Cheapest one-way
$ 76.00
Frontier Airlines · Nonstop
One-way tickets on ORD–DEN recently started around $ 76.00.
Flights from Chicago to Denver
Recent BookingTrolley searches found Chicago to Denver fares from $ 152.00 — compare live ORD–DEN prices, airlines and durations below.
Chicago to Denver flights overview
ORD and DEN sit roughly 1,426 km apart, so total travel time depends on whether you fly nonstop or connect. BookingTrolley found 5 airlines currently compete on the ORD–DEN corridor, with Frontier Airlines posting one of the lowest fares at $ 152.00. 3 of them offer nonstop options, which save layover time but can cost more than connecting itineraries.
On the latest Chicago to Denver searches, the cheapest ticket BookingTrolley recorded was $ 152.00. Across the months we have sampled, the typical round-trip fare averages about $ 183.00. Nov tends to be the cheapest month to fly (around $ 152.00), while Jun is usually the most expensive at about $ 226.00 — a swing of roughly 49%.
Frequently asked questions about flying from Chicago to Denver
Tuesday and Wednesday are typically the cheapest days to fly from Chicago to Denver. According to BookingTrolley fare data on the Chicago to Denver route (ORD–DEN), round-trip tickets started at $ 152.00. United States travellers often save by shifting 3–4 days around their preferred date on BookingTrolley.
The cheapest airlines on Chicago to Denver are Frontier Airlines (from $ 152.00), Delta Air Lines (from $ 385.00), United Airlines (from $ 400.00), according to BookingTrolley's multi-provider comparison priced for the United States market currency when available.
The cheapest flights from Chicago to Denver started at $ 152.00 round trip on a nonstop itinerary on Frontier Airlines, per BookingTrolley data relevant to United States shoppers. Fares fluctuate with demand.
Flight time from Chicago to Denver depends on the airline and on whether the itinerary is nonstop or connecting. BookingTrolley shows a duration only when it is calculated from observed departure and arrival times.
Shoulder season around peak holidays often pairs softer airfares with lighter crowds. According to BookingTrolley fare data on the Chicago to Denver route (ORD–DEN), round-trip tickets started at $ 152.00. BookingTrolley suggests booking 4–8 weeks ahead for routes like Chicago to Denver.
Use BookingTrolley's flexible-date comparison for Chicago (ORD) to Denver (DEN) to see which days cost least. Avoiding Friday–Sunday peaks is one of the fastest ways for United States travellers to cut the ticket price.
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