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

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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

July 2026

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29 30 1 2 3 4 5$406 6$406 7$406 8$335 9$335 10$335 11$335 12$446 13$1,056 14$1,056 15$335 16$458 17$415 18$438 19$471 20$415 21$383 22$312 23$433 24$471 25$677 26$677 27$641 28$471 29$545 30$1,056 31$1,056 1$1,056 2$812

Good Availability

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

Tuesday, July 21st, 2026

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