Flights Chicago → Denver

One way · Economy · 1 adult · price per person · next 14 days from September 10, 2026

Last observed price on Aviasales for 2 of 15 dates; the lowest is $141. Prices are not guaranteed and are confirmed at booking time.

Last observed price by date

Date	Last observed price	Flight	Departure	Arrival	Stops
Thu, Sep 10	—	—	—	—	—
Fri, Sep 11	—	—	—	—	—
Sat, Sep 12	$170	Frontier Airlines F91483	6:30 AM O'Hare (ORD)	8:15 AM Denver (DEN)	Direct
Sun, Sep 13	—	—	—	—	—
Mon, Sep 14	—	—	—	—	—
Tue, Sep 15	—	—	—	—	—
Wed, Sep 16	—	—	—	—	—
Thu, Sep 17	—	—	—	—	—
Fri, Sep 18	—	—	—	—	—
Sat, Sep 19	—	—	—	—	—
Sun, Sep 20	—	—	—	—	—
Mon, Sep 21	—	—	—	—	—
Tue, Sep 22	—	—	—	—	—
Wed, Sep 23	—	—	—	—	—
Thu, Sep 24	$141lowest	Frontier Airlines F93135 (1st of 2 flights)	2:46 PM O'Hare (ORD)	12:15 AM (+1) Denver (DEN)	1 stop · Houston Bush Intercontinental

Price not guaranteed: it is confirmed on Aviasales at booking time. How it works

Chicago, United States (CHI, city code)

Chicago O'Hare (ORD), Chicago Midway (MDW).

Denver, United States (DEN, city code)

Denver International (DEN).

FromToDeparture date