IAD to EZE from $312 in economy – flightdeals.net

Home Premium Fare Deals About

Copa Airlines

CMCopa Airlines

One Way•Economy

Washington Dulles International Airport

Washington, United States

Ministro Pistarini International Airport

Buenos Aires, Argentina

$426 USD

-27%$312 USD

Verified 14 days ago

September 2026

Mon

Tue

Wed

Thu

Fri

Sat

Sun

31$312 1$312 2$471 3$471 4$406 5$360 6$335 7$406 8$335 9$312 10$312 11$312 12$335 13$335 14$312 15$312 16$312 17$312 18$312 19$335 20$335 21$312 22$312 23$335 24$312 25$312 26$360 27$335 28$312 29$312 30$335 1$312 2$383 3$360 4$335

Good Availability

53% of dates checked are available within 10% of the lowest price

Friday, September 4th, 2026

Outbound Flights

·

→

·

→

·

→