Alaska Airlines Flights from Houston to Seattle

Lowest fares from Houston to Seattle

May 2026
From$384*
Seen: 1 day ago
Flight Type One Way|Saver
Jun 2026
From$219*
Seen: 15 hours ago
Flight Type One Way|Saver
Jul 2026
From$229*
Seen: 10 hours ago
Flight Type One Way|Saver
cmp-daily-histogram-bars-legend-min-price-aria-label $219
cmp-daily-histogram-bars-legend-max-price-aria-label $724
Displaying fares for May-2026
  • 19

    Tu

    MAY

  • 20

    We

  • 21

    Th

  • 22

    Fr

  • 23

    Sa

  • 24

    Su

  • 25

    Mo

  • 26

    Tu

  • 27

    We

  • 28

    Th

  • 29

    Fr

  • 30

    Sa

  • 31

    Su

  • 01

    Mo

    JUN

  • 02

    Tu

  • 03

    We

  • 04

    Th

  • 05

    Fr

  • 06

    Sa

  • 07

    Su

  • 08

    Mo

  • 09

    Tu

  • 10

    We

  • 11

    Th

  • 12

    Fr

  • 13

    Sa

  • 14

    Su

  • 15

    Mo

  • 16

    Tu

  • 17

    We

  • 18

    Th

    • Range$219-$724

    *Displayed prices have been available within the past 24 hours and may not be available at the time of booking. Fares listed may be Saver fares, which is our most restrictive fare option and subject to additional restrictions. For roundtrip journeys, the price displayed—available within the past 24 hours—is the aggregate of the lowest available fare each way. Additional baggage charges and fees for optional products and services may apply. Other terms and conditions may apply.

    One-way low-fare flights Houston to Seattle.*

    $
    keyboard_arrow_down
    One-way low-fare flights Houston to Seattle.*
    From
    To
    Fare Type
    Dates
    Price
    Houston (IAH)Seattle (SEA)One-way
    |
    Saver    		Depart: Jun 28, 2026

    From

    $229

    Seen: 1 day ago

    Houston (IAH)Seattle (SEA)One-way
    |
    Saver    		Depart: Jul 11, 2026

    From

    $229

    Seen: 1 day ago

    Houston (IAH)Seattle (SEA)One-way
    |
    Saver    		Depart: Jun 9, 2026

    From

    $219

    Seen: 15 hours ago

    Houston (IAH)Seattle (SEA)One-way
    |
    Saver    		Depart: Jul 25, 2026

    From

    $229

    Seen: 23 hours ago

    Houston (IAH)Seattle (SEA)One-way
    |
    Saver    		Depart: Oct 22, 2026

    From

    $229

    Seen: 13 hours ago

    Houston (IAH)Seattle (SEA)One-way
    |
    Saver    		Depart: Jun 14, 2026

    From

    $229

    Seen: 1 day ago

    Houston (IAH)Seattle (SEA)One-way
    |
    Saver    		Depart: Aug 20, 2026

    From

    $229

    Seen: 17 hours ago

    Houston (IAH)Seattle (SEA)One-way
    |
    Saver    		Depart: Jun 8, 2026

    From

    $229

    Seen: 17 hours ago

    *Displayed prices have been available within the past 24 hours and may not be available at the time of booking. Fares listed may be Saver fares, which is our most restrictive fare option and subject to additional restrictions. For roundtrip journeys, the price displayed—available within the past 24 hours—is the aggregate of the lowest available fare each way. Additional baggage charges and fees for optional products and services may apply. Other terms and conditions may apply.

    Looking for more? See other routes