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$45+ Cheap flights from Illinois to Atlanta (ATL)

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 11/10. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — ATL
Oct 16 — Oct 231
Thu 10/16
Thu 10/23
1 adult, Economy
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Cheap flight deals from Illinois to Atlanta

Keep the following information in mind while searching for Illinois to Atlanta flight deals. Data was last updated September 16, 2025.

Round-trip from

$80
(Frontier)

One-way from

$45
(Frontier)

Popular in

January

Cheapest in

October

Average price

$160

Good round-trip deal

$142 or less

Good one-way deal

$105 or less
From Illinois to Atlanta Hartsfield-Jackson
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One-way flight from Illinois to Atlanta Hartsfield-Jackson
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Highest demand for flights based on searches. 7% potential increase in price ($14 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($4 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Price to beat on a round-trip flight from Illinois to Atlanta Hartsfield-Jackson.
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Price to beat on a one-way flight from Illinois to Atlanta Hartsfield-Jackson.
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Find flight deals from Illinois to Atlanta

Cheapest flights from Illinois to Atlanta
Explore the most affordable flight options available from Illinois to Atlanta. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 16, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 9/16. 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 10/1511:00 amORD - ATL
Nonstop2h 08mFrontier
Mon 10/2010:27 pmATL - ORD
Nonstop2h 12mFrontier
Deal found 9/16$79
This Frontier deal was found by Cheapflights users on 9/14. 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.
Thu 10/25:10 amORD - ATL
Nonstop2h 09mFrontier
Mon 10/610:27 pmATL - ORD
Nonstop2h 12mFrontier
Deal found 9/14$80
This Frontier deal was found by Cheapflights users on 9/15. 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 10/25:10 amORD - ATL
Nonstop2h 09mFrontier
Tue 10/712:30 pmATL - ORD
Nonstop2h 17mFrontier
Deal found 9/15$81
This Frontier deal was found by Cheapflights users on 9/15. 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.
Fri 10/35:50 pmORD - ATL
Nonstop2h 28mFrontier
Tue 10/712:30 pmATL - ORD
Nonstop2h 17mFrontier
Deal found 9/15$82
This Frontier deal was found by Cheapflights users on 9/14. 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.
Wed 9/249:00 amMDW - ATL
Nonstop1h 58mFrontier
Thu 9/2510:25 pmATL - MDW
Nonstop1h 55mFrontier
Deal found 9/14$83
This Kiwi.com deal was found by Cheapflights users on 9/15. 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.
Sat 10/46:15 amMDW - ATL
Nonstop2h 07mFrontier
Mon 10/610:46 pmATL - MDW
Nonstop1h 55mFrontier
Deal found 9/15$84
This Gotogate deal was found by Cheapflights users on 9/16. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/311:37 pmMDW - ATL
Nonstop1h 58mFrontier
Fri 11/79:05 pmATL - MDW
Nonstop2h 03mFrontier
Deal found 9/16$85
This Frontier deal was found by Cheapflights users on 9/15. 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 10/25:10 amORD - ATL
Nonstop2h 09mFrontier
Fri 10/310:27 pmATL - ORD
Nonstop2h 12mFrontier
Deal found 9/15$87
This Frontier deal was found by Cheapflights users on 9/15. 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.
Wed 10/111:45 amORD - ATL
Nonstop2h 12mFrontier
Wed 10/83:21 pmATL - ORD
Nonstop2h 19mFrontier
Deal found 9/15$88
This Kiwi.com deal was found by Cheapflights users on 9/15. 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 9/232:32 pmMDW - ATL
Nonstop2h 01mFrontier
Tue 10/2112:40 pmATL - MDW
Nonstop1h 58mFrontier
Deal found 9/15$89
This Frontier deal was found by Cheapflights users on 9/15. 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 9/295:10 amORD - ATL
Nonstop2h 09mFrontier
Mon 10/62:59 pmATL - ORD
Nonstop2h 18mFrontier
Deal found 9/15$89
This Cheapflightsfares deal was found by Cheapflights users on 9/16. 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 10/1511:00 amORD - ATL
Nonstop2h 08mFrontier
Wed 10/154:34 pmATL - ORD
1 stop8h 25mFrontier
Deal found 9/16$91

Cheapflights Fare Finder

 
Customize your flight search to find flights from Illinois to Atlanta 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 September 16, 2025.
Use the filters below to find and compare flights from Illinois to Atlanta that are best for you.

Fly from

Illinois

Fly to

Atlanta

Route

Depart

Return

Price

ChicagoAtlanta

MDW - ATL

MDWATL

Chicago Midway

Wed 10/15

1:15 pm-4:05 pm

Nonstop1h 50m

Atlanta Hartsfield-Jackson

Wed 10/15

6:30 pm-7:25 pm

Nonstop1h 55m

$137

ChicagoAtlanta

ORD - ATL

ORDATL

Chicago O'Hare Intl

Wed 10/8

2:30 pm-5:35 pm

Nonstop2h 05m

Atlanta Hartsfield-Jackson

Wed 10/15

10:15 am-11:31 am

Nonstop2h 16m

$137

ChicagoAtlanta

ORD - ATL

ORDATL

Chicago O'Hare Intl

Wed 10/15

7:10 am-10:13 am

Nonstop2h 03m

Atlanta Hartsfield-Jackson

Wed 10/22

8:10 am-9:26 am

Nonstop2h 16m

$137

St. LouisAtlanta

STL - ATL

STLATL

Lambert-St Louis

Mon 9/29

7:55 pm-9:55 pm

1 stop25h 00m

Atlanta Hartsfield-Jackson

Mon 10/6

7:34 am-9:07 am

1 stop26h 33m

$145

ChicagoAtlanta

MDW - ATL

MDWATL

Chicago Midway

Wed 10/8

10:05 am-3:35 pm

1 stop4h 30m

Atlanta Hartsfield-Jackson

Wed 10/15

6:30 pm-7:25 pm

Nonstop1h 55m

$147

ChicagoAtlanta

ORD - ATL

ORDATL

Chicago O'Hare Intl

Wed 10/15

7:10 am-10:13 am

Nonstop2h 03m

Atlanta Hartsfield-Jackson

Mon 10/20

3:41 pm-5:00 pm

Nonstop2h 19m

$147

ChicagoAtlanta

MDW - ATL

MDWATL

Chicago Midway

Thu 10/30

5:15 pm-8:05 pm

Nonstop1h 50m

Atlanta Hartsfield-Jackson

Mon 11/3

3:55 pm-4:50 pm

Nonstop1h 55m

$157

ChicagoAtlanta

MDW - ATL

MDWATL

Chicago Midway

Tue 10/28

3:00 pm-5:50 pm

Nonstop1h 50m

Atlanta Hartsfield-Jackson

Thu 10/30

7:00 am-12:45 pm

1 stop6h 45m

$157

ChicagoAtlanta

ORD - ATL

ORDATL

Chicago O'Hare Intl

Mon 12/22

6:20 pm-9:37 pm

Nonstop2h 17m

Atlanta Hartsfield-Jackson

Thu 12/25

10:20 am-11:41 am

Nonstop2h 21m

$157

ChicagoAtlanta

MDW - ATL

MDWATL

Chicago Midway

Tue 10/14

5:50 am-12:40 pm

1 stop5h 50m

Atlanta Hartsfield-Jackson

Tue 10/14

7:00 pm-10:05 pm

1 stop4h 05m

$157

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/14

Showing 1-10 of 60 results
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Best time to book a flight from Illinois to Atlanta

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

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

Currently, August is the cheapest month in which you can book a flight from Illinois to Atlanta (average of $190). Flying from Illinois to Atlanta in June is currently the most expensive (average of $246). 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 IL to ATL?

Find hourly flight availability from Illinois to Atlanta. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 16, 2025.

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

Weekly flight availability from Illinois to Atlanta

Explore weekly flight availability from Illinois to Atlanta. 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 September 16, 2025.

The most flights from USIL to ATL are scheduled on a Monday (85 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (41 on average).

Related info for your journey

Find useful and relevant information for your journey from Illinois to Atlanta. 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 into for flights to Atlanta from Illinois?

    If you book a flight to Atlanta from Illinois, you will be flying to Hartsfield-Jackson, which is the city’s only airport. Atlanta Hartsfield-Jackson (ATL) is located 8.2 mi from the center of Atlanta.

  • How long is the flight from Illinois to Atlanta?

    A quick flight from Illinois to Atlanta can take about 1h 50m. Southwest provides one of the quickest options available for as low as $137. Illinois and Atlanta are separated by a distance of 591 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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

    The cheapest airline one-way is United Airlines, with whom users have recently found tickets for as low as $69. However, be on the lookout for offers from American Airlines and Southwest, as they are both options that can get you from Illinois to Atlanta for a low price.

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

    The most popular route from Illinois to Atlanta is Chicago O'Hare Intl - Atlanta Hartsfield-Jackson. You may also consider Chicago Midway - Atlanta Hartsfield-Jackson or Lambert-St Louis - Atlanta Hartsfield-Jackson.

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

    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 Illinois to Atlanta on time: Envoy Air (100%), SkyWest Airlines (83%), Republic Airways (83%).

  • What are the cheapest flights from Illinois to Atlanta?

    Looking at all options, your cheapest flight can be booked for $46. While the most popular route (Chicago O'Hare Intl - Atlanta Hartsfield-Jackson) can be booked for $99 on average, our data indicates $673 when flying from Illinois to Atlanta.

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

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

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

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

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

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

    Currently, August is the cheapest month in which you can book a flight from Illinois to Atlanta (average of $190). Flying from Illinois to Atlanta in June is currently the most expensive (average of $246). 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

Traveling to a place near Atlanta?

Book flights to Atlanta if you plan to visit one of these locations
Duluth
College Park
Auburn
McDonough
Norcross
Roswell
Lawrenceville
Stone Mountain
Acworth
Kennesaw
Conyers
Buford
Athens
Marietta
Douglasville
Commerce
Covington
Smyrna
Lithonia
Sandy Springs

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Alternative routes for Illinois to Atlanta

See prices for flight routes from nearby airports that may be better suited for you.
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Top 6 airlines flying from Illinois to Atlanta

Discover the top 6 airlines that operate flights from Illinois to Atlanta. 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 September 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$46Average$155FlexibilityNo cancel feeOn-time65%
FrontierCheapest$51Average$157FlexibilityNo cancel feeOn-time62%
DeltaCheapest$89Average$331FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$148Average$398FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$154Average$302FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$157Average$383FlexibilityNo cancel feeOn-time71%

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