Southwest® flights from Buffalo/Niagara Falls to Phoenix from $164

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Low fares from Buffalo/Niagara Falls to Phoenix

$

Buffalo/Niagara Falls (BUF)to

Phoenix (PHX)
Depart: 12/01/2026

One-way

Basic

From
$164
Seen: 20 hrs ago

Buffalo/Niagara Falls (BUF)to

Phoenix (PHX)
Depart: 10/30/2026

One-way

Basic

From
$164
Seen: 12 hrs ago

Buffalo/Niagara Falls (BUF)to

Phoenix (PHX)
Depart: 01/07/2027

One-way

Basic

From
$164
Seen: 11 hrs ago

Buffalo/Niagara Falls (BUF)to

Phoenix (PHX)
Depart: 11/18/2026

One-way

Basic

From
$164
Seen: 4 hrs ago

Buffalo/Niagara Falls (BUF)to

Phoenix (PHX)
Depart: 11/19/2026

One-way

Basic

From
$164
Seen: 4 hrs ago

Buffalo/Niagara Falls (BUF)to

Phoenix (PHX)
Depart: 10/28/2026

One-way

Basic

From
$164
Seen: 18 hrs ago

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Explore flights from Buffalo/Niagara Falls to Phoenix

Sep 2026
From$450*
Seen: 9 hrs ago
One Way/Basic
Oct 2026
From$164*
Seen: 5 hrs ago
One Way/Basic
Nov 2026
From$164*
Seen: 4 hrs ago
One Way/Basic
cmp-daily-histogram-bars-legend-min-price-aria-label $164
cmp-daily-histogram-bars-legend-max-price-aria-label $450
Displaying fares for September-2026
  • BUF–PHX, 09/30/2026: From $450
    30

    Wed

    SEP

  • BUF–PHX, 10/01/2026: From $390
    01

    Thu

  • BUF–PHX, 10/02/2026: From $221
    02

    Fri

  • BUF–PHX, 10/03/2026: From $249
    03

    Sat

  • BUF–PHX, 10/04/2026: From $345
    04

    Sun

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

    Mon

  • BUF–PHX, 10/06/2026: From $221
    06

    Tue

  • BUF–PHX, 10/07/2026: From $221
    07

    Wed

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

    Thu

  • BUF–PHX: cmp-view-offers-disclaimer. Find Offers
    09

    Fri

  • BUF–PHX: cmp-view-offers-disclaimer. Find Offers
    10

    Sat

  • BUF–PHX, 10/11/2026: From $345
    11

    Sun

  • BUF–PHX, 10/12/2026: From $295
    12

    Mon

  • BUF–PHX, 10/13/2026: From $280
    13

    Tue

  • BUF–PHX: cmp-view-offers-disclaimer. Find Offers
    14

    Wed

  • BUF–PHX: cmp-view-offers-disclaimer. Find Offers
    15

    Thu

  • BUF–PHX: cmp-view-offers-disclaimer. Find Offers
    16

    Fri

  • BUF–PHX, 10/17/2026: From $295
    17

    Sat

  • BUF–PHX, 10/18/2026: From $340
    18

    Sun

  • BUF–PHX, 10/19/2026: From $164
    19

    Mon

  • BUF–PHX, 10/20/2026: From $164
    20

    Tue

  • BUF–PHX, 10/21/2026: From $164
    21

    Wed

  • BUF–PHX, 10/22/2026: From $164
    22

    Thu

  • BUF–PHX, 10/23/2026: From $164
    23

    Fri

  • BUF–PHX, 10/24/2026: From $164
    24

    Sat

  • BUF–PHX, 10/25/2026: From $220
    25

    Sun

  • BUF–PHX: cmp-view-offers-disclaimer. Find Offers
    26

    Mon

  • BUF–PHX, 10/27/2026: From $164
    27

    Tue

  • BUF–PHX, 10/28/2026: From $164
    28

    Wed

  • BUF–PHX: cmp-view-offers-disclaimer. Find Offers
    29

    Thu

    • Range$164-$450

    *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:
    Sky Harbor International Airport
    Average flight time:
    4 hours 41 minutes
    Distance:
    1912 miles

    Route Information

    147† Weekly flights
    • 1‡ Nonstop flight per day Monday through Friday
    • 2‡ Nonstop flights on Saturday
    • 1‡ Nonstop flight on Sunday

    † Weekly flights based on DOT published scheduled average flights Monday through Sunday between 9/1/2025 and 9/30/2025. Note: route may not operate every day of the week.

    ‡ Nonstop flights based on DOT published scheduled average flights Monday through Sunday between 9/1/2025 and 9/30/2025.

    Questions we hear the most

    The average flight time from Buffalo/Niagara Falls to Phoenix is 4 hours 41 minutes.
    There are 147 weekly flights from Buffalo/Niagara Falls to Phoenix on Southwest Airlines.
    Yes, Southwest flies nonstop from Buffalo/Niagara Falls to Phoenix once per day from Monday through Friday.
    Yes, Southwest flies nonstop from Buffalo/Niagara Falls to Phoenix 2 times per day on Saturdays and once per day on Sundays.
    To find the lowest fares by day and time to fly Buffalo/Niagara Falls to Phoenix with Southwest, check out our Low Fare Calendar.
    You can rent a car at Sky Harbor International Airport book yours with your flight.
    Yes! Flights from Buffalo/Niagara Falls to Phoenix—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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