Southwest® flights from Washington D.C. Reagan National to Boise from $177

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Low fares from Washington D.C. Reagan National to Boise

$

Washington D.C. Reagan National (DCA)to

Boise (BOI)
Depart: 12/08/2026

One-way

Basic

From
$177
Seen: 11 hrs ago

Washington D.C. Reagan National (DCA)to

Boise (BOI)
Depart: 11/17/2026

One-way

Basic

From
$177
Seen: 6 hrs ago

Washington D.C. Reagan National (DCA)to

Boise (BOI)
Depart: 11/11/2026

One-way

Basic

From
$207
Seen: 2 hrs ago

Washington D.C. Reagan National (DCA)to

Boise (BOI)
Depart: 11/04/2026

One-way

Basic

From
$207
Seen: 40 minutes ago

Washington D.C. Reagan National (DCA)to

Boise (BOI)
Depart: 12/08/2026

One-way

Choice

From
$232
Seen: 11 hrs ago

Washington D.C. Reagan National (DCA)to

Boise (BOI)
Depart: 11/17/2026

One-way

Choice

From
$232
Seen: 6 hrs ago

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Explore flights from Washington D.C. Reagan National to Boise

Oct 2026
From$624*
Seen: 5 hrs ago
One Way/Basic
Nov 2026
From$177*
Seen: 6 hrs ago
One Way/Basic
Dec 2026
From$177*
Seen: 11 hrs ago
One Way/Basic
cmp-daily-histogram-bars-legend-min-price-aria-label $177
cmp-daily-histogram-bars-legend-max-price-aria-label $624
Displaying fares for October-2026
  • DCA–BOI: cmp-view-offers-disclaimer. Find Offers
    25

    Sun

    OCT

  • DCA–BOI, 10/26/2026: From $624
    26

    Mon

  • DCA–BOI: cmp-view-offers-disclaimer. Find Offers
    27

    Tue

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

    Wed

  • DCA–BOI, 10/29/2026: From $624
    29

    Thu

  • DCA–BOI: cmp-view-offers-disclaimer. Find Offers
    30

    Fri

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

    Sat

  • DCA–BOI: cmp-view-offers-disclaimer. Find Offers
    01

    Sun

    NOV

  • DCA–BOI, 11/02/2026: From $250
    02

    Mon

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

    Tue

  • DCA–BOI, 11/04/2026: From $207
    04

    Wed

  • DCA–BOI: cmp-view-offers-disclaimer. Find Offers
    05

    Thu

  • DCA–BOI, 11/06/2026: From $300
    06

    Fri

  • DCA–BOI: cmp-view-offers-disclaimer. Find Offers
    07

    Sat

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

    Sun

  • DCA–BOI, 11/09/2026: From $250
    09

    Mon

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

    Tue

  • DCA–BOI, 11/11/2026: From $207
    11

    Wed

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

    Thu

  • DCA–BOI, 11/13/2026: From $250
    13

    Fri

  • DCA–BOI, 11/14/2026: From $250
    14

    Sat

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

    Sun

  • DCA–BOI, 11/16/2026: From $305
    16

    Mon

  • DCA–BOI, 11/17/2026: From $177
    17

    Tue

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

    Wed

  • DCA–BOI, 11/19/2026: From $255
    19

    Thu

  • DCA–BOI, 11/20/2026: From $325
    20

    Fri

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

    Sat

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

    Sun

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

    Mon

  • DCA–BOI: cmp-view-offers-disclaimer. Find Offers
    24

    Tue

    • Range$177-$624

    *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:
    Ronald Reagan National Airport
    Arriving at:
    Boise Airport
    Distance:
    2049 miles

    Questions we hear the most

    There are 53 weekly flights from Washington, D.C. (Reagan National) to Boise on Southwest Airlines.
    To find the lowest fares by day and time to fly Washington, D.C. (Reagan National) 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 Washington, D.C. (Reagan National) 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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