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$333+ Cheap flights from Washington, D.C. (WAS) to Buenos Aires (BUE)

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 1/20. Fares are subject to change and may not be available on all flights or dates of travel.
WAS — BUE
Dec 27 — Jan 31
Fri 12/27
Fri 1/3
1 adult, Economy
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The best prices from Washington, D.C. to Buenos Aires are usually found in May or August, booked 60 days in advance, depart on a Monday or Tuesday and return on a Thursday

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

Discover tips and strategies to find the most affordable flight options for your journey from Washington, D.C. (WAS) to Buenos Aires (BUE). 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 December 22, 2024.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$827
(Priceline)

One-way from

$333
(Kiwi.com)

Popular in

December

Cheapest in

May

Average price

$1,360
Provider with most accurate pricing for Washington, D.C. (WAS)-Buenos Aires (BUE) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Washington, D.C. (WAS)-Buenos Aires (BUE) flights.
Search Deals
From Washington, D.C. (WAS) to Buenos Aires (BUE)
Search Deals
One-way flight from Washington, D.C. (WAS) to Buenos Aires (BUE)
Search Deals
High demand for flights, 8% potential price rise
Search Deals
Best time to find cheap flights, 2% potential price drop
Search Deals
Average for round-trip flights in December 2024
Search Deals

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

Cheapest flights from Washington, D.C. to Buenos Aires
Explore the most affordable flight options available from Washington, D.C. to Buenos Aires. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 22, 2024.

This Mytrip deal was found by Cheapflights users on 12/21. 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.
Mon 12/306:10 amIAD - EZE
3 stops30h 35mMultiple Airlines
Thu 1/305:50 amEZE - IAD
3 stops20h 20mMultiple Airlines
Deal found 12/21$884
This Kiwi.com deal was found by Cheapflights users on 12/21. 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.
Mon 12/303:49 pmBWI - EZE
1 stop14h 02mMultiple Airlines
Thu 1/307:35 amEZE - BWI
2 stops33h 00mMultiple Airlines
Deal found 12/21$913
This Avianca deal was found by Cheapflights users on 12/21. 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 Avianca is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/302:20 pmIAD - EZE
1 stop15h 07mAvianca
Thu 1/305:50 amEZE - IAD
3 stops20h 20mAvianca
Deal found 12/21$932
This LATAM Airlines deal was found by Cheapflights users on 12/21. 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.
Mon 12/3010:01 amBWI - EZE
2 stops18h 14mLATAM Airlines
Thu 1/307:35 amEZE - BWI
2 stops19h 02mLATAM Airlines
Deal found 12/21$1,034
This Delta deal was found by Cheapflights users on 12/21. 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.
Mon 12/3012:26 pmDCA - EZE
1 stop16h 49mDelta
Thu 1/3010:25 pmEZE - DCA
1 stop21h 35mDelta
Deal found 12/21$1,034
This KAYAK deal was found by Cheapflights users on 12/21. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/308:22 amIAD - EZE
1 stop14h 41mCopa Airlines
Thu 1/3010:55 amEZE - IAD
1 stop18h 18mCopa Airlines
Deal found 12/21$1,042
This Mytrip deal was found by Cheapflights users on 12/21. 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.
Mon 12/306:10 amIAD - AEP
3 stops27h 20mMultiple Airlines
Thu 1/308:00 pmAEP - IAD
3 stops19h 00mMultiple Airlines
Deal found 12/21$1,054
This LATAM Airlines deal was found by Cheapflights users on 12/21. 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.
Mon 12/304:41 pmIAD - AEP
2 stops19h 19mLATAM Airlines
Thu 1/3010:35 amAEP - IAD
2 stops27h 22mLATAM Airlines
Deal found 12/21$1,066
This Delta deal was found by Cheapflights users on 12/21. 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.
Mon 12/3012:59 pmIAD - EZE
1 stop16h 16mDelta
Thu 1/3010:25 pmEZE - IAD
1 stop15h 00mDelta
Deal found 12/21$1,066
This United Airlines deal was found by Cheapflights users on 12/21. 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.
Mon 12/236:00 amBWI - EZE
1 stop23h 20mUnited Airlines
Sat 12/2810:05 pmEZE - BWI
1 stop20h 08mUnited Airlines
Deal found 12/21$1,098
This United Airlines deal was found by Cheapflights users on 12/21. 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.
Sun 12/2210:24 pmIAD - EZE
1 stop30h 56mUnited Airlines
Thu 12/2610:05 pmEZE - IAD
1 stop15h 21mUnited Airlines
Deal found 12/21$1,110
This CheapOair deal was found by Cheapflights users on 12/21. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/302:50 pmDCA - AEP
2 stops21h 10mLATAM Airlines
Thu 1/308:00 pmAEP - DCA
2 stops28h 35mLATAM Airlines
Deal found 12/21$1,112

Find flights from Washington, D.C. to Buenos Aires within your budget

Customize your flight search to find flights from Washington, D.C. to Buenos Aires 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 December 22, 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

Washington, D.C.Buenos Aires

IAD - EZE

IADEZE

Washington, D.C. Dulles Intl

Wed 3/19

7:10 am-12:15 am

1 stop16h 05m

Buenos Aires Ministro Pistarini

Mon 3/31

7:00 am-6:25 am

1 stop24h 25m

$827

Washington, D.C.Buenos Aires

IAD - EZE

IADEZE

Washington, D.C. Dulles Intl

Tue 2/4

3:34 pm-9:50 pm

1 stop28h 16m

Buenos Aires Ministro Pistarini

Thu 2/13

11:55 pm-1:57 pm

1 stop16h 02m

$843

Washington, D.C.Buenos Aires

DCA - EZE

DCAEZE

Washington, D.C. Reagan-National

Wed 5/21

6:00 am-2:30 pm

2 stops31h 30m

Buenos Aires Ministro Pistarini

Thu 5/29

4:35 pm-10:19 am

2 stops18h 44m

$859

Washington, D.C.Buenos Aires

IAD - EZE

IADEZE

Washington, D.C. Dulles Intl

Wed 5/21

10:30 am-2:30 pm

2 stops27h 00m

Buenos Aires Ministro Pistarini

Wed 5/28

4:35 pm-3:53 pm

3 stops24h 18m

$870

BaltimoreBuenos Aires

BWI - EZE

BWIEZE

Baltimore/Washington

Sun 1/19

3:27 pm-1:09 am

1 stop31h 42m

Buenos Aires Ministro Pistarini

Sat 2/1

2:48 pm-2:11 pm

1 stop25h 23m

$885

BaltimoreBuenos Aires

BWI - EZE

BWIEZE

Baltimore/Washington

Sun 1/19

3:27 pm-1:09 am

1 stop31h 42m

Buenos Aires Ministro Pistarini

Fri 1/31

2:30 am-10:02 am

3 stops33h 32m

$887

Washington, D.C.Buenos Aires

IAD - EZE

IADEZE

Washington, D.C. Dulles Intl

Fri 5/30

3:05 pm-12:20 pm

2 stops20h 15m

Buenos Aires Ministro Pistarini

Sun 6/15

6:15 am-2:45 am

3 stops21h 30m

$950

Washington, D.C.Buenos Aires

IAD - EZE

IADEZE

Washington, D.C. Dulles Intl

Thu 5/29

2:21 am-10:11 pm

1 stop18h 50m

Buenos Aires Ministro Pistarini

Sat 6/14

2:13 am-12:29 am

1 stop23h 16m

$962

BaltimoreBuenos Aires

BWI - AEP

BWIAEP

Baltimore/Washington

Wed 1/22

6:20 am-7:40 pm

3 stops35h 20m

Buenos Aires Jorge Newbery

Fri 2/7

12:20 am-11:59 pm

3 stops25h 39m

$969

Washington, D.C.Buenos Aires

IAD - AEP

IADAEP

Washington, D.C. Dulles Intl

Tue 4/22

7:50 pm-4:00 pm

2 stops19h 10m

Buenos Aires Jorge Newbery

Tue 5/6

7:10 pm-11:59 am

2 stops17h 49m

$974

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/21

Showing 1-10 of 60 results
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Compare providers for flights from Washington, D.C. to Buenos Aires

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 Washington, D.C. to Buenos Aires in December.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
business-class.comPrice Accuracy3 starsTrust 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 Washington, D.C.-Buenos Aires flights, users find the pricing of AranGrant to be most consistent on Cheapflights vs. AranGrant Users can find the same prices on Washington, D.C.-Buenos Aires flight deals on Cheapflights vs. AranGrant >95% of the time. Price accuracy is based on data collected from Washington, D.C.-Buenos Aires flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Washington, D.C.-Buenos Aires flights, Cheapflights users trust AranGrant the most. AranGrant 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 Washington, D.C.-Buenos Aires 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 Washington, D.C. to Buenos Aires

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

Travel insights for flights from Washington, D.C. to Buenos Aires

Get recent, data-driven insights about flights from Washington, D.C. to Buenos Aires including ideal travel times, pricing trends, and more.

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

Use this chart to determine the optimal time to book a round-trip flight from Washington, D.C. to Buenos Aires. Price data was last updated on December 13, 2024.

The best time to book flights from Washington, D.C. to Buenos Aires is 60 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

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

Currently, April is the cheapest month in which you can book a flight from Washington, D.C. to Buenos Aires (average of $795). Flying from Washington, D.C. to Buenos Aires in December is currently the most expensive (average of $1,260). 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 WAS to BUE?

Find hourly flight availability from Washington, D.C. to Buenos Aires. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 22, 2024.

One of the essential ways to save on airfare from Washington, D.C. to Buenos Aires is to remain as flexible as possible. Flights that are at noon tend to be the most expensive. A flight in the morning could potentially save you up to 13% on airfare.

What is the cheapest day to fly from Washington, D.C. to Buenos Aires?

Use this chart to determine the cheapest time to fly round-trip from Washington, D.C. to Buenos Aires. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Washington, D.C. to Buenos Aires flight should consider departing on Monday mornings when fares are most often at their lowest. Saturday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

Rainfall in Buenos Aires by month

Plan your trip to Buenos Aires by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Buenos Aires ranges from 2.0 - 3.9 inches per month. January is typically the wettest month, when rainfall can reach 3.9 in. June is typically the driest time to visit Buenos Aires when rainfall is around 2.0 in.

Temperature in Buenos Aires by month

Plan your trip to Buenos Aires by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Buenos Aires, use this chart to help with planning. For those seeking warmer temperatures, January is the ideal time of year to visit, when temperatures reach an average of 77.0 F. Travelers looking to avoid the cold should look outside of June, when temperatures are typically at their lowest (around 51.8 F).

Reviews of airlines servicing Buenos Aires

Get insights into the airlines that provide service to Buenos Aires. 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 Buenos Aires. Reviews last updated December 22, 2024.
To help decide which airline to fly from Washington, D.C. to Buenos Aires, see what other customers have to say about Copa Airlines, United Airlines and Delta. 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
8,594 reviews

Boarding

8.2

Crew

8.6

Food

7.3

Entertainment

7.9

Comfort

8.0

Overall

8.0

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Delta
8.0
Very good
8,594 reviews
Delta
8.0
Very good
8,594 reviews

Boarding

8.2

Crew

8.6

Food

7.3

Entertainment

7.9

Comfort

8.0

Overall

8.0

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Copa Airlines
7.7
Good
1,713 reviews
Delta
8.0
Very good
8,594 reviews

Boarding

8.2

Crew

8.6

Food

7.3

Entertainment

7.9

Comfort

8.0

Overall

8.0

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

LATAM Airlines
7.5
Good
1,868 reviews
Delta
8.0
Very good
8,594 reviews

Boarding

8.2

Crew

8.6

Food

7.3

Entertainment

7.9

Comfort

8.0

Overall

8.0

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Aeromexico
7.5
Good
1,917 reviews
Delta
8.0
Very good
8,594 reviews

Boarding

8.2

Crew

8.6

Food

7.3

Entertainment

7.9

Comfort

8.0

Overall

8.0

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

United Airlines
7.4
Good
9,028 reviews
Delta
8.0
Very good
8,594 reviews

Boarding

8.2

Crew

8.6

Food

7.3

Entertainment

7.9

Comfort

8.0

Overall

8.0

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Related info for your journey

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

    According to our current data, Avianca ($827), Aeromexico ($843), and Air Canada ($865) offers the cheapest pricing from Washington, D.C. to Buenos Aires. Avianca is 19% cheaper than the average price of flights available within the next 90 days to this destination.

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

    The cheapest airline one-way is Copa Airlines, with whom users have recently found tickets for as low as $333. However, be on the lookout for offers from Avianca and United Airlines, as they are both options that can get you from Washington, D.C. to Buenos Aires for a low price.

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

    While some choose either Washington, D.C. Reagan-National - Buenos Aires Ministro Pistarini or Washington, D.C. Dulles Intl - Buenos Aires Jorge Newbery, Washington, D.C. Dulles Intl - Buenos Aires Ministro Pistarini is the most popular route from Washington, D.C. to Buenos Aires.

  • Where are the most common layover locations when flying from Washington, D.C. to Buenos Aires?

    Flights departing from Washington, D.C. and landing in Buenos Aires layover in Bogotá most frequently. Panama City is the second most popular location for layovers on flights from Washington, D.C. to Buenos Aires. Atlanta follows Panama City in terms of the most frequent layover location on Washington, D.C. to Buenos Aires flights.

  • What are some popular things to do or see while on a layover in Bogotá?

    Plaza de Bolívar, Museo Botero, and Colombian National Museum are the most popular attractions in Bogotá if you're in need of something to do during your layover. Plaza de Bolívar, Museo Botero and Colombian National Museum are located about 8.7 mi, 8.9 mi, and 8.0 mi, respectively from Bogotá El Dorado if you are interested in checking them out. Those landing in Bogotá looking to spend some time exploring during their layover can rent a car for about $51 per day.

  • What are some popular points of interest to see during a layover in Panama City?

    Panama City travelers tend to visit Amador Causeway, Panama Canal, and Soberania National Park more than any other notable places. Amador Causeway, Panama Canal, and Soberania National Park are located about 14.7 mi, 15.1 mi, and 18.4 mi, respectively from Panama City Tocumen Intl. Those landing in Panama City looking to spend some time exploring during their layover can rent a car for about $12 per day.

  • What are points of interest worth seeing during a layover in Atlanta?

    Most Atlanta visitors opt to spend their time at Georgia Aquarium, Fox Theatre, and World of Coca-Cola. Georgia Aquarium, Fox Theatre and World of Coca-Cola are located about 8.6 mi, 9.3 mi, and 8.6 mi, respectively from Atlanta Hartsfield-Jackson if you are interested in checking them out. Travelers can book a car rental at Atlanta Hartsfield-Jackson for about $55 per day to make their sightseeing more efficient.

  • Where are the least popular layover locations for Washington, D.C. to Buenos Aires flights?

    The least popular layover on flights from Washington, D.C. to Buenos Aires is Miami. Miami is followed by New York in terms of the least popular layover location on flights from Washington, D.C. to Buenos Aires.

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

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

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

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

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

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

    Currently, April is the cheapest month in which you can book a flight from Washington, D.C. to Buenos Aires (average of $795). Flying from Washington, D.C. to Buenos Aires in December is currently the most expensive (average of $1,260). 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

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Top 6 airlines flying from Washington, D.C. to Buenos Aires

Discover the top 6 airlines that operate flights from Washington, D.C. to Buenos Aires. 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 December 22, 2024.
AirlineCheapestAverageFlexibilityOn-time
Copa AirlinesCheapest$549Average$939FlexibilityNo cancel feeOn-time70%
AviancaCheapest$698Average$915FlexibilityNo cancel feeOn-time71%
American AirlinesCheapest$723Average$1,159FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$823Average$1,168FlexibilityNo cancel feeOn-time69%
DeltaCheapest$963Average$1,203FlexibilityNo cancel feeOn-timeN/A
LATAM AirlinesCheapest$982Average$1,096FlexibilityNo cancel feeOn-time81%
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