Chicago to Denver from $31

Route at a glance

Cheapest ticket: $31 · Dec 16
Nonstop flights: yes · Frontier Airlines
Flight time: 2h 56m
Airlines: Frontier Airlines
Cheapest month: December 2026 · $32
Distance: 920 mi

The cheapest ticket from Chicago to Denver is $31 right now: departing Dec 16, Frontier Airlines, nonstop. Nonstop flights are run by Frontier Airlines; the flight takes about 2h 56m. It is cheapest to fly in December (from $32) and priciest in April (from $166). The distance is about 920 miles.

Looking for a quick weekend getaway from Chicago to Denver? You're in the right place! We focus on helping you find the cheapest flights for a two-day trip. Your journey will take you from Chicago O'Hare International Airport directly to Denver International Airport. Frontier Airlines offers direct flights, making your trip simple and fast.

The best time to snag a deal is in December 2026, with prices as low as $38 for a round trip. The cheapest flight we found is on December 10, taking just 3 hours and 4 minutes. If your travel dates are flexible, you can often find better prices. Use the calendar below to explore different dates and find the lowest fares for your Denver adventure.

Cheapest flights from Chicago to Denver

Departs	Airline	Flight time	Price
Dec 16	Frontier Airlinesnonstop	3h 4m	$32	Tickets →
Dec 10	Frontier Airlinesnonstop	3h 4m	$38	Tickets →
Nov 12	Frontier Airlinesnonstop	2h 56m	$40	Tickets →
Dec 5	Frontier Airlinesnonstop	3h 4m	$40	Tickets →
Feb 2	Frontier Airlinesnonstop	3h	$51	Tickets →

We may earn a commission when you book. Prices are snapshots, not a live search.

Prices by month

Month	Price
November 2026	from $40	Tickets →
December 2026	from $32	Tickets →
February 2027	from $51	Tickets →
April 2027	from $166	Tickets →

Calendar: November 2026

Mon	Tue	Wed	Thu	Fri	Sat	Sun
						1
2	3	4$135	5$87	6$87	7$87	8$87
9$87	10$87	11$87	12$40	13$73	14$73	15$73
16$73	17$73	18$73	19$73	20$73	21$73	22$73
23$73	24$106	25$99	26	27	28	29
30

More flights from Chicago

Las Vegasfrom $63

Flights to Denver from other cities

San Franciscofrom $118

FAQ

How much is a flight from Chicago to Denver?

The cheapest one-way ticket is $32 right now (Dec 16, Frontier Airlines, nonstop).

Are there nonstop flights from Chicago to Denver?

Yes — Frontier Airlines fly nonstop; the flight takes about 2h 56m.

When is it cheapest to fly from Chicago to Denver?

in December from $32; priciest in April (from $166).

Which airport in Denver will I fly into?

All flights from Chicago arrive at Denver International Airport (DEN).

What's the best way to find the absolute cheapest dates?

The best way to find the lowest prices is to be flexible with your travel dates. Our calendar below highlights the cheapest days to fly, with December 2026 currently offering the best deals.