Cheap flights from Chicago to Denver
Flights overview
Prices shown are for one adult in Economy class flights from Zürich to New York. This includes the cheapest Business class options where available.
Prices reflect the lowest available in the next three months, though they are subject to change and availability.
Last-minute deals apply to the cheapest weekend trips available in the next seven days, with weekend trips being flights departing between Thursday and Saturday and returning on Sunday or Monday.
Flight duration shown is based on nonstop flights or those with the fewest stops available.
Prices reflect the lowest available in the next three months, though they are subject to change and availability.
Last-minute deals apply to the cheapest weekend trips available in the next seven days, with weekend trips being flights departing between Thursday and Saturday and returning on Sunday or Monday.
Flight duration shown is based on nonstop flights or those with the fewest stops available.
Useful information for finding cheap flights from Chicago to Denver and booking your next trip
| Cheapest round-trip flights | $110 | FrontierNonstop4 hrSat, May 9 — Sun, May 10 | The cheapest round-trip flight from Chicago to Denver is currently $110 | |
|---|---|---|---|---|
| Cheapest one-way flight | $37 | FrontierNonstop3 hrWed, Jun 10 | The cheapest one-way flight from Chicago to Denver is currently $37 | |
| Cheapest nonstop flights | $142 | FrontierNonstop4 hrFri, Apr 17 — Sun, Apr 19 | The cheapest nonstop round-trip flight from Chicago to Denver is currently $142 | |
| Last-minute weekend getaway | $225 | SouthwestNonstop3 hrSat, Mar 14 — Sun, Mar 15 | The cheapest last-minute weekend getaway from Chicago to Denver is currently $225 | |
| Cheapest business class flights | $360 | FrontierNonstop4 hrFri, Apr 17 — Sun, Apr 19 | The cheapest business class round-trip flight from Chicago to Denver is currently $360 | |
| Fastest flight | 2 hr 30 min | The fastest nonstop flight from Chicago to Denver takes 2 hr 30 min | ||
| Nonstop flights | Every day | There are direct flights on this route every day. |
When is the cheapest time to fly?
Typical prices for the least expensive flights for weekend trips from Chicago to Denver per month. Insights are based on fares observed in the last 12 months. Current prices may differ.
The cheapest month to fly from Chicago to Denver is typically November. The most expensive month to fly is typically February.
January
Prices in January are usually between $105 and $235.
Popular airlines from Chicago to Denver
Popularity is based on the number of weekly nonstop and connecting flights the airline operates. Connecting flights do not include interline routes.
Flight suggestions are based on an airline's cheapest round-trip fares from Chicago to Denver in the next 3 months. Prices include required taxes + fees for one adult. Optional charges and bag fees may apply.
Typical prices are based on fares observed in the past year for one-week round trips with the same origin, destination, and airline.
- SouthwestNonstopfrom $201Typical price: $175–33546 weekly nonstop flightsMDW, ORD - DENEvery day2396 weekly connecting flightsMDW, ORD - DENEvery day
- UnitedNonstopfrom $201Typical price: $170–34569 weekly nonstop flightsORD - DENEvery day816 weekly connecting flightsORD - DENEvery day
- AmericanNonstopfrom $201Typical price: $175–38027 weekly nonstop flightsORD - DENEvery day208 weekly connecting flightsORD - DENEvery day
- Deltafrom $241Typical price: $215–540355 weekly connecting flightsMDW, ORD - DENEvery day
- FrontierNonstopfrom $110Typical price: $110–2404 weekly nonstop flightsORD - DENEvery Mon, Thu, Fri, Sun75 weekly connecting flightsMDW, ORD - DENEvery day
- Alaskafrom $323Typical price: $320–77021 weekly connecting flightsORD - DENEvery day
Popular airports near Chicago
Distance and driving time are relative to the city center. Airports are listed based on distance from Chicago center and popularity with travelers.
- Chicago O'Hare International Airport (ORD)ChicagoUnited States26 min16 mi
- Chicago Midway International Airport (MDW)ChicagoUnited States25 min9 mi
- Milwaukee Mitchell International Airport (MKE)MilwaukeeUnited States1 hr 24 min75 mi
- Indianapolis International Airport (IND)IndianapolisUnited States2 hr 58 min165 mi
Popular airports near Denver
Distance and driving time are relative to the city center. Airports are listed based on distance from Denver center and popularity with travelers.
- Denver International Airport (DEN)DenverUnited States38 min19 mi
- Colorado Springs Airport (COS)Colorado SpringsUnited States1 hr 27 min66 mi
- Eagle County Regional Airport (EGE)VailUnited States2 hr 19 min103 mi
- Centennial Airport (APA)DenverUnited States27 min14 mi
Frequently asked questions about flying from Chicago to Denver
The cheapest flights from Chicago to Denver are usually in November. Typical ticket prices in November range from $90 to $265.
The cheapest round-trip flight from Chicago to Denver recently found on Google Flights was with Frontier from $110. The cheapest one-way flight was with Frontier from $37.
Some of the cheapest round-trip deals we found with different airlines:
Some of the cheapest round-trip deals we found with different airlines:
- The cheapest Southwest flight from Chicago to Denver is $201, flying from Apr 16 to Apr 20.
- The cheapest United flight from Chicago to Denver is $201, flying from Apr 16 to Apr 20.
- The cheapest American flight from Chicago to Denver is $201, flying from Apr 16 to Apr 20.
- The cheapest Delta flight from Chicago to Denver is $241, flying from May 7 to May 11.
- The cheapest Frontier flight from Chicago to Denver is $110, flying from May 9 to May 10.
- The cheapest Alaska flight from Chicago to Denver is $323, flying from Apr 18 to Apr 20.
The cheapest round-trip flight from Chicago to Denver starts at $110 from Sat, May 9 to Sun, May 10. The cheapest one-way flight starts at $37 and departs on Wed, Jun 10.
2 hr 30 min is the shortest flight time from Chicago to Denver.
Denver’s mild summer months (Jun–Aug) are a popular time for visitors exploring the city and nearby national parks. The ski season runs through winter (Nov–Mar). Major events include the National Western Stock Show & Rodeo (Jan) and A Taste of Colorado (Sep) food and arts festival.
It's easy to use Google Flights to find the cheapest days to fly from Chicago to Denver.
Just click the Departure label near the top of the page to open the calendar. Choose a start date and a return date to see how the round-trip fare changes on those specific days.
Adjust the trip type to see one-way fares. The cheapest available flights are highlighted and easy to spot. Once you settle on dates, click the Search button to see flight options and book the deal.
You can also turn on price tracking to get alerts if the price changes for a route or flight.
Just click the Departure label near the top of the page to open the calendar. Choose a start date and a return date to see how the round-trip fare changes on those specific days.
Adjust the trip type to see one-way fares. The cheapest available flights are highlighted and easy to spot. Once you settle on dates, click the Search button to see flight options and book the deal.
You can also turn on price tracking to get alerts if the price changes for a route or flight.
What counts as the best airline for your flights from Chicago to Denver really depends on your individual needs. You may have a favorite carrier or a loyalty program you like, but price, convenience, and airports served also come into play. Flexibility and booking terms – Can you change flights if you want to stay longer or get a refund if you have to postpone your trip? – are also factors that help determine which airline is best to fly from Chicago to Denver.
In terms of nonstop flights, United is the most popular. United offers 69 nonstop flights and 816 connecting flights per week. United flies from Chicago O'Hare International Airport (ORD) to Denver International Airport (DEN).
In terms of flights, Southwest is the most popular. Southwest offers 46 nonstop flights and 2,396 connecting flights per week. Southwest flies from Chicago Midway International Airport (MDW), Chicago O'Hare International Airport (ORD) to Denver International Airport (DEN).
Other popular airlines flying from Chicago to Denver are:
In terms of nonstop flights, United is the most popular. United offers 69 nonstop flights and 816 connecting flights per week. United flies from Chicago O'Hare International Airport (ORD) to Denver International Airport (DEN).
In terms of flights, Southwest is the most popular. Southwest offers 46 nonstop flights and 2,396 connecting flights per week. Southwest flies from Chicago Midway International Airport (MDW), Chicago O'Hare International Airport (ORD) to Denver International Airport (DEN).
Other popular airlines flying from Chicago to Denver are:
- American offers 27 nonstop flights and 208 connecting flights per week. American flies from Chicago O'Hare International Airport (ORD) to Denver International Airport (DEN).
- Delta offers 355 connecting flights per week. Delta flies from Chicago Midway International Airport (MDW), Chicago O'Hare International Airport (ORD) to Denver International Airport (DEN).
- Frontier offers 4 nonstop flights and 75 connecting flights per week. Frontier flies from Chicago Midway International Airport (MDW), Chicago O'Hare International Airport (ORD) to Denver International Airport (DEN).
- Alaska offers 21 connecting flights per week. Alaska flies from Chicago O'Hare International Airport (ORD) to Denver International Airport (DEN).
The cheapest round-trip flight from Chicago to Denver recently found on Google Flights was with Frontier from $110. The cheapest one-way flight was with Frontier from $37.
Some of the cheapest round-trip deals we found with different airlines:
Some of the cheapest round-trip deals we found with different airlines:
- The cheapest Southwest flight from Chicago to Denver is $201, flying from Apr 16 to Apr 20.
- The cheapest United flight from Chicago to Denver is $201, flying from Apr 16 to Apr 20.
- The cheapest American flight from Chicago to Denver is $201, flying from Apr 16 to Apr 20.
- The cheapest Delta flight from Chicago to Denver is $241, flying from May 7 to May 11.
- The cheapest Frontier flight from Chicago to Denver is $110, flying from May 9 to May 10.
- The cheapest Alaska flight from Chicago to Denver is $323, flying from Apr 18 to Apr 20.
Southwest, United, American and Frontier fly direct from Chicago to Denver.
- There are 46 Southwest direct flights from Chicago to Denver per week. Flights are available every day.
- There are 69 United direct flights from Chicago to Denver per week. Flights are available every day.
- There are 27 American direct flights from Chicago to Denver per week. Flights are available every day.
- There are 4 Frontier direct flights from Chicago to Denver per week. Flights are available on Monday, Thursday, Friday and Sunday.
The cheapest last-minute deal between Chicago and Denver at price $225 is offered by Southwest from Sat, Mar 14 to Sun, Mar 15.
Southwest, United, American and Frontier fly direct from Chicago to Denver.
- There are 46 Southwest direct flights from Chicago to Denver per week. Flights are available every day.
- There are 69 United direct flights from Chicago to Denver per week. Flights are available every day.
- There are 27 American direct flights from Chicago to Denver per week. Flights are available every day.
- There are 4 Frontier direct flights from Chicago to Denver per week. Flights are available on Monday, Thursday, Friday and Sunday.
There are direct flights from Chicago to Denver on a daily basis.
The cheapest direct (nonstop) round-trip flights between Chicago and Denver start at $142 from Fri, Apr 17 to Sun, Apr 19 with Frontier.
It's easy to find nonstop flights with Google Flights! Once you've searched for flights from Chicago to Denver, just select the nonstop flights only option in the 'Stops’ filter in the search form and view all available direct flights and their prices.
The cheapest business class round-trip flights between Chicago and Denver start at $360 from Fri, Apr 17 to Sun, Apr 19 with Frontier.
The cheapest economy class round-trip flights between Chicago and Denver start at $110 from Sat, May 9 to Sun, May 10.
To book business class trips from Chicago to Denver, look for the default Economy selection at the top, and change it to your desired cabin class such as Premium Economy, Business Class, or First Class. You can then select your departure and arrival dates, consider available options, and book your business travel.
You can also adjust the trip type to view one-way fares.
You can also adjust the trip type to view one-way fares.
The best last-minute getaway deal for the next weekend between Chicago and Denver starts at $225 from Sat, Mar 14 to Sun, Mar 15 with Southwest.
The cheapest last-minute deal between Chicago and Denver at price $225 is offered by Southwest from Sat, Mar 14 to Sun, Mar 15.
To find last-minute flight deals from Chicago to Denver, start by entering the city names, select the desired departure and return dates, and hit the Search button to view flight options.
You can check for last-minute flights for the same day or adjust the trip type to see one-way fares.
You can check for last-minute flights for the same day or adjust the trip type to see one-way fares.
Search more flights
Popular trips from Chicago
These suggestions are based on the cheapest fares to popular destinations in the next six months.
Prices include required taxes + fees for 1 adult. Optional charges and bag fees may apply.
- Dallas$75May 9 — May 11Nonstop2 hr 35 minSpirit
- Seattle$217Apr 16 — Apr 19Nonstop4 hr 30 minSouthwest
- Reykjavík$453Apr 24 — Apr 26Nonstop6 hr 5 minIcelandair
- Miami$100Apr 18 — Apr 20Nonstop3 hr 9 minSpirit
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