$401 Cheap Flights from Buenos Aires (EZE) to Washington (IAD)

View $401 flight on Sat, Dec 13, 2025Opens in a new window

Popular airlines from Ministro Pistarini Intl. Airport (EZE) to Washington Dulles Intl. Airport (IAD)

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

Prices were available within the past 7 days and start at $401 for one-way flights and $672 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

avianca
Wed, Nov 26 - Sun, Dec 7
EZE
Buenos Aires
IAD
Washington
$672 Roundtrip, found 3 hours ago
$672
Roundtrip
found 3 hours ago
Select avianca flight, departing Wed, Nov 26 from Buenos Aires to Washington, returning Sun, Dec 7, priced at $672 found 3 hours ago
avianca
Wed, Nov 5 - Sat, Nov 8
EZE
Buenos Aires
IAD
Washington
$675 Roundtrip, found 4 hours ago
$675
Roundtrip
found 4 hours ago
Select avianca flight, departing Wed, Nov 5 from Buenos Aires to Washington, returning Sat, Nov 8, priced at $675 found 4 hours ago
Copa
Wed, Dec 17 - Wed, Dec 31
EZE
Buenos Aires
IAD
Washington
$676 Roundtrip, found 1 hour ago
$676
Roundtrip
found 1 hour ago
Select Copa flight, departing Wed, Dec 17 from Buenos Aires to Washington, returning Wed, Dec 31, priced at $676 found 1 hour ago
avianca
Fri, Nov 14 - Mon, Jan 5
EZE
Buenos Aires
IAD
Washington
$685 Roundtrip, found 14 hours ago
$685
Roundtrip
found 14 hours ago
Select avianca flight, departing Fri, Nov 14 from Buenos Aires to Washington, returning Mon, Jan 5, priced at $685 found 14 hours ago
avianca
Thu, Nov 6 - Sat, Nov 22
EZE
Buenos Aires
IAD
Washington
$688 Roundtrip, found 2 days ago
$688
Roundtrip
found 2 days ago
Select avianca flight, departing Thu, Nov 6 from Buenos Aires to Washington, returning Sat, Nov 22, priced at $688 found 2 days ago
United
Fri, Dec 12 - Sun, Mar 15
EZE
Buenos Aires
IAD
Washington
$688 Roundtrip, found 1 hour ago
$688
Roundtrip
found 1 hour ago
Select United flight, departing Fri, Dec 12 from Buenos Aires to Washington, returning Sun, Mar 15, priced at $688 found 1 hour ago
avianca
Sun, Nov 16 - Tue, Dec 9
EZE
Buenos Aires
IAD
Washington
$690 Roundtrip, just found
$690
Roundtrip
just found
Select avianca flight, departing Sun, Nov 16 from Buenos Aires to Washington, returning Tue, Dec 9, priced at $690 just found
American Airlines
Wed, Nov 26 - Sun, Dec 7
EZE
Buenos Aires
IAD
Washington
$692 Roundtrip, found 3 hours ago
$692
Roundtrip
found 3 hours ago
Select American Airlines flight, departing Wed, Nov 26 from Buenos Aires to Washington, returning Sun, Dec 7, priced at $692 found 3 hours ago
avianca
Sun, Nov 16 - Tue, Dec 9
EZE
Buenos Aires
IAD
Washington
$696 Roundtrip, just found
$696
Roundtrip
just found
Select avianca flight, departing Sun, Nov 16 from Buenos Aires to Washington, returning Tue, Dec 9, priced at $696 just found
Delta
Mon, Dec 8 - Tue, Dec 9
EZE
Buenos Aires
IAD
Washington
$764 Roundtrip, found 1 day ago
$764
Roundtrip
found 1 day ago
Select Delta flight, departing Mon, Dec 8 from Buenos Aires to Washington, returning Tue, Dec 9, priced at $764 found 1 day ago

Alternative airports near Washington

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

Select flight to Ronald Reagan Washington National DCA. Cheapest and Closest option available. Average driving time to city center is 8 minutes. Flights from $688
DCA
Ronald Reagan Washington National
CheapestClosest
Average driving time to city center8 min
Flights from $688

Frequently asked questions

How much does a flight from Ministro Pistarini Intl. Airport (EZE) to Washington Dulles Intl. Airport (IAD) cost?
Lock in a cheap one-way flight from $401 or cheap return flight from $672 from Ministro Pistarini Intl. Airport (EZE) to Washington Dulles Intl. Airport (IAD) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight deals on this route.
What is the cheapest month to fly from Ministro Pistarini Intl. Airport (EZE) to Washington Dulles Intl. Airport (IAD)?
Planning your getaway for November is a good way to save, as it's the cheapest month for flights between EZE and IAD. You'll often find the lowest prices during the off-season.
What is the cheapest airline that flies from Ministro Pistarini Intl. Airport (EZE) to Washington Dulles Intl. Airport (IAD)?
Expedia's filter tool lets you easily compare different airlines, travel time and fares all in one place. Choose your preferences, then sort by "Price (lowest to highest)" to see which carrier offers the cheapest EZE to IAD flight.
How many flights per day from Ministro Pistarini Intl. Airport (EZE) to Washington Dulles Intl. Airport (IAD)?
Direct flights from Ministro Pistarini Intl. Airport (EZE) to Washington Dulles Intl. Airport (IAD) aren't available daily, so you'll need to take a flight with a layover. Explore your options with Expedia's filter tool. Enter your travel dates and click on either "1 Stop" or "2+ Stops."
What day of the week has the most flights from EZE to IAD?
Friday is generally the busiest day for flights, while Tuesday is often the quietest.* Remember that flight schedules can change based on a range of factors, including 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 Ministro Pistarini Intl. Airport (EZE) to Washington Dulles Intl. Airport (IAD)?
Opt for a flight from Ministro Pistarini Intl. Airport (EZE) to Washington Dulles Intl. Airport (IAD) that takes off before 3 PM to reduce the risk of delays and cancellations. Departures after this time have a 22% higher chance of being canceled, on average.**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 Ministro Pistarini Intl. Airport (EZE) to Washington Dulles Intl. Airport (IAD) last-minute?
Holding off until right before your break to book your flight from EZE to IAD generally means paying more. Although you may find some last-minute deals, they're not always guaranteed. Be flexible with your itinerary to boost your chances of snagging a bargain.
Is it cheaper to book an EZE to IAD flight and hotel package?
You'll typically save money by booking an EZE to IAD flight and hotel package compared to booking separately. In fact, travelers could save hundreds of dollars by bundling with Expedia. And it's easy to manage it all in one convenient place. Once you've selected your ideal flights and accommodations, consider adding extras such as tours, car rentals and activities.
Can I cancel or change the date of my flight from Ministro Pistarini Intl. Airport (EZE) to Washington Dulles Intl. Airport (IAD)?
Generally, it's possible to reschedule or cancel your EZE to IAD flight. However, if the booking was made more than 24 hours ago, additional charges may apply. Refer to your airline's policies in your itinerary to see what changes are allowed and whether any costs are involved. You'll also find more details on our Customer Service portal.

Travel information

Origin airport
Ministro Pistarini Intl.
Destination airport
Washington Dulles Intl.
Airlines serving
Air Canada, American Airlines, Copa, Delta, LATAM Airlines Group, United, avianca
Roundtrip price
$671
Distance
5237 mi

Book with confidence

Buenos Aires to Washington Flights

The cheapest times to fly from Buenos Aires to Washington

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 Buenos Aires to Washington are during the month of November. You can find some of the cheapest flights from Buenos Aires to Washington with Expedia's search tool and vast selection of airlines.

 

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

Sunday is one of the best days to book for cheap flights from Buenos Aires to Washington: 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 Buenos Aires to Washington

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 Buenos Aires to Washington in 2025. You can also book with separate airlines for your outbound and return journeys, from $401 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 Buenos Aires to Washington 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 Buenos Aires to Washington 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.

 

Buenos Aires to Washington Flights

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*Available to One Key members.