$79+ 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 4/9. Fares are subject to change and may not be available on all flights or dates of travel.
CHI — DEN
feb. 13 — feb. 201
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 September, booked 35 days in advance, depart on a Saturday or Wednesday and return on a Thursday
Cheap flight deals from Chicago to Aurora
Keep the following information in mind while searching for Chicago to Aurora flight deals. Data was last updated enero 14, 2026.
Most accurate provider | CheapOair 3 stars |
|---|---|
Most trusted provider | CheapOair 3 stars |
Round-trip from | $107 (Frontier) |
One-way from | $79 (Kiwi.com) |
Popular in | December |
Cheapest in | October |
Average price | $200 |
Find 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 enero 14, 2026.
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 enero 14, 2026.
This Frontier deal was found by Cheapflights users on 1/12. 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.
lun. 1/265:40 am
ORD
- DEN
1 stop7h 39m
Frontier
jue. 2/52:57 pm
DEN
- ORD
Nonstop2h 34m
Frontier
Deal found 1/12![Frontier logo]()
$107
This Frontier deal was found by Cheapflights users on 1/12. 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.
mar. 2/1011:51 am
ORD
- DEN
1 stop10h 50m
Frontier
vie. 2/208:24 am
DEN
- ORD
Nonstop2h 34m
Frontier
Deal found 1/12![Frontier logo]()
$108
This Frontier deal was found by Cheapflights users on 1/12. 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.
sáb. 1/246:03 am
ORD
- DEN
1 stop7h 16m
Frontier
jue. 2/52:57 pm
DEN
- ORD
Nonstop2h 34m
Frontier
Deal found 1/12![Frontier logo]()
$113
This Kiwi.com deal was found by Cheapflights users on 1/13. 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.
jue. 2/264:16 pm
ORD
- DEN
Nonstop3h 07m
Frontier
lun. 3/26:00 am
DEN
- ORD
1 stop7h 30m
Frontier
Deal found 1/13![Frontier logo]()
$114
This Cheapflightsfares deal was found by Cheapflights users on 1/12. 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.
sáb. 3/148:55 pm
ORD
- DEN
1 stop8h 01m
Frontier
lun. 3/169:29 pm
DEN
- ORD
Nonstop2h 38m
Frontier
Deal found 1/12![Frontier logo]()
$115
This Expedia deal was found by Cheapflights users on 1/12. 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.
mié. 3/188:05 am
ORD
- DEN
1 stop25h 15m
Frontier
sáb. 3/219:00 pm
DEN
- ORD
Nonstop2h 38m
Frontier
Deal found 1/12![Frontier logo]()
$116
This Cheapflightsfares deal was found by Cheapflights users on 1/12. 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.
jue. 2/194:16 pm
ORD
- DEN
Nonstop3h 07m
Frontier
lun. 2/2310:00 am
DEN
- ORD
1 stop10h 40m
Frontier
Deal found 1/12![Frontier logo]()
$117
This Cheapflightsfares deal was found by Cheapflights users on 1/12. 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.
mié. 2/1112:36 pm
ORD
- DEN
1 stop9h 59m
Frontier
dom. 2/158:52 pm
DEN
- ORD
Nonstop2h 28m
Frontier
Deal found 1/12![Frontier logo]()
$118
This Frontier deal was found by Cheapflights users on 1/12. 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.
jue. 2/2611:41 am
ORD
- DEN
1 stop11h 04m
Frontier
jue. 3/57:35 pm
DEN
- ORD
Nonstop2h 39m
Frontier
Deal found 1/12![Frontier logo]()
$119
This Cheapflightsfares deal was found by Cheapflights users on 1/12. 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.
dom. 2/112:07 pm
ORD
- DEN
Nonstop2h 58m
Frontier
jue. 2/52:57 pm
DEN
- ORD
Nonstop2h 34m
Frontier
Deal found 1/12![Frontier logo]()
$120
This Frontier deal was found by Cheapflights users on 1/14. 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.
jue. 4/27:00 am
ORD
- DEN
Nonstop2h 56m
Frontier
mar. 4/72:42 pm
DEN
- ORD
1 stop8h 19m
Frontier
Deal found 1/14![Frontier logo]()
$121
This Kiwi.com deal was found by Cheapflights users on 1/14. 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.
sáb. 2/289:15 am
MDW
- DEN
1 stop13h 20m
Frontier
lun. 3/212:59 am
DEN
- MDW
1 stop17h 08m
Frontier
Deal found 1/14![Frontier logo]()
$129
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 enero 14, 2026.
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
MDW - DEN
MDWDEN
Chicago Midway
mié. 2/18
10:05 am-11:50 am
Nonstop2h 45m
Denver Intl
mar. 2/24
6:25 pm-9:50 pm
Nonstop2h 25m
$179
ChicagoDenver
ORD - DEN
ORDDEN
Chicago O'Hare Intl
mar. 2/17
7:10 am-9:03 am
Nonstop2h 53m
Denver Intl
sáb. 2/21
8:30 pm-11:59 pm
Nonstop2h 29m
$179
ChicagoDenver
MDW - DEN
MDWDEN
Chicago Midway
mar. 2/17
8:00 am-9:50 am
Nonstop2h 50m
Denver Intl
sáb. 2/21
7:20 am-10:55 am
Nonstop2h 35m
$187
ChicagoDenver
MDW - DEN
MDWDEN
Chicago Midway
mié. 2/4
5:35 pm-7:20 pm
Nonstop2h 45m
Denver Intl
mié. 2/11
4:35 pm-7:55 pm
Nonstop2h 20m
$187
ChicagoDenver
ORD - DEN
ORDDEN
Chicago O'Hare Intl
sáb. 2/14
5:50 pm-7:48 pm
Nonstop2h 58m
Denver Intl
dom. 2/15
5:54 pm-9:29 pm
Nonstop2h 35m
$188
ChicagoDenver
ORD - DEN
ORDDEN
Chicago O'Hare Intl
mar. 2/17
2:15 pm-8:35 pm
1 stop7h 20m
Denver Intl
sáb. 2/21
10:25 am-2:05 pm
Nonstop2h 40m
$189
ChicagoDenver
ORD - DEN
ORDDEN
Chicago O'Hare Intl
sáb. 2/28
5:15 pm-7:05 pm
Nonstop2h 50m
Denver Intl
mar. 3/3
6:20 am-3:25 pm
1 stop8h 05m
$189
ChicagoDenver
MDW - DEN
MDWDEN
Chicago Midway
mié. 4/29
8:50 pm-10:35 pm
Nonstop2h 45m
Denver Intl
lun. 5/4
5:35 pm-9:05 pm
Nonstop2h 30m
$193
ChicagoDenver
MDW - DEN
MDWDEN
Chicago Midway
sáb. 2/28
8:45 pm-10:30 pm
Nonstop2h 45m
Denver Intl
sáb. 3/7
6:50 pm-1:55 am
1 stop6h 05m
$197
ChicagoDenver
MDW - DEN
MDWDEN
Chicago Midway
jue. 4/9
9:35 pm-11:15 pm
Nonstop2h 40m
Denver Intl
mié. 4/15
8:40 am-2:55 pm
2 stops5h 15m
$201
Showing 1-10 of 44 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 January 9, 2026.
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 $114). 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 enero 14, 2026.
It’s typically best to fly out from Chicago to Aurora at noon. Doing so could potentially save you 10% on the flight price compared to flying in the morning, 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 January 10, 2026.
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 enero 14, 2026.
The most flights from CHI to 9UR are scheduled on a Monday (54 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (18 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 enero 14, 2026.
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.
Entertainment
7.5
Comfort
8.0
Crew
8.6
Boarding
8.1
Overall
8.0
Food
7.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Entertainment
7.5
Comfort
8.0
Crew
8.6
Boarding
8.1
Overall
8.0
Food
7.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Entertainment
7.5
Comfort
8.0
Crew
8.6
Boarding
8.1
Overall
8.0
Food
7.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Entertainment
7.5
Comfort
8.0
Crew
8.6
Boarding
8.1
Overall
8.0
Food
7.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Entertainment
7.5
Comfort
8.0
Crew
8.6
Boarding
8.1
Overall
8.0
Food
7.0
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 5 airlines flying from Chicago to Aurora
Discover the top 5 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 enero 14, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$58 | Average$162 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$145 | Average$189 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$154 | Average$269 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$155 | Average$334 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$157 | Average$296 | FlexibilityNo cancel fee | On-time63% |