Washington, D.C.

$353+ 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 9/16. Fares are subject to change and may not be available on all flights or dates of travel.
BUE — WAS
jun. 17 — jun. 241
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Cheapflights Tip: The best prices from Buenos Aires to Washington, D.C. are usually found in April or October, booked 40 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 junio 12, 2025.

Round-trip from

$611
(Aeromexico)

One-way from

$353
(Mytrip)

Popular in

January

Cheapest in

April

Average price

$832
From Buenos Aires (BUE) to Washington, D.C. (WAS)
One-way flight from Buenos Aires (BUE) to Washington, D.C. (WAS)
Highest demand for flights based on searches. 12% potential increase in price ($136 potential increase over avg. RT price).
Cheapest flight prices on average. 3% potential price decrease ($31 potential savings vs. average RT price).
Average for round-trip flights in June 2025

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 junio 12, 2025.

This Aeromexico deal was found by Cheapflights users on 6/10. 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 Aeromexico is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 9/1011:25 pmEZE - IAD
1 stop16h 45mAeromexico
mié. 10/14:40 pmIAD - EZE
1 stop27h 45mAeromexico
Deal found 6/10$611
This Priceline deal was found by Cheapflights users on 6/11. 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. 10/151:40 amEZE - IAD
1 stop13h 20mAvianca
vie. 10/247:00 amIAD - EZE
1 stop16h 10mAvianca
Deal found 6/11$624
This Copa Airlines deal was found by Cheapflights users on 6/11. 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.
mar. 7/293:47 amEZE - IAD
1 stop21h 42mCopa Airlines
dom. 8/102:45 amIAD - EZE
1 stop18h 23mCopa Airlines
Deal found 6/11$636
This United Airlines deal was found by Cheapflights users on 6/10. 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. 6/309:00 pmEZE - DCA
1 stop15h 46mUnited Airlines
mar. 12/211:05 amDCA - EZE
1 stop20h 15mUnited Airlines
Deal found 6/10$648
This United Airlines deal was found by Cheapflights users on 6/11. 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. 6/309:00 pmEZE - IAD
1 stop15h 32mUnited Airlines
mar. 12/26:30 amIAD - EZE
1 stop22h 50mUnited Airlines
Deal found 6/11$648
This Priceline deal was found by Cheapflights users on 6/10. 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.
dom. 10/197:00 amAEP - IAD
1 stop23h 35mAvianca
vie. 10/247:00 amIAD - AEP
1 stop21h 40mAvianca
Deal found 6/10$655
This United Airlines deal was found by Cheapflights users on 6/12. 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. 6/309:00 pmEZE - BWI
1 stop20h 18mUnited Airlines
mar. 12/26:05 amBWI - EZE
1 stop23h 15mUnited Airlines
Deal found 6/12$709
This Kiwi.com deal was found by Cheapflights users on 6/11. 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.
jue. 7/316:50 amEZE - IAD
2 stops17h 55mMultiple Airlines
dom. 8/102:45 amIAD - EZE
1 stop18h 23mMultiple Airlines
Deal found 6/11$719
This Cheapflightsfares deal was found by Cheapflights users on 6/12. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 7/23:40 pmAEP - DCA
2 stops23h 20mLATAM Airlines
mar. 12/21:55 pmDCA - AEP
2 stops22h 45mLATAM Airlines
Deal found 6/12$731
This Cheapflightsfares deal was found by Cheapflights users on 6/10. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 7/28:40 amAEP - IAD
2 stops30h 56mLATAM Airlines
mié. 8/277:30 amIAD - AEP
2 stops31h 35mLATAM Airlines
Deal found 6/10$731
This Mytrip deal was found by Cheapflights users on 6/11. 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.
jue. 7/317:00 amAEP - IAD
2 stops17h 45mMultiple Airlines
lun. 8/117:00 amIAD - AEP
2 stops22h 40mMultiple Airlines
Deal found 6/11$759
This Delta deal was found by Cheapflights users on 6/11. 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.
vie. 7/48:10 pmEZE - DCA
1 stop13h 59mDelta
sáb. 7/126:20 pmDCA - EZE
1 stop14h 25mDelta
Deal found 6/11$760

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 junio 12, 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

mié. 9/10

11:25 pm-3:10 pm

1 stop16h 45m

Washington, D.C. Dulles Intl

mié. 10/1

4:40 pm-9:25 pm

1 stop27h 45m

$611

Buenos AiresWashington, D.C.

EZE - IAD

EZEIAD

Buenos Aires Ministro Pistarini

mié. 10/15

1:40 am-2:00 pm

1 stop13h 20m

Washington, D.C. Dulles Intl

vie. 10/24

7:00 am-12:10 am

1 stop16h 10m

$624

Buenos AiresWashington, D.C.

EZE - IAD

EZEIAD

Buenos Aires Ministro Pistarini

mar. 7/29

3:47 am-12:29 am

1 stop21h 42m

Washington, D.C. Dulles Intl

dom. 8/10

2:45 am-10:08 pm

1 stop18h 23m

$636

Buenos AiresWashington, D.C.

EZE - DCA

EZEDCA

Buenos Aires Ministro Pistarini

lun. 6/30

9:00 pm-11:46 am

1 stop15h 46m

Washington, D.C. Reagan-National

mar. 12/2

11:05 am-9:20 am

1 stop20h 15m

$648

Buenos AiresWashington, D.C.

EZE - IAD

EZEIAD

Buenos Aires Ministro Pistarini

lun. 6/30

9:00 pm-11:32 am

1 stop15h 32m

Washington, D.C. Dulles Intl

mar. 12/2

6:30 am-7:20 am

1 stop22h 50m

$648

Buenos AiresWashington, D.C.

AEP - IAD

AEPIAD

Buenos Aires Jorge Newbery

dom. 10/19

7:00 am-5:35 am

1 stop23h 35m

Washington, D.C. Dulles Intl

vie. 10/24

7:00 am-5:40 am

1 stop21h 40m

$655

Buenos AiresBaltimore

EZE - BWI

EZEBWI

Buenos Aires Ministro Pistarini

lun. 6/30

9:00 pm-4:18 pm

1 stop20h 18m

Baltimore/Washington

mar. 12/2

6:05 am-7:20 am

1 stop23h 15m

$709

Buenos AiresWashington, D.C.

EZE - IAD

EZEIAD

Buenos Aires Ministro Pistarini

jue. 7/31

6:50 am-11:45 pm

2 stops17h 55m

Washington, D.C. Dulles Intl

dom. 8/10

2:45 am-10:08 pm

1 stop18h 23m

$719

Buenos AiresWashington, D.C.

AEP - DCA

AEPDCA

Buenos Aires Jorge Newbery

mié. 7/2

3:40 pm-2:00 pm

2 stops23h 20m

Washington, D.C. Reagan-National

mar. 12/2

1:55 pm-2:40 pm

2 stops22h 45m

$731

Buenos AiresWashington, D.C.

AEP - IAD

AEPIAD

Buenos Aires Jorge Newbery

mié. 7/2

8:40 am-2:36 pm

2 stops30h 56m

Washington, D.C. Dulles Intl

mié. 8/27

7:30 am-4:05 pm

2 stops31h 35m

$731

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/10

Showing 1-10 of 60 results
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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 June 9, 2025.

Booking 40 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 junio 12, 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 junio 12, 2025.
To help decide which airline to fly from Buenos Aires to Washington, D.C., see what other customers have to say about Delta, LATAM Airlines and Copa 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.
8.0
Very good

Overall

8.0

Food

7.3

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
8.0
Very good
8.0
Very good

Overall

8.0

Food

7.3

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
8.0
Very good

Overall

8.0

Food

7.3

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
8.0
Very good

Overall

8.0

Food

7.3

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
8.0
Very good

Overall

8.0

Food

7.3

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
8.0
Very good

Overall

8.0

Food

7.3

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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 $611. Other airlines that can offer you cheap pricing are Avianca, from $624, and Copa Airlines, from $636. Users have found that Aeromexico is 36% 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 ($353), American Airlines ($448), and LATAM Airlines ($464).

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

  • 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
Woodbridge
Tysons
Silver Spring
Linthicum Heights
Fredericksburg
Gaithersburg
Fairfax
Falls Church
Easton
Herndon
Towson
Bowie
Rockville
Reston
National Harbor
Springfield
Manassas
Dundalk

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.

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 junio 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$270Average$1,026FlexibilityNo cancel feeOn-timeN/A
AviancaCheapest$434Average$821FlexibilityNo cancel feeOn-time71%
Copa AirlinesCheapest$437Average$891FlexibilityNo cancel feeOn-time70%
American AirlinesCheapest$729Average$1,101FlexibilityNo cancel feeOn-time71%

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