Flights from Chicago, IL to Denver, CO

Promo Code

Best Deals on Flights From Chicago, IL (ORD) to Denver, CO (DEN)

Try alternate month or interact with individual days below in order to find offers.
Aug 2026
No results for this month.
Sep 2026
from$85*
Last seen: 4 hours ago
One-way/Economy
Oct 2026
from$53*
Last seen: 15 hours ago
One-way/Economy
cmp-daily-histogram-bars-legend-min-price-aria-label $85
cmp-daily-histogram-bars-legend-max-price-aria-label $169
Displaying fares for August-2026
  • ORD–DEN: cmp-view-offers-disclaimer. Find Offers
    30

    Sun

    AUG

  • ORD–DEN: cmp-view-offers-disclaimer. Find Offers
    31

    Mon

  • ORD–DEN, Sep 1, 2026: from $138
    01

    Tue

    SEP

  • ORD–DEN, Sep 2, 2026: from $138
    02

    Wed

  • ORD–DEN, Sep 3, 2026: from $159
    03

    Thu

  • ORD–DEN, Sep 4, 2026: from $159
    04

    Fri

  • ORD–DEN, Sep 5, 2026: from $138
    05

    Sat

  • ORD–DEN, Sep 6, 2026: from $136
    06

    Sun

  • ORD–DEN, Sep 7, 2026: from $169
    07

    Mon

  • ORD–DEN, Sep 8, 2026: from $149
    08

    Tue

  • ORD–DEN, Sep 9, 2026: from $100
    09

    Wed

  • ORD–DEN, Sep 10, 2026: from $100
    10

    Thu

  • ORD–DEN, Sep 11, 2026: from $136
    11

    Fri

  • ORD–DEN, Sep 12, 2026: from $123
    12

    Sat

  • ORD–DEN, Sep 13, 2026: from $128
    13

    Sun

  • ORD–DEN, Sep 14, 2026: from $129
    14

    Mon

  • ORD–DEN, Sep 15, 2026: from $116
    15

    Tue

  • ORD–DEN, Sep 16, 2026: from $116
    16

    Wed

  • ORD–DEN, Sep 17, 2026: from $129
    17

    Thu

  • ORD–DEN, Sep 18, 2026: from $129
    18

    Fri

  • ORD–DEN, Sep 19, 2026: from $129
    19

    Sat

  • ORD–DEN, Sep 20, 2026: from $110
    20

    Sun

  • ORD–DEN, Sep 21, 2026: from $86
    21

    Mon

  • ORD–DEN, Sep 22, 2026: from $86
    22

    Tue

  • ORD–DEN, Sep 23, 2026: from $86
    23

    Wed

  • ORD–DEN, Sep 24, 2026: from $94
    24

    Thu

  • ORD–DEN, Sep 25, 2026: from $85
    25

    Fri

  • ORD–DEN, Sep 26, 2026: from $86
    26

    Sat

  • ORD–DEN, Sep 27, 2026: from $102
    27

    Sun

  • ORD–DEN, Sep 28, 2026: from $86
    28

    Mon

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

    Tue

    • Range$85-$169

    *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 Chicago, IL to Denver, CO on Frontier

    $
    Flights Deals from Chicago, IL to Denver, CO on Frontier
    From
    To
    Chicago, IL (ORD)Denver, CO (DEN)One-way
    /
    Discount Den Basic Fare    		Departing Dec 13, 2026

    From

    $78

    Last seen: 14 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®.

    Chicago, IL Denver, CO

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