A stunning view of Chicago's skyline and river with prominent skyscrapers and bridges on a cloudy day. — flights from Denver to Chicago
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Flights from Denver to Chicago

Nonstop flights from Denver (DEN) to Chicago (ORD) take about 2h 17m (1,426 km). Frontier Airlines flies it. Lowest fare seen: $74 one-way, nonstop (12 Oct 2026).

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Photo of Chicago: Mik Dominguez on Pexels.

When you land in Chicago

The airport transfer and the few things worth sorting before you fly.

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Airlines flying Denver to Chicago

Carriers on DEN–ORD according to our route data and nonstop fares seen as of 12 Oct 2026. Not a complete list.

✈ Frontier Airlinesnonstop fare seen

Denver to Chicago fares by month

Cheapest month seen for a nonstop flight: Jan 2027, from $51 one-way. Lowest one-way fares seen for departures in each month, read 22 Oct 2026.

DepartingNonstop fromCheaper with stops
Oct 2026$13131 Oct 2026 · Frontier Airlines—
Nov 2026$12530 Nov 2026 · Southwest Airlines—
Dec 2026$7614 Dec 2026 · Frontier Airlines—
Jan 2027$5113 Jan 2027 · Frontier Airlines—

When to go for the lowest fare

Later departures were cheaper: from $51 in January 2027, against $125 for November 2026.

From Travelpayouts flight-search data, city to city (Denver to Chicago, any airport), USD, read 22 Oct 2026. These are fares that were on sale, not a guarantee of today's price; an airline is named only where we know it flies this route.

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Frequently asked questions — Denver to Chicago flights

How long is the flight from Denver to Chicago?
A nonstop flight from Denver (DEN) to Chicago (ORD) takes about 2h 17m, covering 1,426 km. That is an estimate from the distance — actual time varies with the airline, aircraft and winds, and connecting itineraries take longer.
How far is Denver from Chicago by air?
The great-circle distance between Denver International Airport and Chicago O'Hare International Airport is 1,426 km (886 miles), a medium-haul route.
Which airlines fly from Denver to Chicago?
Airlines with flights or nonstop fares on the DEN–ORD route include Frontier Airlines. This is not a complete list — schedules change by season, so check the current options before booking.
How much does a flight from Denver to Chicago cost?
The lowest one-way fare seen recently on DEN–ORD was $74 USD with Frontier Airlines (nonstop), departing 30 Oct 2026, found in fare searches as of 12 Oct 2026. Fares change constantly and depend on the date, so check the current price before booking.
What is the cheapest month to fly from Denver to Chicago?
In fares seen on 22 Oct 2026, departures in January 2027 were cheapest, from $51 one-way, against $131 for October 2026, the dearest month. Fares change daily, so check your own dates.
Do I need a visa to travel from Denver to Chicago?
It depends on your passport. Some nationalities can enter Chicago visa-free or get a visa on arrival; others must apply in advance. Use AirConnect's Visa Checker to see the rules for your passport.

Sources: fares from Travelpayouts flight-search data, seen 12 Oct 2026; airlines from each carrier's published network and nonstop fares on sale; distance from OurAirports coordinates; flight time estimated from distance. Fares change daily.

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