Flights from Boise, ID to Chicago, IL

Promo Code

Best Deals on Flights From Boise, ID (BOI) to Chicago, IL (ORD)

Nov 2026
from$139*
Last seen: 1 hour ago
One-way/Economy
Dec 2026
from$159*
Last seen: 21 hours ago
One-way/Economy
Jan 2027
No results for this month.
cmp-daily-histogram-bars-legend-min-price-aria-label $139
Displaying fares for November-2026
  • BOI–ORD: cmp-view-offers-disclaimer. Find Offers
    04

    Wed

    NOV

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

    Thu

  • BOI–ORD: cmp-view-offers-disclaimer. Find Offers
    06

    Fri

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

    Sat

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

    Sun

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

    Mon

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

    Tue

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

    Wed

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

    Thu

  • BOI–ORD: cmp-view-offers-disclaimer. Find Offers
    13

    Fri

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

    Sat

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

    Sun

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

    Mon

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

    Tue

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

    Wed

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

    Thu

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

    Fri

  • BOI–ORD, Nov 21, 2026: from $139
    21

    Sat

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

    Sun

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

    Mon

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

    Tue

  • BOI–ORD: cmp-view-offers-disclaimer. Find Offers
    25

    Wed

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

    Thu

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

    Fri

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

    Sat

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

    Sun

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

    Mon

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

    Tue

    DEC

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

    Wed

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

    Thu

    • Range$139

    *Prices found by others in the previous 48 hours for round-trip flights. Prices shown may also require membership in our travel club, Discount Den.

    Flights Deals from Boise, ID to Chicago, IL on Frontier

    $
    *Prices found by others in the previous 48 hours for one-way flights. Prices shown may also require membership in our travel club, Discount Den®.

    Boise, ID Chicago, IL

    Barclays Badge

    Earn up to 60,000 Miles after qualifying activity. Terms apply.