Southwest® flights from Portland, OR to Boise from $124

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Low fares from Portland, OR to Boise

$

Portland, OR (PDX)to

Boise (BOI)
Depart: 12/16/2026

One-way

Basic

From
$124
Seen: 2 hrs ago

Portland, OR (PDX)to

Boise (BOI)
Depart: 11/20/2026

One-way

Basic

From
$124
Seen: 9 hrs ago

Portland, OR (PDX)to

Boise (BOI)
Depart: 11/19/2026

One-way

Basic

From
$124
Seen: 1 hour ago

Portland, OR (PDX)to

Boise (BOI)
Depart: 11/14/2026

One-way

Basic

From
$124
Seen: 6 hrs ago

Portland, OR (PDX)to

Boise (BOI)
Depart: 11/11/2026

One-way

Basic

From
$124
Seen: 5 hrs ago

Portland, OR (PDX)to

Boise (BOI)
Depart: 12/31/2026

One-way

Basic

From
$129
Seen: 16 hrs ago

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Explore flights from Portland, OR to Boise

Oct 2026
From$199*
Seen: 4 hrs ago
One Way/Basic
Nov 2026
From$124*
Seen: 9 hrs ago
One Way/Basic
Dec 2026
From$124*
Seen: 2 hrs ago
One Way/Basic
cmp-daily-histogram-bars-legend-min-price-aria-label $124
cmp-daily-histogram-bars-legend-max-price-aria-label $264
Displaying fares for October-2026
  • PDX–BOI, 10/20/2026: From $244
    20

    Tue

    OCT

  • PDX–BOI, 10/21/2026: From $244
    21

    Wed

  • PDX–BOI, 10/22/2026: From $254
    22

    Thu

  • PDX–BOI, 10/23/2026: From $254
    23

    Fri

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    24

    Sat

  • PDX–BOI, 10/25/2026: From $264
    25

    Sun

  • PDX–BOI, 10/26/2026: From $244
    26

    Mon

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    27

    Tue

  • PDX–BOI, 10/28/2026: From $244
    28

    Wed

  • PDX–BOI: cmp-view-offers-disclaimer. Find Offers
    29

    Thu

  • PDX–BOI, 10/30/2026: From $199
    30

    Fri

  • PDX–BOI: cmp-view-offers-disclaimer. Find Offers
    31

    Sat

  • PDX–BOI, 11/01/2026: From $209
    01

    Sun

    NOV

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    02

    Mon

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    03

    Tue

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    04

    Wed

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    05

    Thu

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    06

    Fri

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    07

    Sat

  • PDX–BOI, 11/08/2026: From $209
    08

    Sun

  • PDX–BOI: cmp-view-offers-disclaimer. Find Offers
    09

    Mon

  • PDX–BOI, 11/10/2026: From $129
    10

    Tue

  • PDX–BOI, 11/11/2026: From $124
    11

    Wed

  • PDX–BOI, 11/12/2026: From $129
    12

    Thu

  • PDX–BOI, 11/13/2026: From $130
    13

    Fri

  • PDX–BOI, 11/14/2026: From $124
    14

    Sat

  • PDX–BOI, 11/15/2026: From $145
    15

    Sun

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    16

    Mon

  • PDX–BOI: cmp-view-offers-disclaimer. Find Offers
    17

    Tue

  • PDX–BOI: cmp-view-offers-disclaimer. Find Offers
    18

    Wed

  • PDX–BOI, 11/19/2026: From $124
    19

    Thu

    • Range$124-$264

    *Fares displayed have been collected within the last 24 hours and may no longer be available at time of booking. Additional fees and charges for optional products and services may apply. Modifying this information may result in a different fare. To find the most updated fare, please visit Southwest.com. Fares listed are Basic, which are subject to additional terms and conditions.

    Flight Details

    Departing from:
    Portland International Airport
    Arriving at:
    Boise Airport
    Distance:
    344 miles

    Questions we hear the most

    There are 98 weekly flights from Portland, OR to Boise on Southwest Airlines.
    To find the lowest fares by day and time to fly Portland, OR to Boise with Southwest, check out our Low Fare Calendar.
    You can rent a car at Boise Airport book yours with your flight.
    Yes! Flights from Portland, OR to Boise—or from here or there to anywhere—can be changed with no change fees. Fare difference may apply.
    Check the status of your upcoming Southwest flight.
    Check out the Southwest Airlines® Help Center for answers about everything Southwest.

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