Southwest® flights from Chicago (Midway) to Buffalo/Niagara Falls from $119

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

$

Chicago (Midway) (MDW)to

Buffalo/Niagara Falls (BUF)
Depart: 09/11/2026

One-way

Basic

From
$119
Seen: 13 hrs ago

Chicago (Midway) (MDW)to

Buffalo/Niagara Falls (BUF)
Depart: 09/05/2026

One-way

Basic

From
$134
Seen: 2 hrs ago

Chicago (Midway) (MDW)to

Buffalo/Niagara Falls (BUF)
Depart: 09/08/2026

One-way

Basic

From
$140
Seen: 10 hrs ago

Chicago (Midway) (MDW)to

Buffalo/Niagara Falls (BUF)
Depart: 10/20/2026

One-way

Basic

From
$140
Seen: 10 hrs ago

Chicago (Midway) (MDW)to

Buffalo/Niagara Falls (BUF)
Depart: 10/19/2026

One-way

Basic

From
$140
Seen: 14 hrs ago

Chicago (Midway) (MDW)to

Buffalo/Niagara Falls (BUF)
Depart: 08/29/2026

One-way

Basic

From
$140
Seen: 48 minutes ago

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

Aug 2026
From$140*
Seen: 48 minutes ago
One Way/Basic
Sep 2026
From$119*
Seen: 13 hrs ago
One Way/Basic
Oct 2026
From$140*
Seen: 15 hrs ago
One Way/Basic
cmp-daily-histogram-bars-legend-min-price-aria-label $140
cmp-daily-histogram-bars-legend-max-price-aria-label $271
Displaying fares for August-2026
  • MDW–BUF, 08/01/2026: From $236
    01

    Sat

    AUG

  • MDW–BUF, 08/02/2026: From $268
    02

    Sun

  • MDW–BUF, 08/03/2026: From $268
    03

    Mon

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

    Tue

  • MDW–BUF, 08/05/2026: From $236
    05

    Wed

  • MDW–BUF, 08/06/2026: From $268
    06

    Thu

  • MDW–BUF, 08/07/2026: From $268
    07

    Fri

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

    Sat

  • MDW–BUF, 08/09/2026: From $268
    09

    Sun

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

    Mon

  • MDW–BUF, 08/11/2026: From $271
    11

    Tue

  • MDW–BUF, 08/12/2026: From $236
    12

    Wed

  • MDW–BUF, 08/13/2026: From $268
    13

    Thu

  • MDW–BUF, 08/14/2026: From $241
    14

    Fri

  • MDW–BUF, 08/15/2026: From $236
    15

    Sat

  • MDW–BUF, 08/16/2026: From $241
    16

    Sun

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

    Mon

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

    Tue

  • MDW–BUF, 08/19/2026: From $236
    19

    Wed

  • MDW–BUF, 08/20/2026: From $241
    20

    Thu

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    21

    Fri

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

    Sat

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    23

    Sun

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    24

    Mon

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    25

    Tue

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

    Wed

  • MDW–BUF, 08/27/2026: From $150
    27

    Thu

  • MDW–BUF, 08/28/2026: From $170
    28

    Fri

  • MDW–BUF, 08/29/2026: From $140
    29

    Sat

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    30

    Sun

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

    Mon

    • Range$140-$271

    *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:
    Buffalo Niagara International Airport
    Average flight time:
    1 hour 26 minutes
    Distance:
    468 miles

    Route Information

    106† 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 Chicago (Midway) to Buffalo/Niagara Falls is 1 hour 26 minutes.
    There are 106 weekly flights from Chicago (Midway) to Buffalo/Niagara Falls on Southwest Airlines.
    Yes, Southwest flies nonstop from Chicago (Midway) to Buffalo/Niagara Falls 2 times per day from Monday through Friday.
    Yes, Southwest flies nonstop from Chicago (Midway) to Buffalo/Niagara Falls once per day on Saturdays and 2 times per day on Sundays.
    To find the lowest fares by day and time to fly Chicago (Midway) to Buffalo/Niagara Falls with Southwest, check out our Low Fare Calendar.
    You can rent a car at Buffalo Niagara International Airport book yours with your flight.
    Yes! Flights from Chicago (Midway) to Buffalo/Niagara Falls—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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