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Cheap flights from Chicago to Denver

37 nonstop flights a week, 5 of them today. Operated by 4 airlines, about 2h 50m in the air, 918 mi (1,477 km). Tickets from $55.

Flights from Chicago to Denver

Pick a departure date to see flights and seller prices

We search agencies and airlines for your day: nonstop and connecting flights, baggage, departure and arrival times.

Prices by day: Chicago to Denver

Lowest one-way price in dollars from recent searches, cheap days in green. Press a day to see flights and exact prices.

Filters

Best fares from Chicago to Denver

Lowest one-way prices found by recent searches for the next 120 days; press a card to search that date

Cheapest one-way $55 16 December 2026, nonstop Cheapest nonstop $55 16 December 2026, Frontier Airlines Cheapest in the next 7 days $146 14 November, Sat Cheapest weekend departure $108 Sat, 28 November 2026
Cheapest day of the week Wednesday $93 on average over the next 120 days
Cheapest month December 2026 tickets from $55

Chicago to Denver at a glance

flight time, from 2h 35m to 9h 45m
2h 50m
straight-line distance
918 mi (1,477 km)
flights a week
37
flights today
5
first and last departure
05:00 - 07:00
lowest price, nonstop, 16 December
$55
average across months
$83
airlines
4

Chicago to Denver ticket prices by month

Lowest one-way fare found by recent searches

Cheapest month: December 2026, tickets from $55. Prices come from searches over the last few days; check the search for your exact date.

The most expensive month is November 2026: from $108. The average across months is $83.

Chicago to Denver flight schedule

37 flights a week, 5 today, 46 seasonal or one-off. Departure and arrival times are local.

FlightDepartsArrivesDurationDaysAircraft
UA 2455
United Airlines
05:00 , terminal 1
12:12 Denver International
8h 12m
Daily
Boeing 737-900
WN 2927
Southwest Airlines
05:55 Chicago Midway International
07:45 Denver International
2h 50m
Mon, Thu, Fri, Sat, Sun
WN 2922
Southwest Airlines
06:05 Chicago Midway International
08:00 Denver International
2h 55m
Mon, Tue, Wed, Thu
Boeing 737
F9 1483
Frontier Airlines
06:30 , terminal 5
08:26 Denver International
2h 56m
Daily
Airbus A320
AA 4102
American Airlines
06:40 , terminal 3
08:40 Denver International
3h
Daily
Embraer EMB 175
F9 1483
Frontier Airlines
06:40 , terminal 5
08:36 Denver International
2h 56m
Mon, Fri, Sat, Sun
Airbus A320 NEO
UA 1217
United Airlines
07:00 , terminal 1
08:46 Denver International
2h 46m
Daily
Airbus A320

Seasonal and one-off flights

Not operating in the next two weeks. The first of them is on 24 November.

FlightDepartsArrivesDurationDaysAircraft
WN 2927
Southwest Airlines
06:00 Chicago Midway International
07:45 Denver International
2h 45m
Seasonal
Boeing 737-800
WN 2927
Southwest Airlines
05:30 Chicago Midway International
07:15 Denver International
2h 45m
Seasonal
UA 1217
United Airlines
06:59 , terminal 1
08:45 Denver International
2h 46m
Seasonal
Airbus A320
WN 2927
Southwest Airlines
05:05 Chicago Midway International
06:50 Denver International
2h 45m
Seasonal
Boeing 737-800
WN 2928
Southwest Airlines
07:25 Chicago Midway International
09:10 Denver International
2h 45m
Seasonal
UA 1218
United Airlines
00:01 , terminal 1
01:53 Denver International
2h 52m
Seasonal
Airbus A320
F9 1483
Frontier Airlines
07:00 , terminal 5
09:02 Denver International
3h 2m
Seasonal
Airbus A320 NEO
UA 1006
United Airlines
07:20 , terminal 1
14:55 Denver International
8h 35m
Seasonal
Airbus A320
AA 3747
American Airlines
06:40 , terminal 3
08:44 Denver International
3h 4m
Seasonal
Embraer EMB 175
WN 2927
Southwest Airlines
06:05 Chicago Midway International
07:55 Denver International
2h 50m
Seasonal
Boeing 737
F9 1483
Frontier Airlines
07:25 , terminal 5
09:34 Denver International
3h 9m
Seasonal
Airbus A320 NEO
AA 3747
American Airlines
06:47 , terminal 3
08:51 Denver International
3h 4m
Seasonal
Embraer EMB 175
UA 1758
United Airlines
05:59 , terminal 1
10:35 Denver International
5h 36m
Seasonal
Airbus A319
UA 616
United Airlines
06:50 , terminal 1
08:43 Denver International
2h 53m
Seasonal
Airbus A320
AA 3533
American Airlines
06:59 , terminal 3
09:03 Denver International
3h 4m
Seasonal
Embraer EMB 175
UA 1006
United Airlines
07:15 , terminal 1
14:40 Denver International
8h 25m
Seasonal
Boeing 737-900
AA 3533
American Airlines
07:01 , terminal 3
09:05 Denver International
3h 4m
Seasonal
Embraer EMB 175
UA 1006
United Airlines
07:10 , terminal 1
14:40 Denver International
8h 30m
Seasonal
Airbus A320
F9 3171
Frontier Airlines
06:21 , terminal 5
08:21 Denver International
3h
Seasonal
Airbus A320
WN 1434
Southwest Airlines
06:10 Chicago Midway International
08:00 Denver International
2h 50m
Seasonal
Boeing 737
AA 2686
American Airlines
06:30 , terminal 3
08:26 Denver International
2h 56m
Seasonal
Boeing 737-800
WN 1434
Southwest Airlines
06:25 Chicago Midway International
08:15 Denver International
2h 50m
Seasonal
Boeing 737
WN 1434
Southwest Airlines
05:55 Chicago Midway International
07:45 Denver International
2h 50m
Seasonal
WN 367
Southwest Airlines
05:50 Chicago Midway International
07:40 Denver International
2h 50m
Seasonal
AA 3228
American Airlines
06:10 , terminal 3
08:00 Denver International
2h 50m
Seasonal
Boeing 737
UA 2838
United Airlines
07:00 , terminal 1
12:45 Denver International
6h 45m
Seasonal
Airbus A320
UA 1217
United Airlines
07:15 , terminal 1
08:55 Denver International
2h 40m
Seasonal
Boeing 757-300
UA 1006
United Airlines
07:16 , terminal 1
14:30 Denver International
8h 14m
Seasonal
Airbus A320
WN 367
Southwest Airlines
05:45 Chicago Midway International
07:35 Denver International
2h 50m
Seasonal
UA 2806
United Airlines
06:00 , terminal 1
07:42 Denver International
2h 42m
Seasonal
Boeing 737-900
WN 2857
Southwest Airlines
05:10 Chicago Midway International
06:50 Denver International
2h 40m
Seasonal
WN 2650
Southwest Airlines
06:00 Chicago Midway International
07:45 Denver International
2h 45m
Seasonal
WN 2857
Southwest Airlines
06:00 Chicago Midway International
07:45 Denver International
2h 45m
Seasonal
Boeing 737
WN 2857
Southwest Airlines
05:50 Chicago Midway International
07:35 Denver International
2h 45m
Seasonal
Boeing 737
UA 2666
United Airlines
05:00 , terminal 1
06:42 Denver International
2h 42m
Seasonal
Boeing 737-900
WN 2844
Southwest Airlines
06:30 Chicago Midway International
08:10 Denver International
2h 40m
Seasonal
Boeing 737
WN 705
Southwest Airlines
05:15 Chicago Midway International
14:00 Denver International
9h 45m
Seasonal
WN 2844
Southwest Airlines
06:05 Chicago Midway International
07:45 Denver International
2h 40m
Seasonal
Boeing 737
WN 2844
Southwest Airlines
05:50 Chicago Midway International
07:30 Denver International
2h 40m
Seasonal
Boeing 737
AA 1647
American Airlines
06:45 , terminal 3
08:24 Denver International
2h 39m
Seasonal
Airbus A319
AA 1647
American Airlines
06:39 , terminal 3
08:20 Denver International
2h 41m
Seasonal
Airbus A319
WN 2634
Southwest Airlines
05:15 Chicago Midway International
06:50 Denver International
2h 35m
Seasonal
Boeing 737
WN 2635
Southwest Airlines
07:35 Chicago Midway International
09:10 Denver International
2h 35m
Seasonal
Boeing 737
WN 2634
Southwest Airlines
05:35 Chicago Midway International
07:10 Denver International
2h 35m
Seasonal
WN 2634
Southwest Airlines
05:25 Chicago Midway International
07:00 Denver International
2h 35m
Seasonal
Boeing 737
WN 2634
Southwest Airlines
05:45 Chicago Midway International
07:20 Denver International
2h 35m
Seasonal

Days of the week are taken from the schedule for the next 14 days; schedules change by season. Denver is 1 hour behind Chicago. The search shows seat availability and the price for your date.

Airlines flying Chicago to Denver

Flights a week by schedule and the cheapest nonstop fare of each airline found by recent searches

United Airlines14 a week Southwest Airlines9 a week American Airlines7 a week Frontier Airlines7 a week

Airports

Where flights from Chicago to Denver depart and land

Departure from Chicago

Chicago Midway International MDW

9 flights a week, 9 mi (14 km) from the city centre

About the airport

Arrival in Denver

Denver International DEN

37 flights a week, 18 mi (29 km) from the city centre

About the airport

Frequently asked questions

How long is the flight from Chicago to Denver?
A nonstop flight takes 2 hours 50 minutes on average, from 2h 35m to 9h 45m depending on the flight.
How far is Denver from Chicago?
918 mi (1,477 km) in a straight line between the cities.
Which airlines fly nonstop from Chicago to Denver?
United Airlines (14 a week), Southwest Airlines (9 a week), American Airlines (7 a week) and Frontier Airlines (7 a week).
How many flights a day are there from Chicago to Denver?
5 flights today and 37 a week, about 5.3 a day on average.
When are the first and last flights from Chicago to Denver?
The first departure is at 05:00 (UA2455), the last at 07:00 (UA1217). Local time.
What is the cheapest month to fly from Chicago to Denver?
December 2026: tickets from $55. The most expensive is November 2026, from $108.
What is the cheapest upcoming date to fly from Chicago to Denver?
16 December 2026 (Wednesday): from $55 one way, nonstop, by recent searches. The search shows the price for your dates.
Which airline is the cheapest from Chicago to Denver?
Frontier Airlines: nonstop tickets from $55 on 16 December by recent searches. Prices change daily, so compare the sellers in the search.
What is the time difference between Chicago and Denver?
Denver is 1 hour behind Chicago. Schedule times on this page are local to each airport.
Which Chicago airport do flights to Denver leave from?
Chicago Midway International (9 a week).