$68+ 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 2/21. Fares are subject to change and may not be available on all flights or dates of travel.
CHI — DEN
Jan 27 — Feb 31
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 October or January, 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 December 28, 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 December 28, 2025.
This Frontier deal was found by Cheapflights users on 12/26. 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.
Mon 12/292:15 pmORD - DEN
1 stop9h 44mFrontier
Wed 12/318:45 pmDEN - ORD
Nonstop2h 27mFrontier
Deal found 12/26![Frontier logo]()
$260
This Super.com deal was found by Cheapflights users on 12/27. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/317:00 amORD - DEN
Nonstop2h 56mFrontier
Sun 1/115:17 pmDEN - ORD
Nonstop2h 40mFrontier
Deal found 12/27![Frontier logo]()
$299
This Cheapflightsfares deal was found by Cheapflights users on 12/26. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/307:01 pmORD - DEN
1 stop29h 03mFrontier
Sun 1/115:17 pmDEN - ORD
Nonstop2h 40mFrontier
Deal found 12/26![Frontier logo]()
$302
This Kiwi.com deal was found by Cheapflights users on 12/27. 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.
Tue 12/302:01 pmMDW - DEN
Nonstop2h 45mFrontier
Sat 1/319:44 pmDEN - MDW
1 stop17h 14mFrontier
Deal found 12/27![Frontier logo]()
$304
This CheapOair deal was found by Cheapflights users on 12/26. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/302:01 pmMDW - DEN
Nonstop2h 45mFrontier
Thu 1/81:42 pmDEN - MDW
1 stop7h 35mFrontier
Deal found 12/26![Frontier logo]()
$313
This Super.com deal was found by Cheapflights users on 12/26. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/306:50 amORD - DEN
1 stop8h 25mFrontier
Mon 1/59:07 pmDEN - ORD
1 stop12h 42mFrontier
Deal found 12/26![Frontier logo]()
$319
This Cheapflightsfares deal was found by Cheapflights users on 12/26. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/3112:39 pmORD - DEN
1 stop10h 29mFrontier
Wed 1/79:00 pmDEN - ORD
1 stop17h 12mFrontier
Deal found 12/26![Frontier logo]()
$320
This eDestinos deal was found by Cheapflights users on 12/25. 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/292:15 pmORD - DEN
1 stop9h 44mFrontier
Sun 1/49:00 pmDEN - ORD
1 stop25h 54mFrontier
Deal found 12/25![Frontier logo]()
$323
This Super.com deal was found by Cheapflights users on 12/26. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/313:10 pmMDW - DEN
1 stop8h 54mFrontier
Wed 1/710:29 pmDEN - MDW
1 stop12h 16mFrontier
Deal found 12/26![Frontier logo]()
$323
This CheapOair deal was found by Cheapflights users on 12/26. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/292:16 pmMDW - DEN
1 stop19h 11mFrontier
Thu 1/811:59 pmDEN - MDW
1 stop22h 10mFrontier
Deal found 12/26![Frontier logo]()
$324
This Expedia deal was found by Cheapflights users on 12/26. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/302:01 pmMDW - DEN
Nonstop2h 45mFrontier
Sun 1/1111:59 pmDEN - MDW
1 stop22h 10mFrontier
Deal found 12/26![Frontier logo]()
$326
This Kiwi.com deal was found by Cheapflights users on 12/26. 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.
Mon 12/292:15 pmORD - DEN
1 stop9h 44mFrontier
Mon 1/59:07 pmDEN - ORD
1 stop12h 42mFrontier
Deal found 12/26![Frontier logo]()
$330
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 December 28, 2025.
Most accurate provider | CheapOair 3 stars |
|---|---|
Most trusted provider | CheapOair 3 stars |
Round-trip from | $115 (CheapOair) |
One-way from | $68 (Kiwi.com) |
Popular in | December |
Cheapest in | October |
Average price | $275 |
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 December 28, 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
Sat 1/17
2:15 pm-4:12 pm
Nonstop2h 57m
Denver Intl
Tue 1/20
8:25 pm-11:59 pm
Nonstop2h 34m
$157
ChicagoDenver
ORD - DEN
ORDDEN
Chicago O'Hare Intl
Wed 2/11
7:00 am-8:49 am
Nonstop2h 49m
Denver Intl
Wed 2/18
7:24 pm-10:53 pm
Nonstop2h 29m
$168
ChicagoDenver
MDW - DEN
MDWDEN
Chicago Midway
Tue 2/17
8:50 pm-10:35 pm
Nonstop2h 45m
Denver Intl
Wed 2/18
11:20 am-6:35 pm
1 stop6h 15m
$178
ChicagoDenver
MDW - DEN
MDWDEN
Chicago Midway
Wed 2/11
10:00 am-2:35 pm
1 stop5h 35m
Denver Intl
Wed 2/18
4:35 pm-7:55 pm
Nonstop2h 20m
$182
ChicagoDenver
ORD - DEN
ORDDEN
Chicago O'Hare Intl
Wed 2/11
2:15 pm-9:05 pm
1 stop7h 50m
Denver Intl
Sat 2/14
10:25 am-2:05 pm
Nonstop2h 40m
$186
ChicagoDenver
MDW - DEN
MDWDEN
Chicago Midway
Sun 1/18
2:10 pm-3:50 pm
Nonstop2h 40m
Denver Intl
Thu 1/22
11:20 am-6:35 pm
1 stop6h 15m
$186
ChicagoDenver
ORD - DEN
ORDDEN
Chicago O'Hare Intl
Wed 3/4
7:15 am-3:05 pm
1 stop8h 50m
Denver Intl
Sat 3/7
11:25 am-3:00 pm
Nonstop2h 35m
$193
ChicagoDenver
MDW - DEN
MDWDEN
Chicago Midway
Sat 1/24
4:05 pm-5:50 pm
Nonstop2h 45m
Denver Intl
Sat 1/31
8:20 am-11:45 am
Nonstop2h 25m
$195
ChicagoDenver
MDW - DEN
MDWDEN
Chicago Midway
Sun 2/15
2:05 pm-3:45 pm
Nonstop2h 40m
Denver Intl
Thu 2/19
5:40 pm-9:05 pm
Nonstop2h 25m
$196
ChicagoDenver
MDW - DEN
MDWDEN
Chicago Midway
Sun 1/18
8:10 am-10:00 am
Nonstop2h 50m
Denver Intl
Sun 1/25
7:40 am-11:10 am
Nonstop2h 30m
$197
Showing 1-10 of 42 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 26, 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 December 28, 2025.
It’s typically best to fly out from Chicago to Aurora at noon. Doing so could potentially save you 11% on the flight price compared to flying in the evening, 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 27, 2025.
Travelers seeking maximum savings on their Chicago to Aurora flight should consider departing on Friday at noon 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 December 28, 2025.
The most flights from CHI to 9UR are scheduled on a Friday (59 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (28 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 December 28, 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.
Boarding
8.1
Food
7.0
Overall
8.0
Comfort
8.0
Crew
8.6
Entertainment
7.5
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Boarding
8.1
Food
7.0
Overall
8.0
Comfort
8.0
Crew
8.6
Entertainment
7.5
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Boarding
8.1
Food
7.0
Overall
8.0
Comfort
8.0
Crew
8.6
Entertainment
7.5
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Boarding
8.1
Food
7.0
Overall
8.0
Comfort
8.0
Crew
8.6
Entertainment
7.5
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Boarding
8.1
Food
7.0
Overall
8.0
Comfort
8.0
Crew
8.6
Entertainment
7.5
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 December 28, 2025.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$59 | Average$160 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$153 | Average$267 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$155 | Average$336 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$157 | Average$304 | FlexibilityNo cancel fee | On-time63% |