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Find cheap flights from Chattanooga to Illinois from $112

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Chattanooga to Illinois departing on 6/10. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
0 bags
Sat 6/15
Sat 6/22

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Best Illinois Flight Deals

Cheapest round-trip prices found by our users on KAYAK in the last 72 hours

Chicago
Chicagononstop$169
Moline
Moline1 stop$397
Peoria
Peoria1 stop$288

Good to know

Low season

February

High season

July

Cheapest flight

$112
Best time to beat the crowds with an average 13% drop in price.
Most popular time to fly and prices are also 10% lower on average.
Flight from Chattanooga to Chicago O'Hare Airport

FAQs - booking Illinois flights

  • How does KAYAK find such low prices on flights from Chattanooga to Illinois?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Chattanooga to Illinois.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Chattanooga to Illinois?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Illinois from Chattanooga is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Chattanooga to Illinois?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Illinois with an airline and back to Chattanooga with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Chattanooga to Illinois?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Illinois from Chattanooga up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

See more FAQs

Top tips for finding cheap flights to Illinois

  • Looking for a cheap flight? 25% of our users found tickets from Chattanooga to the following destinations at these prices or less: Chicago $249 one-way - $298 round-trip
  • Morning departure is around 18% more expensive than an evening flight, on average*.
*Average of the lowest prices shown in KAYAK’s search results for departures within the next 30 days

Top airlines flying from Chattanooga to Illinois

 
Need help choosing which airline to fly with from Chattanooga to Illinois? KAYAK airline reviews give an overall score for each airline based on loads of factors, including comfort, boarding, in-flight entertainment and more, to make your decision easier. See airline scores according to verified KAYAK customer reviews.
8.0
DeltaOverall score based on 10673 reviews
7.9Comfort
8.6Crew
8.2Boarding
8.0Entertainment
7.4Food
Airline reviews

The 1st class male crew member was very pleasant - the short female with round glasses , maybe in 50’s had no personality- never spoke when delivering my food, drink, & never smiled the whole trip! In fact looked annoyed when the boarding proses was happening- I would never hire this woman - unfriendly . Have never dealt with a crew member like her-

4.0 OkayJoanne, May 2024MIA - JFK
Read more about Delta reviews

The 1st class male crew member was very pleasant - the short female with round glasses , maybe in 50’s had no personality- never spoke when delivering my food, drink, & never smiled the whole trip! In fact looked annoyed when the boarding proses was happening- I would never hire this woman - unfriendly . Have never dealt with a crew member like her-

5-hour delay due to storms in Tanoa and airspace restricted by Miami traffic controllers.

A regional sized plane was used for a cross country flight with no overhead bin space. I had to "pink check" my laptop and my medications. I was NOT pleased!!!!

Absolutely nothing flight was cancelled and delayed for 2 days. Barely a heads up I want a full refund

The plane from SNA wouldn’t start after 5 tries. The team gave me an option of flying direct from LAX and giving me a Lyft ride there! Perfect!

Best airline! Always friendly and welcoming. Skyclub was great and loved the fast free wifi on board. I also love that you can pre-order your meal on the app!

Atlanta boarding crew at gate were filled with arrogance and were disrespectful. In flight crew showed indifference to the needs of passengers. This is about the flight from ATL to BDL.

Boarding was somewhat chaotic. Unable to evaluate crew or food/drink because captain kept them seated due to turbulence. Have no idea if entertainment was offered.

The gate area was incredibly short staffed, with one representative manning 4-5 flights, which caused a 3 hr delay in boarding even though the plane was all ready to leave. Other flights also were delayed because of this. The flight crew was awesome and I feel bad for the only gate worker on call, but Delta needs to hire more employees.

Very frustrated with boarding gate crew. She announced the plane was small and they would be limiting us to one item to carry on. Not a problem for me as I understand the tiny planes have limited space!! Not the case here! It was a rather large plane and had plenty of room for bags! So because I don’t want to be one of “those people” who ignores the request to check a carry on I did so asking if I would be able to pick it up at the bottom of the ramp on arrival in Knoxville to which she responded “yes”! Then I watched as every other passenger held onto their 2 items and boarded!! Then when we arrived in Knoxville our 2 carry ons had been put with all the other luggage and we had to go to baggage pick up and wait for all the big checked bags to come off the carousel! So she lied!! Frustrating. Next time I won’t be so nice!

The CX617 from HK to BKK was delayed more than 1.5 hours.

This flight is frequently delayed. The connections seemingly are more frequently delayed. I’ve missed connections as a result twice on the same route to charlotte then Charleston. Final destination arrival has been the next day, twice in a row. No pilots, no crew. Too many excuses. Unfortunately, my days with American are over.

Entertainment was okay not because anything was wrong but it is a short flight so having no wifi is annoying but understandable. Crew was outstanding as usual

Those seats were way too narrow. I had the middle seat, one person was a very skinny person and we still couldn’t avoid touching each other anytime one of us moved. The other person was larger and we were basically sitting in each others lap the entire flight. There was zero entertainment. The flight was long enough to justify tvs, but no. Gotta sit there in your infant seat and twiddle your thumbs.

Flight was fine. It took an unusually long time to have baggage delivered to the carousel in ORD.

Average - flew with Jet Blue internal and it was far more comfortable and better food and entertainment. Notable difference

The flight got canceled due to mechanical issues, and he to be rebooked and missed my appointments for that day

The flight was scheduled to depart DCA at 12:30 pm but was delayed twice on the ground so that we were finally scheduled to depart at around 4:00 pm. Once we boarded, it was announced that takeoff would be delayed again to fix a hydraulic problem which delayed our eventual takeoff until around 5:00 pm. Once we departed, it was a smooth flight back to ORD. We did not get any explanation about what caused the original significant delay. In my experience, this happens frequently with AA.

The only problem experienced was a ground stop in Chicago due to weather. But the crew handled everything professionally. They prioritized rebooking those passengers who had connecting flights and then deplaning the other passengers. When the hold was lifted, they efficiently re-boarded all the passengers so that we could depart before our departure limit expired.

Our second leg to Jackson WY was unable to land due to weather. We were flown back to Dallas after stopping in SLC. We were given hotel rooms and vouchers. We were told that we would be back on the same plane in the morning. Instead we were given a different flight with different seats. Not a good experience. No one knew what was going on.

Book cheap flights from Chattanooga to Illinois

Recent round-trip flight deals

8/14Wed
nonstopUnited Airlines
2h 00mCHA-ORD
8/21Wed
nonstopUnited Airlines
1h 52mORD-CHA
$169
8/3Sat
1 stopAmerican Airlines
4h 13mCHA-ORD
8/8Thu
1 stopAmerican Airlines
7h 28mORD-CHA
$187
8/13Tue
1 stopDelta
6h 33mCHA-ORD
8/21Wed
1 stopDelta
3h 56mORD-CHA
$188
6/28Fri
nonstopUnited Airlines
2h 00mCHA-ORD
7/5Fri
nonstopUnited Airlines
1h 48mORD-CHA
$207
7/3Wed
nonstopUnited Airlines
2h 04mCHA-ORD
7/8Mon
nonstopUnited Airlines
1h 47mORD-CHA
$209
8/15Thu
1 stopDelta
5h 00mCHA-ORD
8/20Tue
1 stopDelta
6h 05mORD-CHA
$213
7/25Thu
nonstopUnited Airlines
2h 00mCHA-ORD
7/29Mon
nonstopUnited Airlines
1h 47mORD-CHA
$215
8/13Tue
nonstopUnited Airlines
2h 04mCHA-ORD
8/19Mon
nonstopUnited Airlines
1h 52mORD-CHA
$229
8/13Tue
1 stop
26h 59mCHA-ORD
8/21Wed
2 stops
24h 38mORD-CHA
$247
8/13Tue
1 stop
26h 59mCHA-ORD
8/17Sat
2 stops
24h 38mORD-CHA
$319

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Recent one-way flight deals

6/10Mon
1 stop
22h 51mCHA-ORD
$112
7/6Sat
1 stopDelta
3h 57mCHA-STL
$155
6/2Sun
2 stops
23h 02mCHA-ORD
$162
6/5Wed
1 stopDelta
4h 16mCHA-MDW
$173
6/13Thu
1 stopAllegiant Air
25h 50mCHA-RFD
$189
6/2Sun
1 stopAllegiant Air
25h 34mCHA-RFD
$202
6/21Fri
nonstopUnited Airlines
2h 00mCHA-ORD
$205
5/25Sat
1 stopAmerican Airlines
4h 17mCHA-STL
$222
5/24Fri
1 stopAmerican Airlines
7h 29mCHA-STL
$223
6/5Wed
nonstopUnited Airlines
2h 05mCHA-ORD
$235

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Last minute flights from Chattanooga to Illinois

Last minute flight, train and bus deals

5/17Fri
multi-stopAmerican Airlines
4h 54mCHA-ORD
9/17Tue
multi-stopAmerican Airlines
4h 04mORD-CHA
$255
5/17Fri
multi-stopAmerican Airlines
4h 54mCHA-ORD
5/18Sat
multi-stopAmerican Airlines
6h 44mORD-CHA
$297
5/18Sat
nonstopUnited Airlines
2h 02mCHA-ORD
9/18Wed
nonstopUnited Airlines
1h 54mORD-CHA
$299
5/17Fri
multi-stopAmerican Airlines
4h 54mCHA-ORD
6/22Sat
multi-stopAmerican Airlines
5h 27mORD-CHA
$317
5/21Tue
multi-stopAmerican Airlines
4h 56mCHA-ORD
5/25Sat
multi-stopAmerican Airlines
4h 42mORD-CHA
$321
5/18Sat
nonstopUnited Airlines
2h 02mCHA-ORD
9/16Mon
nonstopUnited Airlines
1h 54mORD-CHA
$324
5/18Sat
nonstopUnited Airlines
2h 02mCHA-ORD
9/13Fri
nonstopUnited Airlines
1h 54mORD-CHA
$349
5/18Sat
multi-stopDelta
3h 50mCHA-ORD
9/14Sat
multi-stopDelta
4h 31mORD-CHA
$543
5/18Sat
multi-stopDelta
3h 50mCHA-ORD
9/18Wed
multi-stopDelta
3h 54mORD-CHA
$568
5/17Fri
multi-stop
17h 02mCHA-MDW
5/20Mon
multi-stop
9h 39mMDW-CHA
$1,145

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Chattanooga - Illinois Flights

Departure:

Chattanooga (CHA)United States

Return flight deals:

Illinois - Chattanooga

Cabin classes:

$1,339
$1,218
$388
$228