$96 Find Cheap Flights from Chicago to Denver - Compare and Save

These are the earliest and latest flight times available from Chicago to Denver:

• Earliest: departs at 12:01 am and lands at 2:53 am
• Latest: departs at 11:10 pm and lands at 2:02 am.

The flight takes about 2h 52m.

Four cabin classes are available on flights from Chicago to Denver:

• Economy Class
• Premium Economy Class
• Business Class
• First Class

Prices vary by airline.

A nonstop flight from Chicago to Denver takes 2h 52m, covering 899 miles.

No, a passport is not required for this domestic route, but you will need a real ID-compliant driver's license, a state ID or another TSA-accepted form of identification.

Round-trip flights from Chicago to Denver range from $198 to $347, with an average of $264 over the past 12 months. Anything below $198 counts as a good deal.

Last-minute fares on this route (booked within two weeks of departure) run 35% above the $264 route average. Book 9 weeks before departure for the lowest fares.

On this route, layover flights are cheaper than nonstop options on average. Layover fares average $109 round-trip via Dallas/Fort Worth (DFW), compared to $265 for nonstop.

United Airlines is slightly above the route average for timely arrivals, while Southwest has a lower on-time arrival rate. On-time arrival rates on Chicago to Denver flights are:

• United Airlines: 84% on time
• Southwest: 79% on time
• Frontier: 77% on time

Overall, flights on this route are punctual 80% of the time on average.

There is no standard. Checked-bag policies vary by airline on this route. Most carriers charge $40–$100 for the first checked bag in economy. Premium fares and elite-status bookings typically include a free checked bag.

Morning is the busiest departure period on Chicago to Denver flights, with 44% of flights leaving in that window. Afternoon departures account for 30%, evening flights for 13%, and night flights for 13%.

Two airlines offer in-flight Wi-Fi on Chicago to Denver flights:

• American Airlines
• JetBlue

Pricing varies by airline and fare class. Some plans are included with the ticket or loyalty program; others are paid add-ons priced by flight length.

Based on prices from the last 5 days, flying between Chicago and Denver is around $157 round-trip, with a flight time of about 7h 23m. Recent bus fares are around $142, with a trip time of about 21h 35m. Compared with flying, recent bus fares are roughly 10% lower. However, taking the bus takes about 14+ hours longer each way.

One-way fares from Chicago to Denver are currently lower than usual. Average one-way flight prices are about $101, which is 46% below the typical average for this route.

Denver Intl Airport (DEN) hosts 5 major car rental companies, with daily rates averaging $56 for economy cars. Top options include:

• Routes Car & Truck Rentals
• Ace
• Europcar
• NU Car
• Hertz

Flights from Chicago to Denver may depart from several airports in Chicago area, including Chicago Midway (MDW), Chicago O'Hare Intl (ORD) and Chicago Greater Rockford (RFD). Flights usually arrive at Denver Intl (DEN).

Morning flights have the fewest delays on this route, while evening departures tend to have the most.

A flight is considered delayed when it departs 15 minutes or more after its scheduled time. This is the standard used by the US Department of Transportation and most airline industry reporting. On the Chicago to Denver route, 20% of flights were delayed in the past 3 months, with delays averaging 2h 22m.

One-stop flights from Chicago to Denver most commonly connect through:

• Chicago O'Hare Intl (ORD) - 58% of one-stop connections
• Atlanta Hartsfield-Jackson (ATL) - 28% of one-stop connections
• Minneapolis St Paul (MSP) - 4% of one-stop connections
• Dallas/Fort Worth (DFW) - 3% of one-stop connections

Yes. Flexible dates can save you up to 16% on flights from Chicago to Denver. Tuesday is the cheapest departure day at $254 round-trip on average, while Monday is the most expensive at $299, a difference of $45.

KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

4 airlines operate flights between Chicago and Denver. The airlines offering nonstop flights on this route include:

• United Airlines
• American Airlines
• Southwest
• Frontier

Flying via Minneapolis St Paul (MSP) gives the shortest average 1-stop total travel time at 4h 31m, compared with 5h 59m via Chicago O'Hare Intl (ORD) and 6h 07m via Nashville Intl (BNA).

Denver is 1 hour behind Chicago (Mountain Time vs Central Time). Plan for the time shift when scheduling connections or first-day activities.

Some of the most popular sights in Denver are Colorado Convention Center, Coors Field and Ball Arena. These are among the most viewed places in Denver on KAYAK.

Among airlines operating Chicago to Denver flights:

• United Airlines: offers extra legroom; offers free seat selection
• Frontier: offers free seat selection
• American Airlines: offers extra legroom; offers free seat selection
• Southwest: offers free seat selection

Extra legroom and free seat selection availability depends on fare class and route.

Here are some options for this route, based on selected ticket types and cabin classes:

• United Airlines: a cabin bag and a checked bag in Economy Class
• Frontier: a cabin bag and a checked bag in Economy Class
• American Airlines: a cabin bag and a checked bag in Economy Class

Bag allowance can vary by ticket type, cabin class, route and airline, so always check the fare details before booking.

Chicago's Orange Line train connects downtown Chicago to MDW in about 20–25 minutes, making it a fast and affordable option.

Yes, public transportation is available between downtown Denver and Denver International Airport (DEN) on the A-Line commuter train. The trip takes about 37 minutes. The train station is at the Transit Center on the ground level beside the Westin and downtown Denver is about 23 miles from DEN.

Denver Museum of Nature & Science is about 18 miles from Denver International Airport (DEN). The Line 40 bus is a budget-friendly option and takes about 50 minutes. A taxi is quicker and more private, taking about 27 minutes.

Yes, the car rental area can be reached from the baggage claim area. Travelers exit through Lower Level Door #2 and take the shuttle from there.

Yes, Denver International Airport (DEN) offers services for passengers with disabilities and limited mobility. Wheelchair service should be arranged through the airline at least 48 hours before scheduled departure. The terminal and concourses are wheelchair accessible. Elevators provide access to the Airline Level 5 check-in counters and between floors.

Chicago Midway International Airport (MDW) has two pet relief areas. One is indoors and located next to gate A5, with synthetic grass and a sitting area, while the outdoor facility, which is a fenced area that includes bags for dog waste and benches, is located at the north end of the lower level terminal drive.

Yes, DEN has a free cell phone lot called Final Approach. It is located about three miles from the airport on Pena Blvd. People picking up arriving passengers can wait there. Waiting and parking are not allowed curbside at the terminal buildings.