Cheap flights from Chicago to Knoxville from $49
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Chicago to Knoxville departing on 7/14. 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 Chicago to Knoxville
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Allegiant Air flights from Chicago to Knoxville
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How to get the cheapest flight ticket from Chicago to Knoxville
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 typical price of a round-trip flight between Chicago and Knoxville?
What is the cheapest month to fly to Knoxville?
The month of August is, on average, the cheapest month to fly to Knoxville from Chicago, with most prices found around $209. If you aren’t able to travel during the month of August, then book flights to Knoxville from Chicago during September instead. Flights to Knoxville in September, while not as cheap as those in August, still average around $222.
What is the cheapest day to depart on your flight to Knoxville?
The cheapest day to depart from Chicago to Knoxville is on a Saturday. Travelers who choose to depart for Knoxville on a Saturday will often find tickets for as low as $254. When flying out on a Sunday, the most expensive travel day of the week, you can expect to see flight prices from Chicago to Knoxville for around $312.
What is the cheapest time of day to depart on your flight to Knoxville?
In the evening is the cheapest time of day to fly from Chicago to Knoxville when you can find flight prices for as low as $252. Flying to Knoxville in the evening is an ideal time because this is during off-peak travel hours. In contrast, the most expensive time of day to depart to Knoxville is in the morning when prices are around $290.
What is the cheapest Chicago to Knoxville McGhee Tyson flight route?
Fly from Chicago Midway to Knoxville McGhee Tyson for the best Chicago - Knoxville McGhee Tyson flight prices
How far in advance should I book a flight to Knoxville?
You are more likely to see cheaper flights to Knoxville from Chicago when booking 24 weeks ahead of your departure date. In general, you can expect to find flights to Knoxville for around $292 when searching 24 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Knoxville from Chicago for as low as $242 on momondo.
What cabin class options are available on Chicago to Knoxville McGhee Tyson flights?
There are 3 cabin classes available to choose from on Chicago to Knoxville McGhee Tyson 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 Chicago to Knoxville flights?
No. A direct flight is the cheapest option for a flight between Chicago to Knoxville.
How have Chicago to Knoxville flight prices changed over time?
As of June 2025, prices for Chicago to Knoxville flights are approximately 64% more expensive when compared to flights at the same time last year.
What is the cheapest airline that flies from Chicago to Knoxville McGhee Tyson?
Allegiant Air, Frontier, and American Airlines are the most popular carriers operating from Chicago to Knoxville McGhee Tyson
What airlines fly to Knoxville?
American Airlines, United Airlines and Allegiant Air are the top three most popular airlines that fly to Knoxville from Chicago according to our data. American Airlines is the first choice among our users, with 46% of people opting to fly with this airline when traveling to Knoxville. Keep in mind that there are 4 different airlines that fly to Knoxville on a routine basis, so you have a few additional options to choose from.
How many flights depart from Chicago to Knoxville on average per day?
26 flights are operational daily from Chicago to Knoxville as of June 2025. The most popular departure time for this route is 6:00PM, with 45% of flights per day taking off in the evening.
How many flights depart from Chicago to Knoxville on average per week?
The number of flights available between Chicago and Knoxville is 182 per week as of June 2025. The most frequent departure day is Mon, with 16% of weekly flights leaving on this day.
When to book flights from Chicago to Knoxville
Cheap Chicago to Knoxville (CHI to TYS) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Chicago to Knoxville
How far is Chicago to Knoxville McGhee Tyson by plane?
There are 454.2 mi between Chicago and Knoxville McGhee Tyson. 1h 24m is a normal flight duration for this route.
When did momondo last update prices for flights from Chicago to Knoxville McGhee Tyson Airport?
Prices for flights from Chicago to Knoxville McGhee Tyson Airport are refreshed on a daily basis.
How many operators does momondo search for flights from Chicago to Knoxville McGhee Tyson Airport?
As of June 2025, there are 4 operators available to choose from for flights from Chicago to Knoxville McGhee Tyson Airport.
How old do you have to be to fly from Chicago to Knoxville McGhee Tyson Airport?
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 Chicago to Knoxville McGhee Tyson Airport.
What documentation or ID do you need to fly to Knoxville McGhee Tyson Airport?
The required travel and health documents for your Knoxville McGhee Tyson Airport 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 Knoxville McGhee Tyson Airport. 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 Chicago to Knoxville?
Based on momondo bookings for flights between Chicago and Knoxville, the leading plane model is Canadair (Bombardier) Regional Jet CRJ-550, making up 20.40% of the total bookings. Other popular models include Embraer 175 (Enhanced Winglets) with 19.04%, Embraer ERJ-145 with 11.44%, and Canadair (Bombardier) Regional Jet 700 with 10.20%.
What is the most popular airline from Chicago to Knoxville?
Based on momondo bookings for flights between Chicago and Knoxville, the leading airline is American Airlines, making up 46% of the total bookings. Other popular airlines include United Airlines with 36%, Allegiant Air with 16%, and Delta with 1%.
Best airlines flying from Chicago to Knoxville
Compare and see reviews for airlines that fly from Chicago to Knoxville with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $63 | Free Cancellation | Rating 7.3 722 reviews | |||
| PriceFrom $169 | Free Cancellation | Rating 7.2 10,000 reviews | |||
| PriceFrom $184 | Free Cancellation | Rating 7.4 8,801 reviews | |||
| PriceFrom $188 | Free Cancellation | Rating 8.0 7,963 reviews |
United Airlines Flights From Chicago to Knoxville
United Airlines flies from Chicago to Knoxville around 25 times per week, with 8,801 momondo users rating the airline 7.4/10. The cheapest United Airlines deal from Chicago to Knoxville in the last 72 hours was $184 (round-trip), much lower than the average airfare cost of $315 for United Airlines flights on this route.
Allegiant Air Flights From Chicago to Knoxville
The best Allegiant Air deal for Chicago to Knoxville flight tickets found on momondo in the last 72 hours was $63, round-trip. It should be noted that an average Allegiant Air flight deal for this route in this time was higher, at $126 round-trip. Allegiant Air operates 2 flights out of Chicago into Knoxville in an average week, so prices vary by time and availability. 722 Allegiant Air reviews by users on momondo have scored the airline at 7.3/10.
Traveling to a place near Knoxville?
Book flights to Knoxville if you plan to visit one of these locationsWhy use momondo?
Why should I use momondo to find a flight deal from Chicago to Knoxville?
momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Chicago to Knoxville. Millions of users trust and use momondo every year so you are in good hands.
Can I find flights from Chicago to Knoxville with flexible booking policies on momondo?
Yes. momondo enables you to select and highlight flights to Knoxville from Chicago with this policy.
How can momondo help me find flights from Chicago to Knoxville?
momondo provides multiple filters to help you find the best flight to Knoxville from Chicago. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.
I’m not ready to book a flight from Chicago to Knoxville right now. Can momondo alert me if prices change?
Yes momondo offers price alerts on flights to Knoxville from Chicago. 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.