Argentina

$287+ 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 6/12. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — EZE
Jun 10 — Jun 171
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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 May 11, 2026.

This LATAM Airlines deal was found by Cheapflights users on 5/10. 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 6/123:02 pm
IAD
-
EZE
2 stops17h 38m
LATAM Airlines
Tue 6/168:30 pm
EZE
-
IAD
2 stops23h 02m
LATAM Airlines
Deal found 5/10$683
This LATAM Airlines deal was found by Cheapflights users on 5/11. 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.
Tue 10/131:00 pm
IAD
-
EZE
2 stops19h 40m
LATAM Airlines
Wed 10/2112:15 pm
EZE
-
IAD
2 stops31h 55m
LATAM Airlines
Deal found 5/11$697
This FlightHub deal was found by Cheapflights users on 5/11. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/85:46 pm
IAD
-
EZE
2 stops24h 04m
LATAM Airlines
Tue 7/141:10 pm
EZE
-
IAD
2 stops23h 27m
LATAM Airlines
Deal found 5/11$698
This FlightHub deal was found by Cheapflights users on 5/10. 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 6/812:37 pm
IAD
-
EZE
2 stops20h 03m
LATAM Airlines
Mon 6/151:10 pm
EZE
-
IAD
2 stops23h 29m
LATAM Airlines
Deal found 5/10$702
This Copa Airlines deal was found by Cheapflights users on 5/10. 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 6/54:38 pm
IAD
-
EZE
1 stop14h 13m
Copa Airlines
Sat 6/139:02 am
EZE
-
IAD
1 stop16h 31m
Copa Airlines
Deal found 5/10$709
This LATAM Airlines deal was found by Cheapflights users on 5/11. 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.
Wed 9/94:00 pm
IAD
-
EZE
2 stops16h 40m
LATAM Airlines
Wed 9/167:35 am
EZE
-
IAD
2 stops17h 35m
LATAM Airlines
Deal found 5/11$711
This FlightHub deal was found by Cheapflights users on 5/10. 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.
Wed 7/83:02 pm
IAD
-
EZE
2 stops17h 38m
LATAM Airlines
Thu 7/1612:15 pm
EZE
-
IAD
2 stops30h 36m
LATAM Airlines
Deal found 5/10$716
This LATAM Airlines deal was found by Cheapflights users on 5/10. 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 6/58:05 am
IAD
-
AEP
2 stops29h 45m
LATAM Airlines
Tue 6/95:35 pm
AEP
-
IAD
2 stops19h 04m
LATAM Airlines
Deal found 5/10$721
This Delta deal was found by Cheapflights users on 5/10. 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 12/294:15 pm
IAD
-
EZE
1 stop15h 25m
Delta
Fri 1/2911:35 pm
EZE
-
IAD
1 stop14h 24m
Delta
Deal found 5/10$721
This Bravofly deal was found by Cheapflights users on 5/7. 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 Bravofly is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/213:08 pm
IAD
-
EZE
2 stops17h 32m
LATAM Airlines
Sun 6/288:30 pm
EZE
-
IAD
2 stops23h 02m
LATAM Airlines
Deal found 5/7$724
This Delta deal was found by Cheapflights users on 5/11. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/123:02 pm
IAD
-
EZE
2 stops17h 38m
Delta
Mon 6/2210:40 pm
EZE
-
IAD
2 stops16h 22m
Delta
Deal found 5/11$725
This LATAM Airlines deal was found by Cheapflights users on 5/11. 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.
Sun 7/58:29 am
IAD
-
EZE
1 stop24h 16m
LATAM Airlines
Sun 7/268:10 pm
EZE
-
IAD
1 stop18h 51m
LATAM Airlines
Deal found 5/11$728

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 May 11, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$683
(LATAM Airlines)

One-way from

$287
(KAYAK)

Popular in

December

Cheapest in

August

Average price

$726
Provider with most accurate pricing for Washington, D.C. (WAS)-Buenos Aires (BUE) flight deals.
Provider most trusted by Cheapflights users for Washington, D.C. (WAS)-Buenos Aires (BUE) flights.
From Washington, D.C. Dulles Intl to Argentina
One-way flight from Washington, D.C. Dulles Intl to Argentina
Highest demand for flights based on searches. 12% potential increase in price ($109 potential increase over avg. RT price).
Cheapest flight prices on average. 3% potential price decrease ($27 potential savings vs. average RT price).
Average for round-trip flights in May 2026

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 May 11, 2026.
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

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

Washington, D.C.Buenos Aires

IAD - EZE

IADEZE

Washington, D.C. Dulles Intl

Fri 6/5

4:38 pm-7:51 am

1 stop14h 13m

Buenos Aires Ministro Pistarini

Sat 6/13

9:02 am-12:33 am

1 stop16h 31m

$709

Washington, D.C.Buenos Aires

IAD - AEP

IADAEP

Washington, D.C. Dulles Intl

Fri 6/5

8:05 am-2:50 pm

2 stops29h 45m

Buenos Aires Jorge Newbery

Tue 6/9

5:35 pm-11:39 am

2 stops19h 04m

$721

Washington, D.C.Buenos Aires

IAD - EZE

IADEZE

Washington, D.C. Dulles Intl

Sun 8/9

2:53 pm-8:00 am

1 stop16h 07m

Buenos Aires Ministro Pistarini

Sat 8/22

9:00 pm-11:28 am

1 stop15h 28m

$721

Washington, D.C.Buenos Aires

IAD - EZE

IADEZE

Washington, D.C. Dulles Intl

Sun 8/9

2:53 pm-8:00 am

1 stop16h 07m

Buenos Aires Ministro Pistarini

Thu 8/27

9:00 pm-11:28 am

1 stop15h 28m

$721

Washington, D.C.Buenos Aires

IAD - EZE

IADEZE

Washington, D.C. Dulles Intl

Mon 6/8

12:50 pm-8:00 am

1 stop18h 10m

Buenos Aires Ministro Pistarini

Wed 6/10

9:00 pm-11:28 am

1 stop15h 28m

$721

Washington, D.C.Buenos Aires

IAD - EZE

IADEZE

Washington, D.C. Dulles Intl

Sun 8/9

2:53 pm-8:00 am

1 stop16h 07m

Buenos Aires Ministro Pistarini

Tue 8/25

9:00 pm-11:28 am

1 stop15h 28m

$721

Washington, D.C.Buenos Aires

IAD - EZE

IADEZE

Washington, D.C. Dulles Intl

Mon 6/1

12:50 pm-8:00 am

1 stop18h 10m

Buenos Aires Ministro Pistarini

Sun 6/7

9:00 pm-6:50 pm

1 stop22h 50m

$721

Washington, D.C.Buenos Aires

IAD - EZE

IADEZE

Washington, D.C. Dulles Intl

Mon 5/25

8:40 am-8:00 am

1 stop22h 20m

Buenos Aires Ministro Pistarini

Tue 6/23

9:00 pm-6:50 pm

1 stop22h 50m

$721

Washington, D.C.Buenos Aires

IAD - EZE

IADEZE

Washington, D.C. Dulles Intl

Sun 8/9

2:53 pm-8:00 am

1 stop16h 07m

Buenos Aires Ministro Pistarini

Wed 8/26

9:00 pm-11:28 am

1 stop15h 28m

$721

Washington, D.C.Buenos Aires

IAD - EZE

IADEZE

Washington, D.C. Dulles Intl

Fri 6/12

3:02 pm-9:40 am

2 stops17h 38m

Buenos Aires Ministro Pistarini

Mon 6/22

10:40 pm-2:02 pm

2 stops16h 22m

$725

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/7

Showing 1-10 of 60 resultsSorted by cheapest first
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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

How far ahead should I book a flight from Washington, D.C. Dulles Intl Airport to Argentina?

The best time to book flights from Washington, D.C. Dulles Intl Airport to Argentina is 22 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

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 $229). Flying from Washington, D.C. Dulles Intl Airport to Argentina in June is currently the most expensive (average of $346). 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 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 May 11, 2026.
Read through reviews of airlines operating flights from Washington, D.C. Dulles Intl Airport to Argentina, such as Delta,Copa Airlines, andLATAM Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Overall

7.9

Boarding

8.1

Comfort

7.8

Entertainment

7.8

Food

7.2

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional

Overall

7.9

Boarding

8.1

Comfort

7.8

Entertainment

7.8

Food

7.2

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional

Overall

7.9

Boarding

8.1

Comfort

7.8

Entertainment

7.8

Food

7.2

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional

Overall

7.9

Boarding

8.1

Comfort

7.8

Entertainment

7.8

Food

7.2

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional

Overall

7.9

Boarding

8.1

Comfort

7.8

Entertainment

7.8

Food

7.2

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional

Overall

7.9

Boarding

8.1

Comfort

7.8

Entertainment

7.8

Food

7.2

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional

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 14h 13m. 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?

    $260 is the cheapest one-way deal found within the past few days, from Delta. You may also be able to find cheap deals on Avianca and Copa Airlines, with prices starting from $264 and $271, respectively.

  • What are the most popular routes 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 $229). Flying from Washington, D.C. Dulles Intl Airport to Argentina in June is currently the most expensive (average of $346). 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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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 May 11, 2026.
AirlineCheapestAverageFlexibilityOn-time
AviancaCheapest$280Average$951FlexibilityNo cancel feeOn-time71%
DeltaCheapest$342Average$890FlexibilityNo cancel feeOn-timeN/A
Copa AirlinesCheapest$390Average$989FlexibilityNo cancel feeOn-time70%
United AirlinesCheapest$620Average$639FlexibilityNo cancel feeOn-time69%
LATAM AirlinesCheapest$635Average$749FlexibilityNo cancel feeOn-time81%

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