Porto (OPO) to Washington (IAD) flight deal from $415 USD in economy class – flightdeals.net

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Iberia Airlines

IBIberia Airlines

One Way•Economy

Francisco Sá Carneiro Airport

Porto, Portugal

Washington Dulles International Airport

Washington, United States

$588 USD

-29%$415 USD

Verified Apr 6, 2026 at 8:45 PM

April 2026

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30 31 1 2 3 4 5 6 7$1,733 8$823 9$1,072 10$1,249 11$1,066 12$1,006 13$823 14$823 15$823 16$1,006 17$1,006 18$1,066 19$1,006 20$823 21$823 22$823 23$1,006 24$823 25$823 26$1,006 27$823 28$823 29$823 30$1,006 1$823 2$823 3$823

Good Availability

41% of dates checked are available within 10% of the lowest price

Thursday, April 2nd, 2026

No flight details available for this date.