Southwest® flights from Seattle/Tacoma to Phoenix from $110

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Low fares from Seattle/Tacoma to Phoenix

$

Seattle/Tacoma (SEA)to

Phoenix (PHX)
Depart: 12/14/2026

One-way

Basic

From
$110
Seen: 21 hrs ago

Seattle/Tacoma (SEA)to

Phoenix (PHX)
Depart: 01/21/2027

One-way

Basic

From
$110
Seen: 16 hrs ago

Seattle/Tacoma (SEA)to

Phoenix (PHX)
Depart: 11/14/2026

One-way

Basic

From
$110
Seen: 16 hrs ago

Seattle/Tacoma (SEA)to

Phoenix (PHX)
Depart: 01/19/2027

One-way

Basic

From
$110
Seen: 10 hrs ago

Seattle/Tacoma (SEA)to

Phoenix (PHX)
Depart: 12/09/2026

One-way

Basic

From
$110
Seen: 10 hrs ago

Seattle/Tacoma (SEA)to

Phoenix (PHX)
Depart: 01/07/2027

One-way

Basic

From
$110
Seen: 15 hrs ago

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Explore flights from Seattle/Tacoma to Phoenix

Oct 2026
From$254*
Seen: 13 hrs ago
One Way/Basic
Nov 2026
From$110*
Seen: 11 hrs ago
One Way/Basic
Dec 2026
From$110*
Seen: 21 hrs ago
One Way/Basic
cmp-daily-histogram-bars-legend-min-price-aria-label $110
cmp-daily-histogram-bars-legend-max-price-aria-label $277
Displaying fares for October-2026
  • SEA–PHX, 10/21/2026: From $254
    21

    Wed

    OCT

  • SEA–PHX: cmp-view-offers-disclaimer. Find Offers
    22

    Thu

  • SEA–PHX, 10/23/2026: From $277
    23

    Fri

  • SEA–PHX: cmp-view-offers-disclaimer. Find Offers
    24

    Sat

  • SEA–PHX, 10/25/2026: From $277
    25

    Sun

  • SEA–PHX, 10/26/2026: From $277
    26

    Mon

  • SEA–PHX, 10/27/2026: From $254
    27

    Tue

  • SEA–PHX: cmp-view-offers-disclaimer. Find Offers
    28

    Wed

  • SEA–PHX, 10/29/2026: From $277
    29

    Thu

  • SEA–PHX, 10/30/2026: From $277
    30

    Fri

  • SEA–PHX, 10/31/2026: From $254
    31

    Sat

  • SEA–PHX, 11/01/2026: From $277
    01

    Sun

    NOV

  • SEA–PHX, 11/02/2026: From $277
    02

    Mon

  • SEA–PHX, 11/03/2026: From $199
    03

    Tue

  • SEA–PHX, 11/04/2026: From $199
    04

    Wed

  • SEA–PHX, 11/05/2026: From $199
    05

    Thu

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

    Fri

  • SEA–PHX, 11/07/2026: From $199
    07

    Sat

  • SEA–PHX, 11/08/2026: From $243
    08

    Sun

  • SEA–PHX, 11/09/2026: From $110
    09

    Mon

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

    Tue

  • SEA–PHX, 11/11/2026: From $110
    11

    Wed

  • SEA–PHX, 11/12/2026: From $174
    12

    Thu

  • SEA–PHX: cmp-view-offers-disclaimer. Find Offers
    13

    Fri

  • SEA–PHX, 11/14/2026: From $110
    14

    Sat

  • SEA–PHX, 11/15/2026: From $140
    15

    Sun

  • SEA–PHX, 11/16/2026: From $110
    16

    Mon

  • SEA–PHX, 11/17/2026: From $110
    17

    Tue

  • SEA–PHX, 11/18/2026: From $110
    18

    Wed

  • SEA–PHX, 11/19/2026: From $174
    19

    Thu

  • SEA–PHX, 11/20/2026: From $142
    20

    Fri

    • Range$110-$277

    *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:
    Seattle/Tacoma International Airport
    Arriving at:
    Sky Harbor International Airport
    Average flight time:
    2 hours 50 minutes
    Distance:
    1107 miles

    Questions we hear the most

    The average flight time from Seattle/Tacoma to Phoenix is 2 hours 50 minutes.
    There are 155 weekly flights from Seattle/Tacoma to Phoenix on Southwest Airlines.
    Yes, Southwest flies nonstop from Seattle/Tacoma to Phoenix 3 times per day from Monday through Friday.
    Yes, Southwest flies nonstop from Seattle/Tacoma to Phoenix 3 times per day on Saturdays and Sundays.
    To find the lowest fares by day and time to fly Seattle/Tacoma 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 Seattle/Tacoma 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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