Southwest® flights from Boston to Phoenix from $150

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Low fares from Boston to Phoenix

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Boston (BOS)to

Phoenix (PHX)
Depart: 11/17/2026

One-way

Basic

From
$150
Seen: 23 hrs ago

Boston (BOS)to

Phoenix (PHX)
Depart: 01/07/2027

One-way

Basic

From
$150
Seen: 6 hrs ago

Boston (BOS)to

Phoenix (PHX)
Depart: 12/02/2026

One-way

Basic

From
$150
Seen: 3 hrs ago

Boston (BOS)to

Phoenix (PHX)
Depart: 01/26/2027

One-way

Basic

From
$150
Seen: 1 hour ago

Boston (BOS)to

Phoenix (PHX)
Depart: 01/13/2027

One-way

Basic

From
$150
Seen: 22 hrs ago

Boston (BOS)to

Phoenix (PHX)
Depart: 01/14/2027

One-way

Basic

From
$150
Seen: 8 hrs ago

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Explore flights from Boston to Phoenix

Oct 2026
From$339*
Seen: 18 hrs ago
One Way/Basic
Nov 2026
From$150*
Seen: 20 hrs ago
One Way/Basic
Dec 2026
From$150*
Seen: 8 hrs ago
One Way/Basic
cmp-daily-histogram-bars-legend-min-price-aria-label $150
cmp-daily-histogram-bars-legend-max-price-aria-label $384
Displaying fares for October-2026
  • BOS–PHX, 10/20/2026: From $345
    20

    Tue

    OCT

  • BOS–PHX, 10/21/2026: From $345
    21

    Wed

  • BOS–PHX, 10/22/2026: From $384
    22

    Thu

  • BOS–PHX, 10/23/2026: From $384
    23

    Fri

  • BOS–PHX, 10/24/2026: From $340
    24

    Sat

  • BOS–PHX: cmp-view-offers-disclaimer. Find Offers
    25

    Sun

  • BOS–PHX, 10/26/2026: From $339
    26

    Mon

  • BOS–PHX, 10/27/2026: From $339
    27

    Tue

  • BOS–PHX, 10/28/2026: From $339
    28

    Wed

  • BOS–PHX, 10/29/2026: From $339
    29

    Thu

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

    Fri

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

    Sat

  • BOS–PHX, 11/01/2026: From $339
    01

    Sun

    NOV

  • BOS–PHX: cmp-view-offers-disclaimer. Find Offers
    02

    Mon

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

    Tue

  • BOS–PHX, 11/04/2026: From $194
    04

    Wed

  • BOS–PHX, 11/05/2026: From $209
    05

    Thu

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

    Fri

  • BOS–PHX, 11/07/2026: From $194
    07

    Sat

  • BOS–PHX, 11/08/2026: From $209
    08

    Sun

  • BOS–PHX, 11/09/2026: From $194
    09

    Mon

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

    Tue

  • BOS–PHX, 11/11/2026: From $194
    11

    Wed

  • BOS–PHX, 11/12/2026: From $150
    12

    Thu

  • BOS–PHX, 11/13/2026: From $192
    13

    Fri

  • BOS–PHX, 11/14/2026: From $156
    14

    Sat

  • BOS–PHX, 11/15/2026: From $178
    15

    Sun

  • BOS–PHX, 11/16/2026: From $194
    16

    Mon

  • BOS–PHX, 11/17/2026: From $150
    17

    Tue

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

    Wed

  • BOS–PHX, 11/19/2026: From $223
    19

    Thu

    • Range$150-$384

    *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:
    Logan International Airport
    Arriving at:
    Sky Harbor International Airport
    Distance:
    2300 miles

    Questions we hear the most

    There are 155 weekly flights from Boston to Phoenix on Southwest Airlines.
    To find the lowest fares by day and time to fly Boston 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 Boston 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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