Flights from Green Bay to Portland, OR from $ 369*

Promotion Code

Changed bag rules and optional services         Cruise Packages

Featured daily fares for flights from Green Bay (GRB) to Portland, OR (PDX)

Try alternate month or interact with individual days below in order to find offers.
Mar 2026
No result for this month
Apr 2026
From$ 369*
Viewed: 21 hours ago
RoundTrip|Economy
May 2026
No result for this month
$ 369
Displaying fares for March-2026
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    • Range$ 369

    *Prices have been available for round trips within the last 48 hours and may not be currently available. For Economy class, fares listed may be Basic Economy, which is our most restrictive fare option and subject to additional restrictions. Additional baggage charges and fees for other optional service may apply. Other terms and conditions may apply. Schedules are subject to change without notice.

    More United deals on Green Bay (GRB) to Portland, OR (PDX) flights

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    More United deals on Green Bay (GRB) to Portland, OR (PDX) flights
    From
    To
    Fare Type
    Dates
    Price
    Green Bay (GRB)Portland, OR (PDX)Roundtrip
    |
    Economy    		04/16/26 - 04/20/26

    from

    $ 369

    Viewed: 21 hours ago

    Green Bay (GRB)Portland, OR (PDX)Roundtrip
    |
    Economy    		06/19/26 - 06/23/26

    from

    $ 439

    Viewed: 15 hours ago

    Green Bay (GRB)Portland, OR (PDX)Roundtrip
    |
    Economy    		04/16/26 - 04/20/26

    from

    $ 631

    Viewed: 21 hours ago

    Green Bay (GRB)Portland, OR (PDX)Roundtrip
    |
    Economy    		04/16/26 - 04/20/26

    from

    $ 646

    Viewed: 21 hours ago

    Green Bay (GRB)Portland, OR (PDX)Roundtrip
    |
    Economy    		06/19/26 - 06/23/26

    from

    $ 742

    Viewed: 15 hours ago

    Green Bay (GRB)Portland, OR (PDX)Roundtrip
    |
    Economy    		06/19/26 - 06/23/26

    from

    $ 934

    Viewed: 15 hours ago

    *Prices have been available for round trips within the last 48 hours and may not be currently available. For Economy class, fares listed may be Basic Economy, which is our most restrictive fare option and subject to additional restrictions. Additional baggage charges and fees for other optional service may apply. Other terms and conditions may apply. Schedules are subject to change without notice.

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