Southwest® flights from Tucson to Buffalo/Niagara Falls from $150

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Low fares from Tucson to Buffalo/Niagara Falls

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Tucson (TUS)to

Buffalo/Niagara Falls (BUF)
Depart: 01/12/2027

One-way

Basic

From
$150
Seen: 8 hrs ago

Tucson (TUS)to

Buffalo/Niagara Falls (BUF)
Depart: 12/10/2026

One-way

Basic

From
$150
Seen: 2 hrs ago

Tucson (TUS)to

Buffalo/Niagara Falls (BUF)
Depart: 11/05/2026

One-way

Basic

From
$150
Seen: 15 hrs ago

Tucson (TUS)to

Buffalo/Niagara Falls (BUF)
Depart: 11/07/2026

One-way

Basic

From
$150
Seen: 2 hrs ago

Tucson (TUS)to

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

One-way

Basic

From
$156
Seen: 2 hrs ago

Tucson (TUS)to

Buffalo/Niagara Falls (BUF)
Depart: 11/06/2026

One-way

Basic

From
$192
Seen: 15 hrs ago

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Explore flights from Tucson to Buffalo/Niagara Falls

Oct 2026
From$264*
Seen: 3 hrs ago
One Way/Basic
Nov 2026
From$150*
Seen: 15 hrs ago
One Way/Basic
Dec 2026
From$150*
Seen: 2 hrs ago
One Way/Basic
cmp-daily-histogram-bars-legend-min-price-aria-label $150
Displaying fares for October-2026
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  • TUS–BUF, 10/11/2026: From $509
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  • TUS–BUF, 10/13/2026: From $509
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  • TUS–BUF, 10/28/2026: From $264
    28

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  • TUS–BUF, 10/29/2026: From $269
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    NOV

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  • TUS–BUF, 11/05/2026: From $150
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    • Range$150-$509

    *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:
    Tucson International Airport
    Arriving at:
    Buffalo Niagara International Airport
    Distance:
    1905 miles

    Questions we hear the most

    There are 48 weekly flights from Tucson to Buffalo/Niagara Falls on Southwest Airlines.
    To find the lowest fares by day and time to fly Tucson 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 Tucson 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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