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 10/31. Fares are subject to change and may not be available on all flights or dates of travel.
CHI — DEN
Jul 8 — Jul 151
Tue 7/8
Tue 7/15
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 Friday or Wednesday 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 July 3, 2025.

Round-trip from

$124
(Priceline)

One-way from

$79
(United Airlines)

Popular in

December

Cheapest in

September

Average price

$197
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. 2% potential price decrease ($4 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 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 July 3, 2025.

This Justfly.com deal was found by Cheapflights users on 7/2. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/27:00 amORD - DEN
Nonstop2h 53mFrontier
Wed 8/68:53 pmDEN - ORD
Nonstop2h 39mFrontier
Deal found 7/2$125
This Frontier deal was found by Cheapflights users on 7/3. 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.
Thu 7/312:44 pmMDW - DEN
Nonstop2h 49mFrontier
Mon 8/118:15 amDEN - MDW
Nonstop2h 26mFrontier
Deal found 7/3$128
This Southwest deal was found by Cheapflights users on 7/3. 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.
Thu 8/73:10 pmORD - DEN
1 stop8h 45mSouthwest
Mon 8/1110:35 amDEN - ORD
Nonstop2h 30mSouthwest
Deal found 7/3$167
This Southwest deal was found by Cheapflights users on 7/2. 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.
Thu 8/219:00 amMDW - DEN
Nonstop2h 35mSouthwest
Wed 8/278:30 amDEN - MDW
1 stop5h 40mSouthwest
Deal found 7/2$167

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 July 3, 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 8/2

7:00 am-8:53 am

Nonstop2h 53m

Denver Intl

Wed 8/6

8:53 pm-12:32 am

Nonstop2h 39m

$125

ChicagoDenver

MDW - DEN

MDWDEN

Chicago Midway

Thu 7/31

2:44 pm-4:33 pm

Nonstop2h 49m

Denver Intl

Mon 8/11

8:15 am-11:41 am

Nonstop2h 26m

$128

ChicagoDenver

MDW - DEN

MDWDEN

Chicago Midway

Thu 9/11

7:10 am-8:45 am

Nonstop2h 35m

Denver Intl

Sat 9/13

1:10 pm-4:30 pm

Nonstop2h 20m

$157

ChicagoDenver

ORD - DEN

ORDDEN

Chicago O'Hare Intl

Thu 8/7

3:10 pm-10:55 pm

1 stop8h 45m

Denver Intl

Mon 8/11

10:35 am-2:05 pm

Nonstop2h 30m

$167

ChicagoDenver

ORD - DEN

ORDDEN

Chicago O'Hare Intl

Fri 10/31

12:47 pm-9:49 pm

1 stop10h 02m

$78

ChicagoDenver

ORD - DEN

ORDDEN

Chicago O'Hare Intl

Mon 8/11

9:32 pm-11:22 pm

Nonstop2h 50m

$79

ChicagoDenver

MDW - DEN

MDWDEN

Chicago Midway

Wed 8/27

3:50 pm-5:20 pm

Nonstop2h 30m

$79

ChicagoDenver

MDW - DEN

MDWDEN

Chicago Midway

Thu 7/10

2:44 pm-4:33 pm

Nonstop2h 49m

$80

ChicagoDenver

ORD - DEN

ORDDEN

Chicago O'Hare Intl

Wed 11/5

1:45 pm-10:15 pm

2 stops9h 30m

$94

ChicagoDenver

ORD - DEN

ORDDEN

Chicago O'Hare Intl

Sun 11/23

11:45 am-1:24 pm

Nonstop2h 39m

$103

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/3

Showing 1-10 of 12 results
1
2

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 27, 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 July 3, 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 July 3, 2025.

The most flights from CHI to 9UR are scheduled on a Thursday (77 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (23 on average).

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 July 3, 2025.
Peruse reviews from past customers who have flown with Southwest, Delta, and United 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.
Southwest
8.0
Very good
4,270 reviews

Entertainment

7.6

Overall

8.0

Comfort

8.0

Crew

8.6

Boarding

8.2

Food

7.0

Reviews

1 / 20
10.0
Excellent

Gina,Apr 2025

LAS - DEN

Good, the crew was friendly and helpful. The pilot had great skills in keeping the plane stable through rough turbulence. Smooth landing, too! Thank you!
Southwest
8.0
Very good
4,270 reviews
Southwest
8.0
Very good
4,270 reviews

Entertainment

7.6

Overall

8.0

Comfort

8.0

Crew

8.6

Boarding

8.2

Food

7.0

Reviews

1 / 20
10.0
Excellent

Gina,Apr 2025

LAS - DEN

Good, the crew was friendly and helpful. The pilot had great skills in keeping the plane stable through rough turbulence. Smooth landing, too! Thank you!
Delta
8.0
Very good
7,970 reviews
Southwest
8.0
Very good
4,270 reviews

Entertainment

7.6

Overall

8.0

Comfort

8.0

Crew

8.6

Boarding

8.2

Food

7.0

Reviews

1 / 20
10.0
Excellent

Gina,Apr 2025

LAS - DEN

Good, the crew was friendly and helpful. The pilot had great skills in keeping the plane stable through rough turbulence. Smooth landing, too! Thank you!
United Airlines
7.4
Good
8,845 reviews
Southwest
8.0
Very good
4,270 reviews

Entertainment

7.6

Overall

8.0

Comfort

8.0

Crew

8.6

Boarding

8.2

Food

7.0

Reviews

1 / 20
10.0
Excellent

Gina,Apr 2025

LAS - DEN

Good, the crew was friendly and helpful. The pilot had great skills in keeping the plane stable through rough turbulence. Smooth landing, too! Thank you!
American Airlines
7.2
Good
10,000 reviews
Southwest
8.0
Very good
4,270 reviews

Entertainment

7.6

Overall

8.0

Comfort

8.0

Crew

8.6

Boarding

8.2

Food

7.0

Reviews

1 / 20
10.0
Excellent

Gina,Apr 2025

LAS - DEN

Good, the crew was friendly and helpful. The pilot had great skills in keeping the plane stable through rough turbulence. Smooth landing, too! Thank you!
Frontier
5.9
Fair
3,284 reviews
Southwest
8.0
Very good
4,270 reviews

Entertainment

7.6

Overall

8.0

Comfort

8.0

Crew

8.6

Boarding

8.2

Food

7.0

Reviews

1 / 20
10.0
Excellent

Gina,Apr 2025

LAS - DEN

Good, the crew was friendly and helpful. The pilot had great skills in keeping the plane stable through rough turbulence. Smooth landing, too! Thank you!

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 United Airlines, which is currently one of the cheapest options available, starting at $79. Southwest flights start at $79 while deals on Frontier 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: Envoy Air (100%), Copa Airlines (76%), United Airlines (74%).

  • What are the cheapest flights from Chicago to Aurora?

    The cheapest flight price from Chicago to Aurora is $90. On average you can expect to pay $856. The most popular route, (Chicago O'Hare Intl - Denver Intl), can usually be booked for $97.

  • 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
Midway to Denver flights
St. Louis to Denver flights
Moline to Denver flights
Peoria to Denver flights
O'Hare Intl to Colorado Springs flights
O'Hare Intl to Aspen flights
O'Hare Intl to Vail flights
Midway to Colorado Springs flights
St. Louis to Colorado Springs flights
O'Hare Intl to Montrose flights
O'Hare Intl to Grand Junction flights
Bloomington to Denver flights
O'Hare Intl to Hayden flights
St. Louis to Grand Junction flights
St. Louis to Durango flights
O'Hare Intl to Durango flights
Midway to Aspen flights
St. Louis to Aspen flights
Moline to Colorado Springs flights
Midway to Grand Junction flights
St. Louis to Montrose flights
Decatur to Denver flights
O'Hare Intl to Gunnison flights
St. Louis to Vail flights
Evansville to Colorado Springs flights
Springfield to Denver flights
Bloomington to Colorado Springs flights
Champaign to Denver flights
Peoria to Colorado Springs flights
Peoria to Grand Junction flights
St. Louis to Gunnison flights
Evansville to Denver flights
St. Louis to Hayden flights
Dubuque to Denver flights
Evansville to Grand Junction flights
Moline to Grand Junction flights
Springfield to Colorado Springs flights
Peoria to Montrose flights
Paducah to Colorado Springs flights
O'Hare Intl to Cortez flights
Moline to Montrose flights
Moline to Vail flights
Evansville to Vail flights
Champaign to Colorado Springs flights
Paducah to Denver flights
Bloomington to Montrose flights
Marion to Denver 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 July 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$49Average$148FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$155Average$283FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$158Average$358FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$159Average$302FlexibilityNo 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.