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Cheap flights from Illinois to Atlanta from $20

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Illinois to Atlanta departing on 12/25. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Cheap round-trip flights

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Frontier Logo
8:42 pm - 11:48 pmMDW-ATL
2h 06mnonstop
Frontier Logo
9:10 pm - 10:12 pmATL-MDW
2h 02mnonstop
$79Frontier
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Fri, Dec 12 - Sun, Dec 14
Frontier Logo
6:00 am - 9:20 amORD-ATL
2h 20mnonstop
Frontier Logo
9:32 pm - 10:46 pmATL-ORD
2h 14mnonstop
$79Frontier
Find Deal
Thu, Dec 18 - Sat, Dec 20
Multiple Airlines Logo
5:00 am - 3:42 pmORD-ATL
9h 42m1 stop
Multiple Airlines Logo
10:57 pm - 12:08 amATL-ORD
2h 11mnonstop
$91Multiple Airlines
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Mon, Nov 24 - Thu, Nov 27
Multiple Airlines Logo
2:31 pm - 9:23 pmORD-ATL
5h 52m1 stop
Multiple Airlines Logo
10:57 pm - 12:08 amATL-ORD
2h 11mnonstop
$93Multiple Airlines
Find Deal
Wed, Nov 19 - Thu, Nov 27
Spirit Airlines Logo
7:10 am - 8:52 pmORD-ATL
12h 42m1 stop
Spirit Airlines Logo
8:39 am - 2:21 pmATL-ORD
6h 42m1 stop
$99Spirit Airlines
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Sat, Dec 6 - Sat, Dec 13
Spirit Airlines Logo
5:00 am - 3:42 pmORD-ATL
9h 42m1 stop
Spirit Airlines Logo
9:01 am - 8:01 pmATL-ORD
12h 00m1 stop
$105Spirit Airlines
Find Deal
Wed, Dec 3 - Wed, Dec 10
Southwest Logo
3:10 pm - 6:00 pmMDW-ATL
1h 50mnonstop
Southwest Logo
6:10 am - 7:05 amATL-MDW
1h 55mnonstop
$131Southwest
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Sat, Feb 14 - Tue, Feb 17
United Airlines Logo
6:10 pm - 9:15 pmORD-ATL
2h 05mnonstop
United Airlines Logo
3:40 pm - 4:55 pmATL-ORD
2h 15mnonstop
$131United Airlines
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Mon, Feb 2 - Mon, Feb 9
Southwest Logo
5:00 pm - 7:35 pmSTL-ATL
1h 35mnonstop
Southwest Logo
1:05 pm - 1:50 pmATL-STL
1h 45mnonstop
$192Southwest
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Wed, Dec 10 - Thu, Dec 11
United Airlines Logo
1:20 pm - 9:33 pmPIA-ATL
7h 13m1 stop
United Airlines Logo
10:10 am - 2:33 pmATL-PIA
5h 23m1 stop
$279United Airlines
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Sun, Nov 23 - Thu, Nov 27

Frontier flights from Illinois to Atlanta

Our best Frontier deals on Illinois to Atlanta flight tickets
Frontier
Dec 12
MDW8:42 pmChicago Midway
2h 06m
ATL11:48 pmAtlanta Hartsfield-Jackson
Dec 14
ATL9:10 pmAtlanta Hartsfield-Jackson
2h 02m
MDW10:12 pmChicago Midway
$79
Find similar
Frontier
Dec 5
ORD4:20 pmChicago O'Hare Intl
2h 26m
ATL7:46 pmAtlanta Hartsfield-Jackson
Dec 8
ATL9:10 pmAtlanta Hartsfield-Jackson
2h 14m
ORD10:24 pmChicago O'Hare Intl
$81
Find similar
Frontier
Dec 5
MDW8:42 pmChicago Midway
2h 06m
ATL11:48 pmAtlanta Hartsfield-Jackson
Dec 9
ATL7:43 amAtlanta Hartsfield-Jackson
2h 03m
MDW8:46 amChicago Midway
$82
Find similar

Spirit Airlines flights from Illinois to Atlanta

Our best Spirit Airlines deals on Illinois to Atlanta flight tickets
Spirit Airlines
Dec 6
ORD7:10 amChicago O'Hare Intl
12h 42m
1 stop
ATL8:52 pmAtlanta Hartsfield-Jackson
Dec 13
ATL8:39 amAtlanta Hartsfield-Jackson
6h 42m
1 stop
ORD2:21 pmChicago O'Hare Intl
$99
Find similar
Spirit Airlines
Dec 3
ORD5:00 amChicago O'Hare Intl
9h 42m
1 stop
ATL3:42 pmAtlanta Hartsfield-Jackson
Dec 10
ATL9:01 amAtlanta Hartsfield-Jackson
12h 00m
1 stop
ORD8:01 pmChicago O'Hare Intl
$105
Find similar
Spirit Airlines
Nov 25
ORD5:00 amChicago O'Hare Intl
9h 42m
1 stop
ATL3:42 pmAtlanta Hartsfield-Jackson
Nov 27
ATL2:05 pmAtlanta Hartsfield-Jackson
10h 08m
1 stop
ORD11:13 pmChicago O'Hare Intl
$108
Find similar

momondo 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, momondo users made 832,500 searches. Data last updated November 9, 2025.
Use the filters below to find and compare flights from Illinois to Atlanta that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

ChicagoAtlanta

MDW - ATL

MDWATL

Chicago Midway

Fri 12/12

8:42 pm-11:48 pm

Nonstop2h 06m

Atlanta Hartsfield-Jackson

Sun 12/14

9:10 pm-10:12 pm

Nonstop2h 02m

$79

ChicagoAtlanta

ORD - ATL

ORDATL

Chicago O'Hare Intl

Thu 12/18

6:00 am-9:20 am

Nonstop2h 20m

Atlanta Hartsfield-Jackson

Sat 12/20

9:32 pm-10:46 pm

Nonstop2h 14m

$79

ChicagoAtlanta

ORD - ATL

ORDATL

Chicago O'Hare Intl

Mon 11/24

5:00 am-3:42 pm

1 stop9h 42m

Atlanta Hartsfield-Jackson

Thu 11/27

10:57 pm-12:08 am

Nonstop2h 11m

$91

ChicagoAtlanta

ORD - ATL

ORDATL

Chicago O'Hare Intl

Wed 11/19

2:31 pm-9:23 pm

1 stop5h 52m

Atlanta Hartsfield-Jackson

Thu 11/27

10:57 pm-12:08 am

Nonstop2h 11m

$93

ChicagoAtlanta

ORD - ATL

ORDATL

Chicago O'Hare Intl

Sat 12/6

7:10 am-8:52 pm

1 stop12h 42m

Atlanta Hartsfield-Jackson

Sat 12/13

8:39 am-2:21 pm

1 stop6h 42m

$99

ChicagoAtlanta

ORD - ATL

ORDATL

Chicago O'Hare Intl

Wed 12/3

5:00 am-3:42 pm

1 stop9h 42m

Atlanta Hartsfield-Jackson

Wed 12/10

9:01 am-8:01 pm

1 stop12h 00m

$105

ChicagoAtlanta

MDW - ATL

MDWATL

Chicago Midway

Sat 2/14

3:10 pm-6:00 pm

Nonstop1h 50m

Atlanta Hartsfield-Jackson

Tue 2/17

6:10 am-7:05 am

Nonstop1h 55m

$131

ChicagoAtlanta

ORD - ATL

ORDATL

Chicago O'Hare Intl

Mon 2/2

6:10 pm-9:15 pm

Nonstop2h 05m

Atlanta Hartsfield-Jackson

Mon 2/9

3:40 pm-4:55 pm

Nonstop2h 15m

$131

St. LouisAtlanta

STL - ATL

STLATL

Lambert-St Louis

Wed 12/10

5:00 pm-7:35 pm

Nonstop1h 35m

Atlanta Hartsfield-Jackson

Thu 12/11

1:05 pm-1:50 pm

Nonstop1h 45m

$192

PeoriaAtlanta

PIA - ATL

PIAATL

Greater Peoria

Sun 11/23

1:20 pm-9:33 pm

1 stop7h 13m

Atlanta Hartsfield-Jackson

Thu 11/27

10:10 am-2:33 pm

1 stop5h 23m

$279

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Atlanta from

How to get the cheapest flight ticket from Illinois to Atlanta

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Atlanta?

The month of August is, on average, the cheapest month to fly to Atlanta from Illinois, with most prices found around $159. If you aren’t able to travel to Atlanta during the month of August, then flying in February is also cheap. Prices for this month can be found on momondo for an average of $167.

What is the cheapest day to depart on your flight to Atlanta?

Our data shows that Friday is the least expensive day to fly to Atlanta. Tickets to fly out on this day can be as low as $236. Be sure to avoid booking your departure on a Sunday as prices are generally higher than usual. According to our data, the average ticket price to Atlanta on Sunday is $423.

What is the cheapest time of day to depart on your flight to Atlanta?

The cheapest time of day to fly to Atlanta is in the evening when flights can be purchased for as low as $206. Flights to Atlanta are more costly in the morning, with an average ticket price of $319. Departure times in the morning fall within the peak daily travel times, which is why tickets can be more expensive.

What is the cheapest Illinois to Atlanta Hartsfield-Jackson flight route?

Fly from Chicago O'Hare Intl to Atlanta Hartsfield-Jackson for the best Illinois - Atlanta Hartsfield-Jackson flight prices

How far in advance should I book a flight to Atlanta?

You are more likely to see cheaper flights to Atlanta from Illinois when booking weeks ahead of your departure date. In general, you can expect to find flights to Atlanta for around $186 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Atlanta from Illinois for as low as $147 on momondo.

What cabin class options are available on Illinois to Atlanta Hartsfield-Jackson flights?

There are 4 cabin classes available to choose from on Illinois to Atlanta Hartsfield-Jackson flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Illinois to Atlanta flights?

No. A direct flight is the cheapest option for a flight between Illinois to Atlanta.

Cheap Illinois to Atlanta flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Illinois to Atlanta

Best Price Found

$91

Fastest flight time

1h 29m

Direct flights

Every day

Airports in Atlanta

1 airport
The best one-way flight to Atlanta from Illinois in the past 72 hours is $91. The best round-trip flight deal from Illinois to Atlanta found on momondo in the last 72 hours is $155.
The fastest flight from Illinois to Atlanta takes 1h 29m
Direct flights go from Illinois to Atlanta every day.
There is 1 airport near Atlanta: Atlanta Hartsfield-Jackson (ATL)
Search flight deals

  • When did momondo last update prices for flights from Illinois to Atlanta Hartsfield-Jackson Airport?

    Prices for flights from Illinois to Atlanta Hartsfield-Jackson Airport refresh daily.

  • How many operators does momondo search for flights from Illinois to Atlanta Hartsfield-Jackson Airport?

  • How old do you have to be to fly from Illinois to Atlanta Hartsfield-Jackson Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Illinois to Atlanta Hartsfield-Jackson Airport.

  • What documentation or ID do you need to fly to Atlanta Hartsfield-Jackson Airport?

    The required travel and health documents for your Atlanta Hartsfield-Jackson Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Atlanta Hartsfield-Jackson Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular plane model from Illinois to Atlanta?

Best airlines flying from Illinois to Atlanta

Compare and see reviews for airlines that fly from Illinois to Atlanta with momondo
Airline
Rating
Free Cancellation
Price
Spirit AirlinesPriceFrom $46Free CancellationRating
6.3
8,132 reviews
Search Spirit Airlines flights
FrontierPriceFrom $57Free CancellationRating
5.8
3,111 reviews
Search Frontier flights
DeltaPriceFrom $100Free CancellationRating
7.9
8,002 reviews
Search Delta flights
SouthwestPriceFrom $139Free CancellationRating
8.0
4,238 reviews
Search Southwest flights
United AirlinesPriceFrom $140Free CancellationRating
7.4
9,014 reviews
Search United Airlines flights
American AirlinesPriceFrom $154Free CancellationRating
7.2
11,046 reviews
Search American Airlines flights

Traveling to a place near Atlanta?

Book flights to Atlanta if you plan to visit one of these locations
Helen
Marietta
McDonough
Duluth
Blue Ridge
Athens
Warner Robins
Dahlonega
Lawrenceville
Stone Mountain
Norcross
Covington
Cartersville
Auburn
Gadsden
Newnan
Conyers
La Grange
Kennesaw
Gainesville

Why use momondo?

Why should I use momondo to find a flight deal from Illinois to Atlanta?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Atlanta from Illinois.

Can I find flights from Illinois to Atlanta with flexible booking policies on momondo?

momondo does allow users to show only those flights to Atlanta from Illinois which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Illinois to Atlanta?

Once you have performed a search for Illinois to Atlanta flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from Illinois to Atlanta right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Illinois to Atlanta flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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