What airlines fly to Illinois?

United Airlines, American Airlines and Delta are the top three most popular airlines that fly to Illinois from Chattanooga according to our data. United Airlines is the first choice among our users, with 49% of people opting to fly with this airline when traveling to Illinois. Keep in mind that there are 4 different airlines that fly to Illinois on a routine basis, so you have a few additional options to choose from.

How many flights depart from Chattanooga to Illinois on average per week?

15 flights are operational weekly from Chattanooga to Illinois as of February 2026. The most popular departure day for this route is Mon, with 20% of flights per week taking off on this day.

What is the cheapest airline that flies from Chattanooga Lovell Field to Illinois?

United Airlines, Delta, and Allegiant Air are the most popular carriers operating from Chattanooga Lovell Field to Illinois

How many flights depart from Chattanooga to Illinois on average per day?

As of February 2026, there are 2 flights per day flying from Chattanooga to Illinois. The most common time of day flights depart is 1:00PM, with 80% of flights taking off in the afternoon.

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?

As of February 2026, there are 3 operators available to choose from 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.

$77 Cheap Flights from Chattanooga to Illinois in 2026

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Find the cheapest flights from Chattanooga to Illinois

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

9:23 pm - 11:22 am

CHA

ORD

14h 59m

1 stop

8:16 pm - 5:38 pm

ORD

CHA

20h 22m

1 stop

$148Multiple Airlines

Thu, Feb 26 - Wed, Mar 4

9:23 pm - 11:22 am

CHA

ORD

14h 59m

1 stop

4:43 pm - 8:33 pm

ORD

CHA

26h 50m

1 stop

$153Multiple Airlines

Thu, Feb 26 - Sat, Feb 28

6:30 am - 7:37 am

CHA

ORD

2h 07mnonstop

5:45 pm - 8:30 pm

ORD

CHA

1h 45mnonstop

$189United Airlines

Sat, Feb 28 - Sat, Mar 7

6:15 pm - 10:31 pm

CHA

MDW

5h 16m

1 stop

9:27 am - 2:18 pm

MDW

CHA

3h 51m

1 stop

$209Delta

Fri, Apr 10 - Tue, Apr 14

5:22 pm - 9:26 pm

CHA

PIA

5h 04m

1 stop

8:00 am - 1:26 pm

PIA

CHA

4h 26m

1 stop

$249United Airlines

Wed, Mar 4 - Sat, Mar 7

1:30 pm - 3:58 pm

CHA

STL

3h 28m

1 stop

6:00 am - 1:05 pm

STL

CHA

6h 05m

1 stop

$249Delta

Thu, Jun 25 - Sun, Jun 28

3:35 pm - 11:25 pm

CHA

PIA

8h 50m

2 stops

2:59 pm - 9:51 pm

PIA

CHA

5h 52m

1 stop

$259American Airlines

Sat, Feb 21 - Wed, Feb 25

5:15 am - 9:40 am

CHA

STL

5h 25m

1 stop

6:06 am - 3:07 pm

STL

CHA

8h 01m

2 stops

$264American Airlines

Tue, Feb 17 - Sat, Feb 21

8:40 am - 6:52 pm

CHA

RFD

11h 12m

1 stop

10:37 am - 8:46 pm

RFD

CHA

9h 09m

1 stop

$431Allegiant Air

Thu, Mar 19 - Sun, Mar 22

10:52 am - 5:19 pm

CHA

RFD

7h 27m

1 stop

10:42 am - 9:06 pm

RFD

CHA

9h 24m

1 stop

$442Allegiant Air

Sun, Feb 8 - Mon, Feb 9

American Airlines flights from Chattanooga to Illinois

Our best American Airlines deals on Chattanooga to Illinois flight tickets

American Airlines

Apr 9

CHA7:35 amChattanooga Lovell Field

2h 12m

ORD8:47 amChicago O'Hare Intl

Apr 13

ORD7:41 pmChicago O'Hare Intl

1h 53m

CHA10:34 pmChattanooga Lovell Field

$204

American Airlines

Apr 24

CHA6:45 pmChattanooga Lovell Field

2h 15m

ORD8:00 pmChicago O'Hare Intl

Apr 27

ORD3:22 pmChicago O'Hare Intl

1h 52m

CHA6:14 pmChattanooga Lovell Field

$219

American Airlines

Feb 28

CHA2:11 pmChattanooga Lovell Field

8h 49m

1 stop

ORD10:00 pmChicago O'Hare Intl

Mar 7

ORD6:59 pmChicago O'Hare Intl

1h 52m

CHA9:51 pmChattanooga Lovell Field

$220

United Airlines flights from Chattanooga to Illinois

Our best United Airlines deals on Chattanooga to Illinois flight tickets

United Airlines

Feb 28

CHA6:30 amChattanooga Lovell Field

2h 07m

ORD7:37 amChicago O'Hare Intl

Mar 7

ORD5:45 pmChicago O'Hare Intl

1h 45m

CHA8:30 pmChattanooga Lovell Field

$189

United Airlines

Feb 17

CHA1:15 pmChattanooga Lovell Field

2h 07m

ORD2:22 pmChicago O'Hare Intl

Feb 21

ORD9:25 amChicago O'Hare Intl

1h 51m

CHA12:16 pmChattanooga Lovell Field

$219

United Airlines

Jun 27

CHA6:30 amChattanooga Lovell Field

2h 07m

ORD7:37 amChicago O'Hare Intl

Jul 4

ORD10:30 amChicago O'Hare Intl

1h 51m

CHA1:21 pmChattanooga Lovell Field

$228

Fly from

Fly to

Route

Depart

Return

Price

ChattanoogaChicago

CHA - ORD

CHAORD

Chattanooga Lovell Field

Thu 2/26

9:23 pm-11:22 am

1 stop14h 59m

Chicago O'Hare Intl

Wed 3/4

8:16 pm-5:38 pm

1 stop20h 22m

$148

ChattanoogaChicago

CHA - ORD

CHAORD

Chattanooga Lovell Field

Thu 2/26

9:23 pm-11:22 am

1 stop14h 59m

Chicago O'Hare Intl

Sat 2/28

4:43 pm-8:33 pm

1 stop26h 50m

$153

ChattanoogaChicago

CHA - ORD

CHAORD

Chattanooga Lovell Field

Sat 2/28

6:30 am-7:37 am

Nonstop2h 07m

Chicago O'Hare Intl

Sat 3/7

5:45 pm-8:30 pm

Nonstop1h 45m

$189

ChattanoogaChicago

CHA - MDW

CHAMDW

Chattanooga Lovell Field

Fri 4/10

6:15 pm-10:31 pm

1 stop5h 16m

Chicago Midway

Tue 4/14

9:27 am-2:18 pm

1 stop3h 51m

$209

ChattanoogaPeoria

CHA - PIA

CHAPIA

Chattanooga Lovell Field

Wed 3/4

5:22 pm-9:26 pm

1 stop5h 04m

Greater Peoria

Sat 3/7

8:00 am-1:26 pm

1 stop4h 26m

$249

ChattanoogaSt. Louis

CHA - STL

CHASTL

Chattanooga Lovell Field

Thu 6/25

1:30 pm-3:58 pm

1 stop3h 28m

Lambert-St Louis

Sun 6/28

6:00 am-1:05 pm

1 stop6h 05m

$249

ChattanoogaPeoria

CHA - PIA

CHAPIA

Chattanooga Lovell Field

Sat 2/21

3:35 pm-11:25 pm

2 stops8h 50m

Greater Peoria

Wed 2/25

2:59 pm-9:51 pm

1 stop5h 52m

$259

ChattanoogaSt. Louis

CHA - STL

CHASTL

Chattanooga Lovell Field

Tue 2/17

5:15 am-9:40 am

1 stop5h 25m

Lambert-St Louis

Sat 2/21

6:06 am-3:07 pm

2 stops8h 01m

$264

ChattanoogaChicago

CHA - RFD

CHARFD

Chattanooga Lovell Field

Thu 3/19

8:40 am-6:52 pm

1 stop11h 12m

Chicago Greater Rockford

Sun 3/22

10:37 am-8:46 pm

1 stop9h 09m

$431

ChattanoogaChicago

CHA - RFD

CHARFD

Chattanooga Lovell Field

Sun 2/8

10:52 am-5:19 pm

1 stop7h 27m

Chicago Greater Rockford

Mon 2/9

10:42 am-9:06 pm

1 stop9h 24m

$442

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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

Prices

Airlines

Other information

What is the cheapest month to fly to Illinois?

The cheapest month to fly to Illinois from Chattanooga is in January. Flight prices, which tend to average around $249, 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 January, then flying in December 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 $357. Flights from Chattanooga to Illinois on a Sunday will generally be more expensive and average around $572. 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 at noon. Flights from Chattanooga to Illinois during this time can be as low as $405. Flights in the morning are often more expensive with an average ticket price of $410.

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 $293 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 $206 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 55% 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	$293
Fastest flight time	1h 54m
Direct flights	Every day
Airports in Illinois	98 airports

The best one-way flight to Illinois from Chattanooga in the past 72 hours is $293. The best round-trip flight deal from Chattanooga to Illinois found on momondo in the last 72 hours is $303.

The fastest flight from Chattanooga to Illinois takes 1h 54m

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).

Search flight deals

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?
As of February 2026, there are 3 operators available to choose from 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?
momondo data reveals that the most frequently booked plane model on the route from Chattanooga to Illinois is Canadair (Bombardier) Regional Jet CRJ-550, representing 43.50% of all bookings. The subsequent popular models are Embraer 175 at 30.66%, Embraer 175 (Enhanced Winglets) at 11.97%, and Embraer 170 at 5.99%.

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 Airlines	PriceFrom $189	Free Cancellation	Rating 7.2 11,217 reviews	Search American Airlines flights
United Airlines	PriceFrom $189	Free Cancellation	Rating 7.4 9,236 reviews	Search United Airlines flights
Delta	PriceFrom $208	Free Cancellation	Rating 7.9 8,138 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.

An easier way to manage your Illinois trip

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Popular cities in Illinois

Flights to New Yorkfrom $49

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Flights to Las Vegasfrom $49

Flights to Washington, D.C.from $51

Flights to Bostonfrom $51

Flights to Atlantafrom $49

Flights to Dallasfrom $49

Flights to Seattlefrom $83

Cheap flights from Chattanooga to Illinois from $77

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 2/26. 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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How to get the cheapest flight ticket from Chattanooga to Illinois

What is the cheapest month to fly to Illinois?

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

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 at noon. Flights from Chattanooga to Illinois during this time can be as low as $405. Flights in the morning are often more expensive with an average ticket price of $410.

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?

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 55% on your flight if you consider stops on a Chattanooga to Illinois flight.

What is the cheapest airline that flies from Chattanooga Lovell Field to Illinois?

United Airlines, Delta, and Allegiant Air are the most popular carriers operating from Chattanooga Lovell Field to Illinois

What airlines fly to Illinois?

How many flights depart from Chattanooga to Illinois on average per day?

As of February 2026, there are 2 flights per day flying from Chattanooga to Illinois. The most common time of day flights depart is 1:00PM, with 80% of flights taking off in the afternoon.

How many flights depart from Chattanooga to Illinois on average per week?

15 flights are operational weekly from Chattanooga to Illinois as of February 2026. The most popular departure day for this route is Mon, with 20% of flights per week taking off on this day.

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

Fastest flight time

Direct flights

Airports in Illinois

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

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?

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

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

Why use momondo?

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

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

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

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

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Illinois

Popular cities in Illinois

Popular flights according to clicks in the last 7 days on momondo

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According to popular flight searches on momondo this year

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