Southwest® flights from Boise to Chicago-Midway from $175

Promo Code

Low fares from Boise to Chicago-Midway

$

Boise (BOI)to

Chicago-Midway (MDW)
Depart: 10/26/2026

One-way

Basic

From
$175
Seen: 16 hrs ago

Boise (BOI)to

Chicago-Midway (MDW)
Depart: 10/20/2026

One-way

Basic

From
$175
Seen: 5 hrs ago

Boise (BOI)to

Chicago-Midway (MDW)
Depart: 11/18/2026

One-way

Basic

From
$175
Seen: 7 hrs ago

Boise (BOI)to

Chicago-Midway (MDW)
Depart: 10/07/2026

One-way

Basic

From
$175
Seen: 2 hrs ago

Boise (BOI)to

Chicago-Midway (MDW)
Depart: 11/11/2026

One-way

Basic

From
$175
Seen: 6 hrs ago

Boise (BOI)to

Chicago-Midway (MDW)
Depart: 10/10/2026

One-way

Basic

From
$180
Seen: 14 hrs ago

Looking for more low-fare flights?

Check out the Low Fare Calendar to find a fare that works for you. Just choose the month you want to depart and return, and we’ll show you the best fares available.

Find low fares

Explore flights from Boise to Chicago-Midway

Sep 2026
From$180*
Seen: 54 minutes ago
One Way/Basic
Oct 2026
From$175*
Seen: 2 hrs ago
One Way/Basic
Nov 2026
From$175*
Seen: 6 hrs ago
One Way/Basic
cmp-daily-histogram-bars-legend-min-price-aria-label $175
cmp-daily-histogram-bars-legend-max-price-aria-label $279
Displaying fares for September-2026
  • BOI–MDW, 09/10/2026: From $269
    10

    Thu

    SEP

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

    Fri

  • BOI–MDW, 09/12/2026: From $237
    12

    Sat

  • BOI–MDW, 09/13/2026: From $279
    13

    Sun

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

    Mon

  • BOI–MDW, 09/15/2026: From $237
    15

    Tue

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

    Wed

  • BOI–MDW: cmp-view-offers-disclaimer. Find Offers
    17

    Thu

  • BOI–MDW: cmp-view-offers-disclaimer. Find Offers
    18

    Fri

  • BOI–MDW: cmp-view-offers-disclaimer. Find Offers
    19

    Sat

  • BOI–MDW, 09/20/2026: From $279
    20

    Sun

  • BOI–MDW, 09/21/2026: From $279
    21

    Mon

  • BOI–MDW: cmp-view-offers-disclaimer. Find Offers
    22

    Tue

  • BOI–MDW: cmp-view-offers-disclaimer. Find Offers
    23

    Wed

  • BOI–MDW, 09/24/2026: From $265
    24

    Thu

  • BOI–MDW: cmp-view-offers-disclaimer. Find Offers
    25

    Fri

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

    Sat

  • BOI–MDW, 09/27/2026: From $275
    27

    Sun

  • BOI–MDW: cmp-view-offers-disclaimer. Find Offers
    28

    Mon

  • BOI–MDW: cmp-view-offers-disclaimer. Find Offers
    29

    Tue

  • BOI–MDW, 09/30/2026: From $180
    30

    Wed

  • BOI–MDW, 10/01/2026: From $206
    01

    Thu

    OCT

  • BOI–MDW, 10/02/2026: From $186
    02

    Fri

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

    Sat

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

    Sun

  • BOI–MDW: cmp-view-offers-disclaimer. Find Offers
    05

    Mon

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

    Tue

  • BOI–MDW, 10/07/2026: From $175
    07

    Wed

  • BOI–MDW, 10/08/2026: From $245
    08

    Thu

  • BOI–MDW, 10/09/2026: From $231
    09

    Fri

    • Range$175-$279

    *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:
    Boise Airport
    Arriving at:
    Chicago Midway International Airport
    Average flight time:
    3 hours 20 minutes
    Distance:
    1448 miles

    Route Information

    134† Weekly flights
    • 1‡ Nonstop flight per day Monday through Friday

    † Weekly flights based on DOT published scheduled average flights Monday through Sunday between 9/1/2025 and 9/30/2025. Note: route may not operate every day of the week.

    ‡ Nonstop flights based on DOT published scheduled average flights Monday through Sunday between 9/1/2025 and 9/30/2025.

    Questions we hear the most

    The average flight time from Boise to Chicago (Midway) is 3 hours 20 minutes.
    There are 134 weekly flights from Boise to Chicago (Midway) on Southwest Airlines.
    Yes, Southwest flies nonstop from Boise to Chicago (Midway) once per day from Monday through Friday.
    To find the lowest fares by day and time to fly Boise to Chicago (Midway) with Southwest, check out our Low Fare Calendar.
    You can rent a car at Chicago Midway International Airport book yours with your flight.
    Yes! Flights from Boise to Chicago (Midway)—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.

    Explore Flights from Other Popular Origins

    Popular Flights from Boise