Flights from Washington, D.C. to Porto from USD 796

Promo Code

Flights from Washington, D.C. to Porto

Try alternate month or interact with individual days below in order to find offers.
May 2026
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Jun 2026
FromUSD 1,138*
Viewed 1 day ago
Flight Type Round Trip|Economy
Jul 2026
FromUSD 911*
Viewed 12 hours ago
Flight Type Round Trip|Economy
cmp-daily-histogram-bars-legend-min-price-aria-label USD 1.1K
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    • RangeUSD 1,138-USD 1,263

    *The fares shown have been updated in the last 48 hours and may no longer be available at the time of booking. Additional fees and charges may apply for optional products and services.

    Best Flight Deals from Washington, D.C. to Porto

    USD
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    Best Flight Deals from Washington, D.C. to Porto
    From
    To
    Fare Type
    Dates
    Price
    Washington, D.C. (IAD)Porto (OPO)Round trip
    |
    Economy    		13/08/2026 - 27/08/2026

    From

    USD 796

    Viewed 12 hours ago

    Washington, D.C. (IAD)Porto (OPO)Round trip
    |
    Economy    		07/10/2026 - 13/10/2026

    From

    USD 821

    Viewed 5 hours ago

    Washington, D.C. (IAD)Porto (OPO)Round trip
    |
    Economy    		27/08/2026 - 09/09/2026

    From

    USD 827

    Viewed 1 day ago

    Washington, D.C. (IAD)Porto (OPO)Round trip
    |
    Economy    		15/10/2026 - 29/10/2026

    From

    USD 841

    Viewed 1 day ago

    Washington, D.C. (IAD)Porto (OPO)Round trip
    |
    Economy    		24/10/2026 - 30/10/2026

    From

    USD 841

    Viewed 1 day ago

    *The fares shown have been updated in the last 48 hours and may no longer be available at the time of booking. Additional fees and charges may apply for optional products and services.

    Business Flights Deals

    USD

    Washington, D.C. (IAD)to

    Porto (OPO)
    28/07/2026 - 11/08/2026

    Round trip

    Business

    From
    USD 5,395
    Viewed 6 hours ago

    Washington, D.C. (IAD)to

    Porto (OPO)
    05/08/2026 - 11/08/2026

    Round trip

    Business

    From
    USD 5,046
    Viewed 1 day ago

    *The fares shown have been updated in the last 48 hours and may no longer be available at the time of booking. Additional fees and charges may apply for optional products and services.

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