Southwest® flights from Buffalo/Niagara Falls to Chicago-Midway from $139

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Low fares from Buffalo/Niagara Falls to Chicago-Midway

$

Buffalo/Niagara Falls (BUF)to

Chicago-Midway (MDW)
Depart: 11/04/2026

One-way

Basic

From
$139
Seen: 16 hrs ago

Buffalo/Niagara Falls (BUF)to

Chicago-Midway (MDW)
Depart: 10/24/2026

One-way

Basic

From
$139
Seen: 13 hrs ago

Buffalo/Niagara Falls (BUF)to

Chicago-Midway (MDW)
Depart: 09/30/2026

One-way

Basic

From
$139
Seen: 10 hrs ago

Buffalo/Niagara Falls (BUF)to

Chicago-Midway (MDW)
Depart: 11/26/2026

One-way

Basic

From
$139
Seen: 13 hrs ago

Buffalo/Niagara Falls (BUF)to

Chicago-Midway (MDW)
Depart: 12/10/2026

One-way

Basic

From
$139
Seen: 5 hrs ago

Buffalo/Niagara Falls (BUF)to

Chicago-Midway (MDW)
Depart: 10/03/2026

One-way

Basic

From
$139
Seen: 4 hrs ago

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Explore flights from Buffalo/Niagara Falls to Chicago-Midway

Sep 2026
From$139*
Seen: 10 hrs ago
One Way/Basic
Oct 2026
From$139*
Seen: 2 hrs ago
One Way/Basic
Nov 2026
From$139*
Seen: 8 hrs ago
One Way/Basic
cmp-daily-histogram-bars-legend-min-price-aria-label $139
cmp-daily-histogram-bars-legend-max-price-aria-label $356
Displaying fares for September-2026
  • BUF–MDW, 09/10/2026: From $278
    10

    Thu

    SEP

  • BUF–MDW, 09/11/2026: From $278
    11

    Fri

  • BUF–MDW: cmp-view-offers-disclaimer. Find Offers
    12

    Sat

  • BUF–MDW, 09/13/2026: From $278
    13

    Sun

  • BUF–MDW, 09/14/2026: From $278
    14

    Mon

  • BUF–MDW, 09/15/2026: From $246
    15

    Tue

  • BUF–MDW, 09/16/2026: From $246
    16

    Wed

  • BUF–MDW, 09/17/2026: From $278
    17

    Thu

  • BUF–MDW, 09/18/2026: From $356
    18

    Fri

  • BUF–MDW, 09/19/2026: From $246
    19

    Sat

  • BUF–MDW, 09/20/2026: From $278
    20

    Sun

  • BUF–MDW: cmp-view-offers-disclaimer. Find Offers
    21

    Mon

  • BUF–MDW, 09/22/2026: From $246
    22

    Tue

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

    Wed

  • BUF–MDW, 09/24/2026: From $251
    24

    Thu

  • BUF–MDW, 09/25/2026: From $251
    25

    Fri

  • BUF–MDW, 09/26/2026: From $246
    26

    Sat

  • BUF–MDW, 09/27/2026: From $251
    27

    Sun

  • BUF–MDW, 09/28/2026: From $266
    28

    Mon

  • BUF–MDW, 09/29/2026: From $246
    29

    Tue

  • BUF–MDW, 09/30/2026: From $139
    30

    Wed

  • BUF–MDW, 10/01/2026: From $139
    01

    Thu

    OCT

  • BUF–MDW, 10/02/2026: From $150
    02

    Fri

  • BUF–MDW, 10/03/2026: From $139
    03

    Sat

  • BUF–MDW, 10/04/2026: From $225
    04

    Sun

  • BUF–MDW, 10/05/2026: From $149
    05

    Mon

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

    Tue

  • BUF–MDW: cmp-view-offers-disclaimer. Find Offers
    07

    Wed

  • BUF–MDW, 10/08/2026: From $225
    08

    Thu

  • BUF–MDW, 10/09/2026: From $215
    09

    Fri

    • Range$139-$356

    *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:
    Buffalo Niagara International Airport
    Arriving at:
    Chicago Midway International Airport
    Average flight time:
    1 hour 39 minutes
    Distance:
    468 miles

    Route Information

    144† Weekly flights
    • 2‡ Nonstop flights per day Monday through Friday
    • 1‡ Nonstop flight on Saturday
    • 2‡ Nonstop flights on Sunday

    † 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 Buffalo/Niagara Falls to Chicago (Midway) is 1 hour 39 minutes.
    There are 144 weekly flights from Buffalo/Niagara Falls to Chicago (Midway) on Southwest Airlines.
    Yes, Southwest flies nonstop from Buffalo/Niagara Falls to Chicago (Midway) 2 times per day from Monday through Friday.
    Yes, Southwest flies nonstop from Buffalo/Niagara Falls to Chicago (Midway) once per day on Saturdays and 2 times per day on Sundays.
    To find the lowest fares by day and time to fly Buffalo/Niagara Falls 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 Buffalo/Niagara Falls 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.

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