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$265+ 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 8/27. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — EZE
ago. 4 — ago. 111
lun. 8/4
lun. 8/11
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 julio 30, 2025.

Round-trip from

$632
(FlightHub)

One-way from

$265
(Mytrip)

Popular in

December

Cheapest in

September

Average price

$863
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. 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 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 julio 30, 2025.

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.
mié. 10/18:17 pmIAD - COR
2 stops21h 47mLATAM Airlines
lun. 10/138:20 amCOR - IAD
2 stops16h 52mLATAM 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.
jue. 11/279:00 amIAD - AEP
2 stops20h 55mLATAM Airlines
jue. 12/113:40 pmAEP - IAD
2 stops22h 10mLATAM Airlines
Deal found 7/30$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.
mar. 8/193:26 pmIAD - EZE
1 stop17h 19mDelta
mar. 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.
vie. 10/3112:30 pmIAD - MDZ
3 stops29h 15mLATAM Airlines
dom. 11/97:55 pmMDZ - IAD
2 stops17h 55mLATAM Airlines
Deal found 7/30$639
This Priceline 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 9/177:00 amIAD - EZE
1 stop16h 10mAvianca
sáb. 9/201:40 amEZE - IAD
2 stops26h 05mAvianca
Deal found 7/29$641
This American 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 8/2510:25 amIAD - EZE
2 stops22h 50mAmerican Airlines
vie. 9/58:40 pmEZE - IAD
2 stops27h 08mAmerican Airlines
Deal found 7/30$644
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.
mar. 9/212:20 pmIAD - COR
2 stops16h 00mDelta
sáb. 9/65:15 amCOR - IAD
2 stops36h 15mDelta
Deal found 7/27$646
This Copa 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 Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 8/242:25 amIAD - EZE
1 stop21h 19mCopa Airlines
jue. 9/42:14 amEZE - IAD
1 stop23h 16mCopa Airlines
Deal found 7/28$647
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.
dom. 8/1710:32 pmIAD - EZE
1 stop32h 28mUnited Airlines
mié. 8/279:00 pmEZE - IAD
1 stop15h 28mUnited Airlines
Deal found 7/28$648
This Avianca 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 Avianca is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 9/113:20 pmIAD - AEP
1 stop13h 20mAvianca
jue. 9/187:00 amAEP - IAD
1 stop23h 35mAvianca
Deal found 7/28$649
This Booking.com 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 9/124:34 pmIAD - COR
1 stop30h 47mCopa Airlines
vie. 9/195:38 amCOR - IAD
1 stop19h 52mCopa Airlines
Deal found 7/29$651
This Mytrip 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 9/233:20 pmIAD - EZE
3 stops35h 20mMultiple Airlines
mar. 10/141:40 amEZE - IAD
2 stops27h 40mMultiple Airlines
Deal found 7/30$690

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 julio 30, 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

mié. 10/1

8:17 pm-7:04 pm

2 stops21h 47m

Cordoba Pajas Blancas

lun. 10/13

8:20 am-12:12 am

2 stops16h 52m

$632

Washington, D.C.Buenos Aires

IAD - EZE

IADEZE

Washington, D.C. Dulles Intl

mar. 8/19

3:26 pm-9:45 am

1 stop17h 19m

Buenos Aires Ministro Pistarini

mar. 8/26

8:10 pm-2:31 pm

1 stop19h 21m

$639

Washington, D.C.Buenos Aires

IAD - AEP

IADAEP

Washington, D.C. Dulles Intl

jue. 11/27

9:00 am-7:55 am

2 stops20h 55m

Buenos Aires Jorge Newbery

jue. 12/11

3:40 pm-11:50 am

2 stops22h 10m

$639

Washington, D.C.Buenos Aires

IAD - EZE

IADEZE

Washington, D.C. Dulles Intl

mié. 9/17

7:00 am-12:10 am

1 stop16h 10m

Buenos Aires Ministro Pistarini

sáb. 9/20

1:40 am-2:45 am

2 stops26h 05m

$641

Washington, D.C.Buenos Aires

IAD - EZE

IADEZE

Washington, D.C. Dulles Intl

lun. 8/25

10:25 am-10:15 am

2 stops22h 50m

Buenos Aires Ministro Pistarini

vie. 9/5

8:40 pm-10:48 pm

2 stops27h 08m

$644

Washington, D.C.Cordoba

IAD - COR

IADCOR

Washington, D.C. Dulles Intl

mar. 9/2

12:20 pm-5:20 am

2 stops16h 00m

Cordoba Pajas Blancas

sáb. 9/6

5:15 am-4:30 pm

2 stops36h 15m

$646

Washington, D.C.Buenos Aires

IAD - EZE

IADEZE

Washington, D.C. Dulles Intl

dom. 8/24

2:25 am-12:55 am

1 stop21h 30m

Buenos Aires Ministro Pistarini

jue. 9/4

2:14 am-3:05 pm

1 stop13h 51m

$647

Washington, D.C.Buenos Aires

IAD - EZE

IADEZE

Washington, D.C. Dulles Intl

dom. 8/17

10:32 pm-8:00 am

1 stop32h 28m

Buenos Aires Ministro Pistarini

mié. 8/27

9:00 pm-11:28 am

1 stop15h 28m

$648

Washington, D.C.Buenos Aires

IAD - AEP

IADAEP

Washington, D.C. Dulles Intl

jue. 9/11

3:20 pm-5:40 am

1 stop13h 20m

Buenos Aires Jorge Newbery

jue. 9/18

7:00 am-5:35 am

1 stop23h 35m

$649

Washington, D.C.Cordoba

IAD - COR

IADCOR

Washington, D.C. Dulles Intl

vie. 9/12

4:34 pm-12:21 am

1 stop30h 47m

Cordoba Pajas Blancas

vie. 9/19

5:38 am-12:30 am

1 stop19h 52m

$651

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/30

Showing 1-10 of 45 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 julio 30, 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 julio 30, 2025.
Read through reviews of airlines operating flights from Washington, D.C. Dulles Intl Airport to Argentina, such as Delta, LATAM Airlines, and Copa Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,980 reviews

Boarding

8.2

Comfort

7.9

Food

7.3

Entertainment

7.9

Overall

8.0

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
7,980 reviews
Delta
8.0
Very good
7,980 reviews

Boarding

8.2

Comfort

7.9

Food

7.3

Entertainment

7.9

Overall

8.0

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
1,822 reviews
Delta
8.0
Very good
7,980 reviews

Boarding

8.2

Comfort

7.9

Food

7.3

Entertainment

7.9

Overall

8.0

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
7.5
Good
1,493 reviews
Delta
8.0
Very good
7,980 reviews

Boarding

8.2

Comfort

7.9

Food

7.3

Entertainment

7.9

Overall

8.0

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!
Aeromexico
7.5
Good
1,721 reviews
Delta
8.0
Very good
7,980 reviews

Boarding

8.2

Comfort

7.9

Food

7.3

Entertainment

7.9

Overall

8.0

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
8,896 reviews
Delta
8.0
Very good
7,980 reviews

Boarding

8.2

Comfort

7.9

Food

7.3

Entertainment

7.9

Overall

8.0

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.

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

    $265 is the cheapest one-way deal found within the past few days, from Avianca. You may also be able to find cheap deals on Delta and LATAM Airlines, with prices starting from $269 and $273, 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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Dulles Intl to Santiago flights
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Reagan-National to Santa Cruz de la Sierra flights
Dulles Intl to Cali flights
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Reagan-National to Montevideo flights
Reagan-National to Georgetown flights
Dulles Intl to Guayaquil flights
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Dulles Intl to Cuzco flights

Top 4 airlines flying from Dulles Intl to Argentina

Discover the top 4 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 julio 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
Copa AirlinesCheapest$549Average$1,174FlexibilityNo cancel feeOn-time70%
AviancaCheapest$605Average$847FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$629Average$857FlexibilityNo cancel feeOn-time69%
DeltaCheapest$629Average$1,174FlexibilityNo cancel feeOn-timeN/A

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