Flights from Phoenix, AZ to Seattle, WA

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Best Deals on Flights From Phoenix, AZ (PHX) to Seattle, WA (SEA)

Sep 2026
from$183*
Last seen: 1 hour ago
One-way/Economy
Oct 2026
from$91*
Last seen: 6 hours ago
One-way/Economy
Nov 2026
from$95*
Last seen: 2 hours ago
One-way/Economy
cmp-daily-histogram-bars-legend-min-price-aria-label $108
cmp-daily-histogram-bars-legend-max-price-aria-label $316
Displaying fares for September-2026
  • PHX–SEA: cmp-view-offers-disclaimer. Find Offers
    23

    Wed

    SEP

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    24

    Thu

  • PHX–SEA, Sep 25, 2026: from $202
    25

    Fri

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

    Sat

  • PHX–SEA, Sep 27, 2026: from $196
    27

    Sun

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

    Mon

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    29

    Tue

  • PHX–SEA, Sep 30, 2026: from $183
    30

    Wed

  • PHX–SEA, Oct 1, 2026: from $196
    01

    Thu

    OCT

  • PHX–SEA, Oct 2, 2026: from $196
    02

    Fri

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    03

    Sat

  • PHX–SEA, Oct 4, 2026: from $196
    04

    Sun

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    05

    Mon

  • PHX–SEA, Oct 6, 2026: from $138
    06

    Tue

  • PHX–SEA, Oct 7, 2026: from $138
    07

    Wed

  • PHX–SEA, Oct 8, 2026: from $158
    08

    Thu

  • PHX–SEA, Oct 9, 2026: from $316
    09

    Fri

  • PHX–SEA, Oct 10, 2026: from $144
    10

    Sat

  • PHX–SEA, Oct 11, 2026: from $172
    11

    Sun

  • PHX–SEA, Oct 12, 2026: from $158
    12

    Mon

  • PHX–SEA, Oct 13, 2026: from $162
    13

    Tue

  • PHX–SEA, Oct 14, 2026: from $108
    14

    Wed

  • PHX–SEA, Oct 15, 2026: from $118
    15

    Thu

  • PHX–SEA, Oct 16, 2026: from $123
    16

    Fri

  • PHX–SEA, Oct 17, 2026: from $118
    17

    Sat

  • PHX–SEA, Oct 18, 2026: from $172
    18

    Sun

  • PHX–SEA, Oct 19, 2026: from $124
    19

    Mon

  • PHX–SEA, Oct 20, 2026: from $118
    20

    Tue

  • PHX–SEA: cmp-view-offers-disclaimer. Find Offers
    21

    Wed

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

    Thu

    • Range$108-$316

    *Prices found by others in the previous 48 hours for round-trip flights. Prices shown may also require membership in our travel club, Discount Den.

    Flights Deals from Phoenix, AZ to Seattle, WA on Frontier

    $
    Flights Deals from Phoenix, AZ to Seattle, WA on Frontier
    From
    To
    Phoenix, AZ (PHX)Seattle, WA (SEA)One-way
    /
    Discount Den Basic Fare    		Departing Feb 27, 2027

    From

    $80

    Last seen: 7 hours ago

    *Prices found by others in the previous 48 hours for one-way flights. Prices shown may also require membership in our travel club, Discount Den®.

    Phoenix, AZ Seattle, WA

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