Flights from Chicago, IL to Denver, CO

Promo Code

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

Oct 2026
from$138*
Last seen: 17 hours ago
One-way/Economy
Nov 2026
from$36*
Last seen: 30 mins ago
One-way/Economy
Dec 2026
from$36*
Last seen: 14 hours ago
One-way/Economy
cmp-daily-histogram-bars-legend-min-price-aria-label $36
cmp-daily-histogram-bars-legend-max-price-aria-label $186
Displaying fares for October-2026
  • ORD–DEN: cmp-view-offers-disclaimer. Find Offers
    22

    Thu

    OCT

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

    Fri

  • ORD–DEN, Oct 24, 2026: from $138
    24

    Sat

  • ORD–DEN, Oct 25, 2026: from $186
    25

    Sun

  • ORD–DEN, Oct 26, 2026: from $186
    26

    Mon

  • ORD–DEN, Oct 27, 2026: from $138
    27

    Tue

  • ORD–DEN, Oct 28, 2026: from $139
    28

    Wed

  • ORD–DEN, Oct 29, 2026: from $179
    29

    Thu

  • ORD–DEN, Oct 30, 2026: from $179
    30

    Fri

  • ORD–DEN, Oct 31, 2026: from $139
    31

    Sat

  • ORD–DEN, Nov 1, 2026: from $179
    01

    Sun

    NOV

  • ORD–DEN, Nov 2, 2026: from $179
    02

    Mon

  • ORD–DEN, Nov 3, 2026: from $139
    03

    Tue

  • ORD–DEN, Nov 4, 2026: from $139
    04

    Wed

  • ORD–DEN, Nov 5, 2026: from $159
    05

    Thu

  • ORD–DEN, Nov 6, 2026: from $159
    06

    Fri

  • ORD–DEN, Nov 7, 2026: from $119
    07

    Sat

  • ORD–DEN, Nov 8, 2026: from $159
    08

    Sun

  • ORD–DEN, Nov 9, 2026: from $47
    09

    Mon

  • ORD–DEN, Nov 10, 2026: from $36
    10

    Tue

  • ORD–DEN, Nov 11, 2026: from $36
    11

    Wed

  • ORD–DEN, Nov 12, 2026: from $47
    12

    Thu

  • ORD–DEN, Nov 13, 2026: from $36
    13

    Fri

  • ORD–DEN, Nov 14, 2026: from $36
    14

    Sat

  • ORD–DEN, Nov 15, 2026: from $45
    15

    Sun

  • ORD–DEN, Nov 16, 2026: from $63
    16

    Mon

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

    Tue

  • ORD–DEN, Nov 18, 2026: from $36
    18

    Wed

  • ORD–DEN, Nov 19, 2026: from $72
    19

    Thu

  • ORD–DEN, Nov 20, 2026: from $69
    20

    Fri

  • ORD–DEN, Nov 21, 2026: from $72
    21

    Sat

    • Range$36-$186

    *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 Jan 21, 2027

    From

    $47

    Last seen: 13 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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