Question 1

What is the cheapest Chicago to Denver Intl flight route?

Accepted Answer

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

Question 2

Which airline has the best punctuality record on Chicago to Denver flights?

Accepted Answer

According to our data, Frontier have had the least number of delays on this route over the last 12 months; with about 14% of their flights experiencing any sort of delay.

Question 3

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

Accepted Answer

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

Question 4

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

Accepted Answer

As of December 2025, 41 flights take off from Chicago and land in Denver each day. The most common flight departure time for this route is 6:00PM, with 34% of daily flights taking off at noon.

Question 5

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

Accepted Answer

Southwest and United Airlines are the most popular carriers operating from Chicago to Denver Intl

Question 6

What airlines fly to Denver?

Accepted Answer

Frontier, United Airlines and American Airlines are the top three most popular airlines that fly to Denver from Chicago according to our data. Frontier is the first choice among our users, with 34% of people opting to fly with this airline when traveling to Denver. Keep in mind that there are 4 different airlines that fly to Denver on a routine basis, so you have a few additional options to choose from.

Question 7

What is the cheapest month to fly to Denver?

Accepted Answer

The cheapest month to fly to Denver from Chicago is in January. Flight prices, which tend to average around $182, are often lower during this time because this is during the off-season. If you don’t want to visit Denver in January, then you should wait until October to fly from Chicago, when ticket prices are also cheap, with an average price of $183.

Question 8

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

Accepted Answer

As of December 2025, there are 289 flights per week flying from Chicago to Denver. The most common day of the week flights depart is Mon, with 19% of flights taking off on this day.

Question 9

How have Chicago to Denver flight prices changed over time?

Accepted Answer

As of December 2025, prices for Chicago to Denver flights are approximately 117% more expensive when compared to flights at the same time last year.

Question 10

What is the cheapest time of day to depart on your flight to Denver?

Accepted Answer

The cheapest time of day to fly to Denver is in the morning when flights can be purchased for as low as $236. Flights at noon are often more expensive with an average ticket price of $275.

Question 11

Can stopping save me money on Chicago to Denver flights?

Accepted Answer

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

Question 12

What day of the week experiences the fewest flight delays on this route?

Accepted Answer

Wednesday is statistically the day of the week which experiences the fewest number of delays on this flight route. Thursday has historically seen more delays on average compared to the rest of the week.

Question 13

What is the most punctual flight time for Chicago to Denver flights?

Accepted Answer

Generally, flights departing in the morning tend to experience fewer delays. Flights in the evening have, in the past, seen delays more frequently in comparison.

Question 14

What is the cheapest day to depart on your flight to Denver?

Accepted Answer

The cheapest day to depart on your flight to Denver is on a Wednesday when prices can be found for as low as $230. This is often the case because there is less demand to fly during this day of the week. The most expensive day to fly to Denver is Sunday, with ticket prices averaging around $287.

Question 15

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

Accepted Answer

Prices are currently low for flights on this route.Typical prices usually range from $179 to $362.
The lowest price recently found on this route was $98.

Question 16

How far in advance should I book a flight to Denver?

Accepted Answer

You are more likely to see cheaper flights to Denver from Chicago when booking weeks ahead of your departure date. In general, you can expect to find flights to Denver for around $218 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Denver from Chicago for as low as $185 on momondo.

Question 17

How often are flights from Chicago to Denver delayed?

Accepted Answer

Historically, on average around 17% of flights between Chicago and Denver have experienced a delay on any given week. The average delay length over the past 12 months has been 144 minutes.

Question 18

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

Accepted Answer

At 2h 49m, 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.

Question 19

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

Accepted Answer

The cheapest way is to get a flight from Chicago to Denver, which can be as cheap as $98. A train from Chicago to Denver is more expensive than a flight, with prices starting at $329. A bus from Chicago to Denver is also an option, with an average price of $241.

Question 20

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

Accepted Answer

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

Question 21

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

Accepted Answer

There are 4 operators available for flights from Chicago to Denver Intl Airport as of December 2025.

Question 22

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

Accepted Answer

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.

Question 23

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

Accepted Answer

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.

Best Price Found	$119
Fastest flight time	2h 30m
Direct flights	Every day
Airports in Denver	1 airport

Airline	Rating	Free Cancellation	Price
Frontier	PriceFrom $58	Free Cancellation	Rating 5.8 3,085 reviews	Search Frontier flights
American Airlines	PriceFrom $153	Free Cancellation	Rating 7.2 11,047 reviews	Search American Airlines flights
United Airlines	PriceFrom $156	Free Cancellation	Rating 7.4 9,092 reviews	Search United Airlines flights
Southwest	PriceFrom $157	Free Cancellation	Rating 7.9 4,252 reviews	Search Southwest flights

Cheap flights from Chicago to Denver from $63

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 1/23. 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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How to get the cheapest flight ticket from Chicago to Denver

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

What is the cheapest month to fly to Denver?

What is the cheapest day to depart on your flight to Denver?

The cheapest day to depart on your flight to Denver is on a Wednesday when prices can be found for as low as $230. This is often the case because there is less demand to fly during this day of the week. The most expensive day to fly to Denver is Sunday, with ticket prices averaging around $287.

What is the cheapest time of day to depart on your flight to Denver?

The cheapest time of day to fly to Denver is in the morning when flights can be purchased for as low as $236. Flights at noon are often more expensive with an average ticket price of $275.

What is the cheapest Chicago to Denver Intl flight route?

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

How far in advance should I book a flight to Denver?

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

There are 4 cabin classes available to choose from on Chicago to Denver Intl 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 December 2025, prices for Chicago to Denver flights are approximately 117% more expensive when compared to flights at the same time last year.

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

Southwest and United Airlines are the most popular carriers operating from Chicago to Denver Intl

What airlines fly to Denver?

How often are flights from Chicago to Denver delayed?

Historically, on average around 17% of flights between Chicago and Denver have experienced a delay on any given week. The average delay length over the past 12 months has been 144 minutes.

What is the most punctual flight time for Chicago to Denver flights?

Generally, flights departing in the morning tend to experience fewer delays. Flights in the evening have, in the past, seen delays more frequently in comparison.

What day of the week experiences the fewest flight delays on this route?

Wednesday is statistically the day of the week which experiences the fewest number of delays on this flight route. Thursday has historically seen more delays on average compared to the rest of the week.

Which airline has the best punctuality record on Chicago to Denver flights?

According to our data, Frontier have had the least number of delays on this route over the last 12 months; with about 14% of their flights experiencing any sort of delay.

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

As of December 2025, 41 flights take off from Chicago and land in Denver each day. The most common flight departure time for this route is 6:00PM, with 34% of daily flights taking off at noon.

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

As of December 2025, there are 289 flights per week flying from Chicago to Denver. The most common day of the week flights depart is Mon, with 19% of flights taking off on this day.

When to book flights from Chicago to Denver

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

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

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

How far is Chicago to Denver Intl by plane?

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

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?

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

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

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