Washington (IAD) to Buenos Aires (EZE) flight deal in economy from $556

Copa AirlinesCMCopa Airlines
Round Trip•Economy
United StatesIAD

Washington Dulles International Airport

Washington, United States
ArgentinaEZE

Ministro Pistarini International Airport

Buenos Aires, Argentina
$1,029 USD
-46%$556 USD
Verified about 6 hours ago
Extremely Rare Availability
3% of dates checked are available within 10% of the lowest price

Monday, September 28th, 2026

0 round-trip options

No flight details available for this date.