£91 Find Cheap Flights from Chicago to Denver – Compare and Save

These are the earliest and latest flight times available from Chicago O'Hare Intl Airport to Denver:

• Earliest: departs at 00:01 and lands at 02:56
• Latest: departs at 22:43 and lands at 01:38.

The flight takes about 2h 55m.

Only Economy class is available on flights from Chicago O'Hare Intl Airport to Denver.

A direct flight from Chicago O'Hare Intl Airport to Denver takes 2h 55m, covering 886 miles.

No, a passport is not required for this domestic route, but you will need another form of identification, such as a driving licence.

Return flights from Chicago O'Hare Intl Airport to Denver range from £148 to £250, with an average of £195 over the past 12 months. Anything below £148 counts as a good deal.

Last-minute fares on this route (booked within two weeks of departure) run 34% above the £195 route average. Book 9 weeks before departure for the lowest fares.

On this route, stopover flights are cheaper than direct options on average. Stopover fares average £157 return via Phoenix Sky Harbor Intl (PHX), compared with £196 for direct.

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 O'Hare Intl Airport to Denver flights are:

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

On average, flights on this route are punctual 81% of the time.

There is no standard. Checked bag policies vary by airline on this route. Most carriers charge £30–£75 for the first checked bag in Economy. Premium fares and elite status bookings typically include a free checked bag.

The Airbus A321neo family is used most often on this route, operated mainly by United Airlines and Frontier. Other aircraft seen on the route include Boeing 737-800 variants.

Morning is the busiest departure period on Chicago O'Hare Intl Airport to Denver flights, with 39% leaving in that window. Afternoon departures account for 34%, Night flights for 16%, and Evening flights for 11%.

Two airlines offer in-flight Wi-Fi on Chicago O'Hare Intl Airport to Denver flights:

• American Airlines
• JetBlue

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

One-way fares from Chicago O'Hare Intl Airport to Denver are currently lower than usual. Average one-way flight prices are about £122, which is 12% below the typical average for this route.

Denver Intl Airport (DEN) hosts 5 major car hire companies, with daily rates averaging £42 for economy cars. Top options include:

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

Flights from Chicago O'Hare Intl Airport to Denver usually depart from Chicago O'Hare Intl (ORD) and 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 O'Hare Intl Airport to Denver route, 19% of flights were delayed in the past three months, with delays averaging 2h 33m.

One-stop flights from Chicago O'Hare Intl Airport to Denver most commonly connect through:

• Atlanta Hartsfield-Jackson (ATL) – 74% of one-stop connections
• Minneapolis St Paul (MSP) – 9% of one-stop connections
• Phoenix Sky Harbor Intl (PHX) – 9% of one-stop connections
• Nashville Intl (BNA) – 4% of one-stop connections

Yes. Flexible dates can save you up to 18% on flights from Chicago O'Hare Intl Airport to Denver. Saturday is the cheapest departure day at £187 return on average, while Monday is the most expensive at £228, a difference of £40.

Cheaper weekend fares like these are typical of routes dominated by weekday business travel.

3 airlines operate flights between Chicago O'Hare Intl Airport and Denver. The airlines offering direct flights on this route include:

• United Airlines
• American Airlines
• Frontier

Flying via Minneapolis St Paul (MSP) gives the shortest average 1-stop total travel time of 4h 37m, compared to 6h 07m via Nashville Intl (BNA) and 7h 39m via Atlanta Hartsfield-Jackson (ATL).

Denver is 1 hour behind Chicago O'Hare Intl Airport (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, Hyatt Regency Denver at Colorado Convention Center, and Coors Field. These are among the most viewed places in Denver on KAYAK.

Among airlines operating Chicago O'Hare Intl Airport 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

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

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