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Buenos Aires

$274+ Cheap flights from District of Columbia 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 1/12. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — BUE
Jan 17 — Jan 241
Sat 1/17
Sat 1/24
1 adult, Economy
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Cheap flight deals from District of Columbia to Buenos Aires

Cheapest flights from District of Columbia to Buenos Aires
Explore the most affordable flight options available from District of Columbia to Buenos Aires. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 18, 2025.

This KAYAK deal was found by Cheapflights users on 12/16. 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.
Tue 12/3012:37 pmDCA - EZE
2 stops18h 58mLATAM Airlines
Fri 1/239:55 pmEZE - DCA
2 stops26h 14mLATAM Airlines
Deal found 12/16$640
This United Airlines deal was found by Cheapflights users on 12/16. 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.
Wed 12/172:54 pmDCA - EZE
1 stop14h 26mUnited Airlines
Wed 12/2411:55 pmEZE - DCA
1 stop18h 01mUnited Airlines
Deal found 12/16$671
This CheapOair deal was found by Cheapflights users on 12/14. 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.
Thu 12/185:59 pmIAD - EZE
1 stop13h 01mLATAM Airlines
Sat 12/208:55 pmEZE - IAD
1 stop14h 51mLATAM Airlines
Deal found 12/14$685
This LATAM Airlines deal was found by Cheapflights users on 12/14. 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.
Wed 12/173:38 pmIAD - EZE
1 stop13h 42mLATAM Airlines
Thu 12/2511:55 pmEZE - IAD
1 stop17h 19mLATAM Airlines
Deal found 12/14$686
This KAYAK deal was found by Cheapflights users on 12/16. 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.
Thu 12/252:00 pmDCA - EZE
2 stops17h 15mLATAM Airlines
Fri 1/239:55 pmEZE - DCA
2 stops26h 14mLATAM Airlines
Deal found 12/16$686
This KAYAK deal was found by Cheapflights users on 12/16. 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 12/294:17 pmIAD - EZE
1 stop13h 03mLATAM Airlines
Thu 1/228:55 pmEZE - IAD
1 stop23h 26mLATAM Airlines
Deal found 12/16$689
This KAYAK deal was found by Cheapflights users on 12/16. 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 12/292:01 pmDCA - EZE
1 stop15h 19mLATAM Airlines
Wed 1/2110:25 pmEZE - DCA
1 stop20h 04mLATAM Airlines
Deal found 12/16$689
This Cheapflightsfares deal was found by Cheapflights users on 12/16. 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.
Sat 12/274:17 pmIAD - EZE
1 stop14h 43mLATAM Airlines
Sat 2/218:55 pmEZE - IAD
1 stop16h 40mLATAM Airlines
Deal found 12/16$705
This KAYAK deal was found by Cheapflights users on 12/16. 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.
Thu 12/252:00 pmDCA - EZE
2 stops17h 15mLATAM Airlines
Wed 1/2110:25 pmEZE - DCA
1 stop20h 04mLATAM Airlines
Deal found 12/16$739
This KAYAK deal was found by Cheapflights users on 12/16. 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.
Wed 12/2410:57 amIAD - EZE
2 stops20h 38mLATAM Airlines
Thu 1/2211:55 pmEZE - IAD
1 stop20h 26mLATAM Airlines
Deal found 12/16$743
This KAYAK deal was found by Cheapflights users on 12/16. 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.
Wed 12/2410:17 amDCA - EZE
2 stops21h 18mLATAM Airlines
Sat 1/249:55 pmEZE - DCA
2 stops26h 14mLATAM Airlines
Deal found 12/16$743
This Travelocity deal was found by Cheapflights users on 12/16. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/266:59 pmIAD - EZE
1 stop34h 21mMultiple Airlines
Sun 3/224:55 pmEZE - IAD
1 stop13h 30mMultiple Airlines
Deal found 12/16$744

Find flight deals from District of Columbia to Buenos Aires

Keep the following information in mind while searching for District of Columbia to Buenos Aires flight deals. Data was last updated December 18, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$637
(Mytrip)

One-way from

$274
(LATAM Airlines)

Popular in

December

Cheapest in

August

Average price

$1,108
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 District of Columbia to Buenos Aires (BUE)
Search Deals
One-way flight from District of Columbia to Buenos Aires (BUE)
Search Deals
Highest demand for flights based on searches. 9% potential increase in price ($84 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($24 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from District of Columbia 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 18, 2025.
Use the filters below to find and compare flights from District of Columbia to Buenos Aires that are best for you.

Fly from

District of Columbia

Fly to

Buenos Aires

Route

Depart

Return

Price

Washington, D.C.Buenos Aires

IAD - EZE

IADEZE

Washington, D.C. Dulles Intl

Thu 4/30

6:00 am-9:45 am

1 stop26h 45m

Buenos Aires Ministro Pistarini

Fri 5/15

7:45 am-12:09 am

2 stops17h 24m

$642

Washington, D.C.Buenos Aires

IAD - EZE

IADEZE

Washington, D.C. Dulles Intl

Sat 1/31

7:49 pm-10:15 am

1 stop36h 26m

Buenos Aires Ministro Pistarini

Fri 2/6

10:25 pm-11:43 am

1 stop15h 18m

$642

Washington, D.C.Buenos Aires

DCA - EZE

DCAEZE

Washington, D.C. Reagan-National

Sat 1/31

6:15 pm-7:20 am

1 stop35h 05m

Buenos Aires Ministro Pistarini

Tue 2/10

8:55 pm-11:20 am

1 stop16h 25m

$642

Washington, D.C.Buenos Aires

DCA - EZE

DCAEZE

Washington, D.C. Reagan-National

Sat 1/31

6:15 pm-7:20 am

1 stop35h 05m

Buenos Aires Ministro Pistarini

Sat 2/7

8:55 pm-9:10 am

1 stop14h 15m

$642

Washington, D.C.Buenos Aires

DCA - EZE

DCAEZE

Washington, D.C. Reagan-National

Sun 5/3

9:00 am-9:45 am

1 stop23h 45m

Buenos Aires Ministro Pistarini

Thu 5/14

8:10 pm-9:19 pm

1 stop26h 09m

$642

Washington, D.C.Buenos Aires

DCA - EZE

DCAEZE

Washington, D.C. Reagan-National

Sat 1/31

6:15 pm-7:20 am

1 stop35h 05m

Buenos Aires Ministro Pistarini

Fri 2/6

8:55 pm-9:10 am

1 stop14h 15m

$642

Washington, D.C.Buenos Aires

DCA - EZE

DCAEZE

Washington, D.C. Reagan-National

Thu 3/5

8:35 pm-9:00 am

1 stop34h 25m

Buenos Aires Ministro Pistarini

Thu 3/19

11:55 pm-2:50 pm

1 stop15h 55m

$642

Washington, D.C.Buenos Aires

IAD - EZE

IADEZE

Washington, D.C. Dulles Intl

Tue 3/24

2:18 am-1:02 am

1 stop21h 44m

Buenos Aires Ministro Pistarini

Tue 4/14

2:57 pm-4:22 am

1 stop14h 25m

$643

Washington, D.C.Buenos Aires

IAD - EZE

IADEZE

Washington, D.C. Dulles Intl

Tue 1/27

8:25 am-1:04 am

1 stop14h 39m

Buenos Aires Ministro Pistarini

Wed 4/8

2:57 pm-4:22 am

1 stop14h 25m

$648

Washington, D.C.Buenos Aires

IAD - EZE

IADEZE

Washington, D.C. Dulles Intl

Wed 1/21

8:25 am-1:04 am

1 stop14h 39m

Buenos Aires Ministro Pistarini

Fri 1/30

9:16 am-3:13 am

1 stop19h 57m

$648

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/15

Showing 1-10 of 60 results
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Best time to book a flight from District of Columbia to Buenos Aires

Have a flexible travel schedule? Discover the best time to fly to Buenos Aires from District of Columbia 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 District of Columbia to Buenos Aires

What is the cheapest month to book a flight from District of Columbia to Buenos Aires?

Currently, March is the cheapest month in which you can book a flight from District of Columbia to Buenos Aires (average of $278). Flying from District of Columbia to Buenos Aires in February is currently the most expensive (average of $709). 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 DC to BUE?

Find hourly flight availability from District of Columbia 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 18, 2025.

A simple way to save on the total cost of your ticket is to fly from District of Columbia to Buenos Aires in the evening. If you’re flexible enough to do this you can expect to save up to 21% on your trip compared to booking a flight in the afternoon.

What is the cheapest day to fly from District of Columbia to Buenos Aires?

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

Travelers seeking maximum savings on their District of Columbia to Buenos Aires flight should consider departing on Tuesday 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.

Related info for your journey

Find useful and relevant information for your journey from District of Columbia to Buenos Aires. 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 District of Columbia to Buenos Aires?

    A quick flight from District of Columbia to Buenos Aires can take about 21h 44m. Delta provides one of the quickest options available for as low as $643. The distance from District of Columbia to Buenos Aires is about 5235 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the cheapest airlines to fly from District of Columbia to Buenos Aires one-way?

    To fly one-way, consider booking your trip with LATAM Airlines, which is currently one of the cheapest options available, starting at $264. Copa Airlines flights start at $266 while deals on Avianca start at $269 one-way.

  • What are the most popular routes from District of Columbia 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 District of Columbia to Buenos Aires.

  • Can I find deals for flights from District of Columbia to Buenos Aires that include hotel bookings?

    Yes. In addition to deals on District of Columbia to Buenos Aires flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from District of Columbia to Buenos Aires?

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

  • Can I find deals for business class flights from District of Columbia to Buenos Aires?

    Yes. Cheapflights offers flight deals from District of Columbia 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 District of Columbia to Buenos Aires?

    Currently, March is the cheapest month in which you can book a flight from District of Columbia to Buenos Aires (average of $278). Flying from District of Columbia to Buenos Aires in February is currently the most expensive (average of $709). 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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Alternative routes for District of Columbia to Buenos Aires

See prices for flight routes from nearby airports that may be better suited for you.
John F Kennedy Intl to Ministro Pistarini flights
Miami to Ministro Pistarini flights
John F Kennedy Intl to Jorge Newbery flights
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Top 6 airlines flying from District of Columbia to Buenos Aires

Discover the top 6 airlines that operate flights from District of Columbia 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 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
LATAM AirlinesCheapest$278Average$779FlexibilityNo cancel feeOn-time81%
DeltaCheapest$514Average$950FlexibilityNo cancel feeOn-timeN/A
AviancaCheapest$600Average$819FlexibilityNo cancel feeOn-time71%
Copa AirlinesCheapest$617Average$827FlexibilityNo cancel feeOn-time70%
American AirlinesCheapest$629Average$959FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$629Average$786FlexibilityNo cancel feeOn-time69%

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