Alaska Airlines Flights from Seattle to Billings

Lowest fares from Seattle to Billings

Aug 2026
From$194*
Seen: 22 hours ago
Flight Type One Way|Saver
Sep 2026
From$144*
Seen: 22 hours ago
Flight Type One Way|Saver
Oct 2026
From$144*
Seen: 22 hours ago
Flight Type One Way|Saver
cmp-daily-histogram-bars-legend-min-price-aria-label $149
cmp-daily-histogram-bars-legend-max-price-aria-label $499
Displaying fares for August-2026
  • SEA–BIL, Aug 9, 2026: From $419
    09

    Su

    AUG

  • SEA–BIL, Aug 10, 2026: From $374
    10

    Mo

  • SEA–BIL, Aug 11, 2026: From $374
    11

    Tu

  • SEA–BIL, Aug 12, 2026: From $374
    12

    We

  • SEA–BIL, Aug 13, 2026: From $374
    13

    Th

  • SEA–BIL, Aug 14, 2026: From $309
    14

    Fr

  • SEA–BIL, Aug 15, 2026: From $309
    15

    Sa

  • SEA–BIL, Aug 16, 2026: From $374
    16

    Su

  • SEA–BIL, Aug 17, 2026: From $309
    17

    Mo

  • SEA–BIL, Aug 18, 2026: From $309
    18

    Tu

  • SEA–BIL, Aug 19, 2026: From $309
    19

    We

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

    Th

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

    Fr

  • SEA–BIL, Aug 22, 2026: From $499
    22

    Sa

  • SEA–BIL, Aug 23, 2026: From $419
    23

    Su

  • SEA–BIL, Aug 24, 2026: From $259
    24

    Mo

  • SEA–BIL, Aug 25, 2026: From $224
    25

    Tu

  • SEA–BIL, Aug 26, 2026: From $224
    26

    We

  • SEA–BIL, Aug 27, 2026: From $254
    27

    Th

  • SEA–BIL, Aug 28, 2026: From $194
    28

    Fr

  • SEA–BIL, Aug 29, 2026: From $194
    29

    Sa

  • SEA–BIL, Aug 30, 2026: From $206
    30

    Su

  • SEA–BIL, Aug 31, 2026: From $194
    31

    Mo

  • SEA–BIL, Sep 1, 2026: From $194
    01

    Tu

    SEP

  • SEA–BIL, Sep 2, 2026: From $194
    02

    We

  • SEA–BIL, Sep 3, 2026: From $194
    03

    Th

  • SEA–BIL, Sep 4, 2026: From $309
    04

    Fr

  • SEA–BIL, Sep 5, 2026: From $194
    05

    Sa

  • SEA–BIL, Sep 6, 2026: From $149
    06

    Su

  • SEA–BIL, Sep 7, 2026: From $224
    07

    Mo

  • SEA–BIL, Sep 8, 2026: From $209
    08

    Tu

    • Range$149-$499

    *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 Seattle to Billings.*

    $
    keyboard_arrow_down
    One-way low-fare flights Seattle to Billings.*
    From
    To
    Fare Type
    Dates
    Price
    Seattle (SEA)Billings (BIL)One-way
    |
    Saver    		Depart: Oct 20, 2026

    From

    $144

    Seen: 22 hours ago

    Seattle (SEA)Billings (BIL)One-way
    |
    Saver    		Depart: Sep 9, 2026

    From

    $144

    Seen: 22 hours ago

    Seattle (SEA)Billings (BIL)One-way
    |
    Saver    		Depart: Sep 30, 2026

    From

    $144

    Seen: 22 hours ago

    Seattle (SEA)Billings (BIL)One-way
    |
    Saver    		Depart: Oct 13, 2026

    From

    $144

    Seen: 22 hours ago

    Seattle (SEA)Billings (BIL)One-way
    |
    Saver    		Depart: Dec 8, 2026

    From

    $144

    Seen: 22 hours ago

    Seattle (SEA)Billings (BIL)One-way
    |
    Saver    		Depart: Dec 2, 2026

    From

    $144

    Seen: 22 hours ago

    Seattle (SEA)Billings (BIL)One-way
    |
    Saver    		Depart: Dec 15, 2026

    From

    $144

    Seen: 22 hours ago

    Seattle (SEA)Billings (BIL)One-way
    |
    Saver    		Depart: Sep 26, 2026

    From

    $144

    Seen: 22 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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