Southwest® flights from Phoenix to Buffalo/Niagara Falls from $179

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Low fares from Phoenix to Buffalo/Niagara Falls

$

Phoenix (PHX)to

Buffalo/Niagara Falls (BUF)
Depart: 01/11/2027

One-way

Basic

From
$179
Seen: 23 hrs ago

Phoenix (PHX)to

Buffalo/Niagara Falls (BUF)
Depart: 01/30/2027

One-way

Basic

From
$179
Seen: 18 hrs ago

Phoenix (PHX)to

Buffalo/Niagara Falls (BUF)
Depart: 01/24/2027

One-way

Basic

From
$179
Seen: 11 hrs ago

Phoenix (PHX)to

Buffalo/Niagara Falls (BUF)
Depart: 01/25/2027

One-way

Basic

From
$179
Seen: 11 hrs ago

Phoenix (PHX)to

Buffalo/Niagara Falls (BUF)
Depart: 02/11/2027

One-way

Basic

From
$179
Seen: 4 hrs ago

Phoenix (PHX)to

Buffalo/Niagara Falls (BUF)
Depart: 12/07/2026

One-way

Basic

From
$179
Seen: 3 hrs ago

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Explore flights from Phoenix to Buffalo/Niagara Falls

Nov 2026
From$184*
Seen: 14 hrs ago
One Way/Basic
Dec 2026
From$179*
Seen: 9 hrs ago
One Way/Basic
Jan 2027
From$179*
Seen: 21 hrs ago
One Way/Basic
cmp-daily-histogram-bars-legend-min-price-aria-label $179
cmp-daily-histogram-bars-legend-max-price-aria-label $370
Displaying fares for November-2026
  • PHX–BUF, 11/10/2026: From $224
    10

    Tue

    NOV

  • PHX–BUF: cmp-view-offers-disclaimer. Find Offers
    11

    Wed

  • PHX–BUF, 11/12/2026: From $224
    12

    Thu

  • PHX–BUF, 11/13/2026: From $224
    13

    Fri

  • PHX–BUF, 11/14/2026: From $229
    14

    Sat

  • PHX–BUF, 11/15/2026: From $300
    15

    Sun

  • PHX–BUF, 11/16/2026: From $250
    16

    Mon

  • PHX–BUF, 11/17/2026: From $224
    17

    Tue

  • PHX–BUF, 11/18/2026: From $224
    18

    Wed

  • PHX–BUF: cmp-view-offers-disclaimer. Find Offers
    19

    Thu

  • PHX–BUF, 11/20/2026: From $300
    20

    Fri

  • PHX–BUF, 11/21/2026: From $224
    21

    Sat

  • PHX–BUF, 11/22/2026: From $224
    22

    Sun

  • PHX–BUF, 11/23/2026: From $184
    23

    Mon

  • PHX–BUF, 11/24/2026: From $230
    24

    Tue

  • PHX–BUF, 11/25/2026: From $205
    25

    Wed

  • PHX–BUF, 11/26/2026: From $250
    26

    Thu

  • PHX–BUF: cmp-view-offers-disclaimer. Find Offers
    27

    Fri

  • PHX–BUF, 11/28/2026: From $250
    28

    Sat

  • PHX–BUF, 11/29/2026: From $370
    29

    Sun

  • PHX–BUF, 11/30/2026: From $340
    30

    Mon

  • PHX–BUF: cmp-view-offers-disclaimer. Find Offers
    01

    Tue

    DEC

  • PHX–BUF, 12/02/2026: From $179
    02

    Wed

  • PHX–BUF: cmp-view-offers-disclaimer. Find Offers
    03

    Thu

  • PHX–BUF, 12/04/2026: From $179
    04

    Fri

  • PHX–BUF: cmp-view-offers-disclaimer. Find Offers
    05

    Sat

  • PHX–BUF, 12/06/2026: From $179
    06

    Sun

  • PHX–BUF, 12/07/2026: From $179
    07

    Mon

  • PHX–BUF, 12/08/2026: From $179
    08

    Tue

  • PHX–BUF, 12/09/2026: From $179
    09

    Wed

    • Range$179-$370

    *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:
    Sky Harbor International Airport
    Arriving at:
    Buffalo Niagara International Airport
    Average flight time:
    4 hours 5 minutes
    Distance:
    1912 miles

    Questions we hear the most

    The average flight time from Phoenix to Buffalo/Niagara Falls is 4 hours 5 minutes.
    There are 148 weekly flights from Phoenix to Buffalo/Niagara Falls on Southwest Airlines.
    Yes, Southwest flies nonstop from Phoenix to Buffalo/Niagara Falls once per day from Monday through Friday.
    Yes, Southwest flies nonstop from Phoenix to Buffalo/Niagara Falls 2 times per day on Saturdays and once per day on Sundays.
    To find the lowest fares by day and time to fly Phoenix 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 Phoenix 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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