Southwest® flights from Chicago-Midway to Seattle/Tacoma from $147

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Low fares from Chicago-Midway to Seattle/Tacoma

$

Chicago-Midway (MDW)to

Seattle/Tacoma (SEA)
Depart: 12/20/2026

One-way

Basic

From
$147
Seen: 19 hrs ago

Chicago-Midway (MDW)to

Seattle/Tacoma (SEA)
Depart: 12/21/2026

One-way

Basic

From
$147
Seen: 22 hrs ago

Chicago-Midway (MDW)to

Seattle/Tacoma (SEA)
Depart: 12/04/2026

One-way

Basic

From
$147
Seen: 22 hrs ago

Chicago-Midway (MDW)to

Seattle/Tacoma (SEA)
Depart: 11/13/2026

One-way

Basic

From
$147
Seen: 12 hrs ago

Chicago-Midway (MDW)to

Seattle/Tacoma (SEA)
Depart: 11/23/2026

One-way

Basic

From
$147
Seen: 7 hrs ago

Chicago-Midway (MDW)to

Seattle/Tacoma (SEA)
Depart: 01/17/2027

One-way

Basic

From
$147
Seen: 6 hrs ago

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Explore flights from Chicago-Midway to Seattle/Tacoma

Oct 2026
From$264*
Seen: 14 hrs ago
One Way/Basic
Nov 2026
From$147*
Seen: 16 hrs ago
One Way/Basic
Dec 2026
From$147*
Seen: 23 hrs ago
One Way/Basic
cmp-daily-histogram-bars-legend-min-price-aria-label $147
cmp-daily-histogram-bars-legend-max-price-aria-label $289
Displaying fares for October-2026
  • MDW–SEA, 10/22/2026: From $289
    22

    Thu

    OCT

  • MDW–SEA, 10/23/2026: From $289
    23

    Fri

  • MDW–SEA, 10/24/2026: From $289
    24

    Sat

  • MDW–SEA, 10/25/2026: From $264
    25

    Sun

  • MDW–SEA, 10/26/2026: From $264
    26

    Mon

  • MDW–SEA, 10/27/2026: From $264
    27

    Tue

  • MDW–SEA, 10/28/2026: From $264
    28

    Wed

  • MDW–SEA, 10/29/2026: From $264
    29

    Thu

  • MDW–SEA, 10/30/2026: From $264
    30

    Fri

  • MDW–SEA, 10/31/2026: From $274
    31

    Sat

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

    Sun

    NOV

  • MDW–SEA, 11/02/2026: From $264
    02

    Mon

  • MDW–SEA, 11/03/2026: From $289
    03

    Tue

  • MDW–SEA, 11/04/2026: From $289
    04

    Wed

  • MDW–SEA, 11/05/2026: From $264
    05

    Thu

  • MDW–SEA, 11/06/2026: From $264
    06

    Fri

  • MDW–SEA, 11/07/2026: From $264
    07

    Sat

  • MDW–SEA, 11/08/2026: From $264
    08

    Sun

  • MDW–SEA, 11/09/2026: From $147
    09

    Mon

  • MDW–SEA, 11/10/2026: From $147
    10

    Tue

  • MDW–SEA, 11/11/2026: From $147
    11

    Wed

  • MDW–SEA, 11/12/2026: From $147
    12

    Thu

  • MDW–SEA, 11/13/2026: From $147
    13

    Fri

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

    Sat

  • MDW–SEA, 11/15/2026: From $228
    15

    Sun

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

    Mon

  • MDW–SEA, 11/17/2026: From $147
    17

    Tue

  • MDW–SEA, 11/18/2026: From $147
    18

    Wed

  • MDW–SEA, 11/19/2026: From $239
    19

    Thu

  • MDW–SEA, 11/20/2026: From $239
    20

    Fri

  • MDW–SEA, 11/21/2026: From $189
    21

    Sat

    • Range$147-$289

    *Fares displayed have been collected within the last 24 hours and may no longer be available at time of booking. Additional fees and charges for optional products and services may apply. Modifying this information may result in a different fare. To find the most updated fare, please visit Southwest.com. Fares listed are Basic, which are subject to additional terms and conditions.

    Flight Details

    Departing from:
    Chicago Midway International Airport
    Arriving at:
    Seattle/Tacoma International Airport
    Average flight time:
    4 hours 34 minutes
    Distance:
    1733 miles

    Questions we hear the most

    The average flight time from Chicago (Midway) to Seattle/Tacoma is 4 hours 34 minutes.
    There are 148 weekly flights from Chicago (Midway) to Seattle/Tacoma on Southwest Airlines.
    Yes, Southwest flies nonstop from Chicago (Midway) to Seattle/Tacoma once per day from Monday through Friday.
    Yes, Southwest flies nonstop from Chicago (Midway) to Seattle/Tacoma once per day on Saturdays and Sundays.
    To find the lowest fares by day and time to fly Chicago (Midway) to Seattle/Tacoma with Southwest, check out our Low Fare Calendar.
    You can rent a car at Seattle/Tacoma International Airport book yours with your flight.
    Yes! Flights from Chicago (Midway) to Seattle/Tacoma—or from here or there to anywhere—can be changed with no change fees. Fare difference may apply.
    Check the status of your upcoming Southwest flight.
    Check out the Southwest Airlines® Help Center for answers about everything Southwest.

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