Alaska Airlines Flights from Boise to Seattle

Lowest fares from Boise to Seattle

May 2026
From$214*
Seen: 7 hours ago
Flight Type One Way|Saver
Jun 2026
From$119*
Seen: 7 hours ago
Flight Type One Way|Saver
Jul 2026
From$179*
Seen: 7 hours ago
Flight Type One Way|Saver
cmp-daily-histogram-bars-legend-min-price-aria-label $119
cmp-daily-histogram-bars-legend-max-price-aria-label $319
Displaying fares for May-2026
  • 18

    Mo

    MAY

  • 19

    Tu

  • 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

    • Range$119-$319

    *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 Boise to Seattle.*

    $
    keyboard_arrow_down
    One-way low-fare flights Boise to Seattle.*
    From
    To
    Fare Type
    Dates
    Price
    Boise (BOI)Seattle (SEA)One-way
    |
    Saver    		Depart: Jun 9, 2026

    From

    $119

    Seen: 7 hours ago

    Boise (BOI)Seattle (SEA)One-way
    |
    Saver    		Depart: Jun 8, 2026

    From

    $129

    Seen: 7 hours ago

    Boise (BOI)Seattle (SEA)One-way
    |
    Saver    		Depart: Jun 7, 2026

    From

    $164

    Seen: 7 hours ago

    Boise (BOI)Seattle (SEA)One-way
    |
    Saver    		Depart: Aug 14, 2026

    From

    $179

    Seen: 7 hours ago

    Boise (BOI)Seattle (SEA)One-way
    |
    Saver    		Depart: Jun 27, 2026

    From

    $179

    Seen: 7 hours ago

    Boise (BOI)Seattle (SEA)One-way
    |
    Saver    		Depart: Jul 6, 2026

    From

    $179

    Seen: 7 hours ago

    Boise (BOI)Seattle (SEA)One-way
    |
    Saver    		Depart: Jul 14, 2026

    From

    $179

    Seen: 7 hours ago

    Boise (BOI)Seattle (SEA)One-way
    |
    Saver    		Depart: Jul 16, 2026

    From

    $179

    Seen: 7 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

    Explore Alaska Airlines's Flights to Top-Pick Destinations