Southwest® flights from Buffalo/Niagara Falls to Phoenix from $154

Promo Code

Low fares from Buffalo/Niagara Falls to Phoenix

$

Buffalo/Niagara Falls (BUF)to

Phoenix (PHX)
Depart: 10/02/2026

One-way

Basic

From
$154
Seen: 15 hrs ago

Buffalo/Niagara Falls (BUF)to

Phoenix (PHX)
Depart: 11/16/2026

One-way

Basic

From
$154
Seen: 17 hrs ago

Buffalo/Niagara Falls (BUF)to

Phoenix (PHX)
Depart: 09/12/2026

One-way

Basic

From
$154
Seen: 19 hrs ago

Buffalo/Niagara Falls (BUF)to

Phoenix (PHX)
Depart: 10/30/2026

One-way

Basic

From
$154
Seen: 20 hrs ago

Buffalo/Niagara Falls (BUF)to

Phoenix (PHX)
Depart: 10/22/2026

One-way

Basic

From
$154
Seen: 20 hrs ago

Buffalo/Niagara Falls (BUF)to

Phoenix (PHX)
Depart: 11/14/2026

One-way

Basic

From
$154
Seen: 19 hrs ago

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Explore flights from Buffalo/Niagara Falls to Phoenix

Aug 2026
From$211*
Seen: 5 hrs ago
One Way/Basic
Sep 2026
From$154*
Seen: 22 hrs ago
One Way/Basic
Oct 2026
From$154*
Seen: 12 hrs ago
One Way/Basic
cmp-daily-histogram-bars-legend-min-price-aria-label $154
cmp-daily-histogram-bars-legend-max-price-aria-label $455
Displaying fares for August-2026
  • BUF–PHX, 08/21/2026: From $380
    21

    Fri

    AUG

  • BUF–PHX, 08/22/2026: From $380
    22

    Sat

  • BUF–PHX, 08/23/2026: From $340
    23

    Sun

  • BUF–PHX, 08/24/2026: From $240
    24

    Mon

  • BUF–PHX, 08/25/2026: From $211
    25

    Tue

  • BUF–PHX, 08/26/2026: From $211
    26

    Wed

  • BUF–PHX, 08/27/2026: From $211
    27

    Thu

  • BUF–PHX, 08/28/2026: From $211
    28

    Fri

  • BUF–PHX, 08/29/2026: From $211
    29

    Sat

  • BUF–PHX: cmp-view-offers-disclaimer. Find Offers
    30

    Sun

  • BUF–PHX: cmp-view-offers-disclaimer. Find Offers
    31

    Mon

  • BUF–PHX, 09/01/2026: From $211
    01

    Tue

    SEP

  • BUF–PHX, 09/02/2026: From $211
    02

    Wed

  • BUF–PHX, 09/03/2026: From $205
    03

    Thu

  • BUF–PHX: cmp-view-offers-disclaimer. Find Offers
    04

    Fri

  • BUF–PHX, 09/05/2026: From $154
    05

    Sat

  • BUF–PHX, 09/06/2026: From $240
    06

    Sun

  • BUF–PHX, 09/07/2026: From $455
    07

    Mon

  • BUF–PHX, 09/08/2026: From $240
    08

    Tue

  • BUF–PHX, 09/09/2026: From $154
    09

    Wed

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

    Thu

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

    Fri

  • BUF–PHX, 09/12/2026: From $154
    12

    Sat

  • BUF–PHX, 09/13/2026: From $345
    13

    Sun

  • BUF–PHX, 09/14/2026: From $184
    14

    Mon

  • BUF–PHX, 09/15/2026: From $154
    15

    Tue

  • BUF–PHX, 09/16/2026: From $154
    16

    Wed

  • BUF–PHX, 09/17/2026: From $200
    17

    Thu

  • BUF–PHX, 09/18/2026: From $240
    18

    Fri

  • BUF–PHX, 09/19/2026: From $205
    19

    Sat

  • BUF–PHX, 09/20/2026: From $345
    20

    Sun

    • Range$154-$455

    *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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