HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Knoxville

$95+ Cheap flights from Chicago (CHI) to Knoxville (TYS)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/28. Fares are subject to change and may not be available on all flights or dates of travel.
CHI — TYS
ene. 15 — ene. 221
jue. 1/15
jue. 1/22
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Chicago to Knoxville with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheapflights Tip: The best prices from Chicago to Knoxville McGhee Tyson are usually found in September or June, booked 73 days in advance, depart on a Saturday or Wednesday and return on a Friday

Cheap flight deals from Chicago to Knoxville

Cheapest flights from Chicago to Knoxville
Explore the most affordable flight options available from Chicago to Knoxville. Find the lowest fares from popular airlines and budget airlines, with prices last updated on diciembre 16, 2025.

This United Airlines deal was found by Cheapflights users on 12/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 12/207:48 pmORD - TYS
Nonstop1h 51mUnited Airlines
sáb. 1/106:45 amTYS - ORD
Nonstop2h 03mUnited Airlines
Deal found 12/14$249
This American Airlines deal was found by Cheapflights users on 12/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 12/316:33 pmORD - TYS
Nonstop1h 48mAmerican Airlines
vie. 1/25:42 amTYS - ORD
1 stop5h 21mAmerican Airlines
Deal found 12/16$259
This American Airlines deal was found by Cheapflights users on 12/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 12/2511:07 amORD - TYS
1 stop6h 00mAmerican Airlines
lun. 12/295:08 pmTYS - ORD
Nonstop2h 12mAmerican Airlines
Deal found 12/15$269
This United Airlines deal was found by Cheapflights users on 12/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 12/192:07 pmORD - TYS
Nonstop1h 53mUnited Airlines
vie. 1/96:45 amTYS - ORD
Nonstop2h 03mUnited Airlines
Deal found 12/14$284
This American Airlines deal was found by Cheapflights users on 12/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 12/308:00 amORD - TYS
Nonstop1h 50mAmerican Airlines
vie. 1/25:42 amTYS - ORD
1 stop5h 21mAmerican Airlines
Deal found 12/14$289
This American Airlines deal was found by Cheapflights users on 12/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 12/166:48 pmORD - TYS
Nonstop1h 52mAmerican Airlines
mar. 12/237:48 amTYS - ORD
Nonstop2h 02mAmerican Airlines
Deal found 12/15$294
This American Airlines deal was found by Cheapflights users on 12/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 12/216:40 amORD - TYS
1 stop8h 07mAmerican Airlines
lun. 12/2910:09 amTYS - ORD
1 stop6h 56mAmerican Airlines
Deal found 12/14$299
This United Airlines deal was found by Cheapflights users on 12/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 12/257:48 pmORD - TYS
Nonstop1h 51mUnited Airlines
lun. 12/2911:00 amTYS - ORD
Nonstop1h 58mUnited Airlines
Deal found 12/15$305
This United Airlines deal was found by Cheapflights users on 12/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 12/312:07 pmORD - TYS
Nonstop1h 53mUnited Airlines
sáb. 1/36:45 amTYS - ORD
Nonstop2h 07mUnited Airlines
Deal found 12/14$306
This American Airlines deal was found by Cheapflights users on 12/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 12/163:08 pmORD - TYS
Nonstop1h 50mAmerican Airlines
sáb. 12/205:08 pmTYS - ORD
Nonstop2h 12mAmerican Airlines
Deal found 12/16$309
This Delta deal was found by Cheapflights users on 12/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 12/166:00 amMDW - TYS
1 stop6h 44mDelta
sáb. 12/206:59 pmTYS - MDW
1 stop4h 23mDelta
Deal found 12/14$314
This Delta deal was found by Cheapflights users on 12/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 12/151:14 pmMDW - TYS
1 stop5h 46mDelta
lun. 12/226:00 amTYS - MDW
1 stop4h 05mDelta
Deal found 12/14$349

Find flight deals from Chicago to Knoxville

Discover tips and strategies to find the most affordable flight options for your journey from Chicago (CHI) to Knoxville (TYS). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated diciembre 16, 2025.

Most accurate provider

Justfly.com
3 stars

Most trusted provider

Justfly.com
3 stars

Round-trip from

$170
(Kiwi.com)

One-way from

$95
(Mytrip)

Popular in

December

Cheapest in

September

Average price

$355

Good round-trip deal

$138 or less

Good one-way deal

$84 or less
Provider with most accurate pricing for Chicago (CHI)-Knoxville McGhee Tyson flight deals.
Search Deals
Provider most trusted by Cheapflights users for Chicago (CHI)-Knoxville McGhee Tyson flights.
Search Deals
From Chicago (CHI) to Knoxville McGhee Tyson
Search Deals
One-way flight from Chicago (CHI) to Knoxville McGhee Tyson
Search Deals
Highest demand for flights based on searches. 6% potential increase in price ($18 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($8 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals
Price to beat on a round-trip flight from Chicago (CHI) to Knoxville McGhee Tyson.
Search Deals
Price to beat on a one-way flight from Chicago (CHI) to Knoxville McGhee Tyson.
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Chicago to Knoxville that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated diciembre 16, 2025.
Use the filters below to find and compare flights from Chicago to Knoxville that are best for you.

Fly from

Chicago

Fly to

Knoxville

Route

Depart

Return

Price

ChicagoKnoxville

ORD - TYS

ORDTYS

Chicago O'Hare Intl

vie. 1/30

6:10 pm-8:52 pm

Nonstop1h 42m

Knoxville McGhee Tyson

lun. 2/2

6:45 am-7:48 am

Nonstop2h 03m

$189

ChicagoKnoxville

ORD - TYS

ORDTYS

Chicago O'Hare Intl

mar. 1/6

6:10 pm-8:52 pm

Nonstop1h 42m

Knoxville McGhee Tyson

mar. 1/13

11:10 am-12:05 pm

Nonstop1h 55m

$189

ChicagoKnoxville

ORD - TYS

ORDTYS

Chicago O'Hare Intl

vie. 1/16

6:10 pm-8:52 pm

Nonstop1h 42m

Knoxville McGhee Tyson

sáb. 1/17

1:59 pm-2:55 pm

Nonstop1h 56m

$189

ChicagoKnoxville

ORD - TYS

ORDTYS

Chicago O'Hare Intl

mié. 1/21

10:35 am-1:24 pm

Nonstop1h 49m

Knoxville McGhee Tyson

dom. 1/25

6:45 am-7:48 am

Nonstop2h 03m

$189

ChicagoKnoxville

ORD - TYS

ORDTYS

Chicago O'Hare Intl

mar. 1/13

6:10 pm-8:52 pm

Nonstop1h 42m

Knoxville McGhee Tyson

mar. 1/20

11:10 am-12:05 pm

Nonstop1h 55m

$189

ChicagoKnoxville

ORD - TYS

ORDTYS

Chicago O'Hare Intl

vie. 1/9

6:10 pm-8:52 pm

Nonstop1h 42m

Knoxville McGhee Tyson

dom. 1/11

6:45 am-7:48 am

Nonstop2h 03m

$189

ChicagoKnoxville

ORD - TYS

ORDTYS

Chicago O'Hare Intl

sáb. 1/31

10:35 am-1:24 pm

Nonstop1h 49m

Knoxville McGhee Tyson

dom. 2/1

6:45 am-7:48 am

Nonstop2h 03m

$189

ChicagoKnoxville

ORD - TYS

ORDTYS

Chicago O'Hare Intl

sáb. 2/14

6:15 pm-8:57 pm

Nonstop1h 42m

Knoxville McGhee Tyson

sáb. 2/21

1:55 pm-2:59 pm

Nonstop2h 04m

$189

ChicagoKnoxville

ORD - TYS

ORDTYS

Chicago O'Hare Intl

sáb. 1/31

6:50 am-12:13 pm

1 stop4h 23m

Knoxville McGhee Tyson

vie. 2/6

4:06 pm-9:00 pm

1 stop5h 54m

$209

ChicagoKnoxville

ORD - TYS

ORDTYS

Chicago O'Hare Intl

vie. 2/6

8:43 pm-11:09 am

1 stop13h 26m

Knoxville McGhee Tyson

sáb. 2/7

5:59 pm-11:46 pm

1 stop6h 47m

$209

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/14

Showing 1-10 of 37 results
1
2
3
4

Compare providers for flights from Chicago to Knoxville

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Chicago to Knoxville in December.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars
Justfly.comPrice Accuracy3 starsTrust Score*3 stars
MytripPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Chicago-Knoxville flights, users find the pricing of Justfly.com to be most consistent on Cheapflights vs. Justfly.com Users can find the same prices on Chicago-Knoxville flight deals on Cheapflights vs. Justfly.com >95% of the time. Price accuracy is based on data collected from Chicago-Knoxville flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Chicago-Knoxville flights, Cheapflights users trust Justfly.com the most. Justfly.com has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Chicago-Knoxville flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Chicago to Knoxville

Have a flexible travel schedule? Discover the best time to fly to Knoxville from Chicago with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Chicago to Knoxville

How far ahead should I book a flight from Chicago to Knoxville?

Use this chart to determine the optimal time to book a round-trip flight from Chicago to Knoxville. Price data was last updated on December 12, 2025.

Booking 73 days in advance of your planned departure date is, on average, the best time to get cheap flights from Chicago to Knoxville. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest month to book a flight from Chicago to Knoxville?

Currently, June is the cheapest month in which you can book a flight from Chicago to Knoxville (average of $62). Flying from Chicago to Knoxville in December is currently the most expensive (average of $196). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from CHI to TYS?

Find hourly flight availability from Chicago to Knoxville. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated diciembre 16, 2025.

Unlike in the morning, when flights are generally more expensive, you can save up to 43% on flights from Chicago to Knoxville by exploring options for tickets in the evening.

What is the cheapest day to fly from Chicago to Knoxville?

Use this chart to determine the cheapest time to fly round-trip from Chicago to Knoxville. Price data was last updated on December 13, 2025.

Travelers seeking maximum savings on their Chicago to Knoxville flight should consider departing on Thursday afternoons when fares are most often at their lowest. Sunday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

Reviews of airlines servicing Knoxville

Get insights into the airlines that provide service to Knoxville. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Knoxville. Reviews last updated diciembre 16, 2025.
Read through reviews of airlines operating flights from Chicago to Knoxville, such as Delta, United Airlines, and American Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
8,010 reviews

Food

7.3

Crew

8.5

Boarding

8.1

Entertainment

7.9

Overall

7.9

Comfort

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Delta
7.9
Good
8,010 reviews
Delta
7.9
Good
8,010 reviews

Food

7.3

Crew

8.5

Boarding

8.1

Entertainment

7.9

Overall

7.9

Comfort

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
United Airlines
7.4
Good
9,094 reviews
Delta
7.9
Good
8,010 reviews

Food

7.3

Crew

8.5

Boarding

8.1

Entertainment

7.9

Overall

7.9

Comfort

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
American Airlines
7.2
Good
11,048 reviews
Delta
7.9
Good
8,010 reviews

Food

7.3

Crew

8.5

Boarding

8.1

Entertainment

7.9

Overall

7.9

Comfort

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Allegiant Air
7.2
Good
700 reviews
Delta
7.9
Good
8,010 reviews

Food

7.3

Crew

8.5

Boarding

8.1

Entertainment

7.9

Overall

7.9

Comfort

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Related info for your journey

Find useful and relevant information for your journey from Chicago to Knoxville. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Knoxville from Chicago?

    Located just 11.3 mi from the city center, Knoxville McGhee Tyson is the airport most travelers will use when flying to Knoxville from Chicago. Booking flights from Chicago to McGhee Tyson (TYS) should be relatively easy as there are 10 daily inbound flights from Chicago from 4 different airlines.

  • How long is the flight from Chicago to Knoxville?

    United Airlines and Delta can get you from Chicago to Knoxville in just under 1h 42m. Your travel time can differ by up to 4h 23m. Airlines will cover a distance of 475 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the cheapest airlines flying from Chicago to Knoxville round-trip?

    Our cheapest airline available from Chicago to Knoxville is Allegiant Air. Our recent data shows that you can find tickets from as low as $75 on this airline. Additional options worth looking into are Delta and American Airlines, starting at $138 and $189 round-trip. Allegiant Air is priced at 72% lower than the current average price of a flight leaving 3 months from now.

  • What are the cheapest airlines to fly from Chicago to Knoxville one-way?

    To fly one-way, consider booking your trip with Allegiant Air, which is currently one of the cheapest options available, starting at $49. American Airlines flights start at $128 while deals on United Airlines start at $128 one-way.

  • What are the most reliable airlines from Chicago to Knoxville?

    No one likes to see their flight delayed. When booking a flight from Chicago to Knoxville consider choosing Republic Airways (100%), Envoy Air (94%) or British Airways (63%) as they are the most reliable in getting you off to your destination on time.

  • What are the cheapest flights from Chicago to Knoxville?

    While on average a flight from Chicago to Knoxville is generally $303, our data shows the cheapest flight currently is $128. When looking at the most popular route, (Chicago O'Hare Intl - Knoxville McGhee Tyson), you can expect to pay $189 for that flight.

  • Can I find deals for flights from Chicago to Knoxville that include hotel bookings?

    Yes. In addition to deals on Chicago to Knoxville flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Chicago to Knoxville?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Chicago to Knoxville.

  • Can I find deals for business class flights from Chicago to Knoxville?

    Yes. Cheapflights offers flight deals from Chicago to Knoxville by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Chicago to Knoxville?

    Currently, June is the cheapest month in which you can book a flight from Chicago to Knoxville (average of $62). Flying from Chicago to Knoxville in December is currently the most expensive (average of $196). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Knoxville?

Book flights to Knoxville if you plan to visit one of these locations
Cherokee
Crossville
Corbin
Morristown
Bryson City
Alcoa
Oak Ridge
Murphy

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Chicago to Knoxville

See prices for flight routes from nearby airports that may be better suited for you.
O'Hare Intl to Nashville flights
O'Hare Intl to Knoxville flights
O'Hare Intl to Memphis flights
Midway to Nashville flights
Midway to Memphis flights
Midway to Knoxville flights
O'Hare Intl to Chattanooga flights
St. Louis to Nashville flights
Peoria to Nashville flights
St. Louis to Knoxville flights
Moline to Nashville flights
O'Hare Intl to Blountville flights
Midway to Chattanooga flights
St. Louis to Memphis flights
Peoria to Knoxville flights
Peoria to Memphis flights
St. Louis to Chattanooga flights
Peoria to Chattanooga flights
Midway to Blountville flights
Moline to Knoxville flights
Moline to Memphis flights
Champaign to Nashville flights
Springfield to Nashville flights
Springfield to Knoxville flights
Champaign to Chattanooga flights
Springfield to Chattanooga flights
Bloomington to Knoxville flights
St. Louis to Blountville flights
Bloomington to Chattanooga flights
Dubuque to Nashville flights
Dubuque to Knoxville flights
Peoria to Blountville flights

Top 4 airlines flying from Chicago to Knoxville

Discover the top 4 airlines that operate flights from Chicago to Knoxville. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated diciembre 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
Allegiant AirCheapest$82Average$118FlexibilityNo cancel feeOn-time88%
American AirlinesCheapest$189Average$302FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$193Average$330FlexibilityNo cancel feeOn-time69%
DeltaCheapest$208Average$318FlexibilityNo cancel feeOn-timeN/A

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.