Nonstop flights from Chicago to Denver
4 airlines fly from 2 Chicago airports (ORD and MDW) to Denver (DEN), with up to 28 flights a day.
Routes
2 airport pairsWhen they leave
Chicago time14 in the morning, 5:00 AM to 11:55 AM, then 12 in the afternoon, 12:15 PM to 4:25 PM, then 11 in the evening, 5:05 PM to 10:45 PM.
Every flight
Earliest firstSchedules last checked Oct 1, 2026. Times are local.
Flying from Chicago to Denver
United Airlines flies most often, 12 to 13 times a day on the Airbus A321neo, Boeing 737 and Boeing 757. Southwest Airlines flies 5 to 9 times a day on the Boeing 737 MAX 8, Boeing 737 and Boeing 737-700. American Airlines flies 6 times a day on the Airbus A319, Airbus A321, Boeing 737 and Embraer 175. Frontier Airlines flies daily on the Airbus A321neo.
Flights run every day of the week, from 25 on Saturdays to 28 on Sundays. The first arrival in Denver is at 6:39 AM and the last at 12:36 AM the next day.
ORD to DEN is the busiest airport pair, with 136 flights a week, then MDW to DEN with 49.
Flying back, Denver to Chicago has 180 nonstop flights a week.
Return flights
Schedules as of Oct 9, 2026.