Alaska Airlines Flights from Houston to Seattle

Lowest fares from Houston to Seattle

Aug 2026
From$213*
Seen: 1 day ago
Flight Type One Way|Saver
Sep 2026
From$199*
Seen: 1 day ago
Flight Type One Way|Saver
Oct 2026
From$199*
Seen: 1 day ago
Flight Type One Way|Saver
cmp-daily-histogram-bars-legend-min-price-aria-label $204
cmp-daily-histogram-bars-legend-max-price-aria-label $639
Displaying fares for August-2026
  • IAH–SEA, Aug 8, 2026: From $479
    08

    Sa

    AUG

  • IAH–SEA, Aug 9, 2026: From $639
    09

    Su

  • IAH–SEA, Aug 10, 2026: From $479
    10

    Mo

  • IAH–SEA: cmp-view-offers-disclaimer. Find Offers
    11

    Tu

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    12

    We

  • IAH–SEA, Aug 13, 2026: From $404
    13

    Th

  • IAH–SEA, Aug 14, 2026: From $404
    14

    Fr

  • IAH–SEA, Aug 15, 2026: From $404
    15

    Sa

  • IAH–SEA, Aug 16, 2026: From $404
    16

    Su

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    17

    Mo

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    18

    Tu

  • IAH–SEA, Aug 19, 2026: From $399
    19

    We

  • IAH–SEA, Aug 20, 2026: From $309
    20

    Th

  • IAH–SEA, Aug 21, 2026: From $309
    21

    Fr

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    22

    Sa

  • IAH–SEA, Aug 23, 2026: From $309
    23

    Su

  • IAH–SEA, Aug 24, 2026: From $309
    24

    Mo

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    25

    Tu

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    26

    We

  • IAH–SEA, Aug 27, 2026: From $223
    27

    Th

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    28

    Fr

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    29

    Sa

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    30

    Su

  • IAH–SEA, Aug 31, 2026: From $213
    31

    Mo

  • IAH–SEA, Sep 1, 2026: From $213
    01

    Tu

    SEP

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    02

    We

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    03

    Th

  • IAH–SEA, Sep 4, 2026: From $339
    04

    Fr

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    05

    Sa

  • IAH–SEA, Sep 6, 2026: From $204
    06

    Su

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    07

    Mo

    • Range$204-$639

    *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.*

    $
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    One-way low-fare flights Houston to Seattle.*
    From
    To
    Fare Type
    Dates
    Price
    Houston (IAH)Seattle (SEA)One-way
    |
    Saver    		Depart: Dec 25, 2026

    From

    $194

    Seen: 1 day ago

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

    From

    $199

    Seen: 1 day ago

    Houston (IAH)Seattle (SEA)One-way
    |
    Saver    		Depart: Oct 13, 2026

    From

    $199

    Seen: 1 day ago

    Houston (IAH)Seattle (SEA)One-way
    |
    Saver    		Depart: Oct 17, 2026

    From

    $199

    Seen: 1 day ago

    Houston (IAH)Seattle (SEA)One-way
    |
    Saver    		Depart: Sep 23, 2026

    From

    $199

    Seen: 1 day ago

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

    From

    $199

    Seen: 1 day ago

    Houston (IAH)Seattle (SEA)One-way
    |
    Saver    		Depart: Sep 12, 2026

    From

    $199

    Seen: 1 day ago

    Houston (IAH)Seattle (SEA)One-way
    |
    Saver    		Depart: Sep 29, 2026

    From

    $199

    Seen: 8 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.

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