Flights from Boston to Boise from $ 295*

Promotion Code

Changed bag rules and optional services         Cruise Packages

Featured daily fares for flights from Boston (BOS) to Boise (BOI)

May 2026
From$ 1,010*
Viewed: 15 hours ago
RoundTrip|Economy
Jun 2026
From$ 295*
Viewed: 15 hours ago
RoundTrip|Economy
Jul 2026
From$ 367*
Viewed: 15 hours ago
RoundTrip|Economy
cmp-daily-histogram-bars-legend-min-price-aria-label $ 295
cmp-daily-histogram-bars-legend-max-price-aria-label $ 1.0K
Displaying fares for May-2026
  • 28

    Th

    MAY

  • 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

  • 12

    Fr

  • 13

    Sa

  • 14

    Su

  • 15

    Mo

  • 16

    Tu

  • 17

    We

  • 18

    Th

  • 19

    Fr

  • 20

    Sa

  • 21

    Su

  • 22

    Mo

  • 23

    Tu

  • 24

    We

  • 25

    Th

  • 26

    Fr

  • 27

    Sa

    • Range$ 295-$ 1,010

    *Prices have been available for round trips within the last 48 hours and may not be currently available. For Economy class, fares listed may be Basic Economy, which is our most restrictive fare option and subject to additional restrictions. Additional baggage charges and fees for other optional service may apply. Other terms and conditions may apply. Schedules are subject to change without notice.

    More United deals on Boston (BOS) to Boise (BOI) flights

    $
    keyboard_arrow_down
    More United deals on Boston (BOS) to Boise (BOI) flights
    From
    To
    Fare Type
    Dates
    Price
    Boston (BOS)Boise (BOI)Roundtrip
    |
    Economy    		06/20/26 - 06/27/26

    from

    $ 295

    Viewed: 15 hours ago

    Boston (BOS)Boise (BOI)Roundtrip
    |
    Economy    		06/24/26 - 06/27/26

    from

    $ 317

    Viewed: 15 hours ago

    Boston (BOS)Boise (BOI)Roundtrip
    |
    Economy    		08/22/26 - 08/25/26

    from

    $ 340

    Viewed: 15 hours ago

    Boston (BOS)Boise (BOI)Roundtrip
    |
    Economy    		08/21/26 - 08/25/26

    from

    $ 347

    Viewed: 15 hours ago

    Boston (BOS)Boise (BOI)Roundtrip
    |
    Economy    		08/18/26 - 08/25/26

    from

    $ 347

    Viewed: 15 hours ago

    Boston (BOS)Boise (BOI)Roundtrip
    |
    Economy    		08/22/26 - 08/26/26

    from

    $ 364

    Viewed: 15 hours ago

    Boston (BOS)Boise (BOI)Roundtrip
    |
    Economy    		08/19/26 - 08/26/26

    from

    $ 367

    Viewed: 15 hours ago

    Boston (BOS)Boise (BOI)Roundtrip
    |
    Economy    		07/04/26 - 07/07/26

    from

    $ 367

    Viewed: 15 hours ago

    *Prices have been available for round trips within the last 48 hours and may not be currently available. For Economy class, fares listed may be Basic Economy, which is our most restrictive fare option and subject to additional restrictions. Additional baggage charges and fees for other optional service may apply. Other terms and conditions may apply. Schedules are subject to change without notice.

    Explore United Airlines's Top-Pick Destinations

    Explore more United flights