapest$617Average$1,172FlexibilityNo cancel feeOn-time70%
United AirlinesCheapest$629Average$797FlexibilityNo cancel feeOn-time69%
DeltaCheapest$629Average$1,158FlexibilityNo cancel feeOn-timeN/A
LATAM AirlinesCheapest$669Average$897FlexibilityNo cancel feeOn-time81%

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