Washington (IAD) to Buenos Aires (EZE) flight deal in economy from $327

Copa AirlinesCMCopa Airlines
One Way•Economy
United StatesIAD

Washington Dulles International Airport

Washington, United States
ArgentinaEZE

Ministro Pistarini International Airport

Buenos Aires, Argentina
$479 USD
-32%$327 USD
Verified about 6 hours ago
Good Availability
41% of dates checked are available within 10% of the lowest price

Monday, September 28th, 2026

No flight details available for this date.