RM1,142 Cheap Flights from Washington (IAD) to Buenos Aires (EZE)

View RM1,142 flight on Mon, 27 Apr 2026Opens in a new window

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

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

Prices were available within the past 7 days and start at RM1,142 for one-way flights and RM3,358 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Mon, 27 Apr - Fri, 1 May
IAD
Washington
EZE
Buenos Aires
RM3,358 Return, found 2 days ago
RM3,358
Return
found 2 days ago
Select Delta flight, departing Mon, 27 Apr from Washington to Buenos Aires, returning Fri, 1 May, priced at RM3,358 found 2 days ago
Delta
Mon, 27 Apr - Fri, 1 May
IAD
Washington
EZE
Buenos Aires
RM3,359 Return, found 2 days ago
RM3,359
Return
found 2 days ago
Select Delta flight, departing Mon, 27 Apr from Washington to Buenos Aires, returning Fri, 1 May, priced at RM3,359 found 2 days ago
avianca
Mon, 27 Apr - Fri, 1 May
IAD
Washington
EZE
Buenos Aires
RM3,564 Return, found 2 days ago
RM3,564
Return
found 2 days ago
Select avianca flight, departing Mon, 27 Apr from Washington to Buenos Aires, returning Fri, 1 May, priced at RM3,564 found 2 days ago
Delta
Mon, 27 Apr - Fri, 1 May
IAD
Washington
EZE
Buenos Aires
RM3,650 Return, found 2 days ago
RM3,650
Return
found 2 days ago
Select Delta flight, departing Mon, 27 Apr from Washington to Buenos Aires, returning Fri, 1 May, priced at RM3,650 found 2 days ago
American Airlines
Mon, 8 Dec - Mon, 22 Dec
IAD
Washington
EZE
Buenos Aires
RM3,756 Return, found 1 day ago
RM3,756
Return
found 1 day ago
Select American Airlines flight, departing Mon, 8 Dec from Washington to Buenos Aires, returning Mon, 22 Dec, priced at RM3,756 found 1 day ago
Delta
Mon, 8 Dec - Mon, 22 Dec
IAD
Washington
EZE
Buenos Aires
RM3,798 Return, found 1 day ago
RM3,798
Return
found 1 day ago
Select Delta flight, departing Mon, 8 Dec from Washington to Buenos Aires, returning Mon, 22 Dec, priced at RM3,798 found 1 day ago
American Airlines
Mon, 8 Dec - Mon, 22 Dec
IAD
Washington
EZE
Buenos Aires
RM3,802 Return, found 1 day ago
RM3,802
Return
found 1 day ago
Select American Airlines flight, departing Mon, 8 Dec from Washington to Buenos Aires, returning Mon, 22 Dec, priced at RM3,802 found 1 day ago
avianca
Mon, 27 Apr - Fri, 1 May
IAD
Washington
EZE
Buenos Aires
RM3,844 Return, found 2 days ago
RM3,844
Return
found 2 days ago
Select avianca flight, departing Mon, 27 Apr from Washington to Buenos Aires, returning Fri, 1 May, priced at RM3,844 found 2 days ago
LATAM Airlines Group
Mon, 27 Apr - Fri, 1 May
IAD
Washington
EZE
Buenos Aires
RM3,941 Return, found 2 days ago
RM3,941
Return
found 2 days ago
Select LATAM Airlines Group flight, departing Mon, 27 Apr from Washington to Buenos Aires, returning Fri, 1 May, priced at RM3,941 found 2 days ago
Copa
Mon, 27 Apr - Fri, 1 May
IAD
Washington
EZE
Buenos Aires
RM4,280 Return, found 2 days ago
RM4,280
Return
found 2 days ago
Select Copa flight, departing Mon, 27 Apr from Washington to Buenos Aires, returning Fri, 1 May, priced at RM4,280 found 2 days ago

Find the cheapest month to fly from Washington (IAD) to Buenos Aires (EZE)

June is typically the cheapest month to fly

From RM 2,129 - RM 4,259 per traveller.

Graph displaying average flight prices per month

Washington to Buenos Aires route information
Origin airport
Washington Dulles Intl.
Destination airport
Ministro Pistarini Intl.
Airlines serving
Air Canada, American Airlines, Copa, Delta, United, avianca
Return price
RM3,358
Distance
8380 km

Perfect flights from Washington to Buenos Aires

Your Journey from Washington to Buenos Aires

Start your unforgettable journey with Expedia. Our broad selection of flights from Washington to Buenos Aires caters to every travel need. Whether you're yearning for a romantic escape, a solo adventure, or a cultural immersion, we've got you covered.
 

Choosing Your Ideal Flight

With Expedia, you have access to a wide range of airlines, including Delta, American Airlines, avianca, Copa, United, LATAM Airlines Group. Our selection of flights from Washington Dulles Intl. to Ministro Pistarini Intl. caters to every traveler's requirements, ensuring your journey aligns with your schedule. With options from 20 airlines, you're bound to find the perfect flight.
 

Maximizing Value with Washington to Buenos Aires Flights

Experience the joy of finding cheap flights from Washington Dulles Intl. to Ministro Pistarini Intl. that fit your budget. Keep an eye out for our special deals and discounts, and check our flexible one-way fares from RM1,142 and roundtrip prices from RM3,358*.
 

Pre-Flight Essentials

Ensure a smooth journey from Washington to Buenos Aires with Expedia. From information about check-in times and in-flight amenities to guidance on baggage policies, we provide all the essentials to prepare you for your flight.
 

Experience the Vibrant Buenos Aires

Picture yourself stepping off the plane in Buenos Aires and immersing yourself in the unique atmosphere of . From local markets to cultural festivals, each city offers its distinct charm. Make the most of your trip by exploring local attractions and indulging in the local cuisine. With Expedia, explore all this and more, tailored to your budget.
 

Added Convenience on Your Washington to Buenos Aires Flight

Traveling with Expedia is more than just a flight. We offer details about in-flight amenities, baggage policies, and more to ensure a smooth and hassle-free journey. Choose from our variety of airlines and embark on a memorable journey from Washington to Buenos Aires.
 

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With Expedia, your adventure extends beyond the flight. Explore Buenos Aires at your own pace by renting a car or booking a hotel. Discover hidden gems off the beaten path and create unforgettable memories.
 

Book Your Flight from Washington to Buenos Aires with Confidence

Planning your next great adventure is a breeze with Expedia. Our user-friendly platform, unbeatable prices, and round-the-clock customer support make your travel experience seamless and stress-free. Embark on your journey from Washington to Buenos Aires with confidence. Book your travel arrangements with Expedia today.
 
*Note: Prices may vary based on availability and are subject to change.

Frequently asked questions

How much is a flight from Dulles Intl. Airport to EZE?
Based on fares available within the last 7 days on Expedia for flights departing within the next year, round-trip flights from Washington Dulles Intl. Airport (IAD) to Buenos Aires Ezeiza Airport start from RM3,358. Make your booking ASAP to get the best price for your next big adventure. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from Dulles Intl. Airport to Ministro Pistarini Intl. Airport (EZE)?
Most flights can be cancelled online, but each airline has a different set of terms and conditions. If you do need to cancel your flight, go to our Customer Service Portal and follow the instructions.
How do I find cheap flights from Washington Dulles Intl. Airport (IAD) to Ministro Pistarini Intl. Airport (EZE) that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you're searching for IAD to EZE flights, you'll see a "no change fees" filter for you to select.
How far is the flight from Washington Dulles Intl. Airport (IAD) to EZE?
With a flight distance of 8,400 kilometres from IAD to Ministro Pistarini Intl. Airport (EZE), this is a long-haul flight. Be sure to stay hydrated and get up to stretch your legs every now and then.
Which airlines fly direct from IAD to Ezeiza International Airport?
Direct flights aren't available, so you'll have to make at least one stop between Dulles Intl. Airport and Ministro Pistarini Intl. Airport (EZE). Take advantage of the layover time to stretch your legs and enjoy some personal space.
Are IAD to Buenos Aires Ezeiza Airport flight tickets cheaper when they're purchased at the last minute?
Late planners can occasionally pick up a bargain, with some super cheap fares from IAD to Ministro Pistarini Intl. Airport (EZE) showing up a few weeks before the date of departure. If you'd rather plan ahead of time, Expedia compares and updates the best flight deals continuously — as early as 12 months in advance in some cases. It does depend on the carrier though, as not every airline advertises prices so far in advance.

Explore a world of travel with Expedia

*Available to Expedia members.