Southwest® flights from Milwaukee to Buffalo/Niagara Falls from $159

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Low fares from Milwaukee to Buffalo/Niagara Falls

$

Milwaukee (MKE)to

Buffalo/Niagara Falls (BUF)
Depart: 12/08/2026

One-way

Basic

From
$159
Seen: 6 hrs ago

Milwaukee (MKE)to

Buffalo/Niagara Falls (BUF)
Depart: 12/02/2026

One-way

Basic

From
$169
Seen: 3 hrs ago

Milwaukee (MKE)to

Buffalo/Niagara Falls (BUF)
Depart: 12/14/2026

One-way

Basic

From
$169
Seen: 7 hrs ago

Milwaukee (MKE)to

Buffalo/Niagara Falls (BUF)
Depart: 12/08/2026

One-way

Choice

From
$194
Seen: 6 hrs ago

Milwaukee (MKE)to

Buffalo/Niagara Falls (BUF)
Depart: 12/14/2026

One-way

Choice

From
$204
Seen: 7 hrs ago

Milwaukee (MKE)to

Buffalo/Niagara Falls (BUF)
Depart: 12/02/2026

One-way

Choice

From
$204
Seen: 3 hrs ago

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Explore flights from Milwaukee to Buffalo/Niagara Falls

Nov 2026
From$234*
Seen: 33 minutes ago
One Way/Basic
Dec 2026
From$159*
Seen: 6 hrs ago
One Way/Basic
Jan 2027
No result for this month.
cmp-daily-histogram-bars-legend-min-price-aria-label $159
Displaying fares for November-2026
  • MKE–BUF, 11/10/2026: From $340
    10

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    NOV

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    11

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    12

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    15

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    16

    Mon

  • MKE–BUF, 11/17/2026: From $334
    17

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    18

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    19

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    20

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  • MKE–BUF, 11/21/2026: From $334
    21

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    22

    Sun

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    23

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    24

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    25

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    26

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    27

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    28

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    29

    Sun

  • MKE–BUF, 11/30/2026: From $234
    30

    Mon

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    01

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    DEC

  • MKE–BUF, 12/02/2026: From $169
    02

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    03

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    04

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    05

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    06

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    07

    Mon

  • MKE–BUF, 12/08/2026: From $159
    08

    Tue

  • MKE–BUF: cmp-view-offers-disclaimer. Find Offers
    09

    Wed

    • Range$159-$340

    *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:
    General Mitchell Airport
    Arriving at:
    Buffalo Niagara International Airport
    Distance:
    465 miles

    Questions we hear the most

    There are 67 weekly flights from Milwaukee to Buffalo/Niagara Falls on Southwest Airlines.
    To find the lowest fares by day and time to fly Milwaukee 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 Milwaukee 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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