HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Aurora

$78+ 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 10/16. Fares are subject to change and may not be available on all flights or dates of travel.
CHI — DEN
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

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 September or November, booked 30 days in advance, depart on a Wednesday or Friday and return on a Friday

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 June 12, 2025.

Round-trip from

$136
(Cheapflightsfares)

One-way from

$78
(American Airlines)

Popular in

December

Cheapest in

September

Average price

$216
From Chicago (CHI) to Aurora
Search Deals
One-way flight from Chicago (CHI) to Aurora
Search Deals
High demand for flights, 0% potential price rise
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($4 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 2025
Search Deals

Find flight deals from Chicago to Aurora

Cheapest flights from Chicago to Aurora
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 June 12, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 6/10. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/167:00 amORD - DEN
Nonstop2h 53mFrontier
Mon 7/218:31 pmDEN - ORD
Nonstop2h 39mFrontier
Deal found 6/10$136
This Priceline deal was found by Cheapflights users on 6/12. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/92:44 pmMDW - DEN
Nonstop2h 49mFrontier
Mon 8/118:15 amDEN - MDW
Nonstop2h 26mFrontier
Deal found 6/12$140
This Southwest deal was found by Cheapflights users on 6/10. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/278:50 pmMDW - DEN
Nonstop2h 35mSouthwest
Tue 9/25:50 amDEN - MDW
Nonstop2h 20mSouthwest
Deal found 6/10$157
This Southwest deal was found by Cheapflights users on 6/10. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/57:00 amORD - DEN
Nonstop2h 40mSouthwest
Sat 8/99:35 amDEN - ORD
Nonstop2h 30mSouthwest
Deal found 6/10$158
This American Airlines deal was found by Cheapflights users on 6/11. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/37:00 amORD - DEN
Nonstop2h 36mAmerican Airlines
Mon 10/67:27 amDEN - ORD
Nonstop2h 32mAmerican Airlines
Deal found 6/11$175
This Delta deal was found by Cheapflights users on 6/10. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/155:20 pmORD - DEN
1 stop6h 46mDelta
Sat 7/196:35 amDEN - ORD
1 stop7h 28mDelta
Deal found 6/10$217
This Delta deal was found by Cheapflights users on 6/10. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/156:20 pmMDW - DEN
1 stop5h 46mDelta
Mon 7/2112:55 amDEN - MDW
1 stop6h 49mDelta
Deal found 6/10$217
This United Airlines deal was found by Cheapflights users on 6/11. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/46:35 pmORD - DEN
Nonstop3h 01mUnited Airlines
Mon 7/78:55 pmDEN - ORD
Nonstop2h 35mUnited Airlines
Deal found 6/11$260
This Sun Country Air deal was found by Cheapflights users on 6/10. 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 Sun Country Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/912:30 pmORD - DEN
1 stop21h 53mSun Country Air
Fri 7/185:49 pmDEN - ORD
1 stop22h 26mSun Country Air
Deal found 6/10$265

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 June 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

Wed 7/16

7:00 am-8:53 am

Nonstop2h 53m

Denver Intl

Mon 7/21

8:31 pm-12:10 am

Nonstop2h 39m

$136

ChicagoDenver

MDW - DEN

MDWDEN

Chicago Midway

Sat 8/9

2:44 pm-4:33 pm

Nonstop2h 49m

Denver Intl

Mon 8/11

8:15 am-11:41 am

Nonstop2h 26m

$140

ChicagoDenver

MDW - DEN

MDWDEN

Chicago Midway

Wed 8/27

8:50 pm-10:25 pm

Nonstop2h 35m

Denver Intl

Tue 9/2

5:50 am-9:10 am

Nonstop2h 20m

$157

ChicagoDenver

ORD - DEN

ORDDEN

Chicago O'Hare Intl

Tue 8/5

7:00 am-8:40 am

Nonstop2h 40m

Denver Intl

Sat 8/9

9:35 am-1:05 pm

Nonstop2h 30m

$158

ChicagoDenver

ORD - DEN

ORDDEN

Chicago O'Hare Intl

Tue 8/5

6:48 am-8:22 am

Nonstop2h 34m

Denver Intl

Sat 8/9

5:32 pm-9:18 pm

Nonstop2h 46m

$168

ChicagoDenver

ORD - DEN

ORDDEN

Chicago O'Hare Intl

Tue 7/15

5:20 pm-11:06 pm

1 stop6h 46m

Denver Intl

Mon 7/21

12:55 am-7:49 am

1 stop5h 54m

$217

ChicagoDenver

MDW - DEN

MDWDEN

Chicago Midway

Tue 7/15

6:20 pm-11:06 pm

1 stop5h 46m

Denver Intl

Mon 7/21

12:55 am-8:44 am

1 stop6h 49m

$217

ChicagoDenver

ORD - DEN

ORDDEN

Chicago O'Hare Intl

Fri 7/4

6:35 pm-8:36 pm

Nonstop3h 01m

Denver Intl

Mon 7/7

8:55 pm-12:30 am

Nonstop2h 35m

$260

ChicagoDenver

ORD - DEN

ORDDEN

Chicago O'Hare Intl

Wed 6/25

11:50 am-8:07 pm

1 stop9h 17m

Denver Intl

Thu 6/26

8:21 pm-11:59 pm

Nonstop2h 38m

$264

ChicagoDenver

ORD - DEN

ORDDEN

Chicago O'Hare Intl

Wed 7/9

12:30 pm-9:23 am

1 stop21h 53m

Denver Intl

Fri 7/18

5:49 pm-5:15 pm

1 stop22h 26m

$265

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/11

Showing 1-10 of 24 results
1
2
3

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 June 9, 2025.

To ensure you get the cheapest price possible for a flight from Chicago to Aurora, you should look to book at least 30 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, October is the cheapest month in which you can book a flight from Chicago to Aurora (average of $197). Flying from Chicago to Aurora in March is currently the most expensive (average of $278). 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 June 12, 2025.

When flying from Chicago to Aurora, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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 October 27, 2024.

Travelers seeking maximum savings on their Chicago to Aurora flight should consider departing on Saturday 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 June 12, 2025.

The most flights from CHI to 9UR are scheduled on a Thursday (74 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (40 on average).

Rainfall in Aurora by month

Plan your trip to Aurora by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Aurora ranges from 0.5 - 2.3 inches per month. May is typically the wettest month, when rainfall can reach 2.3 in. January is typically the driest time to visit Aurora when rainfall is around 0.5 in.

Temperature in Aurora by month

Plan your trip to Aurora by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Aurora, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 30.2 F).

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 June 12, 2025.
Get a feel of what it's like to fly with Alaska Airlines, Southwest and Delta from Chicago to Aurora by reading reviews from past customers. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Overall

8.0

Comfort

7.8

Entertainment

7.1

Boarding

8.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Overall

8.0

Comfort

7.8

Entertainment

7.1

Boarding

8.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Southwest
8.0
Very good
4,287 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Overall

8.0

Comfort

7.8

Entertainment

7.1

Boarding

8.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Delta
8.0
Very good
7,950 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Overall

8.0

Comfort

7.8

Entertainment

7.1

Boarding

8.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
United Airlines
7.4
Good
8,790 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Overall

8.0

Comfort

7.8

Entertainment

7.1

Boarding

8.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Allegiant Air
7.3
Good
725 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Overall

8.0

Comfort

7.8

Entertainment

7.1

Boarding

8.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

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.

  • What are the cheapest airlines to fly from Chicago to Aurora one-way?

    To fly one-way, consider booking your trip with American Airlines, which is currently one of the cheapest options available, starting at $78. Southwest flights start at $79 while deals on United Airlines start at $80 one-way.

  • What are the most reliable airlines from Chicago to Aurora?

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Chicago to Aurora on time: Copa Airlines (79%), Frontier (77%), Royal Jordanian (75%).

  • What are the cheapest flights from Chicago to Aurora?

    The cheapest flight price from Chicago to Aurora is $76. On average you can expect to pay $681. The most popular route, (Chicago O'Hare Intl - Denver Intl), can usually be booked for $130.

  • Can I find deals for flights from Chicago to Aurora that include hotel bookings?

    Yes. In addition to deals on Chicago to Aurora flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Chicago to Aurora?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Chicago to Aurora.

  • Can I find deals for business class flights from Chicago to Aurora?

    Yes. Cheapflights offers flight deals from Chicago to Aurora by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Chicago to Aurora?

    Currently, October is the cheapest month in which you can book a flight from Chicago to Aurora (average of $197). Flying from Chicago to Aurora in March is currently the most expensive (average of $278). 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.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Chicago to Aurora

See prices for flight routes from nearby airports that may be better suited for you.
O'Hare Intl to Denver flights
St. Louis to Denver flights
Midway to Denver flights
O'Hare Intl to Colorado Springs flights
Peoria to Denver flights
Moline to Denver flights
O'Hare Intl to Aspen flights
O'Hare Intl to Vail flights
Midway to Colorado Springs flights
O'Hare Intl to Montrose flights
St. Louis to Colorado Springs flights
O'Hare Intl to Grand Junction flights
O'Hare Intl to Durango flights
O'Hare Intl to Hayden flights
St. Louis to Montrose flights
St. Louis to Durango flights
O'Hare Intl to Gunnison flights
Moline to Colorado Springs flights
Midway to Grand Junction flights
Evansville to Denver flights
Springfield to Denver flights
St. Louis to Grand Junction flights
Bloomington to Denver flights
St. Louis to Vail flights
Midway to Aspen flights
Dubuque to Denver flights
Peoria to Colorado Springs flights
St. Louis to Aspen flights
Decatur to Denver flights
Champaign to Denver flights
St. Louis to Gunnison flights
Bloomington to Colorado Springs flights
Springfield to Colorado Springs flights
Evansville to Colorado Springs flights
Evansville to Grand Junction flights
Paducah to Denver flights
St. Louis to Hayden flights
Paducah to Colorado Springs flights
Moline to Grand Junction flights
Moline to Vail flights
O'Hare Intl to Cortez flights
Moline to Montrose flights
Marion to Denver flights
Bloomington to Montrose flights
St. Louis to Cortez flights
Evansville to Vail flights

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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$48Average$141FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$151Average$286FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$156Average$356FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$160Average$303FlexibilityNo cancel feeOn-time63%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.