HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Dulles Intl

$357+ Cheap flights from Argentina to Dulles Intl (IAD)

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 9/27. Fares are subject to change and may not be available on all flights or dates of travel.
EZE — IAD
Jul 7 — Jul 141
Tue 7/7
Tue 7/14
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Argentina to Dulles Intl with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Argentina to Dulles Intl

Cheapest flights from Argentina to Dulles Intl
Explore the most affordable flight options available from Argentina to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 7, 2026.

This Copa Airlines deal was found by Cheapflights users on 6/5. 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 7/302:49 pm
EZE
-
IAD
1 stop14h 32m
Copa Airlines
Sun 8/162:25 am
IAD
-
EZE
1 stop21h 26m
Copa Airlines
Deal found 6/5$656
This oojo deal was found by Cheapflights users on 6/5. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/264:50 pm
EZE
-
IAD
2 stops26h 25m
Avianca
Sun 7/123:35 pm
IAD
-
EZE
1 stop23h 05m
Avianca
Deal found 6/5$659
This American Airlines deal was found by Cheapflights users on 6/6. 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.
Thu 7/309:05 pm
EZE
-
IAD
2 stops23h 35m
American Airlines
Mon 8/171:23 pm
IAD
-
EZE
2 stops20h 42m
American Airlines
Deal found 6/6$664
This oojo deal was found by Cheapflights users on 6/4. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/104:50 pm
EZE
-
IAD
2 stops34h 55m
Avianca
Sat 7/115:35 pm
IAD
-
EZE
2 stops21h 05m
Avianca
Deal found 6/4$666
This Cheapflightsfares deal was found by Cheapflights users on 6/4. 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.
Thu 6/44:50 pm
EZE
-
IAD
1 stop13h 30m
Avianca
Wed 6/175:45 am
IAD
-
EZE
2 stops22h 55m
Avianca
Deal found 6/4$670
This oojo deal was found by Cheapflights users on 6/3. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/267:00 am
AEP
-
IAD
1 stop23h 20m
Avianca
Sun 7/123:35 pm
IAD
-
AEP
1 stop13h 05m
Avianca
Deal found 6/3$673
This Copa Airlines deal was found by Cheapflights users on 6/4. 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 6/252:17 am
EZE
-
IAD
1 stop23h 16m
Copa Airlines
Sat 7/112:22 am
IAD
-
EZE
1 stop25h 08m
Copa Airlines
Deal found 6/4$680
This American Airlines deal was found by Cheapflights users on 6/7. 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.
Mon 6/810:05 pm
EZE
-
IAD
1 stop25h 41m
American Airlines
Mon 6/156:19 am
IAD
-
EZE
1 stop23h 46m
American Airlines
Deal found 6/7$681
This Copa Airlines deal was found by Cheapflights users on 6/3. 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.
Fri 6/52:49 pm
EZE
-
IAD
1 stop14h 32m
Copa Airlines
Sun 6/284:38 pm
IAD
-
EZE
1 stop28h 49m
Copa Airlines
Deal found 6/3$683
This Avianca deal was found by Cheapflights users on 6/4. 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 6/124:50 pm
EZE
-
IAD
1 stop13h 30m
Avianca
Sat 6/275:35 pm
IAD
-
EZE
2 stops21h 05m
Avianca
Deal found 6/4$684
This Avianca deal was found by Cheapflights users on 6/4. 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.
Thu 7/307:10 am
EZE
-
IAD
2 stops20h 35m
Avianca
Mon 8/174:10 am
IAD
-
EZE
2 stops19h 15m
Avianca
Deal found 6/4$686
This oojo deal was found by Cheapflights users on 6/4. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/57:00 am
AEP
-
IAD
2 stops20h 45m
Avianca
Thu 6/114:10 am
IAD
-
AEP
2 stops24h 30m
Avianca
Deal found 6/4$688

Find flight deals from Argentina to Dulles Intl

Keep the following information in mind while searching for Argentina to Dulles Intl flight deals. Data was last updated June 7, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$656
(Copa Airlines)

One-way from

$352
(American Airlines)

Popular in

July

Cheapest in

March

Average price

$716
Provider with most accurate pricing for Buenos Aires (BUE)-Washington, D.C. (WAS) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Buenos Aires (BUE)-Washington, D.C. (WAS) flights.
Search Deals
From Argentina to Washington, D.C. Dulles Intl
Search Deals
One-way flight from Argentina to Washington, D.C. Dulles Intl
Search Deals
Highest demand for flights based on searches. 2% potential increase in price ($16 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($21 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Argentina to Dulles Intl 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 June 7, 2026.
Use the filters below to find and compare flights from Argentina to Washington, D.C. Dulles Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Buenos AiresWashington, D.C.

EZE - IAD

EZEIAD

Buenos Aires Ministro Pistarini

Thu 6/25

2:17 am-12:33 am

1 stop23h 16m

Washington, D.C. Dulles Intl

Sat 7/11

2:22 am-4:30 am

1 stop25h 08m

$680

Buenos AiresWashington, D.C.

EZE - IAD

EZEIAD

Buenos Aires Ministro Pistarini

Thu 7/16

2:49 pm-4:21 am

1 stop14h 32m

Washington, D.C. Dulles Intl

Tue 8/11

2:25 am-7:57 am

1 stop28h 32m

$687

Buenos AiresWashington, D.C.

EZE - IAD

EZEIAD

Buenos Aires Ministro Pistarini

Wed 7/29

3:48 am-1:47 am

1 stop22h 59m

Washington, D.C. Dulles Intl

Mon 8/17

6:26 am-4:21 am

1 stop20h 55m

$711

Buenos AiresWashington, D.C.

EZE - IAD

EZEIAD

Buenos Aires Ministro Pistarini

Sun 8/9

7:10 am-5:20 am

1 stop23h 10m

Washington, D.C. Dulles Intl

Fri 8/14

5:45 am-3:40 pm

2 stops32h 55m

$717

Buenos AiresWashington, D.C.

EZE - IAD

EZEIAD

Buenos Aires Ministro Pistarini

Tue 8/25

8:10 pm-11:33 am

1 stop16h 23m

Washington, D.C. Dulles Intl

Mon 8/31

3:03 pm-9:40 am

2 stops17h 37m

$728

Buenos AiresWashington, D.C.

EZE - IAD

EZEIAD

Buenos Aires Ministro Pistarini

Wed 7/8

8:10 pm-9:26 am

1 stop14h 16m

Washington, D.C. Dulles Intl

Wed 8/19

12:30 pm-9:40 am

2 stops20h 10m

$728

Buenos AiresWashington, D.C.

AEP - IAD

AEPIAD

Buenos Aires Jorge Newbery

Tue 9/15

7:00 am-2:45 am

2 stops20h 45m

Washington, D.C. Dulles Intl

Tue 10/6

6:50 am-5:40 am

1 stop21h 50m

$735

Buenos AiresWashington, D.C.

EZE - IAD

EZEIAD

Buenos Aires Ministro Pistarini

Wed 8/19

9:00 pm-11:28 am

1 stop15h 28m

Washington, D.C. Dulles Intl

Wed 8/26

12:57 pm-8:00 am

1 stop18h 03m

$737
Quickest round-trip

Buenos AiresWashington, D.C.

EZE - IAD

EZEIAD

Buenos Aires Ministro Pistarini

Sat 10/24

4:50 pm-5:20 am

1 stop13h 30m

Washington, D.C. Dulles Intl

Wed 10/28

6:45 am-12:35 am

1 stop16h 50m

$737

Buenos AiresWashington, D.C.

EZE - IAD

EZEIAD

Buenos Aires Ministro Pistarini

Fri 11/13

8:05 pm-11:52 am

1 stop17h 47m

Washington, D.C. Dulles Intl

Sun 11/22

4:00 pm-9:40 am

2 stops15h 40m

$739

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/3

Showing 1-10 of 54 resultsSorted by cheapest first
1
2
3
...
6

Best time to book a flight from Argentina to Dulles Intl

Have a flexible travel schedule? Discover the best time to fly to Dulles Intl from Argentina 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 Argentina to Washington, D.C. Dulles Intl Airport

What is the cheapest month to book a flight from Argentina to Washington, D.C. Dulles Intl Airport?

Currently, December is the cheapest month in which you can book a flight from Argentina to Washington, D.C. Dulles Intl Airport (average of $232). Flying from Argentina to Washington, D.C. Dulles Intl Airport in February is currently the most expensive (average of $777). 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.

Reviews of airlines servicing Dulles Intl

Get insights into the airlines that provide service to Dulles Intl. 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 Dulles Intl. Reviews last updated June 7, 2026.
Read through reviews of airlines operating flights from Argentina to Washington, D.C. Dulles Intl Airport, such as Delta,Copa Airlines, andAvianca. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
8,396 reviews

Comfort

7.8

Food

7.2

Boarding

8.1

Entertainment

7.8

Overall

7.9

Crew

8.5

Reviews

1 / 20
8.0
Excellent

Rakshith,May 2026

TPE - SEA

I got middle seat, but it was cheap $340 for Taipei to PDX ,
Delta
7.9
Good
8,396 reviews
Delta
7.9
Good
8,396 reviews

Comfort

7.8

Food

7.2

Boarding

8.1

Entertainment

7.8

Overall

7.9

Crew

8.5

Reviews

1 / 20
8.0
Excellent

Rakshith,May 2026

TPE - SEA

I got middle seat, but it was cheap $340 for Taipei to PDX ,
Copa Airlines
7.5
Good
1,567 reviews
Delta
7.9
Good
8,396 reviews

Comfort

7.8

Food

7.2

Boarding

8.1

Entertainment

7.8

Overall

7.9

Crew

8.5

Reviews

1 / 20
8.0
Excellent

Rakshith,May 2026

TPE - SEA

I got middle seat, but it was cheap $340 for Taipei to PDX ,
Avianca
6.5
Okay
2,530 reviews
Delta
7.9
Good
8,396 reviews

Comfort

7.8

Food

7.2

Boarding

8.1

Entertainment

7.8

Overall

7.9

Crew

8.5

Reviews

1 / 20
8.0
Excellent

Rakshith,May 2026

TPE - SEA

I got middle seat, but it was cheap $340 for Taipei to PDX ,

Related info for your journey

Find useful and relevant information for your journey from Argentina to Dulles Intl. 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 Argentina to Washington, D.C. Dulles Intl Airport?

    There are many flights that can get you from Argentina to Washington, D.C. Dulles Intl Airport in 14h 32m. Fly via Copa Airlines, Avianca, or American Airlines to get the fastest option. Argentina and Washington, D.C. Dulles Intl Airport are separated by a distance of 5235 mi. This flight may include one or multiple stops.

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

    To fly one-way, consider booking your trip with Copa Airlines, which is currently one of the cheapest options available, starting at $356. Avianca flights start at $375 while deals on Delta start at $455 one-way.

  • What are the most popular routes from Argentina to Washington, D.C. Dulles Intl Airport?

    While some choose either Buenos Aires Jorge Newbery - Washington, D.C. Dulles Intl or Mendoza El Plumerillo - Washington, D.C. Dulles Intl, Buenos Aires Ministro Pistarini - Washington, D.C. Dulles Intl is the most popular route from Argentina to Washington, D.C. Dulles Intl Airport.

  • Can I find deals for flights from Argentina to Dulles Intl that include hotel bookings?

    Yes. In addition to deals on Argentina to Dulles Intl flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Argentina to Dulles Intl?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Argentina to Dulles Intl.

  • Can I find deals for business class flights from Argentina to Dulles Intl?

    Yes. Cheapflights offers flight deals from Argentina to Dulles Intl 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 Argentina to Washington, D.C. Dulles Intl Airport?

    Currently, December is the cheapest month in which you can book a flight from Argentina to Washington, D.C. Dulles Intl Airport (average of $232). Flying from Argentina to Washington, D.C. Dulles Intl Airport in February is currently the most expensive (average of $777). 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

Traveling to a place near Washington, D.C. Dulles Intl Airport?

Book flights to Washington, D.C. Dulles Intl Airport if you plan to visit one of these locations
Alexandria
Tysons
Owings Mills
Springfield
Arlington
Reston
Rockville
Herndon
Fredericksburg
Hyattsville
Manassas
Hanover
Chantilly
Laurel
Falls Church
Waldorf
Silver Spring
Largo
Clinton
Hunt Valley

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Top 3 airlines flying from Argentina to Dulles Intl

Discover the top 3 airlines that operate flights from Argentina to Dulles Intl. 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 June 7, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$344Average$1,033FlexibilityNo cancel feeOn-timeN/A
Copa AirlinesCheapest$378Average$692FlexibilityNo cancel feeOn-time70%
AviancaCheapest$617Average$682FlexibilityNo cancel feeOn-time71%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.
Site
©2026 Cheapflights