Cheap flights from Chattanooga to Illinois from $85

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Chattanooga to Illinois departing on 4/30. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

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Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
4:11 pm - 12:24 am
CHA
-
ORD
9h 13m
1 stop
Multiple Airlines Logo
1:00 pm - 9:12 pm
ORD
-
CHA
7h 12m
1 stop
$172Multiple Airlines
Thu, Apr 30 - Sun, May 3
Multiple Airlines Logo
5:14 pm - 9:05 am
CHA
-
ORD
16h 51m
1 stop
Multiple Airlines Logo
5:05 am - 8:31 pm
ORD
-
CHA
14h 26m
1 stop
$176Multiple Airlines
Fri, Apr 17 - Sun, Apr 19
Allegiant Air Logo
10:02 pm - 6:19 pm
CHA
-
RFD
21h 17m
1 stop
Allegiant Air Logo
10:37 am - 9:12 pm
RFD
-
CHA
9h 35m
1 stop
$251Allegiant Air
Thu, May 7 - Sun, May 10
Allegiant Air Logo
9:20 pm - 6:19 pm
CHA
-
RFD
21h 59m
1 stop
Allegiant Air Logo
10:37 am - 8:30 pm
RFD
-
CHA
8h 53m
1 stop
$253Allegiant Air
Thu, Apr 23 - Sun, Apr 26
Delta Logo
7:10 am - 12:43 pm
CHA
-
MDW
6h 33m
1 stop
Delta Logo
5:21 pm - 11:53 pm
MDW
-
CHA
5h 32m
1 stop
$269Delta
Fri, May 1 - Mon, May 4
Delta Logo
3:00 pm - 5:58 pm
CHA
-
MDW
3h 58m
1 stop
Delta Logo
6:00 am - 1:28 pm
MDW
-
CHA
6h 28m
1 stop
$284Delta
Fri, Apr 17 - Fri, May 1
United Airlines Logo
5:46 pm - 9:52 pm
CHA
-
STL
5h 06m
1 stop
United Airlines Logo
7:45 am - 1:25 pm
STL
-
CHA
4h 40m
1 stop
$290United Airlines
Tue, Apr 28 - Tue, May 5
American Airlines Logo
6:45 pm - 11:33 pm
CHA
-
PIA
5h 48m
1 stop
American Airlines Logo
6:23 pm - 11:59 pm
PIA
-
CHA
4h 36m
1 stop
$309American Airlines
Thu, Apr 30 - Thu, May 7
United Airlines Logo
6:30 am - 10:02 am
CHA
-
PIA
4h 32m
1 stop
United Airlines Logo
7:43 pm - 12:23 am
PIA
-
CHA
3h 40m
1 stop
$314United Airlines
Mon, Apr 20 - Mon, Apr 27
American Airlines Logo
5:58 pm - 10:58 pm
CHA
-
PIA
6h 00m
1 stop
American Airlines Logo
12:12 pm - 9:45 pm
PIA
-
CHA
8h 33m
2 stops
$324American Airlines
Tue, Apr 14 - Sat, Apr 18

United Airlines flights from Chattanooga to Illinois

Our best United Airlines deals on Chattanooga to Illinois flight tickets
United Airlines
Apr 17
CHA6:30 amChattanooga Lovell Field
2h 09m
ORD7:39 amChicago O'Hare Intl
May 1
ORD7:15 amChicago O'Hare Intl
1h 52m
CHA10:07 amChattanooga Lovell Field
$264
United Airlines
Apr 16
CHA5:46 pmChattanooga Lovell Field
2h 19m
ORD7:05 pmChicago O'Hare Intl
Apr 19
ORD10:30 amChicago O'Hare Intl
1h 52m
CHA1:22 pmChattanooga Lovell Field
$279
United Airlines
Apr 28
CHA5:46 pmChattanooga Lovell Field
5h 06m
1 stop
STL9:52 pmLambert-St Louis
May 5
STL7:45 amLambert-St Louis
4h 40m
1 stop
CHA1:25 pmChattanooga Lovell Field
$290

American Airlines flights from Chattanooga to Illinois

Our best American Airlines deals on Chattanooga to Illinois flight tickets
American Airlines
Apr 17
CHA9:03 amChattanooga Lovell Field
6h 17m
1 stop
ORD2:20 pmChicago O'Hare Intl
Apr 24
ORD3:22 pmChicago O'Hare Intl
1h 52m
CHA6:14 pmChattanooga Lovell Field
$274
American Airlines
Apr 16
CHA6:45 pmChattanooga Lovell Field
2h 15m
ORD8:00 pmChicago O'Hare Intl
Apr 19
ORD3:22 pmChicago O'Hare Intl
1h 52m
CHA6:14 pmChattanooga Lovell Field
$282
American Airlines
Apr 16
CHA11:06 amChattanooga Lovell Field
5h 15m
1 stop
ORD3:21 pmChicago O'Hare Intl
Apr 18
ORD3:22 pmChicago O'Hare Intl
1h 52m
CHA6:14 pmChattanooga Lovell Field
$289

momondo Fare Finder

 
Customize your flight search to find flights from Chattanooga 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 April 4, 2026.
Use the filters below to find and compare flights from Chattanooga to Illinois that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

ChattanoogaChicago

CHA - ORD

CHAORD

Chattanooga Lovell Field

Thu 4/30

4:11 pm-12:24 am

1 stop9h 13m

Chicago O'Hare Intl

Sun 5/3

1:00 pm-9:12 pm

1 stop7h 12m

$172

ChattanoogaChicago

CHA - ORD

CHAORD

Chattanooga Lovell Field

Fri 4/17

5:14 pm-9:05 am

1 stop16h 51m

Chicago O'Hare Intl

Sun 4/19

5:05 am-8:31 pm

1 stop14h 26m

$176

ChattanoogaChicago

CHA - RFD

CHARFD

Chattanooga Lovell Field

Thu 5/7

10:02 pm-6:19 pm

1 stop21h 17m

Chicago Greater Rockford

Sun 5/10

10:37 am-9:12 pm

1 stop9h 35m

$251

ChattanoogaChicago

CHA - RFD

CHARFD

Chattanooga Lovell Field

Thu 4/23

9:20 pm-6:19 pm

1 stop21h 59m

Chicago Greater Rockford

Sun 4/26

10:37 am-8:30 pm

1 stop8h 53m

$253

ChattanoogaChicago

CHA - MDW

CHAMDW

Chattanooga Lovell Field

Fri 5/1

7:10 am-12:43 pm

1 stop6h 33m

Chicago Midway

Mon 5/4

5:21 pm-11:53 pm

1 stop5h 32m

$269

ChattanoogaChicago

CHA - MDW

CHAMDW

Chattanooga Lovell Field

Fri 4/17

3:00 pm-5:58 pm

1 stop3h 58m

Chicago Midway

Fri 5/1

6:00 am-1:28 pm

1 stop6h 28m

$284

ChattanoogaSt. Louis

CHA - STL

CHASTL

Chattanooga Lovell Field

Tue 4/28

5:46 pm-9:52 pm

1 stop5h 06m

Lambert-St Louis

Tue 5/5

7:45 am-1:25 pm

1 stop4h 40m

$290

ChattanoogaPeoria

CHA - PIA

CHAPIA

Chattanooga Lovell Field

Thu 4/30

6:45 pm-11:33 pm

1 stop5h 48m

Greater Peoria

Thu 5/7

6:23 pm-11:59 pm

1 stop4h 36m

$309
Quickest round-trip

ChattanoogaPeoria

CHA - PIA

CHAPIA

Chattanooga Lovell Field

Mon 4/20

6:30 am-10:02 am

1 stop4h 32m

Greater Peoria

Mon 4/27

7:43 pm-12:23 am

1 stop3h 40m

$314

ChattanoogaPeoria

CHA - PIA

CHAPIA

Chattanooga Lovell Field

Tue 4/14

5:58 pm-10:58 pm

1 stop6h 00m

Greater Peoria

Sat 4/18

12:12 pm-9:45 pm

2 stops8h 33m

$324

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 Chattanooga 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 Chattanooga is in February. Flight prices, which tend to average around $226, 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 $249.

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

The cheapest day to depart from Chattanooga to Illinois is on a Friday when prices can be found for as low as $347. Flights from Chattanooga to Illinois on a Sunday will generally be more expensive and average around $554. 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 afternoon. Flights from Chattanooga to Illinois during this time can be as low as $385. Flights at noon are often more expensive with an average ticket price of $411.

What is the cheapest Chattanooga Lovell Field to Illinois flight route?

Fly from Chattanooga Lovell Field to Chicago O'Hare Intl for the best Chattanooga Lovell Field - 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 Chattanooga when booking weeks ahead of your departure date. In general, you can expect to find flights to Illinois for around $284 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Illinois from Chattanooga for as low as $227 on momondo.

What cabin class options are available on Chattanooga Lovell Field to Illinois flights?

There are 4 cabin classes available to choose from on Chattanooga Lovell Field 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 Chattanooga to Illinois flights?

You could potentially save up to 6% on your flight if you consider stops on a Chattanooga to Illinois flight.

Cheap Chattanooga to Illinois flight deals and tips

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

Best Price Found

$248

Fastest flight time

2h 02m

Direct flights

Every day

Airports in Illinois

98 airports
The best one-way flight to Illinois from Chattanooga in the past 72 hours is $248. The best round-trip flight deal from Chattanooga to Illinois found on momondo in the last 72 hours is $294.
The fastest flight from Chattanooga to Illinois takes 2h 02m
Direct flights go from Chattanooga to Illinois every day.
There are 98 airports in Illinois. From Chattanooga there are direct flights to Chicago O'Hare Intl (ORD).

Frequently asked questions about flying from Chattanooga to Illinois

  • When did momondo last update prices for flights from Chattanooga Lovell Field Airport to Illinois?

    Prices for flights from Chattanooga Lovell Field Airport to Illinois are updated daily.

  • How many operators does momondo search for flights from Chattanooga Lovell Field Airport to Illinois?

  • How old do you have to be to fly from Chattanooga Lovell Field Airport to Illinois?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Chattanooga Lovell Field 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 Chattanooga to Illinois?

Best airlines flying from Chattanooga to Illinois

Compare and see reviews for airlines that fly from Chattanooga to Illinois with momondo
Airline
Rating
Free Cancellation
Price
American AirlinesPriceFrom $189Free CancellationRating
7.1
11,555 reviews
Search American Airlines flights
United AirlinesPriceFrom $189Free CancellationRating
7.4
9,541 reviews
Search United Airlines flights
DeltaPriceFrom $208Free CancellationRating
7.9
8,383 reviews
Search Delta flights

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Chattanooga to Illinois. Millions of users trust and use momondo every year so you are in good hands.

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

Flights from Chattanooga to Illinois with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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

Once all potential Chattanooga 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 Chattanooga to Illinois right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Illinois from Chattanooga. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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1 adult
Mon 5/4
Mon 5/11

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