Southwest® flights from Denver to Boise from $99

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Low fares from Denver to Boise

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Denver (DEN)to

Boise (BOI)
Depart: 01/05/2027

One-way

Basic

From
$99
Seen: 10 hrs ago

Denver (DEN)to

Boise (BOI)
Depart: 12/11/2026

One-way

Basic

From
$99
Seen: 22 hrs ago

Denver (DEN)to

Boise (BOI)
Depart: 01/09/2027

One-way

Basic

From
$99
Seen: 6 hrs ago

Denver (DEN)to

Boise (BOI)
Depart: 11/06/2026

One-way

Basic

From
$99
Seen: 6 hrs ago

Denver (DEN)to

Boise (BOI)
Depart: 11/07/2026

One-way

Basic

From
$99
Seen: 10 hrs ago

Denver (DEN)to

Boise (BOI)
Depart: 11/18/2026

One-way

Basic

From
$99
Seen: 8 hrs ago

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Explore flights from Denver to Boise

Oct 2026
From$221*
Seen: 21 hrs ago
One Way/Basic
Nov 2026
From$99*
Seen: 10 hrs ago
One Way/Basic
Dec 2026
From$99*
Seen: 2 hrs ago
One Way/Basic
cmp-daily-histogram-bars-legend-min-price-aria-label $99
cmp-daily-histogram-bars-legend-max-price-aria-label $416
Displaying fares for October-2026
  • DEN–BOI, 10/13/2026: From $416
    13

    Tue

    OCT

  • DEN–BOI: cmp-view-offers-disclaimer. Find Offers
    14

    Wed

  • DEN–BOI: cmp-view-offers-disclaimer. Find Offers
    15

    Thu

  • DEN–BOI, 10/16/2026: From $416
    16

    Fri

  • DEN–BOI, 10/17/2026: From $416
    17

    Sat

  • DEN–BOI, 10/18/2026: From $416
    18

    Sun

  • DEN–BOI: cmp-view-offers-disclaimer. Find Offers
    19

    Mon

  • DEN–BOI, 10/20/2026: From $341
    20

    Tue

  • DEN–BOI, 10/21/2026: From $341
    21

    Wed

  • DEN–BOI: cmp-view-offers-disclaimer. Find Offers
    22

    Thu

  • DEN–BOI: cmp-view-offers-disclaimer. Find Offers
    23

    Fri

  • DEN–BOI, 10/24/2026: From $341
    24

    Sat

  • DEN–BOI, 10/25/2026: From $351
    25

    Sun

  • DEN–BOI: cmp-view-offers-disclaimer. Find Offers
    26

    Mon

  • DEN–BOI, 10/27/2026: From $221
    27

    Tue

  • DEN–BOI: cmp-view-offers-disclaimer. Find Offers
    28

    Wed

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

    Thu

  • DEN–BOI, 10/30/2026: From $221
    30

    Fri

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

    Sat

  • DEN–BOI, 11/01/2026: From $221
    01

    Sun

    NOV

  • DEN–BOI, 11/02/2026: From $221
    02

    Mon

  • DEN–BOI, 11/03/2026: From $99
    03

    Tue

  • DEN–BOI, 11/04/2026: From $99
    04

    Wed

  • DEN–BOI, 11/05/2026: From $99
    05

    Thu

  • DEN–BOI, 11/06/2026: From $99
    06

    Fri

  • DEN–BOI, 11/07/2026: From $99
    07

    Sat

  • DEN–BOI: cmp-view-offers-disclaimer. Find Offers
    08

    Sun

  • DEN–BOI, 11/09/2026: From $109
    09

    Mon

  • DEN–BOI, 11/10/2026: From $99
    10

    Tue

  • DEN–BOI, 11/11/2026: From $99
    11

    Wed

  • DEN–BOI, 11/12/2026: From $109
    12

    Thu

    • Range$99-$416

    *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:
    Denver International Airport
    Arriving at:
    Boise Airport
    Average flight time:
    1 hour 56 minutes
    Distance:
    649 miles

    Questions we hear the most

    The average flight time from Denver to Boise is 1 hour 56 minutes.
    There are 134 weekly flights from Denver to Boise on Southwest Airlines.
    Yes, Southwest flies nonstop from Denver to Boise 3 times per day from Monday through Friday.
    Yes, Southwest flies nonstop from Denver to Boise 3 times per day on Saturdays and Sundays.
    To find the lowest fares by day and time to fly Denver 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 Denver 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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