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Argentina

$274+ 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 1/12. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — EZE
Jan 17 — Jan 241
Sat 1/17
Sat 1/24
1 adult, Economy
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Cheap 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 December 18, 2025.

This CheapOair deal was found by Cheapflights users on 12/14. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/185:59 pmIAD - EZE
1 stop13h 01mLATAM Airlines
Sat 12/208:55 pmEZE - IAD
1 stop14h 51mLATAM Airlines
Deal found 12/14$685
This LATAM Airlines deal was found by Cheapflights users on 12/14. 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.
Wed 12/173:38 pmIAD - EZE
1 stop13h 42mLATAM Airlines
Thu 12/2511:55 pmEZE - IAD
1 stop17h 19mLATAM Airlines
Deal found 12/14$686
This KAYAK deal was found by Cheapflights users on 12/16. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/294:17 pmIAD - EZE
1 stop13h 03mLATAM Airlines
Thu 1/228:55 pmEZE - IAD
1 stop23h 26mLATAM Airlines
Deal found 12/16$689
This Cheapflightsfares deal was found by Cheapflights users on 12/16. 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.
Sat 12/274:17 pmIAD - EZE
1 stop14h 43mLATAM Airlines
Sat 2/218:55 pmEZE - IAD
1 stop16h 40mLATAM Airlines
Deal found 12/16$705
This KAYAK deal was found by Cheapflights users on 12/16. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/2410:57 amIAD - EZE
2 stops20h 38mLATAM Airlines
Thu 1/2211:55 pmEZE - IAD
1 stop20h 26mLATAM Airlines
Deal found 12/16$743
This Travelocity deal was found by Cheapflights users on 12/16. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/266:59 pmIAD - EZE
1 stop34h 21mMultiple Airlines
Sun 3/224:55 pmEZE - IAD
1 stop13h 30mMultiple Airlines
Deal found 12/16$744
This Copa Airlines deal was found by Cheapflights users on 12/17. 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.
Mon 12/221:13 amIAD - EZE
1 stop22h 45mCopa Airlines
Sat 12/273:41 amEZE - IAD
1 stop23h 21mCopa Airlines
Deal found 12/17$749
This Copa Airlines deal was found by Cheapflights users on 12/16. 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.
Wed 12/178:22 amIAD - EZE
1 stop17h 54mCopa Airlines
Wed 12/245:16 amEZE - IAD
1 stop24h 06mCopa Airlines
Deal found 12/16$750
This Travelocity deal was found by Cheapflights users on 12/16. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/177:59 pmIAD - EZE
2 stops35h 01mLATAM Airlines
Wed 12/2411:55 pmEZE - IAD
1 stop14h 18mLATAM Airlines
Deal found 12/16$768
This Copa Airlines deal was found by Cheapflights users on 12/17. 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.
Thu 12/188:22 amIAD - EZE
1 stop17h 54mCopa Airlines
Sat 12/273:41 amEZE - IAD
1 stop23h 21mCopa Airlines
Deal found 12/17$770
This Orbitz deal was found by Cheapflights users on 12/16. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/292:35 pmIAD - AEP
1 stop13h 05mMultiple Airlines
Mon 1/128:25 pmAEP - IAD
2 stops29h 12mMultiple Airlines
Deal found 12/16$1,129
This Cheapflightsfares deal was found by Cheapflights users on 12/16. 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.
Fri 12/265:45 amIAD - AEP
1 stop21h 55mAvianca
Sun 3/227:00 amAEP - IAD
1 stop23h 25mAvianca
Deal found 12/16$1,206

Find 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 December 18, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$566
(KAYAK)

One-way from

$274
(LATAM Airlines)

Popular in

December

Cheapest in

August

Average price

$1,108
Provider with most accurate pricing for Washington, D.C. (WAS)-Buenos Aires (BUE) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Washington, D.C. (WAS)-Buenos Aires (BUE) flights.
Search Deals
From Washington, D.C. Dulles Intl to Argentina
Search Deals
One-way flight from Washington, D.C. Dulles Intl to Argentina
Search Deals
Highest demand for flights based on searches. 9% potential increase in price ($84 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($24 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

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 December 18, 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.Mendoza

IAD - MDZ

IADMDZ

Washington, D.C. Dulles Intl

Tue 3/17

1:19 pm-9:20 am

2 stops19h 01m

Mendoza El Plumerillo

Wed 3/18

12:55 pm-12:39 pm

2 stops24h 44m

$566

Washington, D.C.Mendoza

IAD - MDZ

IADMDZ

Washington, D.C. Dulles Intl

Mon 3/9

1:19 pm-12:00 pm

2 stops21h 41m

Mendoza El Plumerillo

Mon 3/16

7:45 pm-12:39 pm

2 stops17h 54m

$628

Washington, D.C.Buenos Aires

IAD - EZE

IADEZE

Washington, D.C. Dulles Intl

Thu 4/30

6:00 am-9:45 am

1 stop26h 45m

Buenos Aires Ministro Pistarini

Fri 5/15

7:45 am-12:09 am

2 stops17h 24m

$642

Washington, D.C.Buenos Aires

IAD - EZE

IADEZE

Washington, D.C. Dulles Intl

Sat 1/31

7:49 pm-10:15 am

1 stop36h 26m

Buenos Aires Ministro Pistarini

Fri 2/6

10:25 pm-11:43 am

1 stop15h 18m

$642

Washington, D.C.Buenos Aires

IAD - EZE

IADEZE

Washington, D.C. Dulles Intl

Tue 3/24

2:18 am-1:02 am

1 stop21h 44m

Buenos Aires Ministro Pistarini

Tue 4/14

2:57 pm-4:22 am

1 stop14h 25m

$643

Washington, D.C.Mendoza

IAD - MDZ

IADMDZ

Washington, D.C. Dulles Intl

Mon 4/6

10:05 pm-7:00 pm

2 stops43h 55m

Mendoza El Plumerillo

Mon 4/13

7:55 am-9:10 am

2 stops26h 15m

$646

Washington, D.C.Buenos Aires

IAD - EZE

IADEZE

Washington, D.C. Dulles Intl

Tue 1/27

8:25 am-1:04 am

1 stop14h 39m

Buenos Aires Ministro Pistarini

Wed 4/8

2:57 pm-4:22 am

1 stop14h 25m

$648

Washington, D.C.Buenos Aires

IAD - EZE

IADEZE

Washington, D.C. Dulles Intl

Wed 1/21

8:25 am-1:04 am

1 stop14h 39m

Buenos Aires Ministro Pistarini

Fri 1/30

9:16 am-3:13 am

1 stop19h 57m

$648

Washington, D.C.Cordoba

IAD - COR

IADCOR

Washington, D.C. Dulles Intl

Sat 4/11

2:21 am-12:20 am

1 stop20h 59m

Cordoba Pajas Blancas

Wed 4/22

3:35 am-4:22 am

1 stop25h 47m

$648

Washington, D.C.Buenos Aires

IAD - EZE

IADEZE

Washington, D.C. Dulles Intl

Fri 4/3

9:32 am-4:16 am

1 stop17h 44m

Buenos Aires Ministro Pistarini

Thu 4/30

5:34 am-4:22 am

1 stop23h 48m

$663

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/15

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, July is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Argentina (average of $330). Flying from Washington, D.C. Dulles Intl Airport to Argentina in June is currently the most expensive (average of $801). 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 December 18, 2025.

It’s typically best to fly out from Washington, D.C. Dulles Intl Airport to Argentina in the afternoon. Doing so could potentially save you 25% on the flight price compared to flying in the evening, which is usually more expensive.

What is the cheapest day to fly from Washington, D.C. Dulles Intl Airport to Argentina?

Use this chart to determine the cheapest time to fly round-trip from Dulles Intl to Argentina. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Washington, D.C. Dulles Intl Airport to Argentina flight should consider departing on Wednesday evenings when fares are most often at their lowest. Wednesday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

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 December 18, 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
7.9
Good
8,007 reviews

Food

7.3

Overall

7.9

Comfort

7.9

Crew

8.5

Entertainment

7.9

Boarding

8.1

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Delta
7.9
Good
8,007 reviews
Delta
7.9
Good
8,007 reviews

Food

7.3

Overall

7.9

Comfort

7.9

Crew

8.5

Entertainment

7.9

Boarding

8.1

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Copa Airlines
7.6
Good
1,556 reviews
Delta
7.9
Good
8,007 reviews

Food

7.3

Overall

7.9

Comfort

7.9

Crew

8.5

Entertainment

7.9

Boarding

8.1

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
LATAM Airlines
7.5
Good
1,893 reviews
Delta
7.9
Good
8,007 reviews

Food

7.3

Overall

7.9

Comfort

7.9

Crew

8.5

Entertainment

7.9

Boarding

8.1

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
United Airlines
7.4
Good
9,091 reviews
Delta
7.9
Good
8,007 reviews

Food

7.3

Overall

7.9

Comfort

7.9

Crew

8.5

Entertainment

7.9

Boarding

8.1

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Avianca
6.6
Okay
2,490 reviews
Delta
7.9
Good
8,007 reviews

Food

7.3

Overall

7.9

Comfort

7.9

Crew

8.5

Entertainment

7.9

Boarding

8.1

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

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 19h 01m. The distance from Washington, D.C. Dulles Intl Airport to Argentina is about 4987 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?

    $258 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 Copa Airlines, with prices starting from $270 and $271, 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, July is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Argentina (average of $330). Flying from Washington, D.C. Dulles Intl Airport to Argentina in June is currently the most expensive (average of $801). 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 Guayaquil flights
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Dulles Intl to Barranquilla flights
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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 December 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$514Average$965FlexibilityNo cancel feeOn-timeN/A
AviancaCheapest$600Average$819FlexibilityNo cancel feeOn-time71%
Copa AirlinesCheapest$617Average$1,106FlexibilityNo cancel feeOn-time70%
United AirlinesCheapest$629Average$672FlexibilityNo cancel feeOn-time69%
LATAM AirlinesCheapest$637Average$863FlexibilityNo cancel feeOn-time81%

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