Southwest® flights from Buffalo/Niagara Falls to Chicago (Midway) from $109

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Low fares from Buffalo/Niagara Falls to Chicago (Midway)

$

Buffalo/Niagara Falls (BUF)to

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

One-way

Basic

From
$109
Seen: 20 hrs ago

Buffalo/Niagara Falls (BUF)to

Chicago (Midway) (MDW)
Depart: 09/16/2026

One-way

Basic

From
$109
Seen: 11 hrs ago

Buffalo/Niagara Falls (BUF)to

Chicago (Midway) (MDW)
Depart: 09/22/2026

One-way

Basic

From
$109
Seen: 12 hrs ago

Buffalo/Niagara Falls (BUF)to

Chicago (Midway) (MDW)
Depart: 10/21/2026

One-way

Basic

From
$109
Seen: 5 hrs ago

Buffalo/Niagara Falls (BUF)to

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

One-way

Basic

From
$109
Seen: 1 hour ago

Buffalo/Niagara Falls (BUF)to

Chicago (Midway) (MDW)
Depart: 09/23/2026

One-way

Basic

From
$109
Seen: 23 hrs ago

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Explore flights from Buffalo/Niagara Falls to Chicago (Midway)

Aug 2026
From$236*
Seen: 22 hrs ago
One Way/Basic
Sep 2026
From$109*
Seen: 23 hrs ago
One Way/Basic
Oct 2026
From$109*
Seen: 14 hrs ago
One Way/Basic
cmp-daily-histogram-bars-legend-min-price-aria-label $109
cmp-daily-histogram-bars-legend-max-price-aria-label $268
Displaying fares for August-2026
  • BUF–MDW, 08/20/2026: From $268
    20

    Thu

    AUG

  • BUF–MDW, 08/21/2026: From $268
    21

    Fri

  • BUF–MDW, 08/22/2026: From $236
    22

    Sat

  • BUF–MDW, 08/23/2026: From $268
    23

    Sun

  • BUF–MDW, 08/24/2026: From $268
    24

    Mon

  • BUF–MDW, 08/25/2026: From $236
    25

    Tue

  • BUF–MDW, 08/26/2026: From $236
    26

    Wed

  • BUF–MDW, 08/27/2026: From $268
    27

    Thu

  • BUF–MDW, 08/28/2026: From $268
    28

    Fri

  • BUF–MDW, 08/29/2026: From $236
    29

    Sat

  • BUF–MDW, 08/30/2026: From $268
    30

    Sun

  • BUF–MDW: cmp-view-offers-disclaimer. Find Offers
    31

    Mon

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

    Tue

    SEP

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

    Wed

  • BUF–MDW, 09/03/2026: From $241
    03

    Thu

  • BUF–MDW, 09/04/2026: From $268
    04

    Fri

  • BUF–MDW, 09/05/2026: From $186
    05

    Sat

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

    Sun

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

    Mon

  • BUF–MDW, 09/08/2026: From $236
    08

    Tue

  • BUF–MDW, 09/09/2026: From $186
    09

    Wed

  • BUF–MDW: cmp-view-offers-disclaimer. Find Offers
    10

    Thu

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

    Fri

  • BUF–MDW, 09/12/2026: From $109
    12

    Sat

  • BUF–MDW, 09/13/2026: From $215
    13

    Sun

  • BUF–MDW, 09/14/2026: From $128
    14

    Mon

  • BUF–MDW, 09/15/2026: From $109
    15

    Tue

  • BUF–MDW, 09/16/2026: From $109
    16

    Wed

  • BUF–MDW, 09/17/2026: From $109
    17

    Thu

  • BUF–MDW, 09/18/2026: From $215
    18

    Fri

  • BUF–MDW, 09/19/2026: From $119
    19

    Sat

    • Range$109-$268

    *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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