Alaska Airlines Flights from Billings to Portland

Lowest fares from Billings to Portland

May 2026
From$209*
Seen: 21 hours ago
Flight Type One Way|Saver
Jun 2026
From$184*
Seen: 21 hours ago
Flight Type One Way|Saver
Jul 2026
From$184*
Seen: 21 hours ago
Flight Type One Way|Saver
cmp-daily-histogram-bars-legend-min-price-aria-label $184
cmp-daily-histogram-bars-legend-max-price-aria-label $494
Displaying fares for May-2026
  • 12

    Tu

    MAY

  • 13

    We

  • 14

    Th

  • 15

    Fr

  • 16

    Sa

  • 17

    Su

  • 18

    Mo

  • 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

    • Range$184-$494

    *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 Billings to Portland.*

    $
    keyboard_arrow_down
    One-way low-fare flights Billings to Portland.*
    From
    To
    Fare Type
    Dates
    Price
    Billings (BIL)Portland (PDX)One-way
    |
    Saver    		Depart: Aug 23, 2026

    From

    $184

    Seen: 21 hours ago

    Billings (BIL)Portland (PDX)One-way
    |
    Saver    		Depart: Aug 26, 2026

    From

    $184

    Seen: 21 hours ago

    Billings (BIL)Portland (PDX)One-way
    |
    Saver    		Depart: Aug 28, 2026

    From

    $184

    Seen: 21 hours ago

    Billings (BIL)Portland (PDX)One-way
    |
    Saver    		Depart: Sep 8, 2026

    From

    $184

    Seen: 21 hours ago

    Billings (BIL)Portland (PDX)One-way
    |
    Saver    		Depart: Sep 14, 2026

    From

    $184

    Seen: 21 hours ago

    Billings (BIL)Portland (PDX)One-way
    |
    Saver    		Depart: Sep 16, 2026

    From

    $184

    Seen: 21 hours ago

    Billings (BIL)Portland (PDX)One-way
    |
    Saver    		Depart: Sep 28, 2026

    From

    $184

    Seen: 21 hours ago

    Billings (BIL)Portland (PDX)One-way
    |
    Saver    		Depart: Oct 13, 2026

    From

    $184

    Seen: 21 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