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Washington, D.C.

$388+ Cheap flights from Buenos Aires (BUE) to Washington, D.C. (WAS)

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 5/12. Fares are subject to change and may not be available on all flights or dates of travel.
BUE — WAS
May 1 — May 81
Fri 5/1
Fri 5/8
1 adult, Economy
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Find cheap flights from Buenos Aires to Washington, D.C. with Cheapflights

1. Tell us where you want to go

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Cheap flight deals from Buenos Aires to Washington, D.C.

Cheapest flights from Buenos Aires to Washington, D.C.
Explore the most affordable flight options available from Buenos Aires to Washington, D.C.. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 1, 2026.

This FlightHub deal was found by Cheapflights users on 3/31. 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 4/224:50 pm
EZE
-
IAD
1 stop13h 30m
Avianca
Tue 5/53:35 pm
IAD
-
EZE
1 stop13h 05m
Avianca
Deal found 3/31$688
This FlightHub 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/264:50 pm
EZE
-
IAD
1 stop13h 30m
Avianca
Sun 5/36:50 am
IAD
-
EZE
1 stop21h 50m
Avianca
Deal found 3/27$690
This Bravofly deal was found by Cheapflights users on 3/29. 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 Bravofly is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/304:50 pm
EZE
-
IAD
1 stop13h 30m
Multiple Airlines
Thu 10/85:30 pm
IAD
-
EZE
2 stops14h 50m
Multiple Airlines
Deal found 3/29$710
This Justfly.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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/157:10 am
EZE
-
IAD
1 stop23h 10m
Avianca
Sun 4/193:35 pm
IAD
-
EZE
1 stop13h 05m
Avianca
Deal found 3/27$712
This Trip.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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/234:50 pm
EZE
-
IAD
1 stop13h 30m
Avianca
Sat 4/256:50 am
IAD
-
EZE
1 stop21h 50m
Avianca
Deal found 3/27$716
This Trip.com deal was found by Cheapflights users on 3/30. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/167:10 am
EZE
-
IAD
1 stop23h 10m
Avianca
Wed 4/296:50 am
IAD
-
EZE
1 stop21h 50m
Avianca
Deal found 3/30$718
This Trip.com deal was found by Cheapflights users on 4/1. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/214:50 pm
EZE
-
IAD
1 stop13h 30m
Avianca
Tue 4/283:35 pm
IAD
-
EZE
1 stop31h 50m
Avianca
Deal found 4/1$721
This Trip.com deal was found by Cheapflights users on 4/1. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/2110:10 pm
AEP
-
IAD
2 stops32h 10m
Multiple Airlines
Tue 4/286:50 am
IAD
-
AEP
1 stop21h 50m
Multiple Airlines
Deal found 4/1$721
This Justfly.com deal was found by Cheapflights users on 3/30. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/14:50 pm
EZE
-
IAD
1 stop22h 25m
Avianca
Fri 5/86:50 am
IAD
-
EZE
1 stop21h 50m
Avianca
Deal found 3/30$725
This Mytrip 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/157:30 pm
EZE
-
IAD
2 stops34h 50m
Multiple Airlines
Sun 4/196:50 am
IAD
-
EZE
1 stop21h 50m
Multiple Airlines
Deal found 3/27$726
This Kiwi.com deal was found by Cheapflights users on 3/30. 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.
Sat 5/27:10 am
EZE
-
IAD
2 stops20h 35m
Avianca
Tue 5/56:50 am
IAD
-
EZE
1 stop16h 35m
Avianca
Deal found 3/30$734
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/264:50 pm
EZE
-
IAD
1 stop13h 30m
Avianca
Sat 5/26:50 am
IAD
-
EZE
1 stop21h 50m
Avianca
Deal found 3/28$737

Find flight deals from Buenos Aires to Washington, D.C.

Discover tips and strategies to find the most affordable flight options for your journey from Buenos Aires (BUE) to Washington, D.C. (WAS). 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 April 1, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$688
(FlightHub)

One-way from

$388
(Kiwi.com)

Popular in

July

Cheapest in

September

Average price

$819
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 Buenos Aires (BUE) to Washington, D.C. (WAS)
Search Deals
One-way flight from Buenos Aires (BUE) to Washington, D.C. (WAS)
Search Deals
Highest demand for flights based on searches. 7% potential increase in price ($65 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($31 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Buenos Aires to Washington, D.C. 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 1, 2026.
Use the filters below to find and compare flights from Buenos Aires to Washington, D.C. that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Buenos AiresWashington, D.C.

AEP - IAD

AEPIAD

Buenos Aires Jorge Newbery

Tue 4/21

10:10 pm-5:20 am

2 stops32h 10m

Washington, D.C. Dulles Intl

Tue 4/28

6:50 am-5:40 am

1 stop21h 50m

$721

Buenos AiresBaltimore

EZE - BWI

EZEBWI

Buenos Aires Ministro Pistarini

Sun 5/24

10:05 pm-11:44 pm

1 stop26h 39m

Baltimore/Washington

Sat 6/6

6:38 pm-8:15 pm

1 stop24h 37m

$789

Buenos AiresWashington, D.C.

AEP - IAD

AEPIAD

Buenos Aires Jorge Newbery

Thu 4/16

7:00 am-5:20 am

1 stop23h 20m

Washington, D.C. Dulles Intl

Wed 4/29

3:35 pm-5:40 am

1 stop13h 05m

$798

Buenos AiresWashington, D.C.

EZE - DCA

EZEDCA

Buenos Aires Ministro Pistarini

Mon 9/28

8:10 pm-9:13 am

1 stop14h 03m

Washington, D.C. Reagan-National

Tue 10/6

7:00 am-9:45 am

1 stop25h 45m

$799

Buenos AiresWashington, D.C.

EZE - DCA

EZEDCA

Buenos Aires Ministro Pistarini

Sun 9/27

8:10 pm-2:43 pm

1 stop19h 33m

Washington, D.C. Reagan-National

Thu 10/8

2:55 pm-9:20 am

1 stop17h 25m

$799

Buenos AiresBaltimore

EZE - BWI

EZEBWI

Buenos Aires Ministro Pistarini

Sun 9/27

8:10 pm-3:43 pm

1 stop20h 33m

Baltimore/Washington

Tue 10/6

7:40 pm-9:45 am

1 stop13h 05m

$799
Quickest round-trip

Buenos AiresBaltimore

EZE - BWI

EZEBWI

Buenos Aires Ministro Pistarini

Sun 9/27

8:10 pm-11:10 am

1 stop16h 00m

Baltimore/Washington

Mon 10/5

7:40 pm-9:45 am

1 stop13h 05m

$799

Buenos AiresWashington, D.C.

EZE - IAD

EZEIAD

Buenos Aires Ministro Pistarini

Tue 9/8

9:02 am-4:20 am

1 stop20h 18m

Washington, D.C. Dulles Intl

Mon 9/21

2:25 am-2:30 am

1 stop23h 05m

$801

Buenos AiresWashington, D.C.

EZE - IAD

EZEIAD

Buenos Aires Ministro Pistarini

Sun 5/24

2:49 pm-4:21 am

1 stop14h 32m

Washington, D.C. Dulles Intl

Fri 6/5

2:21 am-2:30 am

1 stop23h 09m

$801

Buenos AiresWashington, D.C.

EZE - DCA

EZEDCA

Buenos Aires Ministro Pistarini

Thu 4/16

1:10 pm-2:03 pm

1 stop25h 53m

Washington, D.C. Reagan-National

Wed 4/29

6:00 pm-9:45 am

1 stop14h 45m

$802

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/1

Showing 1-10 of 60 resultsSorted by cheapest first
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Compare providers for flights from Buenos Aires to Washington, D.C.

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 Washington, D.C. in April.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy2 starsTrust Score*2 stars
PricelinePrice Accuracy1 starTrust Score*3 stars

*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. flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Buenos Aires-Washington, D.C. flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Buenos Aires-Washington, D.C. flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Buenos Aires-Washington, D.C. flights, Cheapflights users trust FlightHub the most. FlightHub 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. 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 Washington, D.C.

Have a flexible travel schedule? Discover the best time to fly to Washington, D.C. 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.

How far ahead should I book a flight from Buenos Aires to Washington, D.C.?

Use this chart to determine the optimal time to book a round-trip flight from Buenos Aires to Washington, D.C.. Price data was last updated on March 13, 2026.

Booking 64 days in advance of your planned departure date is, on average, the best time to get cheap flights from Buenos Aires to Washington, D.C.. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

How much does it cost to fly round-trip from Buenos Aires to Washington, D.C.?

Reviews of airlines servicing Washington, D.C.

Get insights into the airlines that provide service to Washington, D.C.. 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 Washington, D.C.. Reviews last updated April 1, 2026.
See what other customers who have flown with Delta,Copa Airlines, andLATAM Airlines from Buenos Aires to Washington, D.C. have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
8,367 reviews

Crew

8.5

Boarding

8.1

Comfort

7.9

Overall

7.9

Entertainment

7.8

Food

7.2

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Delta
7.9
Good
8,367 reviews
Delta
7.9
Good
8,367 reviews

Crew

8.5

Boarding

8.1

Comfort

7.9

Overall

7.9

Entertainment

7.8

Food

7.2

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Copa Airlines
7.5
Good
1,579 reviews
Delta
7.9
Good
8,367 reviews

Crew

8.5

Boarding

8.1

Comfort

7.9

Overall

7.9

Entertainment

7.8

Food

7.2

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
LATAM Airlines
7.4
Good
1,905 reviews
Delta
7.9
Good
8,367 reviews

Crew

8.5

Boarding

8.1

Comfort

7.9

Overall

7.9

Entertainment

7.8

Food

7.2

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
American Airlines
7.1
Good
11,545 reviews
Delta
7.9
Good
8,367 reviews

Crew

8.5

Boarding

8.1

Comfort

7.9

Overall

7.9

Entertainment

7.8

Food

7.2

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Avianca
6.5
Okay
2,505 reviews
Delta
7.9
Good
8,367 reviews

Crew

8.5

Boarding

8.1

Comfort

7.9

Overall

7.9

Entertainment

7.8

Food

7.2

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Related info for your journey

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

    For as low as $799, American Airlines can have you in Washington, D.C. from Buenos Aires in 14h 03m. There are 5222 mi between Buenos Aires and Washington, D.C.. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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

    Cheapflights users have booked flights from Buenos Aires to Washington, D.C. round-trip from $252. Other airlines that can offer you cheap pricing are Delta, from $270, and Copa Airlines, from $378. Users have found that Avianca is 69% cheaper than the other options available to this destination.

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

    The cheapest airlines for a one-way flight from Buenos Aires to Washington, D.C. are Copa Airlines ($355), Avianca ($375), and American Airlines ($421).

  • What are the most popular routes from Buenos Aires to Washington, D.C.?

    The most popular flight routes from Buenos Aires to Washington, D.C. are Buenos Aires Ministro Pistarini - Washington, D.C. Dulles Intl, Buenos Aires Ministro Pistarini - Washington, D.C. Reagan-National and Buenos Aires Ministro Pistarini - Baltimore/Washington.

  • Can I find deals for flights from Buenos Aires to Washington, D.C. that include hotel bookings?

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

  • How can I find direct flights from Buenos Aires to Washington, D.C.?

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

  • Can I find deals for business class flights from Buenos Aires to Washington, D.C.?

    Yes. Cheapflights offers flight deals from Buenos Aires to Washington, D.C. 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.?

Book flights to Washington, D.C. if you plan to visit one of these locations
Alexandria
Woodbridge
Tysons
Owings Mills
Arlington
Springfield
Silver Spring
Herndon
Hyattsville
Hanover
Laurel
Rockville
Upper Marlboro
Fredericksburg
Largo
Bowie
Clinton
Towson
Cordova
Manassas

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 4 airlines flying from Buenos Aires to Washington, D.C.

Discover the top 4 airlines that operate flights from Buenos Aires to Washington, D.C.. 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 1, 2026.
AirlineCheapestAverageFlexibilityOn-time
AviancaCheapest$252Average$695FlexibilityNo cancel feeOn-time71%
DeltaCheapest$270Average$955FlexibilityNo cancel feeOn-timeN/A
Copa AirlinesCheapest$378Average$692FlexibilityNo cancel feeOn-time70%
American AirlinesCheapest$673Average$864FlexibilityNo cancel feeOn-time71%

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