Cheap flights from Denver, CO to Chicago, IL

Flights starting at £26. Choose between Frontier Airlines, United Airlines, or Allegiant Air to find the best price.

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Tips to know when travelling to Chicago

Travelers usually depart from Denver International, or Rocky Mountain Metropolitan Airport when they travel from Denver to Chicago. Book your trip to arrive at O Hare International, Chicago Midway International, or Chicago Rockford International. The distance between Denver and Chicago is 1438 km. The most popular airlines for this route are Frontier Airlines, United Airlines, Allegiant Air, Spirit Airlines, and Southern Airways Express. Denver and Chicago have 241 direct flights per week.

Weekly direct flights

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

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
---------6---------
2112---12

Weekly direct flights for Mon 18.03 - Sun 24.03

AirlineMon 18.03Tue 19.03Wed 20.03Thu 21.03Fri 22.03Sat 23.03Sun 24.03
------------10109
2112212

Weekly direct flights for Mon 25.03 - Sun 31.03

AirlineMon 25.03Tue 26.03Wed 27.03Thu 28.03Fri 29.03Sat 30.03Sun 31.03
99107211
2112212

Weekly direct flights for Mon 01.04 - Sun 07.04

AirlineMon 01.04Tue 02.04Wed 03.04Thu 04.04Fri 05.04Sat 06.04Sun 07.04
791010774
2112212

Check-in for a flight from Denver to Chicago

NameCarrier codeIATA CodePassport needed during bookingOnline check-in available
Frontier AirlinesFFTF9NoOpens 24 days before flight
Closes 1 hours before flight
United AirlinesUALUAYesNo
Allegiant AirAAYG4NoOpens 24 days before flight
Closes 1 hours before flight
Spirit AirlinesNKSNKNoOpens 24 days before flight
Closes 1 hours before flight
Southern Airways ExpressFDY9XYesNo

Chicago travel tips

1) Public transport operates 24/7 in Chicago, so there is no need to use a taxi
2) Walk the scenic BP Pedestrian Bridge in Chicago
3) In some shops in Chicago, tourists can get an additional discount

Weather in Chicago

Average Weather

MonthAverage monthly max temperatureAverage monthly min temperature
January0°C-6°C
February0°C-5°C
March5°C0°C
April10°C4°C
May17°C10°C
June22°C16°C
July25°C20°C
August25°C19°C
September22°C16°C
October15°C10°C
November8°C3°C
December2°C-1°C
Hottest Month
25°C
July
Coldest month
-6°C
January
Sunny days
253
days per year
Snow days
17
days per year

14 day forecast

Thursday
14 Mar
99%
12°C5°C
21 Mar
4°C4°C
Friday
15 Mar
6°C3°C
22 Mar
89%
3°C1°C
Saturday
16 Mar
13°C6°C
23 Mar
3°C0°C
Sunday
17 Mar
5°C2°C
24 Mar
10°C2°C
Monday
18 Mar
77%
3°C-2°C
25 Mar
17°C7°C
Tuesday
19 Mar
9°C1°C
26 Mar
78%
14°C11°C
Wednesday
20 Mar
10°C5°C
27 Mar
89%
15°C13°C

Frequently asked questions

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