Illinois

$47+ Cheap flights from Atlanta (ATL) to Illinois

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 7/16. Fares are subject to change and may not be available on all flights or dates of travel.
ATL — ORD
Jun 17 — Jun 241
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Atlanta to Illinois 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.

Cheap flight deals from Atlanta to Illinois

Keep the following information in mind while searching for Atlanta to Illinois flight deals. Data was last updated June 12, 2025.

Round-trip from

$86
(FlightHub)

One-way from

$47
(Kiwi.com)

Popular in

July

Cheapest in

September

Average price

$178

Good round-trip deal

$151 or less

Good one-way deal

$87 or less
From Atlanta Hartsfield-Jackson to Illinois
One-way flight from Atlanta Hartsfield-Jackson to Illinois
Highest demand for flights based on searches. 9% potential increase in price ($15 potential increase over avg. RT price).
Cheapest flight prices on average. 1% potential price decrease ($3 potential savings vs. average RT price).
Average for round-trip flights in June 2025
Price to beat on a round-trip flight from Atlanta Hartsfield-Jackson to Illinois.
Price to beat on a one-way flight from Atlanta Hartsfield-Jackson to Illinois.

Find flight deals from Atlanta to Illinois

Cheapest flights from Atlanta to Illinois
Explore the most affordable flight options available from Atlanta to Illinois. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 12, 2025.

This FlightHub 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/248:30 amATL - ORD
Nonstop2h 08mSpirit Airlines
Thu 6/2610:43 amORD - ATL
Nonstop1h 59mSpirit Airlines
Deal found 6/10$86
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.
Wed 7/99:37 amATL - MDW
Nonstop2h 03mFrontier
Tue 7/1511:39 amMDW - ATL
Nonstop2h 06mFrontier
Deal found 6/12$97
This Cheapflightsfares 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/29:20 amATL - STL
Nonstop1h 47mFrontier
Sun 10/511:02 amSTL - ATL
Nonstop1h 40mFrontier
Deal found 6/11$125
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/248:30 amATL - ORD
Nonstop2h 08mMultiple Airlines
Wed 7/25:38 pmORD - ATL
Nonstop2h 24mMultiple Airlines
Deal found 6/11$129
This Mytrip 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/29:45 pmATL - STL
1 stop20h 19mSpirit Airlines
Fri 7/46:36 pmSTL - ATL
1 stop11h 46mSpirit Airlines
Deal found 6/11$131
This FlightHub 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/281:10 pmATL - STL
Nonstop1h 57mMultiple Airlines
Mon 6/307:13 pmSTL - ATL
1 stop11h 09mMultiple Airlines
Deal found 6/10$135
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/306:00 pmATL - ORD
Nonstop2h 19mDelta
Sat 9/611:15 amORD - ATL
Nonstop2h 01mDelta
Deal found 6/12$137
This Cheapflightsfares 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/189:02 amATL - ORD
Nonstop2h 20mFrontier
Fri 6/206:16 pmORD - ATL
Nonstop2h 28mFrontier
Deal found 6/11$147
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/48:46 pmATL - MDW
Nonstop1h 56mDelta
Sat 8/94:22 pmMDW - ATL
Nonstop2h 02mDelta
Deal found 6/12$148
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/112:45 pmATL - MDW
2 stops5h 00mSouthwest
Tue 10/71:15 pmMDW - ATL
Nonstop1h 50mSouthwest
Deal found 6/12$158
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 9/38:20 amATL - ORD
1 stop5h 45mSouthwest
Wed 9/107:30 amORD - ATL
1 stop7h 30mSouthwest
Deal found 6/10$177
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/211:42 amATL - STL
Nonstop1h 36mDelta
Mon 8/45:23 pmSTL - ATL
Nonstop1h 50mDelta
Deal found 6/11$193

Cheapflights Fare Finder

Customize your flight search to find flights from Atlanta to Illinois 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 Atlanta to Illinois that are best for you.

Fly from

Atlanta

Fly to

Illinois

Route

Depart

Return

Price

AtlantaChicago

ATL - ORD

ATLORD

Atlanta Hartsfield-Jackson

Tue 6/24

8:30 am-9:38 am

Nonstop2h 08m

Chicago O'Hare Intl

Thu 6/26

10:43 am-1:42 pm

Nonstop1h 59m

$86

AtlantaChicago

ATL - MDW

ATLMDW

Atlanta Hartsfield-Jackson

Wed 7/9

9:37 am-10:40 am

Nonstop2h 03m

Chicago Midway

Tue 7/15

11:39 am-2:45 pm

Nonstop2h 06m

$97

AtlantaSt. Louis

ATL - STL

ATLSTL

Atlanta Hartsfield-Jackson

Thu 10/2

9:20 am-10:07 am

Nonstop1h 47m

Lambert-St Louis

Sun 10/5

11:02 am-1:42 pm

Nonstop1h 40m

$125

AtlantaChicago

ATL - ORD

ATLORD

Atlanta Hartsfield-Jackson

Tue 6/24

8:30 am-9:38 am

Nonstop2h 08m

Chicago O'Hare Intl

Wed 6/25

5:01 am-8:07 am

Nonstop2h 06m

$126

AtlantaSt. Louis

ATL - STL

ATLSTL

Atlanta Hartsfield-Jackson

Wed 7/2

9:45 pm-5:04 pm

1 stop20h 19m

Lambert-St Louis

Fri 7/4

6:36 pm-7:22 am

1 stop11h 46m

$131

AtlantaSt. Louis

ATL - STL

ATLSTL

Atlanta Hartsfield-Jackson

Sat 6/28

1:10 pm-2:07 pm

Nonstop1h 57m

Lambert-St Louis

Mon 6/30

7:13 pm-7:22 am

1 stop11h 09m

$135

AtlantaChicago

ATL - ORD

ATLORD

Atlanta Hartsfield-Jackson

Sat 8/30

6:00 pm-7:19 pm

Nonstop2h 19m

Chicago O'Hare Intl

Sat 9/6

11:15 am-2:16 pm

Nonstop2h 01m

$137

AtlantaChicago

ATL - ORD

ATLORD

Atlanta Hartsfield-Jackson

Sat 8/2

9:02 am-10:25 am

Nonstop2h 23m

Chicago O'Hare Intl

Wed 8/13

5:34 pm-9:02 pm

Nonstop2h 28m

$139

AtlantaChicago

ATL - MDW

ATLMDW

Atlanta Hartsfield-Jackson

Mon 8/4

8:46 pm-9:42 pm

Nonstop1h 56m

Chicago Midway

Sat 8/9

4:22 pm-7:24 pm

Nonstop2h 02m

$148

AtlantaChicago

ATL - MDW

ATLMDW

Atlanta Hartsfield-Jackson

Thu 7/31

8:55 am-9:50 am

Nonstop1h 55m

Chicago Midway

Mon 8/4

7:50 am-2:15 pm

1 stop5h 25m

$169

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/10

Showing 1-10 of 60 results
1
2
3
...
6

Best time to book a flight from Atlanta to Illinois

Have a flexible travel schedule? Discover the best time to fly to Illinois from Atlanta 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 Atlanta to Illinois

What is the cheapest month to book a flight from Atlanta to Illinois?

Currently, August is the cheapest month in which you can book a flight from Atlanta to Illinois (average of $245). Flying from Atlanta to Illinois in March is currently the most expensive (average of $321). 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 ATL to IL?

Find hourly flight availability from Atlanta to Illinois. 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.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Atlanta to Illinois as you normally would.

Weekly flight availability from Atlanta to Illinois

Explore weekly flight availability from Atlanta to Illinois. 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 ATL to USIL are scheduled on a Thursday (93 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (32 on average).

Rainfall in Illinois by month

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

In terms of precipitation, rainfall in Illinois ranges from 1.7 - 4.9 inches per month. August is typically the wettest month, when rainfall can reach 4.9 in. January is typically the driest time to visit Illinois when rainfall is around 1.7 in.

Temperature in Illinois by month

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

If weather is an important factor for your trip to Illinois, 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 23.0 F).

Reviews of airlines servicing Illinois

Get insights into the airlines that provide service to Illinois. 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 Illinois. Reviews last updated June 12, 2025.
Read reviews from past customers who have flown Southwest, Delta and United Airlines from Atlanta to Illinois. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Entertainment

7.6

Crew

8.6

Overall

8.0

Comfort

8.0

Boarding

8.2

Food

7.1

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.

Entertainment

7.6

Crew

8.6

Overall

8.0

Comfort

8.0

Boarding

8.2

Food

7.1

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.
8.0
Very good

Entertainment

7.6

Crew

8.6

Overall

8.0

Comfort

8.0

Boarding

8.2

Food

7.1

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.

Entertainment

7.6

Crew

8.6

Overall

8.0

Comfort

8.0

Boarding

8.2

Food

7.1

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.

Entertainment

7.6

Crew

8.6

Overall

8.0

Comfort

8.0

Boarding

8.2

Food

7.1

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.

Entertainment

7.6

Crew

8.6

Overall

8.0

Comfort

8.0

Boarding

8.2

Food

7.1

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.

Related info for your journey

Find useful and relevant information for your journey from Atlanta to Illinois. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • What airport do you fly from for flights from Atlanta to Illinois?

    Located just 8.2 mi from the city center, Atlanta Hartsfield-Jackson (ATL) is the airport most travelers will use when flying to Illinois from Atlanta.

  • What are the cheapest airlines to fly from Atlanta to Illinois one-way?

    $47 is the cheapest one-way deal found within the past few days, from Spirit Airlines. You may also be able to find cheap deals on Frontier and United Airlines, with prices starting from $58 and $69, respectively.

  • What are the most popular routes from Atlanta to Illinois?

  • What are the most reliable airlines from Atlanta to Illinois?

    No one likes to see their flight delayed. When booking a flight from Atlanta to Illinois consider choosing Japan Airlines (93%), Finnair (92%) or Republic Airways (88%) as they are the most reliable in getting you off to your destination on time.

  • What are the cheapest flights from Atlanta to Illinois?

    On average you can expect to pay $2,027 for a flight from Atlanta to Illinois. The cheapest flight overall is $48 while the most popular route, (Atlanta Hartsfield-Jackson - Chicago O'Hare Intl) is currently priced at $74.

  • Can I find deals for flights from Atlanta to Illinois that include hotel bookings?

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

  • How can I find direct flights from Atlanta to Illinois?

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

  • Can I find deals for business class flights from Atlanta to Illinois?

    Yes. Cheapflights offers flight deals from Atlanta to Illinois 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 Atlanta to Illinois?

    Currently, August is the cheapest month in which you can book a flight from Atlanta to Illinois (average of $245). Flying from Atlanta to Illinois in March is currently the most expensive (average of $321). 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 Atlanta to Illinois

See prices for flight routes from nearby airports that may be better suited for you.

Top 6 airlines flying from Atlanta to Illinois

Discover the top 6 airlines that operate flights from Atlanta to Illinois. 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
Spirit AirlinesCheapest$47Average$118FlexibilityNo cancel feeOn-time65%
FrontierCheapest$50Average$139FlexibilityNo cancel feeOn-time62%
DeltaCheapest$106Average$338FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$119Average$259FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$138Average$449FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$157Average$278FlexibilityNo 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.