Argentina

$271+ 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 4/21. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — EZE
Apr 2 — Apr 91
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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 March 28, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$627
(Priceline)

One-way from

$271
(United Airlines)

Popular in

December

Cheapest in

May

Average price

$1,026
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 ($144 potential increase over avg. RT price).
Cheapest flight prices on average. 3% potential price decrease ($36 potential savings vs. average RT price).
Average for round-trip flights in March 2025

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 March 28, 2025.

This Priceline deal was found by Cheapflights users on 3/27. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/107:00 amIAD - EZE
1 stop16h 10mAvianca
Mon 9/151:40 amEZE - IAD
2 stops17h 25mAvianca
Deal found 3/27$627
This Delta deal was found by Cheapflights users on 3/27. 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.
Sun 8/2410:05 amIAD - EZE
2 stops39h 25mDelta
Wed 9/33:55 amEZE - IAD
2 stops21h 15mDelta
Deal found 3/27$629
This Priceline deal was found by Cheapflights users on 3/26. 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.
Sat 11/15:30 amIAD - AEP
2 stops23h 10mAvianca
Sun 11/97:00 amAEP - IAD
1 stop23h 50mAvianca
Deal found 3/26$670
This Copa Airlines deal was found by Cheapflights users on 3/28. 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.
Mon 4/282:19 amIAD - EZE
1 stop21h 39mCopa Airlines
Thu 5/82:32 pmEZE - IAD
1 stop14h 48mCopa Airlines
Deal found 3/28$675
This LATAM Airlines deal was found by Cheapflights users on 3/27. 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 LATAM Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/1212:30 pmIAD - AEP
2 stops27h 30mLATAM Airlines
Thu 9/43:40 pmAEP - IAD
2 stops23h 19mLATAM Airlines
Deal found 3/27$687
This Kiwi.com deal was found by Cheapflights users on 3/27. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/212:19 amIAD - EZE
1 stop18h 52mMultiple Airlines
Tue 5/64:45 pmEZE - IAD
1 stop13h 50mMultiple Airlines
Deal found 3/27$688
This LATAM Airlines deal was found by Cheapflights users on 3/27. 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 LATAM Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/2612:30 pmIAD - EZE
2 stops22h 27mLATAM Airlines
Fri 9/57:35 amEZE - IAD
2 stops17h 35mLATAM Airlines
Deal found 3/27$708
This Expedia deal was found by Cheapflights users on 3/26. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/13:25 pmIAD - COR
1 stop13h 45mAvianca
Sat 8/237:35 amCOR - IAD
1 stop31h 25mAvianca
Deal found 3/26$766
This Expedia deal was found by Cheapflights users on 3/26. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/86:00 amIAD - AEP
2 stops20h 05mMultiple Airlines
Sun 11/167:00 amAEP - IAD
1 stop23h 50mMultiple Airlines
Deal found 3/26$789
This United Airlines deal was found by Cheapflights users on 3/27. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/36:30 amIAD - EZE
1 stop22h 50mUnited Airlines
Sat 12/1311:55 pmEZE - IAD
1 stop24h 41mUnited Airlines
Deal found 3/27$813
This LATAM Airlines deal was found by Cheapflights users on 3/27. 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 LATAM Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/812:35 pmIAD - MDZ
2 stops29h 25mLATAM Airlines
Sun 9/147:55 amMDZ - IAD
2 stops26h 15mLATAM Airlines
Deal found 3/27$887
This KAYAK deal was found by Cheapflights users on 3/27. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/89:34 amIAD - MDZ
1 stop13h 35mCopa Airlines
Sat 9/131:17 amMDZ - IAD
1 stop14h 49mCopa Airlines
Deal found 3/27$916

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 March 28, 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

Wed 9/10

7:00 am-12:10 am

1 stop16h 10m

Buenos Aires Ministro Pistarini

Mon 9/15

1:40 am-6:05 pm

2 stops17h 25m

$627

Washington, D.C.Buenos Aires

IAD - EZE

IADEZE

Washington, D.C. Dulles Intl

Sun 8/24

10:05 am-2:30 am

2 stops39h 25m

Buenos Aires Ministro Pistarini

Wed 9/3

3:55 am-12:10 am

2 stops21h 15m

$629

Washington, D.C.Buenos Aires

IAD - EZE

IADEZE

Washington, D.C. Dulles Intl

Mon 4/28

2:19 am-12:58 am

1 stop21h 39m

Buenos Aires Ministro Pistarini

Thu 5/8

2:32 pm-4:20 am

1 stop14h 48m

$675

Washington, D.C.Buenos Aires

IAD - AEP

IADAEP

Washington, D.C. Dulles Intl

Tue 8/12

12:30 pm-5:00 pm

2 stops27h 30m

Buenos Aires Jorge Newbery

Thu 9/4

3:40 pm-1:59 pm

2 stops23h 19m

$687

Washington, D.C.Buenos Aires

IAD - EZE

IADEZE

Washington, D.C. Dulles Intl

Mon 4/21

2:19 am-10:11 pm

1 stop18h 52m

Buenos Aires Ministro Pistarini

Tue 5/6

4:45 pm-5:35 am

1 stop13h 50m

$688

Washington, D.C.Buenos Aires

IAD - EZE

IADEZE

Washington, D.C. Dulles Intl

Tue 8/26

12:30 pm-11:57 am

2 stops22h 27m

Buenos Aires Ministro Pistarini

Fri 9/5

7:35 am-12:10 am

2 stops17h 35m

$708

Washington, D.C.Buenos Aires

IAD - AEP

IADAEP

Washington, D.C. Dulles Intl

Sun 8/10

7:00 am-5:40 am

1 stop21h 40m

Buenos Aires Jorge Newbery

Sat 8/23

7:00 am-4:20 am

2 stops22h 20m

$712

Washington, D.C.Cordoba

IAD - COR

IADCOR

Washington, D.C. Dulles Intl

Fri 8/1

3:25 pm-6:10 am

1 stop13h 45m

Cordoba Pajas Blancas

Sat 8/23

7:35 am-2:00 pm

1 stop31h 25m

$766

Washington, D.C.Buenos Aires

IAD - AEP

IADAEP

Washington, D.C. Dulles Intl

Wed 4/23

7:00 am-5:40 am

1 stop21h 40m

Buenos Aires Jorge Newbery

Sat 5/3

12:45 pm-9:23 pm

2 stops33h 38m

$800

Washington, D.C.Buenos Aires

IAD - EZE

IADEZE

Washington, D.C. Dulles Intl

Sun 5/25

10:32 pm-8:00 am

1 stop32h 28m

Buenos Aires Ministro Pistarini

Tue 6/3

9:00 pm-11:58 pm

1 stop27h 58m

$822

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/27

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 March 28, 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 March 28, 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.
8.0
Very good

Comfort

8.0

Crew

8.5

Food

7.3

Boarding

8.2

Entertainment

7.9

Overall

8.0

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.
8.0
Very good
8.0
Very good

Comfort

8.0

Crew

8.5

Food

7.3

Boarding

8.2

Entertainment

7.9

Overall

8.0

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.
8.0
Very good

Comfort

8.0

Crew

8.5

Food

7.3

Boarding

8.2

Entertainment

7.9

Overall

8.0

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.
8.0
Very good

Comfort

8.0

Crew

8.5

Food

7.3

Boarding

8.2

Entertainment

7.9

Overall

8.0

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.
8.0
Very good

Comfort

8.0

Crew

8.5

Food

7.3

Boarding

8.2

Entertainment

7.9

Overall

8.0

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.
8.0
Very good

Comfort

8.0

Crew

8.5

Food

7.3

Boarding

8.2

Entertainment

7.9

Overall

8.0

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?

    $271 is the cheapest one-way deal found within the past few days, from United Airlines. You may also be able to find cheap deals on Avianca and LATAM Airlines, with prices starting from $285 and $299, 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 $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

Browse thousands of different options on Cheapflights for your next trip

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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.

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 March 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
Copa AirlinesCheapest$549Average$1,242FlexibilityNo cancel feeOn-time70%
AviancaCheapest$692Average$916FlexibilityNo cancel feeOn-time71%
DeltaCheapest$728Average$1,260FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$850Average$1,235FlexibilityNo cancel feeOn-time69%
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