$64+ Cheap flights from Chicago (CHI) to Aurora, CO
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/23. Fares are subject to change and may not be available on all flights or dates of travel.
CHI — DEN
janv. 11 — janv. 181
1 adult, Economy
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Find cheap flights from Chicago to Aurora with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheapflights Tip: The best prices from Chicago to Aurora are usually found in January or October, booked 35 days in advance, depart on a Wednesday or Saturday and return on a Thursday
Cheap flight deals from Chicago to Aurora
Cheapest flights from Chicago to AuroraExplore the most affordable flight options available from Chicago to Aurora. Find the lowest fares from popular airlines and budget airlines, with prices last updated on décembre 12, 2025.
Explore the most affordable flight options available from Chicago to Aurora. Find the lowest fares from popular airlines and budget airlines, with prices last updated on décembre 12, 2025.
This Frontier deal was found by Cheapflights users on 12/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ven. 12/1912:26 pmORD - DEN
1 stop11h 43mFrontier
jeu. 12/258:45 pmDEN - ORD
Nonstop2h 27mFrontier
Deal found 12/10![Frontier logo]()
$145
This Frontier deal was found by Cheapflights users on 12/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mer. 12/249:34 pmORD - DEN
1 stop12h 04mFrontier
mer. 12/318:45 pmDEN - ORD
Nonstop2h 27mFrontier
Deal found 12/11![Frontier logo]()
$171
This Frontier deal was found by Cheapflights users on 12/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dim. 12/2110:49 pmORD - DEN
1 stop11h 15mFrontier
mer. 12/248:45 pmDEN - ORD
Nonstop2h 27mFrontier
Deal found 12/9![Frontier logo]()
$175
This Frontier deal was found by Cheapflights users on 12/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ven. 12/1912:26 pmORD - DEN
1 stop11h 43mFrontier
jeu. 1/83:02 pmDEN - ORD
Nonstop2h 43mFrontier
Deal found 12/11![Frontier logo]()
$177
This Kiwi.com deal was found by Cheapflights users on 12/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sam. 12/132:26 pmORD - DEN
1 stop18h 58mFrontier
mer. 12/248:45 pmDEN - ORD
Nonstop2h 27mFrontier
Deal found 12/9![Frontier logo]()
$178
This Kiwi.com deal was found by Cheapflights users on 12/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 12/3012:32 pmORD - DEN
1 stop10h 36mFrontier
mer. 12/318:45 pmDEN - ORD
Nonstop2h 27mFrontier
Deal found 12/10![Frontier logo]()
$179
This Kiwi.com deal was found by Cheapflights users on 12/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mer. 12/317:00 amORD - DEN
Nonstop2h 56mFrontier
mer. 12/318:45 pmDEN - ORD
Nonstop2h 27mFrontier
Deal found 12/11![Frontier logo]()
$180
This Frontier deal was found by Cheapflights users on 12/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mer. 12/247:00 amORD - DEN
Nonstop2h 56mFrontier
jeu. 12/258:45 pmDEN - ORD
Nonstop2h 27mFrontier
Deal found 12/10![Frontier logo]()
$183
This Frontier deal was found by Cheapflights users on 12/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jeu. 12/187:00 amORD - DEN
Nonstop2h 56mFrontier
jeu. 12/258:45 pmDEN - ORD
Nonstop2h 27mFrontier
Deal found 12/10![Frontier logo]()
$184
This United Airlines deal was found by Cheapflights users on 12/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mer. 12/248:08 pmORD - DEN
Nonstop2h 58mUnited Airlines
jeu. 1/16:00 amDEN - ORD
Nonstop2h 44mUnited Airlines
Deal found 12/10![United Airlines logo]()
$192
This Southwest deal was found by Cheapflights users on 12/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jeu. 12/257:05 amMDW - DEN
Nonstop2h 40mSouthwest
jeu. 1/14:45 pmDEN - MDW
Nonstop2h 20mSouthwest
Deal found 12/11![Southwest logo]()
$227
This Southwest deal was found by Cheapflights users on 12/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mer. 12/242:35 pmMDW - DEN
Nonstop2h 40mSouthwest
jeu. 1/18:00 amDEN - MDW
Nonstop2h 25mSouthwest
Deal found 12/9![Southwest logo]()
$231
Find flight deals from Chicago to Aurora
Keep the following information in mind while searching for Chicago to Aurora flight deals. Data was last updated décembre 12, 2025.
Most accurate provider | CheapOair 3 stars |
|---|---|
Most trusted provider | CheapOair 3 stars |
Round-trip from | $101 (Frontier) |
One-way from | $64 (Frontier) |
Popular in | December |
Cheapest in | January |
Average price | $269 |
Cheapflights Fare Finder
Customize your flight search to find flights from Chicago to Aurora that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated décembre 12, 2025.
Use the filters below to find and compare flights from Chicago to Aurora that are best for you.
Fly from
Chicago
Fly to
Aurora
Route
Depart
Return
Price
ChicagoDenver
ORD - DEN
ORDDEN
Chicago O'Hare Intl
sam. 1/10
3:59 pm-5:57 pm
Nonstop2h 58m
Denver Intl
sam. 1/17
9:40 am-1:22 pm
Nonstop2h 42m
$168
ChicagoDenver
ORD - DEN
ORDDEN
Chicago O'Hare Intl
jeu. 1/1
9:40 pm-11:38 pm
Nonstop2h 58m
Denver Intl
mer. 1/7
5:42 pm-9:15 pm
Nonstop2h 33m
$168
ChicagoDenver
MDW - DEN
MDWDEN
Chicago Midway
mer. 1/7
5:35 pm-7:20 pm
Nonstop2h 45m
Denver Intl
mer. 1/14
9:45 am-1:10 pm
Nonstop2h 25m
$179
ChicagoDenver
ORD - DEN
ORDDEN
Chicago O'Hare Intl
sam. 1/24
12:53 pm-2:51 pm
Nonstop2h 58m
Denver Intl
mar. 1/27
5:42 pm-9:15 pm
Nonstop2h 33m
$179
ChicagoDenver
ORD - DEN
ORDDEN
Chicago O'Hare Intl
mer. 1/7
8:02 pm-9:59 pm
Nonstop2h 57m
Denver Intl
mar. 1/13
5:42 pm-9:15 pm
Nonstop2h 33m
$179
ChicagoDenver
ORD - DEN
ORDDEN
Chicago O'Hare Intl
sam. 1/31
3:59 pm-5:57 pm
Nonstop2h 58m
Denver Intl
mar. 2/3
8:25 pm-11:59 pm
Nonstop2h 34m
$179
ChicagoDenver
ORD - DEN
ORDDEN
Chicago O'Hare Intl
mar. 2/17
12:50 pm-2:48 pm
Nonstop2h 58m
Denver Intl
sam. 2/21
5:54 pm-9:29 pm
Nonstop2h 35m
$179
ChicagoDenver
MDW - DEN
MDWDEN
Chicago Midway
mar. 1/20
10:00 am-2:35 pm
1 stop5h 35m
Denver Intl
sam. 1/24
1:05 pm-4:25 pm
Nonstop2h 20m
$182
ChicagoDenver
ORD - DEN
ORDDEN
Chicago O'Hare Intl
sam. 1/31
7:00 am-8:49 am
Nonstop2h 49m
Denver Intl
lun. 2/2
8:25 pm-11:59 pm
Nonstop2h 34m
$187
ChicagoDenver
MDW - DEN
MDWDEN
Chicago Midway
lun. 1/12
5:35 pm-7:20 pm
Nonstop2h 45m
Denver Intl
jeu. 1/15
7:05 pm-10:25 pm
Nonstop2h 20m
$195
Showing 1-10 of 43 results
Best time to book a flight from Chicago to Aurora
Have a flexible travel schedule? Discover the best time to fly to Aurora from Chicago with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Chicago to Aurora
How far ahead should I book a flight from Chicago to Aurora?
Use this chart to determine the optimal time to book a round-trip flight from Chicago to Aurora. Price data was last updated on December 5, 2025.
To ensure you get the cheapest price possible for a flight from Chicago to Aurora, you should look to book at least 35 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.
What is the cheapest month to book a flight from Chicago to Aurora?
Currently, March is the cheapest month in which you can book a flight from Chicago to Aurora (average of $52). Flying from Chicago to Aurora in July is currently the most expensive (average of $115). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
What is the cheapest time of day to fly from CHI to 9UR?
Find hourly flight availability from Chicago to Aurora. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated décembre 12, 2025.
It’s typically best to fly out from Chicago to Aurora in the afternoon. Doing so could potentially save you 29% on the flight price compared to flying at noon, which is usually more expensive.
What is the cheapest day to fly from Chicago to Aurora?
Use this chart to determine the cheapest time to fly round-trip from Chicago to Aurora. Price data was last updated on December 6, 2025.
Travelers seeking maximum savings on their Chicago to Aurora flight should consider departing on Friday afternoons when fares are most often at their lowest. Sunday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.
Weekly flight availability from Chicago to Aurora
Explore weekly flight availability from Chicago to Aurora. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated décembre 12, 2025.
The most flights from CHI to 9UR are scheduled on a Thursday (53 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (22 on average).
How much does it cost to fly round-trip from Chicago to Aurora?
Reviews of airlines servicing Aurora
Get insights into the airlines that provide service to Aurora. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Aurora. Reviews last updated décembre 12, 2025.
Peruse reviews from past customers who have flown with Southwest, United Airlines, and American Airlines from Chicago to Aurora to help guide your decision. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Food
7.0
Boarding
8.1
Comfort
8.0
Overall
7.9
Entertainment
7.5
Crew
8.6
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Food
7.0
Boarding
8.1
Comfort
8.0
Overall
7.9
Entertainment
7.5
Crew
8.6
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Food
7.0
Boarding
8.1
Comfort
8.0
Overall
7.9
Entertainment
7.5
Crew
8.6
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Food
7.0
Boarding
8.1
Comfort
8.0
Overall
7.9
Entertainment
7.5
Crew
8.6
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Food
7.0
Boarding
8.1
Comfort
8.0
Overall
7.9
Entertainment
7.5
Crew
8.6
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Related info for your journey
Find useful and relevant information for your journey from Chicago to Aurora. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Alternative routes for Chicago to Aurora
See prices for flight routes from nearby airports that may be better suited for you.
Top 4 airlines flying from Chicago to Aurora
Discover the top 4 airlines that operate flights from Chicago to Aurora. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated décembre 12, 2025.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$58 | Average$161 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$153 | Average$269 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$156 | Average$337 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$157 | Average$301 | FlexibilityNo cancel fee | On-time63% |