$79 Cheap United flights Denver (DEN) to Chicago (ORD)

View $79 flight on Sat, Oct 11, 2025Opens in a new window

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$79 Cheap United flights Denver (DEN) to Chicago (ORD)

Prices were available within the past 7 days and start at $79 for one-way flights and $148 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Sat, Oct 11 - Sat, Oct 18
DEN
Denver
ORD
Chicago
$148 Roundtrip, just found
$148
Roundtrip
just found
Select United flight, departing Sat, Oct 11 from Denver to Chicago, returning Sat, Oct 18, priced at $148 just found
United
Tue, Sep 16 - Wed, Sep 17
DEN
Denver
ORD
Chicago
$150 Roundtrip, just found
$150
Roundtrip
just found
Select United flight, departing Tue, Sep 16 from Denver to Chicago, returning Wed, Sep 17, priced at $150 just found
United
Mon, Sep 29 - Sat, Oct 4
DEN
Denver
ORD
Chicago
$154 Roundtrip, found 21 hours ago
$154
Roundtrip
found 21 hours ago
Select United flight, departing Mon, Sep 29 from Denver to Chicago, returning Sat, Oct 4, priced at $154 found 21 hours ago
United
Tue, Oct 7 - Sat, Oct 11
DEN
Denver
ORD
Chicago
$156 Roundtrip, found 1 hour ago
$156
Roundtrip
found 1 hour ago
Select United flight, departing Tue, Oct 7 from Denver to Chicago, returning Sat, Oct 11, priced at $156 found 1 hour ago
United
Tue, Dec 9 - Mon, Dec 15
DEN
Denver
ORD
Chicago
$157 Roundtrip, found 1 hour ago
$157
Roundtrip
found 1 hour ago
Select United flight, departing Tue, Dec 9 from Denver to Chicago, returning Mon, Dec 15, priced at $157 found 1 hour ago
United
Tue, Sep 23 - Sat, Sep 27
DEN
Denver
ORD
Chicago
$160 Roundtrip, found 1 hour ago
$160
Roundtrip
found 1 hour ago
Select United flight, departing Tue, Sep 23 from Denver to Chicago, returning Sat, Sep 27, priced at $160 found 1 hour ago
Flights from Denver (DEN) to Chicago (ORD)
Origin airport
Denver Intl.
Destination airport
O'Hare Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, Frontier Airlines, JetBlue Airways, Southwest Airlines, Sun Country Airlines, United
Popular airline
Frontier Airlines
Distance
886 mi
Average flight time
3 hours 34 mins

Frequently asked questions

How much is a United Airlines flight from Denver Intl. Airport (DEN) to O'Hare Intl. Airport (ORD)?
Landing cheap one-way United Airlines flights from DEN to ORD from $79 on Expedia couldn't be simpler — just filter by "Price (lowest to highest)." Alternatively, check out our budget-friendly round-trip fares from $148 for your next adventure.**These prices were available on Expedia within the past 7 days, for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.
What is the cheapest month to fly from DEN to ORD with United Airlines?
United Airlines flights to Chicago tend to be cheaper in the quieter months of January and February. Whether you're in search of a return or one-way ticket, you could score a better deal then.
What is the cheapest time to book flights from Denver Intl. Airport (DEN) to O'Hare Intl. Airport (ORD) with United Airlines?
Look for affordable United Airlines flights from Denver Intl. Airport (DEN) to O'Hare Intl. Airport (ORD) one to three months before your departure date. Travelers who book domestic flights 34 to 86 days in advance can save 25% compared to those who book just 6 to 12 days ahead. Regardless of fare type and itinerary, the best day of the week to book a domestic flight is generally Sunday and the most expensive tends to be Monday. Passengers who book on a Sunday can save 6% on average compared to those who book on a Monday.**Ideal booking window recommendation is based on average round-trip ticket prices for January through November for 2024. Best day of the week to book recommendation is based on average round-trip ticket prices for January through October 2024. All data sourced from ARC's global airline sales database.
Does United Airlines fly nonstop from Denver Intl. Airport (DEN) to O'Hare Intl. Airport (ORD)?
Choose from one of United Airlines's 56 direct weekly flights from Denver Intl. Airport (DEN) to O'Hare Intl. Airport (ORD). To view available options, enter your dates, origin and destination and hit search. Then apply the "Nonstop" and "Airline" filters.
How long does it take to fly from DEN to ORD with United Airlines?
It takes around 2h 33m to travel nonstop from Denver Intl. Airport (DEN) to O'Hare Intl. Airport (ORD) with United Airlines.
Which day of the week has the most United Airlines flights from Denver Intl. Airport (DEN) to O'Hare Intl. Airport (ORD)?
If flexibility is what you're after, Wednesday offers the most choice for United Airlines flights from Denver Intl. Airport (DEN) to O'Hare Intl. Airport (ORD). Take your pick of 8 different departures.
What is the earliest United Airlines flight from DEN to ORD?
The first flight from DEN to ORD with United Airlines leaves at 6:00AM UTC-7. You'll land at 9:38AM UTC-6. The final United Airlines flight of the day takes off at 8:29PM UTC-7 and arrives at 11:59PM UTC-6. With around 20% fewer cancellations for morning departures, heading out early is often the smartest option.**Most reliable time of the day recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports does United Airlines fly into in Chicago?
Most United Airlines flights from Denver Intl. Airport (DEN) to Chicago land at O'Hare Intl. Airport (ORD). This is the airline's main entry point here. It's also worth checking out Expedia for flights to nearby airports like Midway Intl. Airport (MDW), as prices may be lower.
Why fly with United Airlines from DEN to ORD?
Depart from DEN to ORD with United Airlines and you'll enjoy a range of perks including a rewarding loyalty program. When you book through Expedia as a United Mileage Plus and One Key™ member, you can also earn OneKeyCash™* to redeem on select future travel purchases.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.
What type of plane does United Airlines fly from Denver Intl. Airport (DEN) to O'Hare Intl. Airport (ORD)?
For the Denver Intl. Airport (DEN) to O'Hare Intl. Airport (ORD) route, United Airlines typically uses Boeing 757-300 and Boeing 737-900 planes. Don't forget that last-minute changes can occur for operational needs, so your flight may be on another aircraft.
Can I change or cancel my United Airlines flight from Denver Intl. Airport (DEN) to O'Hare Intl. Airport (ORD)?
Depending on the type of fare you purchased, a fee will generally apply if you cancel or reschedule your booking more than 24 hours after it's been confirmed. To secure flexible plane tickets, select our "Changes included" or "No cancel fee" filter when you search for flights. For additional information on modifying or canceling your reservation, visit "Trips," select your flight and click on "Manage Booking."

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