Cheap flights from Chicago to Denver

Round-trip
1 adult
Economy
From?
To?
Tue 9/21
Tue 9/28

Travel Restriction Alert

The COVID-19 (coronavirus) outbreak may impact travel from Chicago to Denver.
View current United States travel restrictions

Flight information for Chicago to Denver
(CHI to DEN)

Find info about flight duration, direct flights, and airports for your flight from Chicago to Denver
Best Price Found$62The best flight deal from Chicago to Denver found on momondo in the last 72 hours is $62
Fastest flight time2h 37mThe fastest flight from Chicago to Denver takes 2h 37m
Direct flightsMon, Tue, Fri, Sat and SunDirect flights go from Chicago to Denver on Monday, Tuesday, Friday, Saturday and Sunday. Airlines offering direct flights are: Air Canada and American Airlines.
Airports in Denver2 airportsThere are 2 airports near Denver: Denver Arapahoe Co (APA), Denver Intl (DEN)

How to get the cheapest flight ticket from Chicago to Denver

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly from Chicago to Denver?

August

The cheapest time of year to fly to Denver from Chicago is August. Most expensive is December

What is the cheapest day to depart Chicago for Denver?

Tuesday

The cheapest day of the week is typically Tuesday. The most expensive is typically Friday

When is the cheapest time to fly from Chicago to Denver?

in the evening

Chicago to Denver flights are approximately 41% more expensive at noon than in the evening

What is the cheapest airline that flies to Denver from Chicago?

Spirit Airlines

American Airlines, Delta, and Frontier are the most popular carriers operating from Chicago to Denver

What is the cheapest Chicago to Denver flight route?

Chicago O'Hare Intl - Denver Intl

Fly from Chicago O'Hare Intl to Denver Intl for the best Chicago - Denver flight prices

How far in advance should you book Chicago to Denver flights?

19 days before

The cheapest time to buy a flight from Chicago to Denver is approximately 19 days to departure


Easily compare round-trip flights from Chicago to Denver

Below you can see the best fares for your round-trip flight route over the next three months. All fares were found on momondo this week. Browse the quickest and cheapest flights from Chicago to Denver by changing tabs
Frontier
Oct 11
ORD4:00 amChicago O'Hare Intl
2h 59m
DEN6:59 amDenver Intl
Oct 14
DEN4:30 pmDenver Intl
2h 25m
ORD6:55 pmChicago O'Hare Intl
Spirit Airlines
Oct 6
ORD3:45 amChicago O'Hare Intl
8h 35m
1 stop
DEN12:20 pmDenver Intl
Oct 9
DEN7:55 pmDenver Intl
8h 43m
1 stop
ORD4:38 amChicago O'Hare Intl
Spirit Airlines
Oct 26
ORD1:10 amChicago O'Hare Intl
11h 10m
1 stop
DEN12:20 pmDenver Intl
Oct 30
DEN7:55 pmDenver Intl
8h 43m
1 stop
ORD4:38 amChicago O'Hare Intl
Spirit Airlines
Oct 6
ORD3:45 amChicago O'Hare Intl
8h 35m
1 stop
DEN12:20 pmDenver Intl
Oct 9
DEN7:55 pmDenver Intl
8h 43m
1 stop
ORD4:38 amChicago O'Hare Intl
Frontier
Oct 16
ORD8:22 amChicago O'Hare Intl
2h 58m
DEN11:20 amDenver Intl
Oct 18
DEN4:09 pmDenver Intl
2h 25m
ORD6:34 pmChicago O'Hare Intl
Multiple Airlines
Oct 26
ORD1:10 amChicago O'Hare Intl
11h 10m
1 stop
DEN12:20 pmDenver Intl
Oct 30
DEN12:36 pmDenver Intl
2h 32m
ORD3:08 pmChicago O'Hare Intl

Find the cheapest one-way flights from Chicago to Denver

If you're looking for one-way flights from Chicago to Denver, view some of our deals below provided by American Airlines, Frontier and Spirit Airlines
Spirit Airlines
Oct 6
ORD3:45 amChicago O'Hare Intl
8h 35m
1 stop
DEN12:20 pmDenver Intl
Frontier
Oct 11
ORD4:00 amChicago O'Hare Intl
2h 59m
DEN6:59 amDenver Intl
Spirit Airlines
Oct 6
ORD3:45 amChicago O'Hare Intl
8h 35m
1 stop
DEN12:20 pmDenver Intl

Search last-minute flights to Denver from Chicago

Find and compare flight prices for your last-minute flight from Chicago to Denver
Multiple Airlines
Sep 25
ORD8:32 amChicago O'Hare Intl
2h 50m
DEN11:22 amDenver Intl
Sep 29
DEN7:59 pmDenver Intl
10h 45m
1 stop
ORD6:44 amChicago O'Hare Intl
Frontier
Sep 22
ORD4:00 amChicago O'Hare Intl
2h 52m
DEN6:52 amDenver Intl
Sep 25
DEN12:35 pmDenver Intl
2h 34m
ORD3:09 pmChicago O'Hare Intl
Multiple Airlines
Sep 22
ORD4:00 amChicago O'Hare Intl
2h 52m
DEN6:52 amDenver Intl
Sep 29
DEN8:59 amDenver Intl
9h 57m
1 stop
ORD6:56 pmChicago O'Hare Intl
Frontier
Sep 25
ORD8:32 amChicago O'Hare Intl
2h 50m
DEN11:22 amDenver Intl
Oct 31
DEN3:11 pmDenver Intl
2h 28m
ORD5:39 pmChicago O'Hare Intl
Frontier
Sep 25
ORD8:32 amChicago O'Hare Intl
2h 50m
DEN11:22 amDenver Intl
Sep 27
DEN4:09 pmDenver Intl
2h 26m
ORD6:35 pmChicago O'Hare Intl
Multiple Airlines
Sep 22
ORD4:00 amChicago O'Hare Intl
2h 52m
DEN6:52 amDenver Intl
Sep 27
DEN8:59 amDenver Intl
9h 57m
1 stop
ORD6:56 pmChicago O'Hare Intl

Best airlines flying from Chicago to Denver

Compare and see reviews for airlines that fly from Chicago to Denver with momondo
AirlineRatingFree CancellationPrice
Frontier
PriceFrom $39
Free Cancellation
Rating
6.1
6.4

Boarding

5.9

Comfort

7.0

Crew

4.9

Entertainment

5.1

Food

Reviews

Will not fly Frontier again. Bait and switch with initial ticket price and baggage fees at check in.

1 / 10
Spirit Airlines
PriceFrom $53
Free Cancellation
Rating
6.1
6.3

Boarding

5.8

Comfort

6.8

Crew

4.8

Entertainment

5.1

Food

Reviews

❤️❤️❤️

1 / 10
United Airlines
PriceFrom $53
Free Cancellation
Rating
6.8
7.2

Boarding

6.6

Comfort

7.5

Crew

6.6

Entertainment

6.1

Food

Reviews

Pros: Everything! From ticketing agent to all the crew on our flight back were awesome. Thank you!

1 / 10
American Airlines
PriceFrom $60
Free Cancellation
Rating
7.2
7.4

Boarding

7.1

Comfort

7.8

Crew

7.1

Entertainment

6.8

Food

Reviews

Flight attendant for first class is definitely not a morning person. Oh and the WiFi DID NOT WORK!

1 / 10
Delta
PriceFrom $82
Free Cancellation
Rating
8.3
8.3

Boarding

8.5

Comfort

8.4

Crew

8.1

Entertainment

8.1

Food

Reviews

Great

1 / 10
Southwest
PriceFrom $231
Free Cancellation
Rating
8.2
8.3

Boarding

8.2

Comfort

8.6

Crew

7.3

Entertainment

7.6

Food

Reviews

12 hours later still haven’t left the airport

1 / 10

  • Are airlines flying from Chicago to Denver Intl offering flexible cancellation due to COVID-19?

    Some of our partner airlines flying from Chicago to Denver Intl are adopting new policies due to the global impact of COVID-19. Some of the airlines that may be waiving their cancellation fees are United Airlines, Spirit Airlines, and Frontier. You can search for the full list of airlines like United Airlines that are offering this flexibility.

  • How far is Chicago to Denver Intl by plane?

    Chicago and Denver Intl are 917.4 mi apart from one another. 2h 40m is a normal flight duration for this route.


Can I fly to Denver Intl from Chicago right now?

Information is based on travel restrictions for travel to Denver Intl within the United States

Most visitors from Chicago need to provide a negative COVID-19 test result and/or quarantine to enter Denver Intl.

COVID-19 testing requirements
Visitors from Chicago must present a negative RT-PCR (NAAT) or Antigen (quick-test) test taken 72 hours before departing to Denver Intl.

Quarantine requirements
Visitors from Chicago are not required to quarantine after entering Denver Intl.

Can I fly back to Chicago from Denver Intl?

Returning to Chicago from Denver Intl

COVID-19 testing requirements
Visitors from Denver Intl must present a negative RT-PCR (NAAT) or Antigen (quick-test) test taken 72 hours before departing to Chicago.

Quarantine requirements
Visitors from Denver Intl are not required to quarantine after entering Chicago.

If you are planning to travel to Denver at this time, it is recommended that you stay up to date on current restrictions and follow proper safety measures while in public.

Alternative routes for Chicago to Denver

Compare alternative flights to and from nearby airports and cities to discover the best prices and most convenient flight times
St. Louis to Denver Flights
Fastest flight time2h 20m
Cheapest price$78
Chicago to Colorado Springs Flights
Fastest flight time2h 45m
Cheapest price$118
St. Louis to Colorado Springs Flights
Fastest flight time4h 02m
Cheapest price$181