Washington (IAD) to Buenos Aires (EZE) flight deal in economy from $312

Copa AirlinesCMCopa Airlines
One Way•Economy
United StatesIAD

Washington Dulles International Airport

Washington, United States
ArgentinaEZE

Ministro Pistarini International Airport

Buenos Aires, Argentina
$426 USD
-27%$312 USD
Verified 14 days ago
Good Availability
53% of dates checked are available within 10% of the lowest price

Friday, October 2nd, 2026

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