Southwest® flights from Chicago-Midway to Seattle/Tacoma from $155

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Low fares from Chicago-Midway to Seattle/Tacoma

$

Chicago-Midway (MDW)to

Seattle/Tacoma (SEA)
Depart: 12/16/2026

One-way

Basic

From
$155
Seen: 7 hrs ago

Chicago-Midway (MDW)to

Seattle/Tacoma (SEA)
Depart: 01/12/2027

One-way

Basic

From
$155
Seen: 18 hrs ago

Chicago-Midway (MDW)to

Seattle/Tacoma (SEA)
Depart: 12/09/2026

One-way

Basic

From
$155
Seen: 12 hrs ago

Chicago-Midway (MDW)to

Seattle/Tacoma (SEA)
Depart: 12/08/2026

One-way

Basic

From
$155
Seen: 16 hrs ago

Chicago-Midway (MDW)to

Seattle/Tacoma (SEA)
Depart: 01/13/2027

One-way

Basic

From
$155
Seen: 15 hrs ago

Chicago-Midway (MDW)to

Seattle/Tacoma (SEA)
Depart: 02/17/2027

One-way

Basic

From
$155
Seen: 12 hrs ago

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Explore flights from Chicago-Midway to Seattle/Tacoma

Nov 2026
From$269*
Seen: 14 hrs ago
One Way/Basic
Dec 2026
From$155*
Seen: 12 hrs ago
One Way/Basic
Jan 2027
From$155*
Seen: 15 hrs ago
One Way/Basic
cmp-daily-histogram-bars-legend-min-price-aria-label $155
cmp-daily-histogram-bars-legend-max-price-aria-label $459
Displaying fares for November-2026
  • MDW–SEA, 11/12/2026: From $269
    12

    Thu

    NOV

  • MDW–SEA, 11/13/2026: From $269
    13

    Fri

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

    Sat

  • MDW–SEA, 11/15/2026: From $269
    15

    Sun

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

    Mon

  • MDW–SEA, 11/17/2026: From $269
    17

    Tue

  • MDW–SEA, 11/18/2026: From $269
    18

    Wed

  • MDW–SEA, 11/19/2026: From $269
    19

    Thu

  • MDW–SEA, 11/20/2026: From $269
    20

    Fri

  • MDW–SEA, 11/21/2026: From $269
    21

    Sat

  • MDW–SEA, 11/22/2026: From $269
    22

    Sun

  • MDW–SEA, 11/23/2026: From $269
    23

    Mon

  • MDW–SEA, 11/24/2026: From $269
    24

    Tue

  • MDW–SEA, 11/25/2026: From $269
    25

    Wed

  • MDW–SEA: cmp-view-offers-disclaimer. Find Offers
    26

    Thu

  • MDW–SEA: cmp-view-offers-disclaimer. Find Offers
    27

    Fri

  • MDW–SEA, 11/28/2026: From $375
    28

    Sat

  • MDW–SEA, 11/29/2026: From $459
    29

    Sun

  • MDW–SEA, 11/30/2026: From $370
    30

    Mon

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

    Tue

    DEC

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

    Wed

  • MDW–SEA: cmp-view-offers-disclaimer. Find Offers
    03

    Thu

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

    Fri

  • MDW–SEA, 12/05/2026: From $165
    05

    Sat

  • MDW–SEA: cmp-view-offers-disclaimer. Find Offers
    06

    Sun

  • MDW–SEA, 12/07/2026: From $175
    07

    Mon

  • MDW–SEA, 12/08/2026: From $155
    08

    Tue

  • MDW–SEA, 12/09/2026: From $155
    09

    Wed

  • MDW–SEA, 12/10/2026: From $175
    10

    Thu

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

    Fri

    • Range$155-$459

    *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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