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Dulles Intl

$340+ Cheap flights from Buenos Aires (BUE) 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 11/22. Fares are subject to change and may not be available on all flights or dates of travel.
BUE — IAD
dez 6 — dez 131
sáb 12/6
sáb 12/13
1 adult, Economy
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Cheap flight deals from Buenos Aires to Dulles Intl

Discover tips and strategies to find the most affordable flight options for your journey from Buenos Aires (BUE) to Dulles Intl (IAD). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated novembro 6, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$638
(American Airlines)

One-way from

$340
(Kiwi.com)

Popular in

January

Cheapest in

April

Average price

$718
Provider with most accurate pricing for Buenos Aires (BUE)-Washington, D.C. Dulles Intl flight deals.
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Provider most trusted by Cheapflights users for Buenos Aires (BUE)-Washington, D.C. Dulles Intl flights.
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From Buenos Aires (BUE) to Washington, D.C. Dulles Intl
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One-way flight from Buenos Aires (BUE) to Washington, D.C. Dulles Intl
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Highest demand for flights based on searches. 27% potential increase in price ($340 potential increase over avg. RT price).
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Cheapest flight prices on average. 7% potential price decrease ($63 potential savings vs. average RT price).
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Average for round-trip flights in November 2025
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Find flight deals from Buenos Aires to Dulles Intl

Cheapest flights from Buenos Aires to Dulles Intl
Explore the most affordable flight options available from Buenos Aires to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on novembro 6, 2025.

This American Airlines deal was found by Cheapflights users on 11/6. 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.
seg 12/111:59 pmEZE - IAD
2 stops25h 08mAmerican Airlines
qui 12/116:25 amIAD - EZE
2 stops22h 40mAmerican Airlines
Deal found 11/6$638
This American Airlines deal was found by Cheapflights users on 11/5. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
qua 11/2611:20 pmEZE - IAD
2 stops19h 22mAmerican Airlines
sex 12/52:16 pmIAD - EZE
2 stops18h 24mAmerican Airlines
Deal found 11/5$654
This Mytrip deal was found by Cheapflights users on 11/4. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb 11/84:55 pmEZE - IAD
1 stop13h 30mAvianca
dom 11/94:30 amIAD - EZE
2 stops23h 20mAvianca
Deal found 11/4$656
This United Airlines deal was found by Cheapflights users on 11/6. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
seg 12/810:05 pmEZE - IAD
1 stop15h 18mUnited Airlines
seg 12/2912:48 pmIAD - EZE
1 stop18h 32mUnited Airlines
Deal found 11/6$666
This Kiwi.com deal was found by Cheapflights users on 11/5. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
qua 11/264:55 pmEZE - IAD
1 stop22h 20mAvianca
sex 12/55:45 amIAD - EZE
1 stop22h 05mAvianca
Deal found 11/5$672
This Copa Airlines deal was found by Cheapflights users on 11/5. 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.
qua 11/265:16 amEZE - IAD
1 stop20h 17mCopa Airlines
qui 12/41:13 amIAD - EZE
1 stop19h 18mCopa Airlines
Deal found 11/5$676
This United Airlines deal was found by Cheapflights users on 11/6. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
seg 11/1711:55 pmEZE - IAD
1 stop22h 56mUnited Airlines
dom 11/238:30 amIAD - EZE
1 stop22h 50mUnited Airlines
Deal found 11/6$679
This Kiwi.com deal was found by Cheapflights users on 11/6. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
seg 12/87:30 amEZE - IAD
2 stops21h 40mMultiple Airlines
seg 12/295:25 amIAD - EZE
1 stop15h 06mMultiple Airlines
Deal found 11/6$683
This United Airlines deal was found by Cheapflights users on 11/6. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
qui 11/2711:55 pmEZE - IAD
1 stop22h 56mUnited Airlines
qui 12/412:45 pmIAD - EZE
1 stop16h 35mUnited Airlines
Deal found 11/6$688
This Expedia deal was found by Cheapflights users on 11/4. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
qua 11/264:55 pmEZE - IAD
1 stop22h 20mMultiple Airlines
sáb 12/63:38 pmIAD - EZE
2 stops15h 57mMultiple Airlines
Deal found 11/4$690
This Kiwi.com deal was found by Cheapflights users on 11/4. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb 11/84:55 pmEZE - IAD
1 stop13h 30mMultiple Airlines
dom 11/91:13 amIAD - EZE
1 stop19h 18mMultiple Airlines
Deal found 11/4$691
This Priceline deal was found by Cheapflights users on 11/4. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb 11/87:00 amAEP - IAD
1 stop23h 25mAvianca
dom 11/94:30 amIAD - AEP
2 stops23h 10mAvianca
Deal found 11/4$717

Cheapflights Fare Finder

 
Customize your flight search to find flights from Buenos Aires 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 novembro 6, 2025.
Use the filters below to find and compare flights from Buenos Aires to Washington, D.C. Dulles Intl Airport that are best for you.

Fly from

Buenos Aires

Fly to

Dulles Intl

Route

Depart

Return

Price

Buenos AiresWashington, D.C.

EZE - IAD

EZEIAD

Buenos Aires Ministro Pistarini

seg 12/8

10:05 pm-11:23 am

1 stop15h 18m

Washington, D.C. Dulles Intl

seg 12/29

12:48 pm-9:20 am

1 stop18h 32m

$666

Buenos AiresWashington, D.C.

EZE - IAD

EZEIAD

Buenos Aires Ministro Pistarini

qui 11/20

5:16 am-3:22 am

1 stop24h 06m

Washington, D.C. Dulles Intl

sáb 12/27

1:13 am-10:31 pm

1 stop19h 18m

$676

Buenos AiresWashington, D.C.

EZE - IAD

EZEIAD

Buenos Aires Ministro Pistarini

qua 11/26

2:34 pm-3:22 am

1 stop14h 48m

Washington, D.C. Dulles Intl

sex 12/5

1:13 am-10:31 pm

1 stop19h 18m

$676

Buenos AiresWashington, D.C.

EZE - IAD

EZEIAD

Buenos Aires Ministro Pistarini

seg 12/8

9:03 am-3:22 am

1 stop20h 19m

Washington, D.C. Dulles Intl

dom 12/28

1:13 am-1:58 am

1 stop22h 45m

$676

Buenos AiresWashington, D.C.

EZE - IAD

EZEIAD

Buenos Aires Ministro Pistarini

ter 12/9

5:16 am-11:33 pm

1 stop20h 17m

Washington, D.C. Dulles Intl

sex 1/2

1:12 am-10:34 pm

1 stop19h 22m

$676

Buenos AiresWashington, D.C.

EZE - IAD

EZEIAD

Buenos Aires Ministro Pistarini

qua 11/26

5:16 am-11:33 pm

1 stop20h 17m

Washington, D.C. Dulles Intl

qui 12/4

1:13 am-10:31 pm

1 stop19h 18m

$676

Buenos AiresWashington, D.C.

EZE - IAD

EZEIAD

Buenos Aires Ministro Pistarini

seg 11/17

11:55 pm-8:51 pm

1 stop22h 56m

Washington, D.C. Dulles Intl

dom 11/23

12:55 pm-9:20 am

1 stop18h 25m

$679

Buenos AiresWashington, D.C.

EZE - IAD

EZEIAD

Buenos Aires Ministro Pistarini

seg 12/8

7:30 am-3:10 am

2 stops21h 40m

Washington, D.C. Dulles Intl

seg 12/29

5:25 am-10:31 pm

1 stop15h 06m

$683

Buenos AiresWashington, D.C.

AEP - IAD

AEPIAD

Buenos Aires Jorge Newbery

qua 11/26

12:40 pm-11:39 am

2 stops24h 59m

Washington, D.C. Dulles Intl

sáb 12/6

6:15 pm-5:40 am

2 stops33h 25m

$899

Buenos AiresWashington, D.C.

AEP - IAD

AEPIAD

Buenos Aires Jorge Newbery

dom 11/30

3:55 pm-2:02 pm

2 stops48h 07m

Washington, D.C. Dulles Intl

qui 12/4

2:35 pm-5:40 am

1 stop13h 05m

$931

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/5

Showing 1-10 of 38 results
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Compare providers for flights from Buenos Aires to Dulles Intl

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Buenos Aires to Dulles Intl in November.
ProviderPrice AccuracyTrust Score*
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Buenos Aires-Washington, D.C. Dulles Intl Airport flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Buenos Aires-Washington, D.C. Dulles Intl Airport flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Buenos Aires-Washington, D.C. Dulles Intl Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Buenos Aires-Washington, D.C. Dulles Intl Airport flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Buenos Aires-Washington, D.C. Dulles Intl Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Buenos Aires to Dulles Intl

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

What is the cheapest time of day to fly from BUE to IAD?

Find hourly flight availability from Buenos Aires to Dulles Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated novembro 6, 2025.

It’s typically best to fly out from Buenos Aires to Washington, D.C. Dulles Intl Airport in the afternoon. Doing so could potentially save you 14% on the flight price compared to flying in the evening, which is usually more expensive.

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 novembro 6, 2025.
Get a feel of what it's like to fly with Copa Airlines and Avianca from Buenos Aires to Washington, D.C. Dulles Intl Airport by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Copa Airlines
7.6
Good
1,563 reviews

Crew

8.1

Entertainment

6.8

Overall

7.6

Boarding

7.8

Comfort

7.4

Food

6.9

Reviews

1 / 20
4.0
Okay

Juan Pablo,Sep 2025

PTY - VVI

not a good expirience, the plane was packed, the seats wear very unconftrable, coudent conect with the entratainmente service on the plane, the onboarding was in charge of a very angry lady i really had a unplesent trip
Copa Airlines
7.6
Good
1,563 reviews
Copa Airlines
7.6
Good
1,563 reviews

Crew

8.1

Entertainment

6.8

Overall

7.6

Boarding

7.8

Comfort

7.4

Food

6.9

Reviews

1 / 20
4.0
Okay

Juan Pablo,Sep 2025

PTY - VVI

not a good expirience, the plane was packed, the seats wear very unconftrable, coudent conect with the entratainmente service on the plane, the onboarding was in charge of a very angry lady i really had a unplesent trip
Avianca
6.6
Okay
2,469 reviews
Copa Airlines
7.6
Good
1,563 reviews

Crew

8.1

Entertainment

6.8

Overall

7.6

Boarding

7.8

Comfort

7.4

Food

6.9

Reviews

1 / 20
4.0
Okay

Juan Pablo,Sep 2025

PTY - VVI

not a good expirience, the plane was packed, the seats wear very unconftrable, coudent conect with the entratainmente service on the plane, the onboarding was in charge of a very angry lady i really had a unplesent trip

Related info for your journey

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

    United Airlines, Copa Airlines, and LATAM Airlines can get you from Buenos Aires to Washington, D.C. Dulles Intl Airport in just under 15h 18m. Your travel time can differ by up to 14h 41m. There are 5235 mi between Buenos Aires and Washington, D.C. Dulles Intl Airport. This flight may include one or multiple stops.

  • What are the cheapest airlines flying from Buenos Aires to Washington, D.C. Dulles Intl Airport round-trip?

    Cheapflights users have booked flights from Buenos Aires to Washington, D.C. Dulles Intl Airport round-trip from $344. Other airlines that can offer you cheap pricing are Avianca, from $434, and Copa Airlines, from $442. You may be able to fly from Buenos Aires to Washington, D.C. Dulles Intl Airport for 62% less than the average price by searching for these airlines.

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

    $421 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 $455 and $462, respectively.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Buenos Aires 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.

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
Woodbridge
Arlington
Owings Mills
Springfield
Hanover
Silver Spring
Fairfax
Fredericksburg
Falls Church
Linthicum Heights
Manassas
Laurel
Towson
National Harbor
Waldorf
Bowie
Largo
McLean

Browse thousands of different options on Cheapflights for your next trip

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Top 3 airlines flying from Buenos Aires to Dulles Intl

Discover the top 3 airlines that operate flights from Buenos Aires 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 novembro 6, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$344Average$1,064FlexibilityNo cancel feeOn-timeN/A
AviancaCheapest$434Average$684FlexibilityNo cancel feeOn-time71%
Copa AirlinesCheapest$442Average$877FlexibilityNo cancel feeOn-time70%

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