Cheap flights from Chicago to Denver from $60 MDW, ORD, RFD → DEN

Found recently, and the cheapest we hold

It is also the cheapest return we hold, of any age.

What have prices looked like?

Over 50 days, 24 Sept to 12 Nov, the cheapest return we saw each day was $69 to $175.

Those were the prices on those days, not today's.

Could nearby dates be cheaper?

We hold no other 7-night return fares leaving within 3 days of 10 Feb 2027 to compare.

Every date we hold

5 fares on 2 departure dates

Which month looks cheapest?

February 2027 is the cheapest month — from $167.

Found recently, and the cheapest we hold

It is also the cheapest one-way we hold, of any age.

What have prices looked like?

Over 49 days, 24 Sept to 12 Nov, the cheapest one-way we saw each day was $31 to $149.

Those were the prices on those days, not today's.

Could nearby dates be cheaper?

We hold no other one-way fares leaving within 3 days of 16 Dec to compare.

Every date we hold

7 fares on 3 departure dates

Which month looks cheapest?

December 2026 is the cheapest month — from $60.

Return

Fares 30 to 59 days before departure were typically 68% lower than 0 to 6 days before departure.

From the cheapest return each day between 24 Sept and 12 Nov (50 days), grouped by how many days ahead the flight left; one adult in economy.

Each range covers different departure dates, so this compares typical fares, not the same trip priced twice.

Prices reflect recent searches — current fares may differ.

One-way

Fares 30 to 59 days before departure were typically 51% lower than 14 to 29 days before departure.

From the cheapest one-way each day between 24 Sept and 12 Nov (49 days), grouped by how many days ahead the flight left; one adult in economy.

Each range covers different departure dates, so this compares typical fares, not the same trip priced twice.

Prices reflect recent searches — current fares may differ.

How much is a return flight from Chicago to Denver?

The cheapest return found recently is $167 with Frontier Airlines, 10 Feb 2027 to 17 Feb 2027, found 3 days ago.

How much is a one-way flight from Chicago to Denver?

The cheapest one-way found recently is $60 with Frontier Airlines, 16 Dec, found 2 days ago. The cheapest one-way fare on each of 3 departure dates is usually $73 to $119.

What is the cheapest month to fly from Chicago to Denver?

February 2027 is the cheapest month for a return, from $167, 10 Feb 2027 to 17 Feb 2027, found 3 days ago. December 2026 is the cheapest month for a one-way, from $60, 16 Dec, found 2 days ago.

How far ahead should I book a flight from Chicago to Denver?

In 50 days of prices between 24 Sept and 12 Nov, return fares 30 to 59 days before departure were typically 68% lower than 0 to 6 days before departure. In 49 days of prices between 24 Sept and 12 Nov, one-way fares 30 to 59 days before departure were typically 51% lower than 14 to 29 days before departure.

Is there a direct flight from Chicago to Denver?

Yes, the cheapest nonstop return found recently is $167 with Frontier Airlines, 10 Feb 2027 to 17 Feb 2027, found 3 days ago. The cheapest nonstop one-way found recently is $60 with Frontier Airlines, 16 Dec, found 2 days ago.

How long is the flight from Chicago to Denver?

The cheapest nonstop one-way found recently, with Frontier Airlines on 16 Dec, takes 3 h 4 min from O'Hare International Airport (ORD) to Denver International Airport (DEN).

Which airlines have the cheapest flights from Chicago to Denver?

Between 16 Dec and 6 Jan 2027, Frontier Airlines has the cheapest one-way on all 3 departure dates we hold.