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$270+ 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 8/26. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — EZE
May 5 — May 121
Mon 5/5
Mon 5/12
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 April 30, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$619
(Priceline)

One-way from

$270
(Priceline)

Popular in

December

Cheapest in

May

Average price

$951
Provider with most accurate pricing for Washington, D.C. (WAS)-Buenos Aires (BUE) flight deals.
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Provider most trusted by Cheapflights users for Washington, D.C. (WAS)-Buenos Aires (BUE) flights.
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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. 13% potential increase in price ($161 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($39 potential savings vs. average RT price).
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Average for round-trip flights in April 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 April 30, 2025.

This Priceline deal was found by Cheapflights users on 4/29. 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.
Sun 6/82:35 amIAD - EZE
3 stops20h 35mAvianca
Tue 6/244:45 pmEZE - IAD
1 stop22h 15mAvianca
Deal found 4/29$619
This Priceline deal was found by Cheapflights users on 4/29. 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.
Sun 8/177:00 amIAD - AEP
1 stop21h 40mAvianca
Sat 8/307:00 amAEP - IAD
1 stop23h 35mAvianca
Deal found 4/29$621
This Delta deal was found by Cheapflights users on 4/28. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/247:50 pmIAD - EZE
1 stop35h 10mDelta
Thu 12/48:55 pmEZE - IAD
1 stop19h 02mDelta
Deal found 4/28$622
This United Airlines deal was found by Cheapflights users on 4/28. 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.
Thu 11/2710:06 pmIAD - EZE
1 stop31h 14mUnited Airlines
Wed 12/311:55 pmEZE - IAD
1 stop24h 41mUnited Airlines
Deal found 4/28$624
This Copa Airlines deal was found by Cheapflights users on 4/29. 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 Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/139:34 amIAD - EZE
1 stop17h 40mCopa Airlines
Wed 9/245:03 amEZE - IAD
1 stop24h 19mCopa Airlines
Deal found 4/29$630
This LATAM Airlines deal was found by Cheapflights users on 4/29. 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 LATAM Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/1912:35 pmIAD - AEP
2 stops25h 05mLATAM Airlines
Thu 10/28:40 amAEP - IAD
2 stops28h 10mLATAM Airlines
Deal found 4/29$687
This LATAM Airlines deal was found by Cheapflights users on 4/29. 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 LATAM Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/212:30 pmIAD - EZE
2 stops28h 43mLATAM Airlines
Fri 9/197:35 amEZE - IAD
2 stops26h 36mLATAM Airlines
Deal found 4/29$687
This Mytrip deal was found by Cheapflights users on 4/28. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/124:05 amIAD - BRC
3 stops28h 12mMultiple Airlines
Thu 6/1912:45 pmBRC - IAD
2 stops17h 50mMultiple Airlines
Deal found 4/28$711
This Mytrip deal was found by Cheapflights users on 4/28. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/171:05 amIAD - EZE
3 stops25h 35mMultiple Airlines
Mon 6/231:40 amEZE - IAD
2 stops23h 05mMultiple Airlines
Deal found 4/28$714
This Priceline deal was found by Cheapflights users on 4/28. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/2812:20 pmIAD - AEP
2 stops25h 20mMultiple Airlines
Wed 6/47:00 amAEP - IAD
2 stops22h 20mMultiple Airlines
Deal found 4/28$723
This Mytrip deal was found by Cheapflights users on 4/29. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/315:45 amIAD - MDZ
3 stops25h 15mMultiple Airlines
Sat 6/79:00 pmMDZ - IAD
2 stops33h 35mMultiple Airlines
Deal found 4/29$853
This American Airlines deal was found by Cheapflights users on 4/29. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/711:51 amIAD - MDZ
2 stops24h 39mAmerican Airlines
Mon 8/186:20 pmMDZ - IAD
3 stops29h 41mAmerican Airlines
Deal found 4/29$879

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 April 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.Buenos Aires

IAD - EZE

IADEZE

Washington, D.C. Dulles Intl

Sun 6/8

2:35 am-12:10 am

3 stops20h 35m

Buenos Aires Ministro Pistarini

Tue 6/24

4:45 pm-2:00 pm

1 stop22h 15m

$619

Washington, D.C.Buenos Aires

IAD - AEP

IADAEP

Washington, D.C. Dulles Intl

Sun 8/17

7:00 am-5:40 am

1 stop21h 40m

Buenos Aires Jorge Newbery

Sat 8/30

7:00 am-5:35 am

1 stop23h 35m

$621

Washington, D.C.Buenos Aires

IAD - EZE

IADEZE

Washington, D.C. Dulles Intl

Fri 8/22

5:30 pm-9:45 am

1 stop15h 15m

Buenos Aires Ministro Pistarini

Thu 8/28

8:10 pm-9:10 am

1 stop14h 00m

$629

Washington, D.C.Buenos Aires

IAD - EZE

IADEZE

Washington, D.C. Dulles Intl

Sat 9/13

9:34 am-4:14 am

1 stop17h 40m

Buenos Aires Ministro Pistarini

Wed 9/24

5:03 am-4:22 am

1 stop24h 19m

$630

Washington, D.C.Buenos Aires

IAD - EZE

IADEZE

Washington, D.C. Dulles Intl

Thu 5/29

6:10 am-8:00 am

1 stop24h 50m

Buenos Aires Ministro Pistarini

Sun 6/8

9:00 pm-11:58 pm

1 stop27h 58m

$638

Washington, D.C.Buenos Aires

IAD - AEP

IADAEP

Washington, D.C. Dulles Intl

Tue 8/19

12:35 pm-2:40 pm

2 stops25h 05m

Buenos Aires Jorge Newbery

Thu 10/2

8:40 am-11:50 am

2 stops28h 10m

$687

Washington, D.C.Buenos Aires

IAD - EZE

IADEZE

Washington, D.C. Dulles Intl

Tue 9/2

12:30 pm-6:13 pm

2 stops28h 43m

Buenos Aires Ministro Pistarini

Fri 9/19

7:35 am-9:11 am

2 stops26h 36m

$687

Washington, D.C.Buenos Aires

IAD - EZE

IADEZE

Washington, D.C. Dulles Intl

Tue 6/17

1:05 am-3:40 am

3 stops25h 35m

Buenos Aires Ministro Pistarini

Mon 6/23

1:40 am-11:45 pm

2 stops23h 05m

$714

Washington, D.C.Buenos Aires

IAD - AEP

IADAEP

Washington, D.C. Dulles Intl

Wed 5/28

12:20 pm-2:40 pm

2 stops25h 20m

Buenos Aires Jorge Newbery

Wed 6/4

7:00 am-4:20 am

2 stops22h 20m

$723

Washington, D.C.Mendoza

IAD - MDZ

IADMDZ

Washington, D.C. Dulles Intl

Sat 5/31

5:45 am-8:00 am

3 stops25h 15m

Mendoza El Plumerillo

Sat 6/7

9:00 pm-5:35 am

2 stops33h 35m

$853

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/29

Showing 1-10 of 34 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 April 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.

Rainfall in Argentina by month

Plan your trip to Argentina by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Argentina ranges from 2.0 - 3.9 inches per month. January is typically the wettest month, when rainfall can reach 3.9 in. June is typically the driest time to visit Argentina when rainfall is around 2.0 in.

Temperature in Argentina by month

Plan your trip to Argentina by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Argentina, use this chart to help with planning. For those seeking warmer temperatures, January is the ideal time of year to visit, when temperatures reach an average of 77.0 F. Travelers looking to avoid the cold should look outside of June, when temperatures are typically at their lowest (around 51.8 F).

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 April 30, 2025.
See what other customers who have flown with Delta, LATAM Airlines and Copa Airlines from Washington, D.C. to Argentina have to say. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,936 reviews

Crew

8.5

Boarding

8.2

Food

7.3

Overall

8.0

Comfort

7.9

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Delta
8.0
Very good
7,936 reviews
Delta
8.0
Very good
7,936 reviews

Crew

8.5

Boarding

8.2

Food

7.3

Overall

8.0

Comfort

7.9

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
LATAM Airlines
7.5
Good
1,767 reviews
Delta
8.0
Very good
7,936 reviews

Crew

8.5

Boarding

8.2

Food

7.3

Overall

8.0

Comfort

7.9

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Copa Airlines
7.5
Good
1,411 reviews
Delta
8.0
Very good
7,936 reviews

Crew

8.5

Boarding

8.2

Food

7.3

Overall

8.0

Comfort

7.9

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
United Airlines
7.4
Good
8,696 reviews
Delta
8.0
Very good
7,936 reviews

Crew

8.5

Boarding

8.2

Food

7.3

Overall

8.0

Comfort

7.9

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,936 reviews

Crew

8.5

Boarding

8.2

Food

7.3

Overall

8.0

Comfort

7.9

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

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?

    $270 is the cheapest one-way deal found within the past few days, from Avianca. You may also be able to find cheap deals on United Airlines and Copa Airlines, with prices starting from $270 and $283, 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 - Cordoba Pajas Blancas 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 Ministro Pistarini flights
Reagan-National to Viracopos flights
Dulles Intl to Viracopos flights
Dulles Intl to Santos Dumont flights
Reagan-National to Ministro Pistarini flights
Dulles Intl to Quito flights
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Reagan-National to Santiago flights
Dulles Intl to Jorge Newbery flights
Baltimore to Ministro Pistarini flights
Baltimore to Santiago flights
Dulles Intl to Santa Cruz de la Sierra flights
Dulles Intl to Cali flights
Reagan-National to Georgetown flights
Dulles Intl to Georgetown flights
Reagan-National to Quito flights
Baltimore to Quito flights
Dulles Intl to Guayaquil flights
Reagan-National to Santa Cruz de la Sierra flights
Dulles Intl to Cuzco flights
Baltimore to Cali flights
Baltimore to Cuzco flights
Reagan-National to Cali flights
Reagan-National to Cuzco flights
Reagan-National to Guayaquil flights
Baltimore to Georgetown 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 April 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
Copa AirlinesCheapest$549Average$1,297FlexibilityNo cancel feeOn-time70%
AviancaCheapest$614Average$941FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$672Average$1,187FlexibilityNo cancel feeOn-time69%
DeltaCheapest$728Average$1,217FlexibilityNo cancel feeOn-timeN/A

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