Alaska Airlines Flights from Chicago to Portland

Lowest fares from Chicago to Portland

Aug 2026
From$208*
Seen: 22 hours ago
Flight Type One Way|Saver
Sep 2026
From$179*
Seen: 22 hours ago
Flight Type One Way|Saver
Oct 2026
From$179*
Seen: 22 hours ago
Flight Type One Way|Saver
cmp-daily-histogram-bars-legend-min-price-aria-label $179
cmp-daily-histogram-bars-legend-max-price-aria-label $489
Displaying fares for August-2026
  • ORD–PDX, Aug 8, 2026: From $489
    08

    Sa

    AUG

  • ORD–PDX, Aug 9, 2026: From $242
    09

    Su

  • ORD–PDX, Aug 10, 2026: From $242
    10

    Mo

  • ORD–PDX, Aug 11, 2026: From $219
    11

    Tu

  • ORD–PDX, Aug 12, 2026: From $219
    12

    We

  • ORD–PDX, Aug 13, 2026: From $242
    13

    Th

  • ORD–PDX, Aug 14, 2026: From $242
    14

    Fr

  • ORD–PDX, Aug 15, 2026: From $219
    15

    Sa

  • ORD–PDX, Aug 16, 2026: From $242
    16

    Su

  • ORD–PDX, Aug 17, 2026: From $242
    17

    Mo

  • ORD–PDX, Aug 18, 2026: From $219
    18

    Tu

  • ORD–PDX, Aug 19, 2026: From $219
    19

    We

  • ORD–PDX, Aug 20, 2026: From $242
    20

    Th

  • ORD–PDX, Aug 21, 2026: From $252
    21

    Fr

  • ORD–PDX, Aug 22, 2026: From $229
    22

    Sa

  • ORD–PDX, Aug 23, 2026: From $252
    23

    Su

  • ORD–PDX, Aug 24, 2026: From $252
    24

    Mo

  • ORD–PDX, Aug 25, 2026: From $219
    25

    Tu

  • ORD–PDX, Aug 26, 2026: From $219
    26

    We

  • ORD–PDX, Aug 27, 2026: From $208
    27

    Th

  • ORD–PDX, Aug 28, 2026: From $219
    28

    Fr

  • ORD–PDX, Aug 29, 2026: From $208
    29

    Sa

  • ORD–PDX, Aug 30, 2026: From $229
    30

    Su

  • ORD–PDX, Aug 31, 2026: From $208
    31

    Mo

  • ORD–PDX, Sep 1, 2026: From $179
    01

    Tu

    SEP

  • ORD–PDX, Sep 2, 2026: From $198
    02

    We

  • ORD–PDX, Sep 3, 2026: From $198
    03

    Th

  • ORD–PDX, Sep 4, 2026: From $219
    04

    Fr

  • ORD–PDX, Sep 5, 2026: From $179
    05

    Sa

  • ORD–PDX, Sep 6, 2026: From $189
    06

    Su

  • ORD–PDX, Sep 7, 2026: From $394
    07

    Mo

    • Range$179-$489

    *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: Oct 30, 2026

    From

    $179

    Seen: 22 hours ago

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

    From

    $179

    Seen: 22 hours ago

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

    From

    $179

    Seen: 22 hours ago

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

    From

    $179

    Seen: 15 hours ago

    Chicago (ORD)Portland (PDX)One-way
    |
    Saver    		Depart: Oct 21, 2026

    From

    $179

    Seen: 5 hours ago

    Chicago (ORD)Portland (PDX)One-way
    |
    Saver    		Depart: Sep 1, 2026

    From

    $179

    Seen: 11 hours ago

    Chicago (ORD)Portland (PDX)One-way
    |
    Saver    		Depart: Sep 19, 2026

    From

    $179

    Seen: 5 hours ago

    Chicago (ORD)Portland (PDX)One-way
    |
    Saver    		Depart: Oct 3, 2026

    From

    $179

    Seen: 15 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.

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