Southwest® flights from Baltimore/Washington to Boise from $177

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Low fares from Baltimore/Washington to Boise

$

Baltimore/Washington (BWI)to

Boise (BOI)
Depart: 01/07/2027

One-way

Basic

From
$177
Seen: 17 hrs ago

Baltimore/Washington (BWI)to

Boise (BOI)
Depart: 01/12/2027

One-way

Basic

From
$177
Seen: 15 hrs ago

Baltimore/Washington (BWI)to

Boise (BOI)
Depart: 01/13/2027

One-way

Basic

From
$177
Seen: 17 hrs ago

Baltimore/Washington (BWI)to

Boise (BOI)
Depart: 01/21/2027

One-way

Basic

From
$177
Seen: 7 hrs ago

Baltimore/Washington (BWI)to

Boise (BOI)
Depart: 01/15/2027

One-way

Basic

From
$205
Seen: 8 hrs ago

Baltimore/Washington (BWI)to

Boise (BOI)
Depart: 12/06/2026

One-way

Basic

From
$219
Seen: 23 hrs ago

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Explore flights from Baltimore/Washington to Boise

Nov 2026
From$309*
Seen: 18 hrs ago
One Way/Basic
Dec 2026
From$219*
Seen: 23 hrs ago
One Way/Basic
Jan 2027
From$177*
Seen: 15 hrs ago
One Way/Basic
cmp-daily-histogram-bars-legend-min-price-aria-label $219
cmp-daily-histogram-bars-legend-max-price-aria-label $535
Displaying fares for November-2026
  • BWI–BOI: cmp-view-offers-disclaimer. Find Offers
    13

    Fri

    NOV

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

    Sat

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

    Sun

  • BWI–BOI: cmp-view-offers-disclaimer. Find Offers
    16

    Mon

  • BWI–BOI, 11/17/2026: From $309
    17

    Tue

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

    Wed

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

    Thu

  • BWI–BOI: cmp-view-offers-disclaimer. Find Offers
    20

    Fri

  • BWI–BOI: cmp-view-offers-disclaimer. Find Offers
    21

    Sat

  • BWI–BOI, 11/22/2026: From $397
    22

    Sun

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

    Mon

  • BWI–BOI, 11/24/2026: From $357
    24

    Tue

  • BWI–BOI, 11/25/2026: From $333
    25

    Wed

  • BWI–BOI, 11/26/2026: From $329
    26

    Thu

  • BWI–BOI, 11/27/2026: From $402
    27

    Fri

  • BWI–BOI, 11/28/2026: From $535
    28

    Sat

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

    Sun

  • BWI–BOI, 11/30/2026: From $480
    30

    Mon

  • BWI–BOI, 12/01/2026: From $338
    01

    Tue

    DEC

  • BWI–BOI: cmp-view-offers-disclaimer. Find Offers
    02

    Wed

  • BWI–BOI: cmp-view-offers-disclaimer. Find Offers
    03

    Thu

  • BWI–BOI: cmp-view-offers-disclaimer. Find Offers
    04

    Fri

  • BWI–BOI, 12/05/2026: From $250
    05

    Sat

  • BWI–BOI, 12/06/2026: From $219
    06

    Sun

  • BWI–BOI, 12/07/2026: From $250
    07

    Mon

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

    Tue

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

    Wed

  • BWI–BOI: cmp-view-offers-disclaimer. Find Offers
    10

    Thu

  • BWI–BOI: cmp-view-offers-disclaimer. Find Offers
    11

    Fri

  • BWI–BOI: cmp-view-offers-disclaimer. Find Offers
    12

    Sat

    • Range$219-$535

    *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:
    Balt./Wash. International Airport
    Arriving at:
    Boise Airport
    Distance:
    2059 miles

    Questions we hear the most

    There are 127 weekly flights from Baltimore/Washington to Boise on Southwest Airlines.
    To find the lowest fares by day and time to fly Baltimore/Washington 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 Baltimore/Washington 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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