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Cheap flights from Denver to Chicago

Fares from $54 in December 2026. Compare every month below, then book with the site you like.

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Cheapest Denver to Chicago fares by month

Lowest price per person found in recent searches. Prices change often and are checked when you book.

Denver to Chicago at a glance

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Frequently asked questions

How much is a flight from Denver to Chicago?
The cheapest fare we found recently is $54 per person, departing Dec 14 on Frontier. Prices change daily, so search your dates to see today's fares.
What is the cheapest month to fly from Denver to Chicago?
December 2026 is currently the cheapest month, from $54. November 2026 is the most expensive, from $75.
Are there direct flights from Denver to Chicago?
Yes. Recent searches found nonstop fares from $54.
Which airlines fly from Denver to Chicago?
The cheapest recent fares on this route were on Frontier.
How long is the flight from Denver to Chicago?
Denver and Chicago are about 886 miles apart, so a nonstop flight takes roughly 2h 30m. Flights with a stop take longer, depending on the connection.
How do I find the cheapest flight from Denver to Chicago?
Search your dates on Gotoesy. We list fares from several booking sites sorted cheapest first, show nearby dates when your day has no saved fare, and send you straight to the seller to book.

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