Flights from Washington, D.C. to Lisbon from USD 749

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Flights from Washington, D.C. to Lisbon

Discover the cheapest day and month to travel

Jul 2026
FromUSD 914*
Viewed 21 hours ago
Flight Type Round Trip|Economy
Aug 2026
FromUSD 960*
Viewed 17 hours ago
Flight Type Round Trip|Economy
Sep 2026
FromUSD 749*
Viewed 1 day ago
Flight Type Round Trip|Economy
cmp-daily-histogram-bars-legend-min-price-aria-label USD 914
cmp-daily-histogram-bars-legend-max-price-aria-label USD 1.6K
Displaying fares for July-2026
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    • RangeUSD 914-USD 1,565

    *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 Lisbon

    USD
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    Best Flight Deals from Washington, D.C. to Lisbon
    From
    To
    Fare Type
    Dates
    Price
    Washington, D.C. (IAD)Lisbon (LIS)Round trip
    |
    Economy    		16/09/2026 - 21/09/2026

    From

    USD 749

    Viewed 1 day ago

    Washington, D.C. (IAD)Lisbon (LIS)Round trip
    |
    Economy    		17/09/2026 - 25/09/2026

    From

    USD 754

    Viewed 1 day ago

    Washington, D.C. (IAD)Lisbon (LIS)Round trip
    |
    Economy    		10/10/2026 - 18/10/2026

    From

    USD 758

    Viewed 1 day ago

    Washington, D.C. (IAD)Lisbon (LIS)Round trip
    |
    Economy    		08/10/2026 - 22/10/2026

    From

    USD 755

    Viewed 18 hours ago

    Washington, D.C. (IAD)Lisbon (LIS)Round trip
    |
    Economy    		28/09/2026 - 07/10/2026

    From

    USD 755

    Viewed 18 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

    Lisbon (LIS)
    03/08/2026 - 12/08/2026

    Round trip

    Business

    From
    USD 5,180
    Viewed 1 day ago

    Washington, D.C. (IAD)to

    Lisbon (LIS)
    13/08/2026 - 20/08/2026

    Round trip

    Business

    From
    USD 5,180
    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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