Flights from Washington, D.C. to Porto from USD 764

Promo Code

Flights from Washington, D.C. to Porto

Discover the cheapest day and month to travel

Jun 2026
FromUSD 1,145*
Viewed 16 hours ago
Flight Type Round Trip|Economy
Jul 2026
FromUSD 898*
Viewed 9 hours ago
Flight Type Round Trip|Economy
Aug 2026
Try another month to see offers
cmp-daily-histogram-bars-legend-min-price-aria-label USD 1.1K
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    • RangeUSD 1,069-USD 1,528

    *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    		19/11/2026 - 30/11/2026

    From

    USD 764

    Viewed 7 hours ago

    Washington, D.C. (IAD)Porto (OPO)Round trip
    |
    Economy    		26/11/2026 - 05/12/2026

    From

    USD 784

    Viewed 12 hours ago

    Washington, D.C. (IAD)Porto (OPO)Round trip
    |
    Economy    		06/10/2026 - 18/10/2026

    From

    USD 839

    Viewed 12 hours ago

    Washington, D.C. (IAD)Porto (OPO)Round trip
    |
    Economy    		14/10/2026 - 31/10/2026

    From

    USD 839

    Viewed 12 hours ago

    Washington, D.C. (IAD)Porto (OPO)Round trip
    |
    Economy    		09/10/2026 - 18/10/2026

    From

    USD 859

    Viewed 16 hours 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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    Business Flights Deals

    USD

    Washington, D.C. (IAD)to

    Porto (OPO)
    16/07/2026 - 30/07/2026

    Round trip

    Business

    From
    USD 5,393
    Viewed 1 day ago

    Washington, D.C. (IAD)to

    Porto (OPO)
    20/07/2026 - 12/08/2026

    Round trip

    Business

    From
    USD 5,394
    Viewed 9 hours 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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