Southwest® flights from Phoenix to Buffalo/Niagara Falls from $159

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Low fares from Phoenix to Buffalo/Niagara Falls

$

Phoenix (PHX)to

Buffalo/Niagara Falls (BUF)
Depart: 10/29/2026

One-way

Basic

From
$159
Seen: 14 hrs ago

Phoenix (PHX)to

Buffalo/Niagara Falls (BUF)
Depart: 12/05/2026

One-way

Basic

From
$164
Seen: 13 hrs ago

Phoenix (PHX)to

Buffalo/Niagara Falls (BUF)
Depart: 12/03/2026

One-way

Basic

From
$164
Seen: 7 hrs ago

Phoenix (PHX)to

Buffalo/Niagara Falls (BUF)
Depart: 11/05/2026

One-way

Basic

From
$164
Seen: 7 hrs ago

Phoenix (PHX)to

Buffalo/Niagara Falls (BUF)
Depart: 11/04/2026

One-way

Basic

From
$164
Seen: 6 hrs ago

Phoenix (PHX)to

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

One-way

Basic

From
$164
Seen: 3 hrs ago

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Explore flights from Phoenix to Buffalo/Niagara Falls

Oct 2026
From$159*
Seen: 14 hrs ago
One Way/Basic
Nov 2026
From$164*
Seen: 8 hrs ago
One Way/Basic
Dec 2026
From$164*
Seen: 13 hrs ago
One Way/Basic
cmp-daily-histogram-bars-legend-min-price-aria-label $159
cmp-daily-histogram-bars-legend-max-price-aria-label $290
Displaying fares for October-2026
  • PHX–BUF, 10/01/2026: From $249
    01

    Thu

    OCT

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    02

    Fri

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    03

    Sat

  • PHX–BUF, 10/04/2026: From $221
    04

    Sun

  • PHX–BUF, 10/05/2026: From $221
    05

    Mon

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    06

    Tue

  • PHX–BUF, 10/07/2026: From $254
    07

    Wed

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    08

    Thu

  • PHX–BUF, 10/09/2026: From $290
    09

    Fri

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

    Sat

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    11

    Sun

  • PHX–BUF, 10/12/2026: From $290
    12

    Mon

  • PHX–BUF, 10/13/2026: From $221
    13

    Tue

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    14

    Wed

  • PHX–BUF, 10/15/2026: From $169
    15

    Thu

  • PHX–BUF, 10/16/2026: From $164
    16

    Fri

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    17

    Sat

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    18

    Sun

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    19

    Mon

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    20

    Tue

  • PHX–BUF, 10/21/2026: From $169
    21

    Wed

  • PHX–BUF, 10/22/2026: From $169
    22

    Thu

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    23

    Fri

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    24

    Sat

  • PHX–BUF, 10/25/2026: From $200
    25

    Sun

  • PHX–BUF, 10/26/2026: From $164
    26

    Mon

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

    Tue

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

    Wed

  • PHX–BUF, 10/29/2026: From $159
    29

    Thu

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    30

    Fri

  • PHX–BUF, 10/31/2026: From $179
    31

    Sat

    • Range$159-$290

    *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

    Route Information

    148† 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 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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