Cheap flights from Chicago, IL to Denver, CO

Flights starting at £35. Choose between United Airlines, Frontier Airlines, or Lufthansa to find the best price.

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Travelers usually depart from O Hare International, Chicago Midway International, or Chicago Rockford International when they travel from Chicago to Denver. The distance between Chicago and Denver is 1438 km. The most popular airlines for this route are United Airlines, Frontier Airlines, Lufthansa, Spirit Airlines, and Iberia Airlines. Chicago and Denver have 132 direct flights per week.

Weekly direct flights

Discover the top airlines offering direct flights from Chicago to Denver in the next month. You’ll find the number of daily direct flights per airline in the table.

Weekly direct flights for Mon 19.02 - Sun 25.02

AirlineMon 19.02Tue 20.02Wed 21.02Thu 22.02Fri 23.02Sat 24.02Sun 25.02
---7------5---5
1111111

Weekly direct flights for Mon 26.02 - Sun 03.03

AirlineMon 26.02Tue 27.02Wed 28.02Thu 29.02Fri 01.03Sat 02.03Sun 03.03
4---5---489
1111111

Weekly direct flights for Mon 04.03 - Sun 10.03

AirlineMon 04.03Tue 05.03Wed 06.03Thu 07.03Fri 08.03Sat 09.03Sun 10.03
9874666
1112212

Weekly direct flights for Mon 11.03 - Sun 17.03

AirlineMon 11.03Tue 12.03Wed 13.03Thu 14.03Fri 15.03Sat 16.03Sun 17.03
10981010106
2112212

Check-in for a flight from Chicago to Denver

NameCarrier codeIATA CodePassport needed during bookingOnline check-in available
United AirlinesUALUAYesNo
Frontier AirlinesFFTF9NoOpens 24 days before flight
Closes 1 hours before flight
LufthansaDLHLHNo0
0
Spirit AirlinesNKSNKNoOpens 24 days before flight
Closes 1 hours before flight
Iberia AirlinesIBEIBYesOpens 24 days before flight
Closes 3 hours before flight

Denver travel tips

1) Do not forget about hydrating when drinking alcohol in Denver
2) Experience the concept of “no goods over $100” in Denver
3) Indulge your inner gourmet at Rioja in Denver

Weather in Denver

Average Weather

MonthAverage monthly max temperatureAverage monthly min temperature
January4°C-6°C
February4°C-7°C
March10°C-2°C
April13°C1°C
May18°C6°C
June26°C12°C
July29°C16°C
August28°C15°C
September25°C11°C
October17°C4°C
November10°C-1°C
December4°C-6°C
Hottest Month
29°C
July
Coldest month
-7°C
February
Sunny days
260
days per year
Snow days
25
days per year

14 day forecast

Thursday
15 Feb
65%
11°C-1°C
22 Feb
12°C3°C
Friday
16 Feb
83%
3°C-4°C
23 Feb
12°C4°C
Saturday
17 Feb
62%
5°C-4°C
24 Feb
15°C4°C
Sunday
18 Feb
10°C-1°C
25 Feb
16°C5°C
Monday
19 Feb
13°C3°C
26 Feb
11°C6°C
Tuesday
20 Feb
16°C4°C
27 Feb
88%
7°C4°C
Wednesday
21 Feb
14°C4°C
28 Feb
89%
3°C-2°C

Frequently asked questions

How long does it take to travel from Chicago to Denver?
What is the flight distance between Chicago and Denver?
What airlines offer nonstop (direct) flights between Chicago and Denver?
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Is it possible to combine flights, buses, and trains in one itinerary when traveling between Chicago and Denver?
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