DCA to OPO from $345 in economy – flightdeals.net

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Air Canada

Lufthansa

Swiss International Air Lines

LXSwiss International Air Lines

Austrian Airlines

OSAustrian Airlines

United Airlines

UAUnited Airlines

One Way•Economy

Ronald Reagan Washington National Airport

Washington, United States

Francisco Sá Carneiro Airport

Porto, Portugal

$472 USD

-27%$345 USD

Verified about 12 hours ago

June 2026

Mon

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Sun

1 2 3 4$943 5$915 6$886 7$849 8$849 9$873 10$849 11$943 12$915 13$943 14$873 15$849 16$873 17$849 18$943 19$915 20$943 21$849 22$849 23$873 24$849 25$943 26$915 27$943 28$849 29$849 30$873 1$849 2$614 3$526 4$523 5$568

Fair Availability

34% of dates checked are available within 10% of the lowest price

Wednesday, June 3rd, 2026

No flight details available for this date.