Cheap Flights from Washington Dulles International Airport to Porto (OPO) Find and Compare the Best Airline Deals | Skyticket

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2025/9
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2025/9
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Total Fares（Round-Trip/Economy）: USD /Per Person

* Displayed fare(s) may differ from the actual search result

Washington Dulles－Porto Airport
September Lowest Airfares
USD713

The airfare displayed above is for Delta Air Lines

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Washington Dulles－Porto Airport
October Lowest Airfares
USD602

The airfare displayed above is for TAP Portugal

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Washington Dulles－Porto Airport
November Lowest Airfares -----
Washington Dulles－Porto Airport
December Lowest Airfares
USD683

The airfare displayed above is for United Airlines

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Washington Dulles－Porto Airport
January Lowest Airfares
USD867

The airfare displayed above is for Delta Air Lines

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Washington D.C－Porto
Estimated Flight Time
9 Hours 03 Minutes
Washington D.C－Porto
Number of Operating Airlines
4

Operating Airlines for Washington Dulles－Porto Airport Route
British Airways

Klm Royal Dutch Airlines

Lufthansa

Turkish Airlines

Other Destinations from:Washington D.C

Washington Dulles－Lisbon(Portela)
USD487〜
* Fares vary in accordance to seat availability
Other Departures to: Porto

Dallas/Fort Worth Airport－Porto(OPO)
USD1,189〜
O'Hare Airport－Porto(OPO)
USD594〜
Hartsfield-Jackson Atlanta Airport－Porto(OPO)
USD712〜
Ronald Reagan Washington National Airport－Porto(OPO)
USD626〜
* Fares vary in accordance to seat availability