Cheap flights from Tennessee to Illinois from $32
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Tennessee to Illinois departing on 6/27. 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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American Airlines flights from Tennessee to Illinois
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How to get the cheapest flight ticket from Tennessee 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 Tennessee is in August. Flight prices, which tend to average around $144, 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 August, then flying in September is also cheap. Prices for this month can be found on momondo for an average of $147.
What is the cheapest day to depart on your flight to Illinois?
The cheapest day to depart from Tennessee to Illinois is on a Friday when prices can be found for as low as $316. Flights from Tennessee to Illinois on a Monday will generally be more expensive and average around $797. 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 Tennessee to Illinois during this time can be as low as $170. Flights in the afternoon are often more expensive with an average ticket price of $667.
What is the cheapest Tennessee to Illinois flight route?
Fly from Nashville Intl to Chicago Greater Rockford for the best Tennessee - 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 Tennessee when booking 9 weeks ahead of your departure date. In general, you can expect to find flights to Illinois for around $186 when searching 9 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Illinois from Tennessee for as low as $128 on momondo.
What cabin class options are available on Tennessee to Illinois flights?
There are 4 cabin classes available to choose from on Tennessee 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 Tennessee to Illinois?
Spirit Airlines, Allegiant Air, and Southwest are the most popular carriers operating from Tennessee to Illinois
What airlines fly to Illinois?
United Airlines, American Airlines and Frontier are the top three most popular airlines that fly to Illinois from Tennessee according to our data. United Airlines is the first choice among our users, with 39% of people opting to fly with this airline when traveling to Illinois. Keep in mind that there are 7 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 Tennessee to Illinois on average per day?
As of June 2025, 124 flights take off from Tennessee and land in Illinois each day. The most common flight departure time for this route is 7:00AM, with 43% of daily flights taking off in the afternoon.
How many flights depart from Tennessee to Illinois on average per week?
868 flights are operational weekly from Tennessee to Illinois as of June 2025. The most popular departure day for this route is Thu, with 17% of flights per week taking off on this day.
Cheap Tennessee to Illinois flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Tennessee to Illinois
When did momondo last update prices for flights from Tennessee to Illinois?
Prices for flights from Tennessee to Illinois are updated daily.
How many operators does momondo search for flights from Tennessee to Illinois?
As of June 2025, there are 8 operators available to choose from for flights from Tennessee to Illinois.
How old do you have to be to fly from Tennessee to Illinois?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Tennessee to Illinois.
What documentation or ID do you need to fly to Illinois?
The travel and health documents required for your trip to Illinois can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Illinois. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
What is the most popular plane model from Tennessee to Illinois?
momondo data reveals that the most frequently booked plane model on the route from Tennessee to Illinois is Embraer 175 (Enhanced Winglets), representing 12.02% of all bookings. The subsequent popular models are Boeing 737 MAX 8 at 10.97%, Canadair (Bombardier) Regional Jet 700 at 9.34%, and Canadair (Bombardier) Regional Jet CRJ-550 at 8.66%.
Best airlines flying from Tennessee to Illinois
Compare and see reviews for airlines that fly from Tennessee to Illinois with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $32 | Free Cancellation | Rating 5.9 3,295 reviews | |||
| PriceFrom $43 | Free Cancellation | Rating 6.3 8,052 reviews | |||
| PriceFrom $65 | Free Cancellation | Rating 7.3 725 reviews | |||
| PriceFrom $95 | Free Cancellation | Rating 7.2 10,000 reviews | |||
| PriceFrom $117 | Free Cancellation | Rating 8.0 4,287 reviews | |||
| PriceFrom $117 | Free Cancellation | Rating 8.0 7,946 reviews | |||
| PriceFrom $119 | Free Cancellation | Rating 7.4 8,790 reviews |
Why use momondo?
Why should I use momondo to find a flight deal from Tennessee to Illinois?
It is quick and easy to find Tennessee to Illinois flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Illinois that suits you.
Can I find flights from Tennessee to Illinois with flexible booking policies on momondo?
Yes. momondo enables you to select and highlight flights to Illinois from Tennessee with this policy.
How can momondo help me find flights from Tennessee to Illinois?
momondo helps you find the best flight between Tennessee and Illinois by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.
I’m not ready to book a flight from Tennessee to Illinois right now. Can momondo alert me if prices change?
Yes momondo offers price alerts on flights to Illinois from Tennessee. 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.