$275 Cheap Flights from Washington (DCA) to Buenos Aires (EZE)

View $275 flight on Tue, Nov 25, 2025Opens in a new window

Popular airlines from Ronald Reagan Washington National Airport (DCA) to Ministro Pistarini Intl. Airport (EZE)

Cheap Flights from Washington to Buenos Aires (DCA-EZE)

Prices were available within the past 7 days and start at $275 for one-way flights and $640 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Tue, Nov 25 - Wed, Dec 3
DCA
Washington
EZE
Buenos Aires
$640 Roundtrip, just found
$640
Roundtrip
just found
Select Delta flight, departing Tue, Nov 25 from Washington to Buenos Aires, returning Wed, Dec 3, priced at $640 just found
United
Tue, Nov 25 - Wed, Dec 3
DCA
Washington
EZE
Buenos Aires
$640 Roundtrip, just found
$640
Roundtrip
just found
Select United flight, departing Tue, Nov 25 from Washington to Buenos Aires, returning Wed, Dec 3, priced at $640 just found
American Airlines
Thu, Jan 15 - Mon, Jan 19
DCA
Washington
EZE
Buenos Aires
$644 Roundtrip, just found
$644
Roundtrip
just found
Select American Airlines flight, departing Thu, Jan 15 from Washington to Buenos Aires, returning Mon, Jan 19, priced at $644 just found
Delta
Tue, Nov 25 - Wed, Dec 3
DCA
Washington
EZE
Buenos Aires
$646 Roundtrip, just found
$646
Roundtrip
just found
Select Delta flight, departing Tue, Nov 25 from Washington to Buenos Aires, returning Wed, Dec 3, priced at $646 just found
Delta
Sat, Feb 14 - Wed, Feb 18
DCA
Washington
EZE
Buenos Aires
$647 Roundtrip, found 1 day ago
$647
Roundtrip
found 1 day ago
Select Delta flight, departing Sat, Feb 14 from Washington to Buenos Aires, returning Wed, Feb 18, priced at $647 found 1 day ago
United
Sat, Jan 17 - Tue, Jan 27
DCA
Washington
EZE
Buenos Aires
$648 Roundtrip, found 2 hours ago
$648
Roundtrip
found 2 hours ago
Select United flight, departing Sat, Jan 17 from Washington to Buenos Aires, returning Tue, Jan 27, priced at $648 found 2 hours ago
United
Fri, Dec 5 - Tue, Dec 9
DCA
Washington
EZE
Buenos Aires
$651 Roundtrip, found 21 hours ago
$651
Roundtrip
found 21 hours ago
Select United flight, departing Fri, Dec 5 from Washington to Buenos Aires, returning Tue, Dec 9, priced at $651 found 21 hours ago
Delta
Sun, Feb 22 - Sun, Mar 15
DCA
Washington
EZE
Buenos Aires
$652 Roundtrip, found 3 hours ago
$652
Roundtrip
found 3 hours ago
Select Delta flight, departing Sun, Feb 22 from Washington to Buenos Aires, returning Sun, Mar 15, priced at $652 found 3 hours ago
LATAM Airlines Group
Wed, Dec 10 - Wed, Dec 17
DCA
Washington
EZE
Buenos Aires
$659 Roundtrip, found 1 day ago
$659
Roundtrip
found 1 day ago
Select LATAM Airlines Group flight, departing Wed, Dec 10 from Washington to Buenos Aires, returning Wed, Dec 17, priced at $659 found 1 day ago
Air Canada
Tue, Apr 7 - Mon, Apr 20
DCA
Washington
EZE
Buenos Aires
$934 Roundtrip, found 4 hours ago
$934
Roundtrip
found 4 hours ago
Select Air Canada flight, departing Tue, Apr 7 from Washington to Buenos Aires, returning Mon, Apr 20, priced at $934 found 4 hours ago

Alternative airports near Buenos Aires

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Aeroparque Jorge Newbery AEP. Closest option available. Average driving time to city center is 11 minutes. Flights from $922
AEP
Aeroparque Jorge Newbery
Closest
Average driving time to city center11 min
Flights from $922

Frequently asked questions

How much does a flight from Ronald Reagan Washington National Airport (DCA) to Ministro Pistarini Intl. Airport (EZE) cost?
Snag a cheap one-way flight from $275 or cheap return flight from $640 from Ronald Reagan Washington National Airport (DCA) to Ministro Pistarini Intl. Airport (EZE) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight deals on this route.
What is the cheapest month to fly from Ronald Reagan Washington National Airport (DCA) to Ministro Pistarini Intl. Airport (EZE)?
November is the least expensive month to fly from DCA to EZE. Traveling outside of peak seasons is often the key to scoring lower fares.
What is the cheapest airline that flies from Ronald Reagan Washington National Airport (DCA) to Ministro Pistarini Intl. Airport (EZE)?
Expedia's filter tool lets you easily compare airlines, flight times and fares all in one place. Customize the search to your preferences, then sort by "Price (lowest to highest)" to find out which carrier offers the cheapest DCA to EZE flight.
How many flights per day from Ronald Reagan Washington National Airport (DCA) to Ministro Pistarini Intl. Airport (EZE)?
There aren't any daily direct flights available from Ronald Reagan Washington National Airport (DCA) to Ministro Pistarini Intl. Airport (EZE). But you can book flights with layovers. Filter your search on Expedia to include one or two stops, and you'll be on your way in no time.
What day of the week has the most flights from DCA to EZE?
Friday is generally the busiest day for flights, while Tuesday is often the quietest.* Keep in mind that flight schedules can change based on various factors, such as the carrier and season.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Ronald Reagan Washington National Airport (DCA) to Ministro Pistarini Intl. Airport (EZE)?
To land at Ministro Pistarini Intl. Airport (EZE) on schedule, opt for a flight that leaves from Ronald Reagan Washington National Airport (DCA) before 3 PM. The chance of cancellations is 22% higher, on average, for departures after this time.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Ronald Reagan Washington National Airport (DCA) to Ministro Pistarini Intl. Airport (EZE) last-minute?
Last-minute bookings from DCA to EZE are typically more expensive. To lock in the cheapest rates, start looking for flights as early as possible. That being said, if you're flexible with your travel plans, you may find a cheap ticket right before your trip.
Is it cheaper to book a DCA to EZE flight and hotel package?
Compared with arranging hotels and flights separately, booking a DCA to EZE flight and hotel package with Expedia could result in significant savings. Better yet, having it all in one place will take the stress out of planning your trip. Just secure your flights and choose from our wide range of stays, then personalize your trip with other add-ons like tours, activities and car rentals.
Can I cancel or change the date of my flight from Ronald Reagan Washington National Airport (DCA) to Ministro Pistarini Intl. Airport (EZE)?
Typically, you can modify or cancel your DCA to EZE flight. However, additional charges may apply, especially if you booked more than 24 hours ago. Double-check your itinerary for the airline's rules and fees on flight changes, or if you need further details, go to our Customer Service portal.

Travel information

Origin airport
Ronald Reagan Washington National
Destination airport
Ministro Pistarini Intl.
Airlines serving
Air Canada, American Airlines, Delta, GOL Linhas Aereas S.A., LATAM Airlines Group, United
Roundtrip price
$639
Distance
5224 mi

Book with confidence

Washington to Buenos Aires Flights

The cheapest times to fly from Washington to Buenos Aires

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Washington to Buenos Aires are during the month of November. You can find some of the cheapest flights from Washington to Buenos Aires with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Washington to Buenos Aires

Sunday is one of the best days to book for cheap flights from Washington to Buenos Aires: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Washington to Buenos Aires

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Washington to Buenos Aires in 2025. You can also book with separate airlines for your outbound and return journeys, from $275 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Washington to Buenos Aires flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Washington to Buenos Aires airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Washington to Buenos Aires Flights

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*Available to One Key members.