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

View $79 flight on Tue, Oct 21, 2025Opens in a new window

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

Prices were available within the past 7 days and start at $79 for one-way flights and $164 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Sat, Sep 13 - Mon, Sep 22
ORD
Chicago
DEN
Denver
$164 Roundtrip, found 18 hours ago
$164
Roundtrip
found 18 hours ago
Select United flight, departing Sat, Sep 13 from Chicago to Denver, returning Mon, Sep 22, priced at $164 found 18 hours ago
United
Sat, Aug 16 - Wed, Aug 20
ORD
Chicago
DEN
Denver
$166 Roundtrip, just found
$166
Roundtrip
just found
Select United flight, departing Sat, Aug 16 from Chicago to Denver, returning Wed, Aug 20, priced at $166 just found
United
Sat, Sep 20 - Tue, Sep 23
ORD
Chicago
DEN
Denver
$171 Roundtrip, just found
$171
Roundtrip
just found
Select United flight, departing Sat, Sep 20 from Chicago to Denver, returning Tue, Sep 23, priced at $171 just found
United
Mon, Oct 27 - Sat, Nov 8
ORD
Chicago
DEN
Denver
$172 Roundtrip, just found
$172
Roundtrip
just found
Select United flight, departing Mon, Oct 27 from Chicago to Denver, returning Sat, Nov 8, priced at $172 just found
United
Sat, Nov 15 - Mon, Nov 17
ORD
Chicago
DEN
Denver
$177 Roundtrip, found 12 hours ago
$177
Roundtrip
found 12 hours ago
Select United flight, departing Sat, Nov 15 from Chicago to Denver, returning Mon, Nov 17, priced at $177 found 12 hours ago
United
Sat, Aug 16 - Wed, Aug 20
ORD
Chicago
DEN
Denver
$178 Roundtrip, just found
$178
Roundtrip
just found
Select United flight, departing Sat, Aug 16 from Chicago to Denver, returning Wed, Aug 20, priced at $178 just found
United
Sun, Aug 24 - Sat, Aug 30
ORD
Chicago
DEN
Denver
$186 Roundtrip, just found
$186
Roundtrip
just found
Select United flight, departing Sun, Aug 24 from Chicago to Denver, returning Sat, Aug 30, priced at $186 just found
United
Mon, Aug 25 - Sat, Aug 30
ORD
Chicago
DEN
Denver
$190 Roundtrip, found 2 hours ago
$190
Roundtrip
found 2 hours ago
Select United flight, departing Mon, Aug 25 from Chicago to Denver, returning Sat, Aug 30, priced at $190 found 2 hours ago
Flights from Chicago (ORD) to Denver (DEN)
Origin airport
O'Hare Intl.
Destination airport
Denver Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, Frontier Airlines, JetBlue Airways, KEY LIME AIR DBA DENVER AIR CONNECTION, Southwest Airlines, Sun Country Airlines, United
Popular airline
Frontier Airlines
Distance
886 mi
Average flight time
1 hour 41 mins

Frequently asked questions

How much is a United Airlines flight from O'Hare Intl. Airport (ORD) to Denver Intl. Airport (DEN)?
Grab cheap return United Airlines flights from $164 from ORD to DEN by organizing your results from "Price (lowest to highest)" on Expedia. Or search for deals from $79 for a one-way trip.**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 ORD to DEN with United Airlines?
United Airlines flights to Denver are usually cheaper in the off-peak months of January and November. Whether you need a return or one-way ticket, you could find a better deal then.
What is the cheapest time to book flights from O'Hare Intl. Airport (ORD) to Denver Intl. Airport (DEN) with United Airlines?
To find cheap United Airlines fares from O'Hare Intl. Airport (ORD) to Denver Intl. Airport (DEN), start searching one to three months before your intended departure. Securing domestic flights 34 to 86 days in advance could save you 25% compared to booking just 6 to 12 days ahead. The day you book can also affect how much you pay. Sunday tends to be the cheapest, while Monday is often the most expensive for domestic flights. You can save 6% on average by booking your journey on a Sunday.**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 O'Hare Intl. Airport (ORD) to Denver Intl. Airport (DEN)?
United Airlines has direct flights from O'Hare Intl. Airport (ORD) to Denver Intl. Airport (DEN), with 56 departures every week. Simply apply the "Nonstop" and "Airline" filters while searching on Expedia to show all direct United Airlines flights to DEN.
How long does it take to fly from ORD to DEN with United Airlines?
It takes around 2h 51m to travel nonstop from O'Hare Intl. Airport (ORD) to Denver Intl. Airport (DEN) with United Airlines.
Which day of the week has the most United Airlines flights from O'Hare Intl. Airport (ORD) to Denver Intl. Airport (DEN)?
Thursday has the most United Airlines flights from O'Hare Intl. Airport (ORD) to Denver Intl. Airport (DEN). With 8 daily departures, this is a great day to book something that will fit your plans.
What is the earliest United Airlines flight from ORD to DEN?
The first United Airlines flight from ORD to DEN takes off at 7:10AM UTC-6, arriving at 9:00AM UTC-7. If you'd like to set off later, the last United Airlines flight leaves ORD at 8:05PM UTC-6 and lands at DEN at 9:58PM UTC-7. Flying early is generally a smart option as morning and mid-morning flights are less likely to experience cancellations.**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 Denver?
Denver Intl. Airport (DEN) is the main Denver gateway for United Airlines flights from O'Hare Intl. Airport (ORD).
Why fly with United Airlines from ORD to DEN?
Travel from ORD to DEN with United Airlines and you'll enjoy a range of benefits 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 use 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 O'Hare Intl. Airport (ORD) to Denver Intl. Airport (DEN)?
You'll likely be onboard a Boeing 757-300 or an Airbus A321neo when flying United Airlines from O'Hare Intl. Airport (ORD) to Denver Intl. Airport (DEN). However, keep in mind that a different aircraft could be assigned to your route due to operational demands.
Can I change or cancel my United Airlines flight from O'Hare Intl. Airport (ORD) to Denver Intl. Airport (DEN)?
Changes are typically free within 24 hours of making your booking, but your airline may charge a fee after that. For more details about modifying your reservation, head to your "Trips," select your flight and click on "Manage Booking." If you'd like the freedom to adjust your plans without being charged, apply the "Changes included" or "No cancel fee" filter when organizing your next adventure.

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