ORD → DEN
Compare one-way, round-trip and flight + hotel packages from Chicago to Denver, a nonstop flight of about 2h 15m, with fares from around 160. Nonstop fares seen from Frontier.
Chicago to Denver is a domestic route covering about 886 miles, arriving at Denver International Airport (DEN) in United States. Peak travel season in Denver runs June–September (sunny, dry mountain air), while November–March is usually the quietest and best-value time to visit. Nonstop fares we've tracked on this route come from Frontier.
| Departing from | O'Hare International Airport (ORD) |
|---|---|
| Arriving at | Denver International Airport (DEN) |
| Distance | 886 miles (1,426 km) |
| Nonstop flight time | About 2h 15m |
| Nonstop airlines seen | Frontier |
| Round-trip fares from | $160 (estimate) |
| Cheapest months | September, February, January |
| Peak season in Denver | June–September |
| Cheapest hotel months in Denver | November–March |
| Best time to book | 1 to 3 months ahead |
| Route info updated | October 16, 2026 |
June–September
Sunny, dry mountain air
April–May & October
Mild, changeable weather
November–March
Cold, snowy in the Rockies
| Month | Fares from |
|---|---|
| January | $180 |
| February | $170 |
| March | $205 |
| April | $195 |
| May | $195 |
| June | $240 |
| July | $235 |
| August | $195 |
| September | $160 |
| October | $190 |
| November | $185 |
| December | $250 |
Nonstop fares we've tracked on this route come from Frontier. Ducoffs.com compares full-service and low-cost airlines flying between Chicago and Denver in a single search, including nonstop and one-stop options, so you can weigh price against total travel time.
Fares on this route tend to be lowest in September, February, and January. For the best selection, book about 1 to 3 months before departure and stay flexible by a day or two.
Chicago and Denver are about 886 miles apart. A nonstop flight takes roughly 2h 15m; connecting itineraries usually add 2 to 5 hours.
The best way to secure budget rates is by comparing multiple airlines simultaneously and checking flexible dates. Ducoffs.com scans available partner networks to bring you real-time pricing options.
Based on typical seasonal demand, September, February, and January tend to offer the lowest fares on this route, with estimated round-trip prices starting around $160. Live prices change daily, so run a search for your exact dates.
Chicago and Denver are about 886 miles apart. A nonstop flight takes roughly 2h 15m, while connecting itineraries usually add 2 to 5 hours depending on the layover.
Recent nonstop fares we've tracked on this route come from Frontier. Schedules change by season, so your live search shows every airline flying your dates.
Hotel rates in Denver are usually lowest in November–March, when demand is quieter, and highest during peak season (June–September). Booking your flight and hotel together can save up to 30%.
This route arrives at Denver International Airport (DEN). Your search results also show nearby airports when they offer a cheaper or faster option.
For this route, booking about 1 to 3 months before departure usually gives the best balance of price and seat selection. Mid-week departures are often cheaper than weekend flights.
Yes. Bundling your travel components can save you up to 30% compared to booking flights and hotels separately, as airlines and properties offer exclusive package discounts.
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