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Good to Know: Flights to DEN
Useful information for finding cheap flights to Denver International and booking your next trip
Cheapest Round Trip Flight
$274
Frontier Airlines• 1 stop • 4h 16mDec 22 – Dec 29
The cheapest round trip flight from Chicago O'Hare International to Denver International is currently $274
Cheapest One way Flight
$130
Southwest Airlines• 1 stop• 13h 20mDec 22
The cheapest one way flight from Chicago O'Hare International to Denver International is currently $130
Cheapest Direct Flight
$209
United Airlines• nonstop• 4h 18mDec 22
The cheapest nonstop flight from Chicago O'Hare International to Denver International is currently $209
Fastest Flight
4h 8m
The fastest nonstop flight from Chicago O'Hare International to Denver International takes 4h 8m
Best Flight Deals to Denver
Identify the most efficient round-trip flights to Denver. We present options balancing cost and convenience for your return journey.
Dec 22 - Dec 29, Economy
Chicago → Denver
4h 16m
1:32 PM - 12:25 AM • 1 stop
Chicago → Denver
3h 47m
8:45 PM - 12:12 AM • nonstop
Frontier Airlines
Dec 22 - Dec 29, Economy
Chicago → Denver
15h
1:45 PM - 9:45 PM • 1 stop
Chicago → Denver
10h
5:15 AM - 12:15 PM • 1 stop
Southwest Airlines
Dec 22 - Dec 29, Economy
Chicago → Denver
15h
1:45 PM - 9:45 PM • 1 stop
Chicago → Denver
3h 50m
10:35 AM - 2:05 PM • nonstop
Southwest Airlines
Dec 22 - Dec 29, Economy
Chicago → Denver
4h 16m
1:32 PM - 12:25 AM • 1 stop
Chicago → Denver
3h 47m
5:48 PM - 11:54 PM • 1 stop
Frontier Airlines
Dec 22 - Dec 29, Economy
Chicago → Denver
13h 20m
2:15 PM - 9:15 PM • 1 stop
Chicago → Denver
3h 50m
10:35 AM - 2:05 PM • nonstop
Southwest Airlines
For travel requiring no set return, access available one-way flights to Denver (DEN). These options support extended stays or open-ended plans.
Need to travel to Denver soon? View current last-minute flight options to DEN for spontaneous or pressing plans.
Nov 08 - Nov 15, Economy
Milwaukee → Denver
13h 40m
10:30 AM - 5:50 PM • 1 stop
Milwaukee → Denver
23h 20m
6:00 AM - 9:00 PM • 1 stop
Southwest Airlines
Nov 08 - Nov 15, Economy
Milwaukee → Denver
17h 35m
6:25 AM - 4:20 PM • 1 stop
Milwaukee → Denver
23h 20m
6:00 AM - 9:00 PM • 1 stop
Southwest Airlines
Nov 08 - Nov 15, Economy
Milwaukee → Denver
21h 45m
6:25 AM - 6:30 PM • 1 stop
Milwaukee → Denver
23h 20m
6:00 AM - 9:00 PM • 1 stop
Southwest Airlines
Nov 08 - Nov 15, Economy
Milwaukee → Denver
13h 50m
6:25 AM - 1:55 PM • 1 stop
Milwaukee → Denver
23h 20m
6:00 AM - 9:00 PM • 1 stop
Southwest Airlines
Nov 08 - Nov 15, Economy
Milwaukee → Denver
18h 35m
7:30 AM - 5:45 PM • 1 stop
Milwaukee → Denver
23h 20m
6:00 AM - 9:00 PM • 1 stop
Southwest Airlines
Maximize your time in Denver, not in transit. Discover non-stop direct flights to DEN for the quickest, most straightforward journey to the Strip.
Dec 22 - Dec 29, Economy
Chicago → Denver
4h 18m
10:56 AM - 12:54 PM • nonstop
Chicago → Denver
3h 55m
11:20 AM - 2:55 PM • nonstop
United Airlines
Dec 22 - Dec 29, Economy
Chicago → Denver
4h 8m
8:20 AM - 10:08 AM • nonstop
Chicago → Denver
4h 6m
6:44 AM - 10:30 AM • nonstop
American Airlines
Dec 22 - Dec 29, Economy
Chicago → Denver
4h 17m
1:55 PM - 3:52 PM • nonstop
Chicago → Denver
3h 54m
5:45 PM - 9:19 PM • nonstop
United Airlines
Dec 22 - Dec 29, Economy
Chicago → Denver
4h 18m
12:45 PM - 2:43 PM • nonstop
Chicago → Denver
3h 53m
8:26 PM - 11:59 PM • nonstop
United Airlines
Dec 22 - Dec 29, Economy
Chicago → Denver
4h 10m
8:45 AM - 10:35 AM • nonstop
Chicago → Denver
3h 54m
7:26 PM - 11:00 PM • nonstop
United Airlines
Essential Information for Booking Flights from () - AI Insights
What's the cheapest airline to den?
United Airlines (UA) offers the most affordable fares to Denver International Airport (den) for one passenger traveling in Economy class. It’s a reliable option for finding cheap airline tickets to Denver.
What's the popular airline to fly to den?
United Airlines (UA) offers popular routes to Denver International Airport (den), with fares for one passenger in Economy class.
What's the cheapest day of the week to fly to den?
Saturday is the cheapest day to fly to Denver International Airport for a single passenger in Economy class.
What's the cheapest month to fly to den?
April is the cheapest month to fly to Denver International Airport for a one-person economy flight.
What is the lowest fare for a flight to Denver International Airport?
United Airlines offers the lowest fares for flights to Denver International Airport, typically ranging from $250 to $450 depending on the date and booking time.
When are the cheapest days to fly to Denver International Airport?
Saturday and April are generally the cheapest days to fly to Denver International Airport.
What airlines typically offer the most affordable flights to Denver International Airport?
United Airlines consistently provides the most affordable options to Denver International Airport.
Is there a specific time of year with lower fares to Denver International Airport?
April and early May are often considered the most affordable months to fly to Denver International Airport.
What airline operates flights to Denver International Airport?
United Airlines operates flights to Denver International Airport.
Destination Airport Information
| IATA Code | DEN |
| Name | Denver International |
| City | Denver |
| Country | US |
| Latitude | 39.861698150634766 |
| Longitude | -104.6729965209961 |
Popular Airlines
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