Southwest® flights from Phoenix to Buffalo/Niagara Falls from $114

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Low fares from Phoenix to Buffalo/Niagara Falls

$

Phoenix (PHX)to

Buffalo/Niagara Falls (BUF)
Depart: 11/12/2026

One-way

Basic

From
$114
Seen: 21 hrs ago

Phoenix (PHX)to

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

One-way

Basic

From
$114
Seen: 15 hrs ago

Phoenix (PHX)to

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

One-way

Basic

From
$114
Seen: 15 hrs ago

Phoenix (PHX)to

Buffalo/Niagara Falls (BUF)
Depart: 01/09/2027

One-way

Basic

From
$114
Seen: 12 hrs ago

Phoenix (PHX)to

Buffalo/Niagara Falls (BUF)
Depart: 01/21/2027

One-way

Basic

From
$114
Seen: 14 hrs ago

Phoenix (PHX)to

Buffalo/Niagara Falls (BUF)
Depart: 12/09/2026

One-way

Basic

From
$114
Seen: 18 hrs ago

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Explore flights from Phoenix to Buffalo/Niagara Falls

Oct 2026
From$214*
Seen: 17 hrs ago
One Way/Basic
Nov 2026
From$114*
Seen: 21 hrs ago
One Way/Basic
Dec 2026
From$114*
Seen: 10 hrs ago
One Way/Basic
cmp-daily-histogram-bars-legend-min-price-aria-label $114
cmp-daily-histogram-bars-legend-max-price-aria-label $219
Displaying fares for October-2026
  • PHX–BUF: cmp-view-offers-disclaimer. Find Offers
    20

    Tue

    OCT

  • PHX–BUF, 10/21/2026: From $219
    21

    Wed

  • PHX–BUF: cmp-view-offers-disclaimer. Find Offers
    22

    Thu

  • PHX–BUF, 10/23/2026: From $219
    23

    Fri

  • PHX–BUF: cmp-view-offers-disclaimer. Find Offers
    24

    Sat

  • PHX–BUF, 10/25/2026: From $219
    25

    Sun

  • PHX–BUF, 10/26/2026: From $219
    26

    Mon

  • PHX–BUF, 10/27/2026: From $219
    27

    Tue

  • PHX–BUF, 10/28/2026: From $219
    28

    Wed

  • PHX–BUF, 10/29/2026: From $214
    29

    Thu

  • PHX–BUF, 10/30/2026: From $214
    30

    Fri

  • PHX–BUF, 10/31/2026: From $219
    31

    Sat

  • PHX–BUF, 11/01/2026: From $219
    01

    Sun

    NOV

  • PHX–BUF, 11/02/2026: From $219
    02

    Mon

  • PHX–BUF, 11/03/2026: From $174
    03

    Tue

  • PHX–BUF, 11/04/2026: From $219
    04

    Wed

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

    Thu

  • PHX–BUF, 11/06/2026: From $219
    06

    Fri

  • PHX–BUF, 11/07/2026: From $174
    07

    Sat

  • PHX–BUF: cmp-view-offers-disclaimer. Find Offers
    08

    Sun

  • PHX–BUF, 11/09/2026: From $114
    09

    Mon

  • PHX–BUF, 11/10/2026: From $114
    10

    Tue

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

    Wed

  • PHX–BUF, 11/12/2026: From $114
    12

    Thu

  • PHX–BUF, 11/13/2026: From $144
    13

    Fri

  • PHX–BUF, 11/14/2026: From $114
    14

    Sat

  • PHX–BUF, 11/15/2026: From $159
    15

    Sun

  • PHX–BUF, 11/16/2026: From $174
    16

    Mon

  • PHX–BUF: cmp-view-offers-disclaimer. Find Offers
    17

    Tue

  • PHX–BUF: cmp-view-offers-disclaimer. Find Offers
    18

    Wed

  • PHX–BUF, 11/19/2026: From $219
    19

    Thu

    • Range$114-$219

    *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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