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

Home Premium Fare Deals About

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

$481 USD

-28%$345 USD

Verified 17 days ago

July 2026

Mon

Tue

Wed

Thu

Fri

Sat

Sun

29 30 1 2 3 4 5$700 6$700 7$700 8$684 9$760 10$741 11$760 12$684 13$684 14$700 15$700 16$760 17$760 18$713 19$700 20$700 21$684 22$684 23$760 24$741 25$741 26$700 27$684 28$684 29$684 30$760 31$760 1$523 2$463

Fair Availability

32% of dates checked are available within 10% of the lowest price

Thursday, July 2nd, 2026

No flight details available for this date.