Cheap Flights from Chicago, IL to Denver, CO from $34

Return flight: Denver – Chicago

On Cheapflightsplus.com you will find 14 direct and 91 connecting flights from Chicago to Denver. You can compare airfare deals from 8 airlines and multiple travel sites from $34, book and save on cheap plane tickets and last minute offers. Also check out CHI-DEN flight schedule to find best flight time, convenient departure and arrival airports.

Find One-Way and Round-Trip Chicago to Denver Flight Deals

To find the cheapest one way airline ticket select the date with the lowest price on the calendar below and click «Find Flights». To search for round-trip flight deals click on the link «Check prices for return flights» and select the date of the return flight. Cheapest flights in November: $34 (one-way), $58 (round-trip).
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Full flight schedule will help you in detecting at what time planes fly from Chicago to Denver. You can also specify the concrete flights and airlines on the route and how long the flight actually is. Use the calendar for today, tomorrow or other specific date as some flights are available only on certain days of the week.
Departure Arrival Flight Details Flight Duration Price
06:00 — 07:43
06:00 — 07:43 F92209 Frontier Airlines
Chicago — Denver
2h 43m
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from$59
07:10 — 09:00
07:10 — 09:00 UA711 United Airlines
Chicago — Denver
2h 50m
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from$114
08:45 — 10:35
08:45 — 10:35 UA1733 United Airlines
Chicago — Denver
2h 50m
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from$180
08:45 — 10:35
08:45 — 10:35 UA1599 United Airlines
Chicago — Denver
2h 50m
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from$221
12:45 — 14:36
12:45 — 14:36 UA1491 United Airlines
Chicago — Denver
2h 51m
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from$115
14:35 — 16:28
14:35 — 16:28 UA1588 United Airlines
Chicago — Denver
2h 53m
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from$168
14:39 — 16:30
14:39 — 16:30 UA310 United Airlines
Chicago — Denver
2h 51m
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from$115
16:06 — 17:59
16:06 — 17:59 UA1946 United Airlines
Chicago — Denver
2h 53m
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from$250
16:08 — 17:59
16:08 — 17:59 UA2436 United Airlines
Chicago — Denver
2h 51m
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from$114
17:50 — 19:40
17:50 — 19:40 UA2370 United Airlines
Chicago — Denver
2h 50m
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from$114
18:25 — 20:23
18:25 — 20:23 UA2179 United Airlines
Chicago — Denver
2h 58m
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from$184
18:48 — 20:32
18:48 — 20:32 F91483 Frontier Airlines
Chicago — Denver
2h 44m
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from$59
21:36 — 23:19
21:36 — 23:19 UA2485 United Airlines
Chicago — Denver
2h 43m
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from$34
21:38 — 23:30
21:38 — 23:30 UA1748 United Airlines
Chicago — Denver
2h 52m
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from$137
05:01 — 15:35
05:01 — 08:04 F92112 Frontier Airlines
Chicago — Philadelphia
5h 15m stop
13:19 — 15:35 F93265 Frontier Airlines
Philadelphia — Denver
11h 34m
including layover
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from$84
05:45 — 11:33
05:45 — 08:44 UA2622 United Airlines
Chicago — Houston
1h 3m stop
09:47 — 11:33 UA2358 United Airlines
Houston — Denver
6h 48m
including layover
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from$134
06:10 — 11:58
06:10 — 09:16 F91827 Frontier Airlines
Chicago — Phoenix
44m stop
10:00 — 11:58 F91820 Frontier Airlines
Phoenix — Denver
6h 48m
including layover
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from$67
07:00 — 13:18
07:00 — 09:49 F91887 Frontier Airlines
Chicago — Dallas
2h 16m stop
12:05 — 13:18 F91323 Frontier Airlines
Dallas — Denver
7h 18m
including layover
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from$63
07:00 — 15:11
07:00 — 10:43 F91416 Frontier Airlines
Chicago — Tampa
2h 15m stop
12:58 — 15:11 F93517 Frontier Airlines
Tampa — Denver
9h 11m
including layover
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from$63
08:00 — 22:36
08:00 — 11:01 F93142 Frontier Airlines
Chicago — Charlotte
9h 51m stop
20:52 — 22:36 F91361 Frontier Airlines
Charlotte — Denver
15h 36m
including layover
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from$74
08:45 — 00:40
+1 day
07:42 — 11:28 F91186 Frontier Airlines
Chicago — Tampa
9h 58m stop
07:00 — 09:08 F91113 Frontier Airlines
Tampa — Denver
16h 55m
including layover
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from$68
10:21 — 07:12
+1 day
08:00 — 10:55 F93135 Frontier Airlines
Chicago — Houston
16h 20m stop
06:00 — 07:34 F93229 Frontier Airlines
Houston — Denver
21h 51m
including layover
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from$73
10:35 — 16:32
10:35 — 13:38 UA2624 United Airlines
Chicago — Houston
1h 12m stop
14:50 — 16:32 UA241 United Airlines
Houston — Denver
6h 57m
including layover
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from$134
11:32 — 18:21
11:32 — 14:19 F91735 Frontier Airlines
Chicago — Phoenix
2h 3m stop
16:22 — 18:21 F92106 Frontier Airlines
Phoenix — Denver
7h 49m
including layover
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from$79
12:45 — 19:51
12:45 — 15:47 UA2417 United Airlines
Chicago — Houston
2h 18m stop
18:05 — 19:51 UA1654 United Airlines
Houston — Denver
8h 6m
including layover
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from$134
13:40 — 16:40
12:40 — 14:30 KG3915 Aerogaviota
Chicago — Watertown
40m stop
15:00 — 15:50 KG3916 Aerogaviota
Watertown — Denver
4h
including layover
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from$146
14:01 — 23:32
14:01 — 17:10 F91735 Frontier Airlines
Chicago — Phoenix
4h 25m stop
21:35 — 23:32 F92142 Frontier Airlines
Phoenix — Denver
10h 31m
including layover
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from$68
14:08 — 00:24
+1 day
12:36 — 15:42 F94368 Frontier Airlines
Chicago — Philadelphia
4h 47m stop
21:53 — 00:26 F93339 Frontier Airlines
Philadelphia — Denver
11h 16m
including layover
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from$68
15:28 — 15:04
+1 day
15:28 — 18:19 F93088 Frontier Airlines
Chicago — Baltimore
18h 44m stop
13:03 — 15:04 F92705 Frontier Airlines
Baltimore — Denver
24h 36m
including layover
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from$95
15:40 — 21:46
15:40 — 18:43 UA2678 United Airlines
Chicago — Houston
1h 17m stop
20:00 — 21:46 UA2215 United Airlines
Houston — Denver
7h 6m
including layover
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from$134
16:27 — 14:48
+1 day
16:27 — 19:15 F93281 Frontier Airlines
Chicago — Houston
17h 59m stop
13:14 — 14:48 F93205 Frontier Airlines
Houston — Denver
23h 21m
including layover
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from$73
17:50 — 23:44
17:50 — 20:50 UA1568 United Airlines
Chicago — Houston
1h 17m stop
22:07 — 23:44 UA1338 United Airlines
Houston — Denver
6h 54m
including layover
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from$134
18:36 — 00:53
+1 day
17:33 — 19:50 F92145 Frontier Airlines
Chicago — Las Vegas
53m stop
20:51 — 23:55 F94612 Frontier Airlines
Las Vegas — Denver
7h 17m
including layover
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from$80
20:23 — 09:03
+1 day
13:27 — 16:17 F92027 Frontier Airlines
Chicago — Salt Lake City
8h 27m stop
06:00 — 07:54 F93862 Frontier Airlines
Salt Lake City — Denver
13h 40m
including layover
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from$95
20:54 — 07:53
+1 day
19:17 — 22:01 F92881 Frontier Airlines
Chicago — Dallas
7h 9m stop
05:15 — 06:28 F93365 Frontier Airlines
Dallas — Denver
11h 59m
including layover
Find flight
from$65
21:01 — 07:28
+1 day
21:01 — 23:42 F93243 Frontier Airlines
Chicago — Dallas
6h 33m stop
06:15 — 07:28 F92631 Frontier Airlines
Dallas — Denver
11h 27m
including layover
Find flight
from$68
*Departure and arrival times - local. Updated on January 6, 2025

Flight Information

Below we will explain in detail what the flights cost on the destination from Chicago to Denver depends on and how to choose the most interesting flight option for you.

Distance between Chicago and Denver is 1448 miles. Time difference between the cities is 1h. Airplanes depart 00:48 to 21:38 from 7 Chicago airports and arrive 00:48 to 21:38 to 2 Denver airports. Average flight time is 2h 51m.

  • The fastest flight 2h 43m
  • Average flight time 2h 51m
  • The earliest flight 00:48
  • The latest flight 21:38
  • Distance 900 ml

The cheapest months to travel to Denver are january (from 34 $), november (from 39 $), december (from 57 $).

The most expensive months are february (from 59 $), december (from 57 $), november (from 39 $).

What is the lowest airfare Chicago to Denver?

The cheapest plane ticket found by our users is $34. This airfare is for economy class on one-way UA2485 flight by United Airlines for January 13, 2025 which leaves O'Hare International in Chicago at 21:36 am and arrives at Denver Denver International at 23:19.

Economy class
$34
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Business class
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First class
?
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Popular Airlines on the Route

The flight Chicago — Denver is served by 8 regular airlines and 4 low-cost airlines. Most of the flights on this route are operated by Alaska Airlines - 19 departures per week at the price of from $ 169 . And the most expensive tickets are offered by VivaAerobus airline - from $ 674.

Direct flights

There are 14 nonstop flights on the route. The fastest direct flight is UA2485 by United Airlines takes 2h 43m and the cheapest is UA2485 by United Airlines for $34.

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Connecting Flights

There are 91 flights with layovers on the route. The fastest connecting flight is KG3915 by Aerogaviota takes 4h and the cheapest is UA2485 by United Airlines for $63.

See more connecting flights

Airports

You can fly from Chicago to Denver from 7 airports (O'Hare International, Midway, Dupage County, Chicago FSS, Merrill C Meigs (closed), Pal-Waukee, Chicago NAS).

Chicago airports

  • O'Hare International-ORD
    from $34
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  • Midway-MDW
    from $59
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  • Dupage County-DPA
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  • Chicago FSS-CHI
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  • Merrill C Meigs (closed)-CGX
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  • Pal-Waukee-PWK
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  • Chicago NAS-NOH
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Denver airports

  • Denver International-DEN
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  • Arapahoe Co-APA
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How to book a plane ticket yourself?

How to book an air ticket yourself?
  • Fill in the search parameters — cities of departure and destination, departure and return dates and click «Find flights»
  • Select the best flight that you like. Please, check the airports of departure and arrival. Select the best fare, but pay attention to the following flight details - airports of departure and arrival, flight duration and layovers. Please use filters and sort to find the best flight.
  • Click «Buy» when you are ready — our system will redirect you to the site that sells the selected flight ticket.
  • Fill in all passenger and payment information — passport and contact information, please double check all passengers’ names and make a payment for your itinerary.
  • That's it — you will receive an email with your e-ticket usually within 10 minutes after your flight is confirmed. Please, print the e-ticket and have it with you at the airport. You would need to have only a passport and/or a required form of ID to travel. Please, check your Visa requirements if you travel outside of the United States or Canada.

    To find a plane ticket, please select dates.

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