Southwest® flights from Philadelphia to Buffalo/Niagara Falls from $266

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Low fares from Philadelphia to Buffalo/Niagara Falls

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Philadelphia (PHL)to

Buffalo/Niagara Falls (BUF)
Depart: 12/22/2026

One-way

Basic

From
$266
Seen: 19 hrs ago

Philadelphia (PHL)to

Buffalo/Niagara Falls (BUF)
Depart: 12/21/2026

One-way

Basic

From
$271
Seen: 22 hrs ago

Philadelphia (PHL)to

Buffalo/Niagara Falls (BUF)
Depart: 11/24/2026

One-way

Basic

From
$289
Seen: 4 hrs ago

Philadelphia (PHL)to

Buffalo/Niagara Falls (BUF)
Depart: 11/14/2026

One-way

Basic

From
$294
Seen: 17 hrs ago

Philadelphia (PHL)to

Buffalo/Niagara Falls (BUF)
Depart: 12/22/2026

One-way

Choice

From
$301
Seen: 19 hrs ago

Philadelphia (PHL)to

Buffalo/Niagara Falls (BUF)
Depart: 12/21/2026

One-way

Choice

From
$306
Seen: 22 hrs ago

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Explore flights from Philadelphia to Buffalo/Niagara Falls

Nov 2026
From$289*
Seen: 4 hrs ago
One Way/Basic
Dec 2026
From$266*
Seen: 19 hrs ago
One Way/Basic
Jan 2027
No result for this month.
cmp-daily-histogram-bars-legend-min-price-aria-label $289
Displaying fares for November-2026
  • PHL–BUF, 11/14/2026: From $294
    14

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    NOV

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  • PHL–BUF, 11/19/2026: From $328
    19

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  • PHL–BUF, 11/20/2026: From $323
    20

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  • PHL–BUF, 11/24/2026: From $289
    24

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    25

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    26

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    27

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  • PHL–BUF, 11/28/2026: From $417
    28

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  • PHL–BUF, 11/29/2026: From $451
    29

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    30

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    DEC

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    04

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    10

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    11

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    • Range$289-$451

    *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:
    Philadelphia International Airport
    Arriving at:
    Buffalo Niagara International Airport
    Distance:
    279 miles

    Questions we hear the most

    There are 22 weekly flights from Philadelphia to Buffalo/Niagara Falls on Southwest Airlines.
    To find the lowest fares by day and time to fly Philadelphia 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 Philadelphia 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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