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

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Low fares from Buffalo/Niagara Falls to Phoenix

$

Buffalo/Niagara Falls (BUF)to

Phoenix (PHX)
Depart: 09/15/2026

One-way

Basic

From
$154
Seen: 23 hrs ago

Buffalo/Niagara Falls (BUF)to

Phoenix (PHX)
Depart: 10/30/2026

One-way

Basic

From
$154
Seen: 17 hrs ago

Buffalo/Niagara Falls (BUF)to

Phoenix (PHX)
Depart: 09/05/2026

One-way

Basic

From
$154
Seen: 9 hrs ago

Buffalo/Niagara Falls (BUF)to

Phoenix (PHX)
Depart: 10/03/2026

One-way

Basic

From
$154
Seen: 11 hrs ago

Buffalo/Niagara Falls (BUF)to

Phoenix (PHX)
Depart: 10/26/2026

One-way

Basic

From
$154
Seen: 19 hrs ago

Buffalo/Niagara Falls (BUF)to

Phoenix (PHX)
Depart: 10/22/2026

One-way

Basic

From
$154
Seen: 19 hrs ago

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Explore flights from Buffalo/Niagara Falls to Phoenix

Aug 2026
From$154*
Seen: 1 hour ago
One Way/Basic
Sep 2026
From$154*
Seen: 11 hrs ago
One Way/Basic
Oct 2026
From$154*
Seen: 8 hrs ago
One Way/Basic
cmp-daily-histogram-bars-legend-min-price-aria-label $154
cmp-daily-histogram-bars-legend-max-price-aria-label $520
Displaying fares for August-2026
  • BUF–PHX: cmp-view-offers-disclaimer. Find Offers
    01

    Sat

    AUG

  • BUF–PHX, 08/02/2026: From $510
    02

    Sun

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

    Mon

  • BUF–PHX, 08/04/2026: From $340
    04

    Tue

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

    Wed

  • BUF–PHX: cmp-view-offers-disclaimer. Find Offers
    06

    Thu

  • BUF–PHX: cmp-view-offers-disclaimer. Find Offers
    07

    Fri

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

    Sat

  • BUF–PHX, 08/09/2026: From $520
    09

    Sun

  • BUF–PHX, 08/10/2026: From $340
    10

    Mon

  • BUF–PHX, 08/11/2026: From $280
    11

    Tue

  • BUF–PHX, 08/12/2026: From $300
    12

    Wed

  • BUF–PHX, 08/13/2026: From $211
    13

    Thu

  • BUF–PHX, 08/14/2026: From $280
    14

    Fri

  • BUF–PHX, 08/15/2026: From $245
    15

    Sat

  • BUF–PHX, 08/16/2026: From $245
    16

    Sun

  • BUF–PHX, 08/17/2026: From $205
    17

    Mon

  • BUF–PHX, 08/18/2026: From $205
    18

    Tue

  • BUF–PHX, 08/19/2026: From $154
    19

    Wed

  • BUF–PHX: cmp-view-offers-disclaimer. Find Offers
    20

    Thu

  • BUF–PHX, 08/21/2026: From $154
    21

    Fri

  • BUF–PHX, 08/22/2026: From $154
    22

    Sat

  • BUF–PHX, 08/23/2026: From $285
    23

    Sun

  • BUF–PHX, 08/24/2026: From $200
    24

    Mon

  • BUF–PHX, 08/25/2026: From $154
    25

    Tue

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

    Wed

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

    Thu

  • BUF–PHX, 08/28/2026: From $154
    28

    Fri

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

    Sat

  • BUF–PHX, 08/30/2026: From $245
    30

    Sun

  • BUF–PHX, 08/31/2026: From $200
    31

    Mon

    • Range$154-$520

    *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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