Cheap flights from Chicago to Denver
Fares from $31 in December 2026. Compare every month below, then book with the site you like.
Search Chicago → Denver flightsCheapest Chicago to Denver fares by month
Lowest price per person found in recent searches. Prices change often and are checked when you book.
- November 2026Nov 25 · one way · Frontier · 1 stop$96See deal
- December 2026Dec 16 · one way · Frontier · Direct$31See deal
Chicago to Denver at a glance
- Distance886 miles
- Nonstop flight timeabout 2h 30m
- Cheapest monthDecember 2026
- Airport codesCHI → DEN
Plan your Denver trip
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Frequently asked questions
- How much is a flight from Chicago to Denver?
- The cheapest fare we found recently is $31 per person, departing Dec 16 on Frontier. Prices change daily, so search your dates to see today's fares.
- What is the cheapest month to fly from Chicago to Denver?
- December 2026 is currently the cheapest month, from $31. November 2026 is the most expensive, from $96.
- Are there direct flights from Chicago to Denver?
- Yes. Recent searches found nonstop fares from $31.
- Which airlines fly from Chicago to Denver?
- The cheapest recent fares on this route were on Frontier.
- How long is the flight from Chicago to Denver?
- Chicago and Denver 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 Chicago to Denver?
- 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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