HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Washington, D.C.

$365+ 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 12/5. Fares are subject to change and may not be available on all flights or dates of travel.
BUE — WAS
dic. 3 — dic. 101
mié. 12/3
mié. 12/10
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Buenos Aires to Washington, D.C. with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheapflights Tip: The best prices from Buenos Aires to Washington, D.C. are usually found in September or April, booked 71 days in advance, depart on a Thursday or Wednesday and return on a Monday

Find 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 noviembre 3, 2025.

This American Airlines deal was found by Cheapflights users on 11/3. 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.
jue. 11/278:45 pmEZE - DCA
1 stop22h 09mAmerican Airlines
jue. 12/41:44 pmDCA - EZE
1 stop18h 56mAmerican Airlines
Deal found 11/3$654
This American Airlines deal was found by Cheapflights users on 11/2. 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.
lun. 12/811:20 pmEZE - BWI
1 stop19h 35mAmerican Airlines
mié. 3/257:00 pmBWI - EZE
1 stop14h 15mAmerican Airlines
Deal found 11/2$654
This Kiwi.com deal was found by Cheapflights users on 11/3. 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.
mar. 11/254:55 pmEZE - IAD
1 stop13h 30mAvianca
mié. 12/32:35 pmIAD - EZE
1 stop13h 15mAvianca
Deal found 11/3$654
This Kiwi.com deal was found by Cheapflights users on 11/3. 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.
lun. 11/247:30 amEZE - IAD
2 stops20h 10mAvianca
mié. 12/32:35 pmIAD - EZE
1 stop13h 15mAvianca
Deal found 11/3$656
This American Airlines deal was found by Cheapflights users on 11/3. 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.
lun. 12/19:40 pmEZE - BWI
2 stops18h 11mAmerican Airlines
jue. 12/1111:50 amBWI - EZE
2 stops17h 15mAmerican Airlines
Deal found 11/3$658
This American Airlines deal was found by Cheapflights users on 11/3. 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.
lun. 12/19:40 pmEZE - IAD
2 stops17h 55mAmerican Airlines
jue. 12/116:25 amIAD - EZE
2 stops22h 40mAmerican Airlines
Deal found 11/3$658
This American Airlines deal was found by Cheapflights users on 11/1. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 12/1010:30 pmEZE - IAD
1 stop26h 13mAmerican Airlines
dom. 3/226:40 amIAD - EZE
1 stop24h 50mAmerican Airlines
Deal found 11/1$662
This Priceline deal was found by Cheapflights users on 11/1. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 12/101:40 amEZE - IAD
1 stop13h 35mAvianca
dom. 3/226:45 amIAD - EZE
1 stop22h 05mAvianca
Deal found 11/1$672
This Priceline deal was found by Cheapflights users on 11/1. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 12/91:40 amEZE - IAD
3 stops24h 30mAvianca
dom. 3/226:45 amIAD - EZE
1 stop22h 05mAvianca
Deal found 11/1$674
This Copa Airlines deal was found by Cheapflights users on 11/3. 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.
dom. 12/712:07 amEZE - BWI
1 stop16h 03mCopa Airlines
mié. 3/254:45 pmBWI - EZE
1 stop14h 10mCopa Airlines
Deal found 11/3$676
This Copa Airlines deal was found by Cheapflights users on 11/3. 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.
sáb. 11/223:57 amEZE - IAD
1 stop21h 36mCopa Airlines
sáb. 11/291:33 amIAD - EZE
1 stop18h 58mCopa Airlines
Deal found 11/3$676
This United Airlines deal was found by Cheapflights users on 11/3. 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.
lun. 11/1711:55 pmEZE - DCA
1 stop22h 50mUnited Airlines
dom. 11/2312:50 pmDCA - EZE
1 stop16h 30mUnited Airlines
Deal found 11/3$679

Cheap 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 noviembre 3, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$654
(American Airlines)

One-way from

$365
(Kiwi.com)

Popular in

July

Cheapest in

September

Average price

$860
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. 5% potential increase in price ($53 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($29 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in November 2025
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 noviembre 3, 2025.
Use the filters below to find and compare flights from Buenos Aires to Washington, D.C. that are best for you.

Fly from

Buenos Aires

Fly to

Washington, D.C.

Route

Depart

Return

Price

Buenos AiresBaltimore

EZE - BWI

EZEBWI

Buenos Aires Ministro Pistarini

lun. 12/8

9:40 pm-6:29 pm

2 stops22h 49m

Baltimore/Washington

mié. 3/25

7:00 pm-10:15 am

1 stop14h 15m

$658

Buenos AiresBaltimore

EZE - BWI

EZEBWI

Buenos Aires Ministro Pistarini

dom. 12/7

2:15 am-2:10 pm

1 stop13h 55m

Baltimore/Washington

mié. 3/25

4:45 pm-7:55 am

1 stop14h 10m

$676

Buenos AiresWashington, D.C.

EZE - IAD

EZEIAD

Buenos Aires Ministro Pistarini

jue. 11/27

10:01 am-11:33 pm

1 stop15h 32m

Washington, D.C. Dulles Intl

mié. 12/3

1:13 am-10:31 pm

1 stop19h 18m

$676

Buenos AiresWashington, D.C.

EZE - DCA

EZEDCA

Buenos Aires Ministro Pistarini

lun. 11/17

11:55 pm-8:45 pm

1 stop22h 50m

Washington, D.C. Reagan-National

dom. 11/23

12:50 pm-9:20 am

1 stop18h 30m

$679

Buenos AiresBaltimore

EZE - BWI

EZEBWI

Buenos Aires Ministro Pistarini

lun. 11/17

11:55 pm-4:02 pm

1 stop18h 07m

Baltimore/Washington

dom. 11/23

6:00 am-7:20 am

1 stop23h 20m

$679

Buenos AiresWashington, D.C.

EZE - IAD

EZEIAD

Buenos Aires Ministro Pistarini

lun. 11/17

11:55 pm-11:44 pm

1 stop25h 49m

Washington, D.C. Dulles Intl

dom. 11/23

12:55 pm-9:20 am

1 stop18h 25m

$679

Buenos AiresWashington, D.C.

EZE - DCA

EZEDCA

Buenos Aires Ministro Pistarini

jue. 11/20

11:55 pm-1:49 pm

1 stop15h 54m

Washington, D.C. Reagan-National

mié. 12/3

4:34 pm-9:20 am

1 stop14h 46m

$688

Buenos AiresWashington, D.C.

EZE - DCA

EZEDCA

Buenos Aires Ministro Pistarini

mar. 11/25

10:05 pm-3:58 pm

1 stop19h 53m

Washington, D.C. Reagan-National

mar. 12/2

2:54 pm-9:20 am

1 stop16h 26m

$688

Buenos AiresWashington, D.C.

EZE - DCA

EZEDCA

Buenos Aires Ministro Pistarini

mié. 11/26

10:05 pm-3:59 pm

1 stop19h 54m

Washington, D.C. Reagan-National

lun. 12/1

12:50 pm-7:20 am

1 stop16h 30m

$688

Buenos AiresWashington, D.C.

EZE - DCA

EZEDCA

Buenos Aires Ministro Pistarini

vie. 11/21

11:55 pm-8:45 pm

1 stop22h 50m

Washington, D.C. Reagan-National

mié. 12/3

4:34 pm-9:20 am

1 stop14h 46m

$688

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/1

Showing 1-10 of 60 results
1
2
3
...
6

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 November.
ProviderPrice AccuracyTrust Score*
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
ExpediaPrice Accuracy2 starsTrust Score*3 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 eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Buenos Aires-Washington, D.C. flight deals on Cheapflights vs. eDreams >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 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. 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 October 31, 2025.

Booking 71 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.

What is the cheapest month to book a flight from Buenos Aires to Washington, D.C.?

Currently, July is the cheapest month in which you can book a flight from Buenos Aires to Washington, D.C. (average of $270). Flying from Buenos Aires to Washington, D.C. in January is currently the most expensive (average of $2,321). 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 BUE to WAS?

Find hourly flight availability from Buenos Aires to Washington, D.C.. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated noviembre 3, 2025.

One of the essential ways to save on airfare from Buenos Aires to Washington, D.C. is to remain as flexible as possible. Flights that are in the evening tend to be the most expensive. A flight in the afternoon could potentially save you up to 12% on airfare.

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 noviembre 3, 2025.
See what other customers who have flown with Delta, Copa Airlines, and LATAM 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
8,001 reviews

Entertainment

7.9

Food

7.3

Comfort

7.9

Overall

7.9

Boarding

8.2

Crew

8.5

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
8,001 reviews
Delta
7.9
Good
8,001 reviews

Entertainment

7.9

Food

7.3

Comfort

7.9

Overall

7.9

Boarding

8.2

Crew

8.5

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
7.6
Good
1,561 reviews
Delta
7.9
Good
8,001 reviews

Entertainment

7.9

Food

7.3

Comfort

7.9

Overall

7.9

Boarding

8.2

Crew

8.5

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
7.5
Good
1,873 reviews
Delta
7.9
Good
8,001 reviews

Entertainment

7.9

Food

7.3

Comfort

7.9

Overall

7.9

Boarding

8.2

Crew

8.5

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
7.2
Good
11,036 reviews
Delta
7.9
Good
8,001 reviews

Entertainment

7.9

Food

7.3

Comfort

7.9

Overall

7.9

Boarding

8.2

Crew

8.5

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
6.6
Okay
2,467 reviews
Delta
7.9
Good
8,001 reviews

Entertainment

7.9

Food

7.3

Comfort

7.9

Overall

7.9

Boarding

8.2

Crew

8.5

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 $676, American Airlines can have you in Washington, D.C. from Buenos Aires in 13h 55m. There are 5239 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 $344. Other airlines that can offer you cheap pricing are Avianca, from $434, and Copa Airlines, from $442. Users have found that Delta is 61% 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 Avianca ($402), American Airlines ($448), and Delta ($466).

  • 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 - Baltimore/Washington and Buenos Aires Jorge Newbery - Washington, D.C. Dulles Intl.

  • 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.

  • What is the cheapest month to book a flight from Buenos Aires to Washington, D.C.?

    Currently, July is the cheapest month in which you can book a flight from Buenos Aires to Washington, D.C. (average of $270). Flying from Buenos Aires to Washington, D.C. in January is currently the most expensive (average of $2,321). 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

Traveling to a place near Washington, D.C.?

Book flights to Washington, D.C. 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

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Buenos Aires to Washington, D.C.

See prices for flight routes from nearby airports that may be better suited for you.
Ministro Pistarini to Dulles Intl flights
Jorge Newbery to Dulles Intl flights
Ministro Pistarini to Reagan-National flights
Cordoba to Dulles Intl flights
Mendoza to Reagan-National flights

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 noviembre 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$344Average$962FlexibilityNo cancel feeOn-timeN/A
AviancaCheapest$434Average$684FlexibilityNo cancel feeOn-time71%
Copa AirlinesCheapest$442Average$877FlexibilityNo cancel feeOn-time70%
American AirlinesCheapest$673Average$936FlexibilityNo cancel feeOn-time71%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.