IAD to OPO from $350 in economy – flightdeals.net

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Iberia Airlines

IBIberia Airlines

One Way•Economy

Washington Dulles International Airport

Washington, United States

Francisco Sá Carneiro Airport

Porto, Portugal

$633 USD

-45%$350 USD

Verified 1 day ago

June 2026

Mon

Tue

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Sun

1 2 3 4 5 6 7 8 9 10 11 12$947 13$947 14$877 15$877 16$877 17$877 18$1,487 19$1,793 20$947 21$877 22$877 23$877 24$877 25$947 26$947 27$947 28$877 29$877 30$877 1$877 2$947 3$947 4$764 5$704

Fair Availability

21% of dates checked are available within 10% of the lowest price

Thursday, June 4th, 2026

No flight details available for this date.