Flights from Chicago, IL to Seattle, WA

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Best Deals on Flights From Chicago, IL (ORD) to Seattle, WA (SEA)

Sep 2026
from$183*
Last seen: 23 hours ago
One-way/Economy
Oct 2026
from$115*
Last seen: 2 hours ago
One-way/Economy
Nov 2026
from$163*
Last seen: 9 hours ago
One-way/Economy
cmp-daily-histogram-bars-legend-min-price-aria-label $115
cmp-daily-histogram-bars-legend-max-price-aria-label $193
Displaying fares for September-2026
  • ORD–SEA: cmp-view-offers-disclaimer. Find Offers
    23

    Wed

    SEP

  • ORD–SEA: cmp-view-offers-disclaimer. Find Offers
    24

    Thu

  • ORD–SEA, Sep 25, 2026: from $189
    25

    Fri

  • ORD–SEA, Sep 26, 2026: from $189
    26

    Sat

  • ORD–SEA, Sep 27, 2026: from $183
    27

    Sun

  • ORD–SEA, Sep 28, 2026: from $183
    28

    Mon

  • ORD–SEA: cmp-view-offers-disclaimer. Find Offers
    29

    Tue

  • ORD–SEA: cmp-view-offers-disclaimer. Find Offers
    30

    Wed

  • ORD–SEA: cmp-view-offers-disclaimer. Find Offers
    01

    Thu

    OCT

  • ORD–SEA: cmp-view-offers-disclaimer. Find Offers
    02

    Fri

  • ORD–SEA, Oct 3, 2026: from $189
    03

    Sat

  • ORD–SEA: cmp-view-offers-disclaimer. Find Offers
    04

    Sun

  • ORD–SEA, Oct 5, 2026: from $189
    05

    Mon

  • ORD–SEA, Oct 6, 2026: from $189
    06

    Tue

  • ORD–SEA, Oct 7, 2026: from $189
    07

    Wed

  • ORD–SEA: cmp-view-offers-disclaimer. Find Offers
    08

    Thu

  • ORD–SEA: cmp-view-offers-disclaimer. Find Offers
    09

    Fri

  • ORD–SEA: cmp-view-offers-disclaimer. Find Offers
    10

    Sat

  • ORD–SEA: cmp-view-offers-disclaimer. Find Offers
    11

    Sun

  • ORD–SEA: cmp-view-offers-disclaimer. Find Offers
    12

    Mon

  • ORD–SEA: cmp-view-offers-disclaimer. Find Offers
    13

    Tue

  • ORD–SEA: cmp-view-offers-disclaimer. Find Offers
    14

    Wed

  • ORD–SEA, Oct 15, 2026: from $193
    15

    Thu

  • ORD–SEA: cmp-view-offers-disclaimer. Find Offers
    16

    Fri

  • ORD–SEA: cmp-view-offers-disclaimer. Find Offers
    17

    Sat

  • ORD–SEA: cmp-view-offers-disclaimer. Find Offers
    18

    Sun

  • ORD–SEA: cmp-view-offers-disclaimer. Find Offers
    19

    Mon

  • ORD–SEA: cmp-view-offers-disclaimer. Find Offers
    20

    Tue

  • ORD–SEA, Oct 21, 2026: from $115
    21

    Wed

  • ORD–SEA: cmp-view-offers-disclaimer. Find Offers
    22

    Thu

    • Range$115-$193

    *Prices found by others in the previous 48 hours for round-trip flights. Prices shown may also require membership in our travel club, Discount Den.

    Flights Deals from Chicago, IL to Seattle, WA on Frontier

    $
    Flights Deals from Chicago, IL to Seattle, WA on Frontier
    From
    To
    Chicago, IL (ORD)Seattle, WA (SEA)One-way
    /
    Discount Den Basic Fare    		Departing Feb 21, 2027

    From

    $228

    Last seen: 7 hours ago

    *Prices found by others in the previous 48 hours for one-way flights. Prices shown may also require membership in our travel club, Discount Den®.

    Chicago, IL Seattle, WA

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