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Washington D.C
Washington Dulles International Airport

Porto
Porto Airport

　Porto Airport Washington Dulles　

Prices vary with departure date. Click on the calendar to select a departure date.

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2025/12
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2025/12
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Total Fares（Round-Trip/Economy）

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

  • Washington Dulles－Porto Airport

    December Lowest Airfares

    USD691


    The airfare displayed above is for United Airlines


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  • Washington Dulles－Porto Airport

    January Lowest Airfares

    USD877


    The airfare displayed above is for Delta Air Lines


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  • Washington Dulles－Porto Airport

    February Lowest Airfares -----

  • Washington Dulles－Porto Airport

    March Lowest Airfares

    USD1,372


    The airfare displayed above is for Klm Royal Dutch Airlines


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  • Washington Dulles－Porto Airport

    April Lowest Airfares -----

  • Washington D.C－Porto
    Estimated Flight Time

    9 Hours 03 Minutes

  • Washington D.C－Porto
    Number of Operating Airlines

    4
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