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Cheap flights from Atlanta to Illinois from $38

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Atlanta to Illinois departing on 9/22. 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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0 bags

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Find the cheapest flights from Atlanta to Illinois

Cheap round-trip flights

Frontier Logo
8:30 pm - 9:23 amATL-MDW
13h 53m1 stop
Frontier Logo
6:20 am - 9:27 amMDW-ATL
2h 07mnonstop
$80Frontier
Find Deal
sáb., sep. 13 - lun., sep. 15
Frontier Logo
9:26 am - 10:41 amATL-ORD
2h 15mnonstop
Frontier Logo
12:28 pm - 3:32 pmORD-ATL
2h 04mnonstop
$80Frontier
Find Deal
jue., oct. 16 - lun., oct. 20
Frontier Logo
1:10 pm - 2:34 pmATL-ORD
2h 24mnonstop
Frontier Logo
6:55 pm - 10:30 pmORD-ATL
2h 35mnonstop
$81Frontier
Find Deal
mié., sep. 3 - mié., sep. 3
Southwest Logo
8:25 am - 9:10 amATL-STL
1h 45mnonstop
Southwest Logo
8:00 am - 10:35 amSTL-ATL
1h 35mnonstop
$157Southwest
Find Deal
jue., sep. 18 - dom., sep. 21
American Airlines Logo
5:18 pm - 11:07 pmATL-PIA
6h 49m1 stop
American Airlines Logo
9:54 am - 2:49 pmPIA-ATL
3h 55m1 stop
$249American Airlines
Find Deal
mié., sep. 17 - lun., sep. 22
American Airlines Logo
7:26 pm - 11:01 pmATL-PIA
4h 35m1 stop
American Airlines Logo
9:57 am - 7:38 pmPIA-ATL
8h 41m2 stops
$254American Airlines
Find Deal
mar., oct. 14 - sáb., oct. 18
Delta Logo
12:17 pm - 12:37 pmATL-EVV
1h 20mnonstop
Delta Logo
6:01 pm - 8:35 pmEVV-ATL
1h 34mnonstop
$299Delta
Find Deal
jue., sep. 18 - dom., sep. 21
Delta Logo
9:10 am - 9:34 amATL-EVV
1h 24mnonstop
Delta Logo
10:14 am - 12:41 pmEVV-ATL
1h 27mnonstop
$319Delta
Find Deal
jue., sep. 18 - dom., sep. 21
United Airlines Logo
1:27 pm - 4:43 pmATL-PIA
4h 16m1 stop
United Airlines Logo
3:55 pm - 9:48 pmPIA-ATL
4h 53m1 stop
$319United Airlines
Find Deal
mié., sep. 17 - lun., sep. 22
United Airlines Logo
1:27 pm - 4:43 pmATL-PIA
4h 16m1 stop
United Airlines Logo
6:55 am - 12:20 pmPIA-ATL
4h 25m1 stop
$364United Airlines
Find Deal
mar., sep. 16 - jue., sep. 18

Frontier flights from Atlanta to Illinois

Our best Frontier deals on Atlanta to Illinois flight tickets
Frontier
Oct 16
ATL9:26 amAtlanta Hartsfield-Jackson
2h 15m
ORD10:41 amChicago O'Hare Intl
Oct 20
ORD12:28 pmChicago O'Hare Intl
2h 04m
ATL3:32 pmAtlanta Hartsfield-Jackson
$80
Find similar
Frontier
Sep 3
ATL1:10 pmAtlanta Hartsfield-Jackson
2h 24m
ORD2:34 pmChicago O'Hare Intl
Sep 3
ORD6:55 pmChicago O'Hare Intl
2h 35m
ATL10:30 pmAtlanta Hartsfield-Jackson
$81
Find similar
Frontier
Sep 3
ATL1:10 pmAtlanta Hartsfield-Jackson
2h 24m
ORD2:34 pmChicago O'Hare Intl
Sep 6
ORD12:22 pmChicago O'Hare Intl
2h 15m
ATL3:37 pmAtlanta Hartsfield-Jackson
$82
Find similar

Spirit Airlines flights from Atlanta to Illinois

Our best Spirit Airlines deals on Atlanta to Illinois flight tickets
Spirit Airlines
Aug 25
ATL3:06 pmAtlanta Hartsfield-Jackson
2h 20m
ORD4:26 pmChicago O'Hare Intl
Aug 27
ORD11:21 amChicago O'Hare Intl
1h 50m
ATL2:11 pmAtlanta Hartsfield-Jackson
$133
Find similar
Spirit Airlines
Aug 28
ATL6:35 amAtlanta Hartsfield-Jackson
7h 57m
1 stop
STL1:32 pmLambert-St Louis
Aug 31
STL2:30 pmLambert-St Louis
7h 35m
1 stop
ATL11:05 pmAtlanta Hartsfield-Jackson
$252
Find similar
Spirit Airlines
Aug 29
ATL6:35 amAtlanta Hartsfield-Jackson
7h 57m
1 stop
STL1:32 pmLambert-St Louis
Aug 31
STL2:30 pmLambert-St Louis
14h 55m
2 stops
ATL6:25 amAtlanta Hartsfield-Jackson
$333
Find similar

momondo 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, momondo users made 832,500 searches. Data last updated agosto 21, 2025.
Use the filters below to find and compare flights from Atlanta to Illinois that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

AtlantaChicago

ATL - MDW

ATLMDW

Atlanta Hartsfield-Jackson

sáb. 9/13

8:30 pm-9:23 am

1 stop13h 53m

Chicago Midway

lun. 9/15

6:20 am-9:27 am

Nonstop2h 07m

$80

AtlantaChicago

ATL - ORD

ATLORD

Atlanta Hartsfield-Jackson

jue. 10/16

9:26 am-10:41 am

Nonstop2h 15m

Chicago O'Hare Intl

lun. 10/20

12:28 pm-3:32 pm

Nonstop2h 04m

$80

AtlantaChicago

ATL - ORD

ATLORD

Atlanta Hartsfield-Jackson

mié. 9/3

1:10 pm-2:34 pm

Nonstop2h 24m

Chicago O'Hare Intl

mié. 9/3

6:55 pm-10:30 pm

Nonstop2h 35m

$81

AtlantaSt. Louis

ATL - STL

ATLSTL

Atlanta Hartsfield-Jackson

jue. 9/18

8:25 am-9:10 am

Nonstop1h 45m

Lambert-St Louis

dom. 9/21

8:00 am-10:35 am

Nonstop1h 35m

$157

AtlantaPeoria

ATL - PIA

ATLPIA

Atlanta Hartsfield-Jackson

mié. 9/17

5:18 pm-11:07 pm

1 stop6h 49m

Greater Peoria

lun. 9/22

9:54 am-2:49 pm

1 stop3h 55m

$249

AtlantaPeoria

ATL - PIA

ATLPIA

Atlanta Hartsfield-Jackson

mar. 10/14

7:26 pm-11:01 pm

1 stop4h 35m

Greater Peoria

sáb. 10/18

9:57 am-7:38 pm

2 stops8h 41m

$254

AtlantaEvansville

ATL - EVV

ATLEVV

Atlanta Hartsfield-Jackson

jue. 9/18

12:17 pm-12:37 pm

Nonstop1h 20m

Evansville Dress Regional

dom. 9/21

6:01 pm-8:35 pm

Nonstop1h 34m

$299

AtlantaEvansville

ATL - EVV

ATLEVV

Atlanta Hartsfield-Jackson

jue. 9/18

9:10 am-9:34 am

Nonstop1h 24m

Evansville Dress Regional

dom. 9/21

10:14 am-12:41 pm

Nonstop1h 27m

$319

AtlantaPeoria

ATL - PIA

ATLPIA

Atlanta Hartsfield-Jackson

mié. 9/17

1:27 pm-4:43 pm

1 stop4h 16m

Greater Peoria

lun. 9/22

3:55 pm-9:48 pm

1 stop4h 53m

$319

AtlantaPeoria

ATL - PIA

ATLPIA

Atlanta Hartsfield-Jackson

mar. 9/16

1:27 pm-4:43 pm

1 stop4h 16m

Greater Peoria

jue. 9/18

6:55 am-12:20 pm

1 stop4h 25m

$364

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 Illinois from

How to get the cheapest flight ticket from Atlanta to Illinois

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 Illinois?

The cheapest month to fly to Illinois from Atlanta is in February. Flight prices, which tend to average around $137, are often lower during this time because this is during the off-season. If you aren’t able to travel to Illinois during the month of February, then flying in January is also cheap. Prices for this month can be found on momondo for an average of $138.

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

The cheapest day to depart from Atlanta to Illinois is on a Thursday when prices can be found for as low as $202. Flights from Atlanta to Illinois on a Sunday will generally be more expensive and average around $317. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

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

Our most recent data shows that the best time of day to fly to Illinois is in the evening. Flights from Atlanta to Illinois during this time can be as low as $168. Flights in the afternoon are often more expensive with an average ticket price of $293.

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

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

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

You are more likely to see cheaper flights to Illinois from Atlanta when booking weeks ahead of your departure date. In general, you can expect to find flights to Illinois for around $177 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Illinois from Atlanta for as low as $149 on momondo.

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

There are 4 cabin classes available to choose from on Atlanta Hartsfield-Jackson to Illinois 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 Atlanta to Illinois flights?

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

Cheap Atlanta to Illinois flight deals and tips

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

Best Price Found

$85

Fastest flight time

1h 20m

Direct flights

Every day

Airports in Illinois

3 airports
The best one-way flight to Illinois from Atlanta in the past 72 hours is $85. The best round-trip flight deal from Atlanta to Illinois found on momondo in the last 72 hours is $135.
The fastest flight from Atlanta to Illinois takes 1h 20m
Direct flights go from Atlanta to Illinois every day.
There are 3 airports near Illinois: Evansville Dress Regional (EVV), Lambert-St Louis (STL), Bloomington-Normal (BMI)
Search flight deals

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

    Prices for flights from Atlanta Hartsfield-Jackson Airport to Illinois were last updated today.

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

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

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Atlanta Hartsfield-Jackson Airport to Illinois.

  • What documentation or ID do you need to fly to Illinois?

    The required travel and health documents for your Illinois 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 Illinois. 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 Atlanta to Illinois?

Best airlines flying from Atlanta to Illinois

Compare and see reviews for airlines that fly from Atlanta to Illinois with momondo
Airline
Rating
Free Cancellation
Price
Spirit AirlinesPriceFrom $49Free CancellationRating
6.3
8,035 reviews
Search Spirit Airlines flights
FrontierPriceFrom $57Free CancellationRating
5.8
3,207 reviews
Search Frontier flights
DeltaPriceFrom $106Free CancellationRating
7.9
7,981 reviews
Search Delta flights
United AirlinesPriceFrom $137Free CancellationRating
7.4
8,930 reviews
Search United Airlines flights
American AirlinesPriceFrom $147Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
SouthwestPriceFrom $157Free CancellationRating
8.0
4,245 reviews
Search Southwest flights

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Atlanta to Illinois for you.

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

All flight searches from Atlanta to Illinois on momondo can be filtered to show those which offer flexible booking policies.

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

Once all potential Atlanta to Illinois flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

If you are simply researching potential flights to Illinois, momondo offers a useful price alert feature which will track prices for flights to Illinois from Atlanta and alert you when they change.

An easier way to manage your Illinois trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
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