Cheap flights from Chattanooga to Illinois from $91
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 7/15. 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
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 November. Flight prices, which tend to average around $271, 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 November, then flying in July is also cheap. Prices for this month can be found on momondo for an average of $294.
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 $395. Flights from Chattanooga to Illinois on a Sunday will generally be more expensive and average around $570. 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 Chattanooga to Illinois during this time can be as low as $261. Flights at noon are often more expensive with an average ticket price of $471.
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 24 weeks ahead of your departure date. In general, you can expect to find flights to Illinois for around $315 when searching 24 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 $214 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.
What is the cheapest airline that flies from Chattanooga Lovell Field to Illinois?
Allegiant Air, Spirit Airlines, and American Airlines are the most popular carriers operating from Chattanooga Lovell Field to Illinois
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 55% 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 day?
As of June 2025, there are 4 flights per day flying from Chattanooga to Illinois. The most common time of day flights depart is 6:00AM, with 75% of flights taking off in the afternoon.
How many flights depart from Chattanooga to Illinois on average per week?
28 flights are operational weekly from Chattanooga to Illinois as of June 2025. The most popular departure day for this route is Mon, with 14% 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
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 June 2025, 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 67.17% of all bookings. The subsequent popular models are Embraer 175 (Enhanced Winglets) at 12.63%, Canadair (Bombardier) Regional Jet at 8.08%, and Canadair (Bombardier) Regional Jet 900 at 4.29%.
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 | ||
|---|---|---|---|---|---|
| PriceFrom $178 | Free Cancellation | Rating 8.0 7,952 reviews | |||
| PriceFrom $188 | Free Cancellation | Rating 7.2 10,000 reviews | |||
| PriceFrom $189 | Free Cancellation | Rating 7.4 8,782 reviews |
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.