Flights from Boise, ID to Chicago, IL

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

Sep 2026
from$188*
Last seen: 16 hours ago
One-way/Economy
Oct 2026
from$149*
Last seen: 12 hours ago
One-way/Economy
Nov 2026
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cmp-daily-histogram-bars-legend-min-price-aria-label $188
Displaying fares for September-2026
  • BOI–ORD: cmp-view-offers-disclaimer. Find Offers
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  • BOI–ORD, Sep 24, 2026: from $188
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    • Range$188

    *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

    $
    Flights Deals from Boise, ID to Chicago, IL on Frontier
    From
    To
    Boise, ID (BOI)Chicago, IL (ORD)One-way
    /
    Discount Den Basic Fare    		Departing Dec 19, 2026

    From

    $275

    Last seen: 18 hours ago

    *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

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