$126 Cheap United flights Colorado Springs (COS) to Chicago (ORD)

View $126 flight on Tue, Aug 26, 2025Opens in a new window

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$126 Cheap United flights Colorado Springs (COS) to Chicago (ORD)

Prices were available within the past 7 days and start at $126 for one-way flights and $251 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Tue, Aug 26 - Sun, Aug 31
COS
Colorado Springs
ORD
Chicago
$251 Roundtrip, just found
$251
Roundtrip
just found
Select United flight, departing Tue, Aug 26 from Colorado Springs to Chicago, returning Sun, Aug 31, priced at $251 just found
United
Mon, Aug 18 - Wed, Aug 20
COS
Colorado Springs
ORD
Chicago
$253 Roundtrip, found 9 hours ago
$253
Roundtrip
found 9 hours ago
Select United flight, departing Mon, Aug 18 from Colorado Springs to Chicago, returning Wed, Aug 20, priced at $253 found 9 hours ago
United
Thu, Aug 21 - Mon, Aug 25
COS
Colorado Springs
ORD
Chicago
$255 Roundtrip, found 4 days ago
$255
Roundtrip
found 4 days ago
Select United flight, departing Thu, Aug 21 from Colorado Springs to Chicago, returning Mon, Aug 25, priced at $255 found 4 days ago
United
Wed, Sep 24 - Sat, Sep 27
COS
Colorado Springs
ORD
Chicago
$261 Roundtrip, found 4 days ago
$261
Roundtrip
found 4 days ago
Select United flight, departing Wed, Sep 24 from Colorado Springs to Chicago, returning Sat, Sep 27, priced at $261 found 4 days ago
United
Mon, Aug 18 - Wed, Aug 20
COS
Colorado Springs
ORD
Chicago
$263 Roundtrip, found 9 hours ago
$263
Roundtrip
found 9 hours ago
Select United flight, departing Mon, Aug 18 from Colorado Springs to Chicago, returning Wed, Aug 20, priced at $263 found 9 hours ago
United
Mon, Aug 18 - Wed, Aug 20
COS
Colorado Springs
ORD
Chicago
$265 Roundtrip, found 9 hours ago
$265
Roundtrip
found 9 hours ago
Select United flight, departing Mon, Aug 18 from Colorado Springs to Chicago, returning Wed, Aug 20, priced at $265 found 9 hours ago
Flights from Colorado Springs (COS) to Chicago (ORD)
Origin airport
Colorado Springs
Destination airport
O'Hare Intl.
Airlines serving
American Airlines, Delta, Southwest Airlines, United
Popular airline
United
Distance
909 mi
Average flight time
4 hours 13 mins

Frequently asked questions

How much is a United Airlines flight from Colorado Springs Airport (COS) to O'Hare Intl. Airport (ORD)?
You can find budget-friendly return United Airlines flights from $251 from COS to ORD by filtering your results from "Price (lowest to highest)" on Expedia. Or look for bargains from $126 for a one-way journey.**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 COS to ORD with United Airlines?
United Airlines flights to Chicago are generally more affordable in the low-season months of January and February. Whether you're searching for a return or one-way ticket, you could land a better deal then.
What is the cheapest time to book flights from Colorado Springs Airport (COS) to O'Hare Intl. Airport (ORD) with United Airlines?
For cheap United Airlines fares from Colorado Springs Airport (COS) to O'Hare Intl. Airport (ORD), start searching one to three months before your intended departure. Reserving 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 impact 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 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 Colorado Springs Airport (COS) to O'Hare Intl. Airport (ORD)?
United Airlines has direct flights from Colorado Springs Airport (COS) to O'Hare Intl. Airport (ORD), with 7 weekly departures. Simply use the "Nonstop" and "Airline" filters while searching on Expedia to show all direct United Airlines flights to ORD.
How long does it take to fly from COS to ORD with United Airlines?
From wheels-up to touchdown, a direct United Airlines flight from Colorado Springs Airport (COS) to O'Hare Intl. Airport (ORD) typically takes 2h 48m.
What is the earliest United Airlines flight from COS to ORD?
Leaving COS at 12:54PM UTC-7, the first United Airlines flight to ORD lands at 4:42PM UTC-6. Flying early means you'll be less likely to encounter delays.* Prefer a later start? The last United Airlines flight from COS to ORD departs at 12:54PM UTC-7 and touches down at 4:42PM UTC-6.*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?
The majority of United Airlines flights from Colorado Springs Airport (COS) to Chicago touch down at O'Hare Intl. Airport (ORD). This is the airline's main entry point to this city. It's also worth checking Expedia for flights to nearby airports such as Midway Intl. Airport (MDW), as prices may be cheaper.
Why fly with United Airlines from COS to ORD?
A rewarding loyalty program and the chance to rack up points through United Mileage Plus are the start of the reasons to leave from COS to ORD with United Airlines. Plus, by joining Expedia's free One Key™ program, you can earn OneKeyCash™* on top of United Airlines's loyalty program earnings. It's yours to spend on your next adventure.*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 Colorado Springs Airport (COS) to O'Hare Intl. Airport (ORD)?
United Airlines usually operates Embraer 175 planes for journeys from Colorado Springs Airport (COS) to O'Hare Intl. Airport (ORD). Bear in mind that aircraft type can vary depending on operational needs, so the plane you board might be different on the day.
Can I change or cancel my United Airlines flight from Colorado Springs Airport (COS) to O'Hare Intl. Airport (ORD)?
Typically, you can cancel or reschedule your flight, although additional fees may apply if you booked over 24 hours ago. Need to keep your options open? Make use of our "No cancel fee" and "Changes included" filters to find flights that won't charge you extra if you need to alter your plans. To make modifications, head to "Trips," select your flight and click on "Manage Booking" for further information.

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