Flights from Chicago to Porto from USD 826

Promo Code

Flights from Chicago to Porto

Try alternate month or interact with individual days below in order to find offers.
Apr 2026
Try another month to see offers
May 2026
FromUSD 1,074*
Viewed 1 day ago
Flight Type Round Trip|Economy
Jun 2026
FromUSD 1,478*
Viewed 1 day ago
Flight Type Round Trip|Economy
USD 1.1K
Displaying fares for April-2026
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    • RangeUSD 1,074-USD 1,659

    *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 Chicago to Porto

    USD
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    Best Flight Deals from Chicago to Porto
    From
    To
    Fare Type
    Dates
    Price
    Chicago (ORD)Porto (OPO)Round trip
    |
    Economy    		10/09/2026 - 20/09/2026

    From

    USD 966

    Viewed 1 hour ago

    Chicago (ORD)Porto (OPO)Round trip
    |
    Economy    		15/10/2026 - 23/10/2026

    From

    USD 826

    Viewed 1 day ago

    Chicago (ORD)Porto (OPO)Round trip
    |
    Economy    		27/06/2026 - 04/07/2026

    From

    USD 1,478

    Viewed 1 day ago

    Chicago (ORD)Porto (OPO)Round trip
    |
    Economy    		11/12/2026 - 09/01/2027

    From

    USD 831

    Viewed 19 hours ago

    Chicago (ORD)Porto (OPO)Round trip
    |
    Economy    		26/03/2027 - 13/04/2027

    From

    USD 1,069

    Viewed 17 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.

    Business Flights Deals

    USD

    Chicago (ORD)to

    Porto (OPO)
    27/06/2026 - 05/07/2026

    Round trip

    Business

    From
    USD 5,583
    Viewed 1 day ago

    Chicago (ORD)to

    Porto (OPO)
    27/06/2026 - 04/07/2026

    Round trip

    Business

    From
    USD 5,600
    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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