Alaska Airlines Flights from Chicago to Portland

Lowest fares from Chicago to Portland

Apr 2026
From$223*
Seen: 10 hours ago
Flight Type One Way|Saver
May 2026
From$136*
Seen: 10 hours ago
Flight Type One Way|Saver
Jun 2026
From$153*
Seen: 10 hours ago
Flight Type One Way|Saver
$136
$384
Displaying fares for April-2026
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    • Range$136-$384

    *Displayed prices have been available within the past 24 hours and may not be available at the time of booking. Fares listed may be Saver fares, which is our most restrictive fare option and subject to additional restrictions. For roundtrip journeys, the price displayed—available within the past 24 hours—is the aggregate of the lowest available fare each way. Additional baggage charges and fees for optional products and services may apply. Other terms and conditions may apply.

    One-way low-fare flights Chicago to Portland.*

    $
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    One-way low-fare flights Chicago to Portland.*
    From
    To
    Fare Type
    Dates
    Price
    Chicago (ORD)Portland (PDX)One-way
    |
    Saver    		Depart: May 6, 2026

    From

    $146

    Seen: 1 hour ago

    Chicago (ORD)Portland (PDX)One-way
    |
    Saver    		Depart: May 5, 2026

    From

    $136

    Seen: 10 hours ago

    Chicago (ORD)Portland (PDX)One-way
    |
    Saver    		Depart: Aug 5, 2026

    From

    $153

    Seen: 10 hours ago

    Chicago (ORD)Portland (PDX)One-way
    |
    Saver    		Depart: Aug 11, 2026

    From

    $153

    Seen: 10 hours ago

    Chicago (ORD)Portland (PDX)One-way
    |
    Saver    		Depart: Aug 18, 2026

    From

    $153

    Seen: 10 hours ago

    Chicago (ORD)Portland (PDX)One-way
    |
    Saver    		Depart: Aug 22, 2026

    From

    $153

    Seen: 10 hours ago

    Chicago (ORD)Portland (PDX)One-way
    |
    Saver    		Depart: Sep 12, 2026

    From

    $153

    Seen: 10 hours ago

    Chicago (ORD)Portland (PDX)One-way
    |
    Saver    		Depart: Sep 16, 2026

    From

    $153

    Seen: 10 hours ago

    *Displayed prices have been available within the past 24 hours and may not be available at the time of booking. Fares listed may be Saver fares, which is our most restrictive fare option and subject to additional restrictions. For roundtrip journeys, the price displayed—available within the past 24 hours—is the aggregate of the lowest available fare each way. Additional baggage charges and fees for optional products and services may apply. Other terms and conditions may apply.

    Looking for more? See other routes