Cheap flights from Illinois to Knoxville (TYS) from $49

When searching for a good deal, it’s best to be prepared for potential fluctuations in price. We recommend booking at least 25 days in advance, which can save you up to 43% on flights from Illinois to Knoxville compared to booking the week you need them. Waiting 25 days out may not be for everyone, so we have options available for flights within the next two weeks, with the lowest price starting at $291. For sooner than that we have options available in the next 3 days from $386.

Our data shows that February tends to be the cheapest month to fly to Knoxville from Illinois. Users have commonly found prices around $271 for the month, but tickets can be as low as $175. Due to multiple factors, prepare for potentially higher prices in March.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Illinois to Knoxville as you normally would.

Knoxville McGhee Tyson (TYS), located 11.3 mi from the city center, is the airport you fly into when you book flights from Illinois to Knoxville.

Yes, there are multiple flights from Illinois to Knoxville for under $200. The cheapest flight booked recently is on Allegiant Air for just $104, but on average you can expect to pay $150.

Cheapflights has at least 20 direct flights from Illinois to Knoxville under $200. A good price for a nonstop flight from Illinois to Knoxville is less than $181.

There are currently 20+ open flights from Illinois to Knoxville within the next 7 days for less than $200.

Nonstop flights can be found on the following days: Monday, Tuesday, Thursday, Friday.

19 flight departures from Illinois to Knoxville per day on average.
Morning (6am - Noon) - 11% of flight departures
Afternoon (Noon - 6pm) - 58% of flight departures
Evening (6pm - Midnight) - 32% of flight departures

A quick flight from Illinois to Knoxville can take about 1h 24m. Allegiant Air provides one of the quickest options available for as low as $104. The distance between Illinois and Knoxville is about 477 mi. Both multi-stop and nonstop flights can be found to your destination and back.

The cheapest airlines for a one-way flight from Illinois to Knoxville are Allegiant Air ($49), Frontier ($70), and American Airlines ($111).

While some choose either Chicago Midway - Knoxville McGhee Tyson or Lambert-St Louis - Knoxville McGhee Tyson, Chicago O'Hare Intl - Knoxville McGhee Tyson is the most popular route from Illinois to Knoxville.

When booking a flight from Illinois to Knoxville, you may want to consider flying on American Airlines, Delta or Allegiant Air as they are the most popular for this route.

No one likes to see their flight delayed. When booking a flight from Illinois to Knoxville consider choosing Republic Airways (100%), Lufthansa (84%) or Air Wisconsin (83%) as they are the most reliable in getting you off to your destination on time.

While on average a flight from Illinois to Knoxville is generally $278, our data shows the cheapest flight currently is $157. When looking at the most popular route, (Chicago O'Hare Intl - Knoxville McGhee Tyson), you can expect to pay $167 for that flight.

This is defined as Chicago O'Hare Intl Airport (ORD) and Knoxville McGhee Tyson Airport (TYS). Codes like Knoxville McGhee Tyson Airport are often used to just call airports uniquely. This flight route has multiple associated airports, so we think it might be helpful to learn the name and codes of them as well. They are Chicago Midway Airport (MDW), Moline Quad-City Airport (MLI), Greater Peoria Airport (PIA), Bloomington-Normal Airport (BMI), Champaign University-Willard Airport (CMI).

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to Knoxville from Illinois today with Cheapflights!

Cheapflights simply makes it quick and affordable to book flights from Illinois to Knoxville by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

Yes, we can. To see specific flights from Illinois to Knoxville with no change fees, users can toggle flexible booking options after using the search form above to find flights.

Yes, and it’s super simple to set up. Perform a flight search above and use a valid email address to enable the Price Alert feature. That’s it!