Southwest® flights from Buffalo/Niagara Falls to Tucson from $143

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Low fares from Buffalo/Niagara Falls to Tucson

$

Buffalo/Niagara Falls (BUF)to

Tucson (TUS)
Depart: 01/09/2027

One-way

Basic

From
$143
Seen: 8 hrs ago

Buffalo/Niagara Falls (BUF)to

Tucson (TUS)
Depart: 11/22/2026

One-way

Basic

From
$143
Seen: 2 hrs ago

Buffalo/Niagara Falls (BUF)to

Tucson (TUS)
Depart: 01/13/2027

One-way

Basic

From
$143
Seen: 11 hrs ago

Buffalo/Niagara Falls (BUF)to

Tucson (TUS)
Depart: 11/17/2026

One-way

Basic

From
$143
Seen: 2 hrs ago

Buffalo/Niagara Falls (BUF)to

Tucson (TUS)
Depart: 01/20/2027

One-way

Basic

From
$143
Seen: 8 hrs ago

Buffalo/Niagara Falls (BUF)to

Tucson (TUS)
Depart: 11/09/2026

One-way

Basic

From
$143
Seen: 6 hrs ago

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Explore flights from Buffalo/Niagara Falls to Tucson

Oct 2026
From$584*
Seen: 15 hrs ago
One Way/Basic
Nov 2026
From$143*
Seen: 2 hrs ago
One Way/Basic
Dec 2026
From$143*
Seen: 9 hrs ago
One Way/Basic
cmp-daily-histogram-bars-legend-min-price-aria-label $143
Displaying fares for October-2026
  • BUF–TUS, 10/21/2026: From $584
    21

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    OCT

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  • BUF–TUS, 10/24/2026: From $584
    24

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    NOV

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  • BUF–TUS, 11/05/2026: From $314
    05

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  • BUF–TUS, 11/06/2026: From $314
    06

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  • BUF–TUS, 11/07/2026: From $314
    07

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  • BUF–TUS, 11/08/2026: From $314
    08

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  • BUF–TUS, 11/09/2026: From $143
    09

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    10

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    11

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  • BUF–TUS, 11/13/2026: From $143
    13

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    14

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    15

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    16

    Mon

  • BUF–TUS, 11/17/2026: From $143
    17

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    18

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    • Range$143-$584

    *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:
    Tucson International Airport
    Distance:
    1905 miles

    Questions we hear the most

    There are 57 weekly flights from Buffalo/Niagara Falls to Tucson on Southwest Airlines.
    To find the lowest fares by day and time to fly Buffalo/Niagara Falls to Tucson with Southwest, check out our Low Fare Calendar.
    You can rent a car at Tucson International Airport book yours with your flight.
    Yes! Flights from Buffalo/Niagara Falls to Tucson—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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