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Cheap flights from Chicago to Denver from $39

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Chicago to Denver departing on 11/10. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Chicago to Denver

Cheap round-trip flights

These are some of the best round-trip flight deals from Chicago to Denver that have been recently found on momondo from popular airlines, departing in the coming months.

Cheap one-way flights

Flying one-way? These are some of the best deals recently discovered on momondo for flights from Chicago to Denver.

Cheap last minute flights

Planning a quick getaway from Chicago to Denver? These are the last-minute flight deals available now.

Cheap direct flights

If you prefer a non-stop journey, check out our latest direct flight deals to Denver, so you can enjoy a seamless trip without layovers.

Cheap bus & train deals from Chicago to Denver

Find recent round-trip train or bus tickets from Chicago to Denver.

All round-trip flight deals to Denver

The cheapest plane tickets to Denver found on KAYAK recently.
12:21 pm - 2:11 pmORD-DEN
2h 50mnonstop
7:38 pm - 11:12 pmDEN-ORD
2h 34mnonstop
$57Frontier
Find Deal
Wed, Nov 13 - Sat, Nov 16
4:40 pm - 6:31 pmORD-DEN
2h 51mnonstop
7:38 pm - 11:12 pmDEN-ORD
2h 34mnonstop
$61Frontier
Find Deal
Sat, Nov 16 - Sat, Nov 16
7:10 am - 9:00 amORD-DEN
2h 50mnonstop
8:50 pm - 12:22 amDEN-ORD
2h 32mnonstop
$131United Airlines
Find Deal
Sat, Dec 7 - Sat, Dec 7
5:35 pm - 7:16 pmORD-DEN
2h 41mnonstop
8:16 am - 11:54 amDEN-ORD
2h 38mnonstop
$157American Airlines
Find Deal
Wed, Jan 8 - Tue, Jan 14
12:44 pm - 2:28 pmORD-DEN
2h 44mnonstop
6:00 am - 9:36 amDEN-ORD
2h 36mnonstop
$167American Airlines
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Thu, Jan 9 - Sat, Jan 11
7:45 am - 9:25 amMDW-DEN
2h 40mnonstop
6:30 am - 11:40 amDEN-MDW
4h 10m1 stop
$167Southwest
Find Deal
Fri, Nov 22 - Mon, Nov 25
7:40 pm - 9:25 pmMDW-DEN
2h 45mnonstop
5:20 pm - 8:40 pmDEN-MDW
2h 20mnonstop
$175Southwest
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Sat, Dec 7 - Tue, Dec 10
7:15 am - 8:55 amORD-DEN
2h 40mnonstop
6:15 am - 9:43 amDEN-ORD
2h 28mnonstop
$205United Airlines
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Thu, Apr 10 - Sun, Apr 13
1:30 pm - 5:34 pmMDW-DEN
5h 04m1 stop
7:13 pm - 8:50 amDEN-MDW
12h 37m1 stop
$207Delta
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Tue, Dec 10 - Tue, Dec 17
6:00 am - 11:36 amORD-DEN
6h 36m1 stop
6:30 am - 12:50 pmDEN-ORD
5h 20m1 stop
$216Delta
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Thu, Nov 21 - Tue, Nov 26
9:27 pm - 11:20 pmORD-DEN
2h 53mnonstop
$39Frontier
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Sun, Nov 10
1:17 pm - 3:06 pmMDW-DEN
2h 49mnonstop
$39Frontier
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Thu, Nov 14
7:10 pm - 9:15 pmORD-DEN
3h 05mnonstop
$66Southwest
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Wed, Dec 18
8:35 pm - 10:20 pmMDW-DEN
2h 45mnonstop
$66Southwest
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Tue, Dec 17
8:05 pm - 9:58 pmORD-DEN
2h 53mnonstop
$79United Airlines
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Tue, Jan 7
8:02 pm - 9:58 pmORD-DEN
2h 56mnonstop
$89United Airlines
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Mon, Feb 24
9:46 am - 11:10 pmORD-DEN
14h 24m1 stop
$104Delta
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Tue, Nov 19
10:05 am - 4:09 pmORD-DEN
7h 04m1 stop
$108Delta
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Sat, Nov 23
4:50 pm - 11:40 pmORD-DEN
7h 50m1 stop
$128American Airlines
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Sun, Mar 2
6:00 am - 11:21 amORD-DEN
6h 21m1 stop
$135American Airlines
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Fri, Nov 22
4:44 pm - 6:37 pmORD-DEN
2h 53mnonstop
7:38 pm - 11:12 pmDEN-ORD
2h 34mnonstop
$93Frontier
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Sat, Nov 2 - Sat, Nov 9
4:44 pm - 6:37 pmORD-DEN
2h 53mnonstop
1:29 pm - 5:05 pmDEN-ORD
2h 36mnonstop
$97Frontier
Find Deal
Sat, Nov 2 - Mon, Nov 11
4:19 pm - 6:01 pmMDW-DEN
2h 42mnonstop
1:54 pm - 5:17 pmDEN-MDW
2h 23mnonstop
$97Frontier
Find Deal
Sat, Nov 2 - Mon, Nov 11
7:35 pm - 1:03 pmORD-DEN
18h 28m1 stop
4:46 pm - 8:22 pmDEN-ORD
2h 36mnonstop
Wed, Oct 30 - Sun, Nov 10
7:35 pm - 1:03 pmORD-DEN
18h 28m1 stop
7:44 pm - 11:18 pmDEN-ORD
2h 34mnonstop
Wed, Oct 30 - Mon, Dec 2
10:05 am - 11:45 amMDW-DEN
2h 40mnonstop
6:05 am - 9:35 amDEN-MDW
2h 30mnonstop
$476Southwest
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Sat, Nov 2 - Sat, Nov 9
6:20 pm - 11:34 pmORD-DEN
6h 14m1 stop
4:29 pm - 8:00 pmDEN-ORD
2h 31mnonstop
$499United Airlines
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Fri, Nov 1 - Tue, Nov 5
1:45 pm - 8:50 pmORD-DEN
8h 05m2 stops
6:50 am - 3:20 pmDEN-ORD
7h 30m1 stop
$513Southwest
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Fri, Nov 1 - Tue, Nov 5
6:00 am - 12:15 pmMDW-DEN
7h 15m1 stop
12:35 am - 8:50 amDEN-MDW
7h 15m1 stop
$709Delta
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Wed, Oct 30 - Sun, Dec 1
9:24 am - 4:09 pmMDW-DEN
7h 45m2 stops
6:45 am - 12:32 pmDEN-MDW
4h 47m1 stop
$803Delta
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Sat, Nov 2 - Wed, Nov 6
12:21 pm - 2:11 pmORD-DEN
2h 50mnonstop
7:38 pm - 11:12 pmDEN-ORD
2h 34mnonstop
$57Frontier
Find Deal
Wed, Nov 13 - Sat, Nov 16
4:40 pm - 6:31 pmORD-DEN
2h 51mnonstop
7:38 pm - 11:12 pmDEN-ORD
2h 34mnonstop
$61Frontier
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Sat, Nov 16 - Sat, Nov 16
4:40 pm - 6:31 pmORD-DEN
2h 51mnonstop
1:29 pm - 5:05 pmDEN-ORD
2h 36mnonstop
$66Frontier
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Sat, Nov 9 - Mon, Nov 11
12:21 pm - 2:11 pmORD-DEN
2h 50mnonstop
1:29 pm - 5:05 pmDEN-ORD
2h 36mnonstop
$67Frontier
Find Deal
Wed, Nov 13 - Mon, Nov 18
7:10 am - 9:00 amORD-DEN
2h 50mnonstop
8:50 pm - 12:22 amDEN-ORD
2h 32mnonstop
$131United Airlines
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Sat, Dec 7 - Sat, Dec 7
7:10 am - 9:00 amORD-DEN
2h 50mnonstop
8:50 pm - 12:22 amDEN-ORD
2h 32mnonstop
$154United Airlines
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Thu, Nov 28 - Tue, Dec 3
8:50 pm - 10:33 pmORD-DEN
2h 43mnonstop
7:00 am - 10:42 amDEN-ORD
2h 42mnonstop
$155American Airlines
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Sat, Nov 23 - Tue, Nov 26
7:20 pm - 9:10 pmMDW-DEN
2h 50mnonstop
4:20 pm - 7:35 pmDEN-MDW
2h 15mnonstop
$158Southwest
Find Deal
Sat, Jan 11 - Tue, Jan 14
8:46 pm - 10:29 pmORD-DEN
2h 43mnonstop
7:20 am - 11:02 amDEN-ORD
2h 42mnonstop
$161American Airlines
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Fri, Nov 15 - Tue, Dec 3
7:20 pm - 9:10 pmMDW-DEN
2h 50mnonstop
5:50 am - 9:20 amDEN-MDW
2h 30mnonstop
$168Southwest
Find Deal
Sat, Jan 18 - Wed, Jan 22

Frontier flights from Chicago to Denver

Our best Frontier deals on Chicago to Denver flight tickets
Frontier
Nov 13
ORD12:21 pmChicago O'Hare Intl
2h 50m
DEN2:11 pmDenver Intl
Nov 16
DEN7:38 pmDenver Intl
2h 34m
ORD11:12 pmChicago O'Hare Intl
Frontier
Nov 16
ORD4:40 pmChicago O'Hare Intl
2h 51m
DEN6:31 pmDenver Intl
Nov 16
DEN7:38 pmDenver Intl
2h 34m
ORD11:12 pmChicago O'Hare Intl
Frontier
Nov 9
ORD4:40 pmChicago O'Hare Intl
2h 51m
DEN6:31 pmDenver Intl
Nov 11
DEN1:29 pmDenver Intl
2h 36m
ORD5:05 pmChicago O'Hare Intl

United Airlines flights from Chicago to Denver

Our best United Airlines deals on Chicago to Denver flight tickets
United Airlines
Dec 7
ORD7:10 amChicago O'Hare Intl
2h 50m
DEN9:00 amDenver Intl
Dec 7
DEN8:50 pmDenver Intl
2h 32m
ORD12:22 amChicago O'Hare Intl
United Airlines
Apr 10
ORD7:15 amChicago O'Hare Intl
2h 40m
DEN8:55 amDenver Intl
Apr 13
DEN6:15 amDenver Intl
2h 28m
ORD9:43 amChicago O'Hare Intl
United Airlines
Nov 24
ORD7:10 amChicago O'Hare Intl
2h 50m
DEN9:00 amDenver Intl
Nov 24
DEN8:25 pmDenver Intl
2h 32m
ORD11:57 pmChicago O'Hare Intl

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 typical price of a round-trip flight between Chicago and Denver?

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

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

What is the cheapest day to depart Chicago for Denver?

Saturday. The cheapest day of the week is typically Saturday. The most expensive is typically Sunday

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

In the afternoon. Chicago to Denver flights are approximately 52% more expensive at noon than in the afternoon

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

Frontier. Frontier, American Airlines, and Southwest 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?

30 days before. The cheapest time to buy a flight from Chicago to Denver is approximately 30 days to departure

How many flights depart from Chicago to Denver on average per day?

As of October 2024, 29 flights take off from Chicago and land in Denver each day. The most common flight departure time for this route is 6:00PM, with 37% of daily flights taking off at noon.

How many flights depart from Chicago to Denver on average per week?

As of October 2024, there are 203 flights per week flying from Chicago to Denver. The most common day of the week flights depart is Tuesday, with 28% of flights taking off on this day.

What cabin class options are available on Chicago to Denver flights?

There are 4 cabin classes available to choose from on Chicago to Denver flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Chicago to Denver flights?

No. A direct flight is the cheapest option for a flight between Chicago to Denver.

How have Chicago to Denver flight prices changed over time?

As of October 2024, prices for Chicago to Denver flights are approximately 15% cheaper when compared to flights at the same time last year.

When to book flights from Chicago to Denver

Are you open to changing your travel dates? Check out the ideal times to fly from Chicago to Denver according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Chicago to Denver (CHI to DEN) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Chicago to Denver

Best Price Found

$39

Fastest flight time

2h 40m

Direct flights

Every day

Airports in Denver

1 airport
The best one-way flight to Denver from Chicago in the past 72 hours is $39. The best round-trip flight deal from Chicago to Denver found on momondo in the last 72 hours is $57.
The fastest flight from Chicago to Denver takes 2h 40m
Direct flights go from Chicago to Denver every day.
There is 1 airport near Denver: Denver Intl (DEN)

  • Is flying the fastest way to get from Chicago to Denver?

    At 2h 40m, choosing to opt for a flight from Chicago to Denver for this trip versus opting for a train from Chicago to Denver or a bus from Chicago to Denver can save you time on travel.

  • Is flying the cheapest way to get from Chicago to Denver?

    The cheapest way is to get a flight from Chicago to Denver, which can be as cheap as $57. A train from Chicago to Denver is more expensive than a flight, with prices starting at $228. A bus from Chicago to Denver is also an option, with an average price of $294.

  • 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.

  • What is the carbon footprint of flying from Chicago to Denver Intl?

    The carbon footprint of a Chicago to Denver Intl flight is around 773lb, which may vary slightly based on airline and stops. There is a CO2 sorter on our flight search results to help you select the lowest possible footprint. Choosing a train for this journey would reduce your carbon footprint from 773lb to 193lb - that is, by about 75%. Although it takes longer, opting for a bus over an airplane would reduce the carbon footprint of your trip to about 122lb.

  • When did momondo last update prices for flights from Chicago to Denver Intl Airport?

    Prices for flights from Chicago to Denver Intl Airport are updated daily.

  • How many operators does momondo search for flights from Chicago to Denver Intl Airport?

  • How old do you have to be to fly from Chicago to Denver Intl Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Chicago to Denver Intl Airport.

  • What documentation or ID do you need to fly to Denver Intl Airport?

    The necessary travel and health documents for your Denver Intl Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from Chicago to Denver?

  • What is the most popular airline from Chicago to Denver?


Best airlines flying from Chicago to Denver

Compare and see reviews for airlines that fly from Chicago to Denver with momondo
Airline
Rating
Free Cancellation
Price
FrontierPriceFrom $38Free CancellationRating
6.1
3,585 reviews
Search Frontier flights
American AirlinesPriceFrom $139Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
United AirlinesPriceFrom $155Free CancellationRating
7.4
9,249 reviews
Search United Airlines flights
SouthwestPriceFrom $157Free CancellationRating
8.1
5,125 reviews
Search Southwest flights
DeltaPriceFrom $195Free CancellationRating
8.0
8,845 reviews
Search Delta flights
  • Southwest Flights From Chicago to Denver

    Southwest is one of the most popular airlines flying from Chicago to Denver, operating 51 flights/week on average for this route. A good Southwest flight deal for Chicago to Denver starts from $157 round-trip, up to an average price of $247. Our users have rated Southwest at 8.1/10.

  • United Airlines Flights From Chicago to Denver

    Across 9,249 United Airlines reviews on momondo, the average score is 7.4/10. United Airlines flies from Chicago to Denver about 49 times each week, with ticket deals ranging from $155 to $309. Price data is based on momondo searches in the last 72 hours.


Why use momondo?

Why should I use momondo to find a flight deal from Chicago to Denver?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Chicago to Denver. momondo saves you time and could save you money on your trip.

Can I find flights from Chicago to Denver with flexible booking policies on momondo?

Yes. All flights to Denver from Chicago on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Chicago to Denver?

Once all potential Chicago to Denver flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Chicago to Denver right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Chicago to Denver flights. All you need is a valid email address and we will do the rest; it is that quick and easy.


Choose the best way to get from Chicago to Denver

Buses

20h 30m
$148 one-way$294 round-trip
Nonstop · from $2941 stop · from $270

Distance to downtown

EN81.3 mi
122lb CO2

84% less than flights

Find Buses

Chicago to Denver Buses

Trains

18h 56m
$77 one-way$228 round-trip
Nonstop · from $228

Distance to downtown

EN81.3 mi
194lb CO2

75% less than flights

Find Trains

Chicago to Denver Trains

Flights

2h 40m
$39 one-way$57 round-trip
Nonstop · from $57

Distance to downtown

DEN18.5 mi

An easier way to manage your Denver trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

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