$395 Cheap Flights from Buenos Aires (EZE) to Washington (IAD)

View $395 flight on Tue, Jun 17, 2025Opens in a new window
Find available prices by choosing your travel dates.

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

Prices were available within the past 7 days and start at $395 for one-way flights and $664 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

avianca
Thu, Jun 26 - Wed, Aug 13
EZE
Buenos Aires
IAD
Washington
$664 Roundtrip, found 1 hour ago
$664
Roundtrip
found 1 hour ago
Select avianca flight, departing Thu, Jun 26 from Buenos Aires to Washington, returning Wed, Aug 13, priced at $664 found 1 hour ago
avianca
Wed, Nov 19 - Wed, Dec 3
EZE
Buenos Aires
IAD
Washington
$669 Roundtrip, found 2 days ago
$669
Roundtrip
found 2 days ago
Select avianca flight, departing Wed, Nov 19 from Buenos Aires to Washington, returning Wed, Dec 3, priced at $669 found 2 days ago
avianca
Thu, May 22 - Mon, Jun 2
EZE
Buenos Aires
IAD
Washington
$676 Roundtrip, found 3 days ago
$676
Roundtrip
found 3 days ago
Select avianca flight, departing Thu, May 22 from Buenos Aires to Washington, returning Mon, Jun 2, priced at $676 found 3 days ago
avianca
Thu, Jun 26 - Wed, Jul 23
EZE
Buenos Aires
IAD
Washington
$681 Roundtrip, found 7 hours ago
$681
Roundtrip
found 7 hours ago
Select avianca flight, departing Thu, Jun 26 from Buenos Aires to Washington, returning Wed, Jul 23, priced at $681 found 7 hours ago
avianca
Wed, Jun 25 - Mon, Jul 28
EZE
Buenos Aires
IAD
Washington
$682 Roundtrip, found 2 hours ago
$682
Roundtrip
found 2 hours ago
Select avianca flight, departing Wed, Jun 25 from Buenos Aires to Washington, returning Mon, Jul 28, priced at $682 found 2 hours ago
Copa
Wed, Jun 25 - Mon, Jul 28
EZE
Buenos Aires
IAD
Washington
$686 Roundtrip, found 2 hours ago
$686
Roundtrip
found 2 hours ago
Select Copa flight, departing Wed, Jun 25 from Buenos Aires to Washington, returning Mon, Jul 28, priced at $686 found 2 hours ago
avianca
Sat, Nov 1 - Tue, Nov 25
EZE
Buenos Aires
IAD
Washington
$703 Roundtrip, found 4 days ago
$703
Roundtrip
found 4 days ago
Select avianca flight, departing Sat, Nov 1 from Buenos Aires to Washington, returning Tue, Nov 25, priced at $703 found 4 days ago
Aeromexico
Tue, Mar 3 - Tue, Mar 17
EZE
Buenos Aires
IAD
Washington
$726 Roundtrip, found 1 day ago
$726
Roundtrip
found 1 day ago
Select Aeromexico flight, departing Tue, Mar 3 from Buenos Aires to Washington, returning Tue, Mar 17, priced at $726 found 1 day ago
United
Wed, Aug 27 - Wed, Sep 3
EZE
Buenos Aires
IAD
Washington
$736 Roundtrip, found 6 hours ago
$736
Roundtrip
found 6 hours ago
Select United flight, departing Wed, Aug 27 from Buenos Aires to Washington, returning Wed, Sep 3, priced at $736 found 6 hours ago
American Airlines
Tue, Mar 3 - Tue, Mar 17
EZE
Buenos Aires
IAD
Washington
$769 Roundtrip, found 1 day ago
$769
Roundtrip
found 1 day ago
Select American Airlines flight, departing Tue, Mar 3 from Buenos Aires to Washington, returning Tue, Mar 17, priced at $769 found 1 day ago
Flights from Buenos Aires (EZE) to Washington (IAD)
Origin airport
Ministro Pistarini Intl.
Destination airport
Washington Dulles Intl.
Airlines serving
Aeromexico, Air Canada, American Airlines, Copa, Delta, LATAM Airlines Group, United, avianca
Roundtrip price
$664
Distance
5237 mi

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 June. 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 $395 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.

Frequently asked questions

How much does a flight from Ministro Pistarini Intl. Airport (EZE) to Washington Dulles Intl. Airport (IAD) cost?
Discover the latest flight deals from EZE to IAD by entering your preferred travel dates and searching on Expedia. Easily compare prices by departure date if you have flexibility with your schedule and use handy filters to explore prices for your preferred journey. As a member of One Key™, our free loyalty program, you can use Price Tracking to watch fares and receive notifications if prices go up or down.
What is the cheapest month to fly from EZE to IAD?
The cheapest flights from EZE to IAD are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
What is the cheapest airline that flies from EZE to IAD?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that’ll take you from EZE to IAD. Sort your results by “Price (lowest to highest)” to snap up a great deal.
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.

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*Available to One Key members.