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Washington, D.C.

$368+ 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 5/9. Fares are subject to change and may not be available on all flights or dates of travel.
BUE — WAS
apr 6 — apr 131
sön 4/6
sön 4/13
1 adult, Economy
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Cheapflights Tip: The best prices from Buenos Aires to Washington, D.C. are usually found in August or October, booked 62 days in advance, depart on a Thursday or Wednesday and return on a Monday

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 april 1, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$646
(Priceline)

One-way from

$368
(Kiwi.com)

Popular in

January

Cheapest in

August

Average price

$842
Provider with most accurate pricing for Buenos Aires (BUE)-Washington, D.C. (WAS) flight deals.
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Provider most trusted by Cheapflights users for Buenos Aires (BUE)-Washington, D.C. (WAS) flights.
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From Buenos Aires (BUE) to Washington, D.C. (WAS)
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One-way flight from Buenos Aires (BUE) to Washington, D.C. (WAS)
Search Deals
Highest demand for flights based on searches. 12% potential increase in price ($136 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($30 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 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, 2025.

This Priceline 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
tis 5/64:45 pmEZE - IAD
1 stop13h 50mAvianca
tis 5/205:05 pmIAD - EZE
2 stops30h 05mAvianca
Deal found 3/30$646
This Copa Airlines 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 Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
tors 8/282:32 pmEZE - IAD
1 stop14h 48mCopa Airlines
sön 9/212:25 amIAD - EZE
1 stop21h 30mCopa Airlines
Deal found 3/30$678
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.
tis 5/64:45 pmEZE - IAD
1 stop13h 50mMultiple Airlines
mån 5/192:21 amIAD - EZE
1 stop18h 50mMultiple Airlines
Deal found 3/30$734
This LATAM Airlines 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 LATAM Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
tis 11/112:55 pmAEP - DCA
2 stops21h 27mLATAM Airlines
fre 11/211:55 pmDCA - AEP
2 stops26h 05mLATAM Airlines
Deal found 3/31$743
This Justfly.com 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
fre 11/710:02 amEZE - IAD
2 stops27h 55mLATAM Airlines
lör 11/295:25 pmIAD - EZE
2 stops23h 20mLATAM Airlines
Deal found 3/31$748
This Mytrip 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
tors 8/2811:25 pmEZE - IAD
1 stop16h 45mAeromexico
sön 9/214:40 pmIAD - EZE
1 stop27h 45mAeromexico
Deal found 3/31$752
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
tis 5/138:10 pmEZE - BWI
1 stop14h 00mDelta
fre 6/67:44 pmBWI - EZE
1 stop13h 01mDelta
Deal found 3/31$760
This LATAM Airlines 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 LATAM Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mån 8/253:55 amEZE - DCA
2 stops20h 30mLATAM Airlines
ons 9/241:55 pmDCA - EZE
2 stops20h 53mLATAM Airlines
Deal found 3/30$769
This LATAM Airlines 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 LATAM Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
tors 4/247:30 amEZE - BWI
2 stops28h 25mLATAM Airlines
tis 6/101:42 pmBWI - EZE
2 stops27h 30mLATAM Airlines
Deal found 3/31$769
This LATAM Airlines 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 LATAM Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ons 9/102:55 pmAEP - BWI
2 stops21h 12mLATAM Airlines
ons 10/17:40 pmBWI - AEP
2 stops19h 20mLATAM Airlines
Deal found 4/1$769
This LATAM Airlines 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 LATAM Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
tors 5/110:55 pmAEP - IAD
2 stops26h 33mLATAM Airlines
tis 5/133:37 pmIAD - AEP
2 stops19h 03mLATAM Airlines
Deal found 3/30$769
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
tis 5/138:10 pmEZE - IAD
1 stop14h 04mDelta
tors 6/53:37 pmIAD - EZE
1 stop17h 08mDelta
Deal found 3/31$781

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, 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 AiresWashington, D.C.

EZE - IAD

EZEIAD

Buenos Aires Ministro Pistarini

tis 5/6

4:45 pm-5:35 am

1 stop13h 50m

Washington, D.C. Dulles Intl

tis 5/20

5:05 pm-12:10 am

2 stops30h 05m

$646

Buenos AiresWashington, D.C.

EZE - IAD

EZEIAD

Buenos Aires Ministro Pistarini

tors 8/28

2:32 pm-4:20 am

1 stop14h 48m

Washington, D.C. Dulles Intl

sön 9/21

2:25 am-12:55 am

1 stop21h 30m

$678

Buenos AiresWashington, D.C.

EZE - IAD

EZEIAD

Buenos Aires Ministro Pistarini

tis 5/6

4:45 pm-5:35 am

1 stop13h 50m

Washington, D.C. Dulles Intl

mån 5/19

2:21 am-10:11 pm

1 stop18h 50m

$734

Buenos AiresWashington, D.C.

EZE - IAD

EZEIAD

Buenos Aires Ministro Pistarini

tors 8/28

11:25 pm-3:10 pm

1 stop16h 45m

Washington, D.C. Dulles Intl

sön 9/21

4:40 pm-9:25 pm

1 stop27h 45m

$752

Buenos AiresBaltimore

EZE - BWI

EZEBWI

Buenos Aires Ministro Pistarini

tis 5/13

8:10 pm-9:10 am

1 stop14h 00m

Baltimore/Washington

fre 6/6

7:44 pm-9:45 am

1 stop13h 01m

$760

Buenos AiresWashington, D.C.

EZE - DCA

EZEDCA

Buenos Aires Ministro Pistarini

mån 8/25

3:55 am-11:25 pm

2 stops20h 30m

Washington, D.C. Reagan-National

ons 9/24

1:55 pm-11:48 am

2 stops20h 53m

$769

Buenos AiresBaltimore

EZE - BWI

EZEBWI

Buenos Aires Ministro Pistarini

tors 4/24

7:30 am-10:55 am

2 stops28h 25m

Baltimore/Washington

tis 6/10

1:42 pm-6:12 pm

2 stops27h 30m

$769

Buenos AiresBaltimore

AEP - BWI

AEPBWI

Buenos Aires Jorge Newbery

ons 9/10

2:55 pm-11:07 am

2 stops21h 12m

Baltimore/Washington

ons 10/1

7:40 pm-4:00 pm

2 stops19h 20m

$769

Buenos AiresWashington, D.C.

AEP - DCA

AEPDCA

Buenos Aires Jorge Newbery

ons 4/23

6:20 pm-12:58 pm

2 stops19h 38m

Washington, D.C. Reagan-National

sön 5/18

6:59 am-4:05 am

2 stops20h 06m

$769

Buenos AiresWashington, D.C.

EZE - IAD

EZEIAD

Buenos Aires Ministro Pistarini

tis 8/26

7:35 am-9:10 am

2 stops26h 35m

Washington, D.C. Dulles Intl

mån 9/22

5:10 pm-5:13 pm

2 stops23h 03m

$769

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/31

Showing 1-10 of 60 results
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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*
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
ExpediaPrice Accuracy1 starTrust Score*3 stars
AranGrantPrice 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. 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 28, 2025.

Booking 62 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, August is the cheapest month in which you can book a flight from Buenos Aires to Washington, D.C. (average of $241). Flying from Buenos Aires to Washington, D.C. in March is currently the most expensive (average of $290). 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 april 1, 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 16% on airfare.

Rainfall in Washington, D.C. by month

Plan your trip to Washington, D.C. by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Washington, D.C. ranges from 2.6 - 4.0 inches per month. May is typically the wettest month, when rainfall can reach 4.0 in. February is typically the driest time to visit Washington, D.C. when rainfall is around 2.6 in.

Temperature in Washington, D.C. by month

Plan your trip to Washington, D.C. by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Washington, D.C., use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 35.6 F).

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, 2025.
To help decide which airline to fly from Buenos Aires to Washington, D.C., see what other customers have to say about Delta, Copa Airlines and LATAM Airlines. 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
7,898 reviews

Crew

8.5

Entertainment

7.9

Comfort

7.9

Food

7.3

Boarding

8.2

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Delta
8.0
Very good
7,898 reviews
Delta
8.0
Very good
7,898 reviews

Crew

8.5

Entertainment

7.9

Comfort

7.9

Food

7.3

Boarding

8.2

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Copa Airlines
7.6
Good
1,400 reviews
Delta
8.0
Very good
7,898 reviews

Crew

8.5

Entertainment

7.9

Comfort

7.9

Food

7.3

Boarding

8.2

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
LATAM Airlines
7.5
Good
1,754 reviews
Delta
8.0
Very good
7,898 reviews

Crew

8.5

Entertainment

7.9

Comfort

7.9

Food

7.3

Boarding

8.2

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Aeromexico
7.5
Good
1,700 reviews
Delta
8.0
Very good
7,898 reviews

Crew

8.5

Entertainment

7.9

Comfort

7.9

Food

7.3

Boarding

8.2

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
United Airlines
7.4
Good
8,615 reviews
Delta
8.0
Very good
7,898 reviews

Crew

8.5

Entertainment

7.9

Comfort

7.9

Food

7.3

Boarding

8.2

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

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.

  • 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 $646. Other airlines that can offer you cheap pricing are Copa Airlines, from $678, and Aeromexico, from $752. Users have found that Avianca is 33% 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 ($456), Copa Airlines ($461), 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 - 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.

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

    Currently, August is the cheapest month in which you can book a flight from Buenos Aires to Washington, D.C. (average of $241). Flying from Buenos Aires to Washington, D.C. in March is currently the most expensive (average of $290). 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 Buenos Aires?

Book flights to Buenos Aires if you plan to visit one of these locations
Arlington
Alexandria
Fairfax
Tysons
Springfield
Rockville
Fredericksburg
Woodbridge
Gaithersburg
Linthicum Heights
Silver Spring
Falls Church
Laurel
Easton
Herndon
Bowie
Gettysburg
National Harbor
Oxon Hill
Reston

Browse thousands of different options on Cheapflights for your next trip

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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
Ministro Pistarini to Reagan-National flights
Jorge Newbery to Dulles Intl 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 april 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
AviancaCheapest$593Average$821FlexibilityNo cancel feeOn-time71%
DeltaCheapest$713Average$1,085FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$729Average$1,043FlexibilityNo cancel feeOn-time71%
Copa AirlinesCheapest$747Average$955FlexibilityNo cancel feeOn-time70%
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