HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Knoxville

$50+ 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 6/16. Fares are subject to change and may not be available on all flights or dates of travel.
CHI — TYS
mai 6 — mai 131
mar. 5/6
mar. 5/13
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 August or September, booked 32 days in advance, depart on a Monday or Saturday and return on a Friday

Cheap 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 mai 1, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$189
(United Airlines)

One-way from

$50
(Flightnetwork)

Popular in

December

Cheapest in

August

Average price

$283

Good round-trip deal

$93 or less

Good one-way deal

$56 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. 1% potential increase in price ($3 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($6 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in May 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

Find 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 mai 1, 2025.

This United Airlines deal was found by Cheapflights users on 4/30. 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.
ven. 5/302:00 pmORD - TYS
Nonstop1h 57mUnited Airlines
ven. 6/67:00 amTYS - ORD
Nonstop1h 57mUnited Airlines
Deal found 4/30$189
This American Airlines deal was found by Cheapflights users on 4/30. 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.
lun. 6/1610:35 amORD - TYS
Nonstop1h 47mAmerican Airlines
lun. 6/306:39 pmTYS - ORD
Nonstop1h 55mAmerican Airlines
Deal found 4/30$191
This Mytrip deal was found by Cheapflights users on 4/30. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ven. 5/308:04 pmMDW - TYS
2 stops25h 36mAllegiant Air
ven. 6/61:29 pmTYS - MDW
Nonstop1h 34mAllegiant Air
Deal found 4/30$202
This Delta deal was found by Cheapflights users on 4/30. 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.
ven. 7/252:00 pmORD - TYS
1 stop6h 16mDelta
mar. 7/292:33 pmTYS - ORD
1 stop5h 16mDelta
Deal found 4/30$209
This Delta deal was found by Cheapflights users on 4/30. 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.
jeu. 5/294:15 pmMDW - TYS
1 stop6h 36mDelta
mer. 6/187:46 amTYS - MDW
1 stop5h 43mDelta
Deal found 4/30$209
This Mytrip deal was found by Cheapflights users on 4/30. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ven. 5/3012:41 pmORD - TYS
2 stops23h 09mMultiple Airlines
lun. 6/212:45 pmTYS - ORD
2 stops21h 05mMultiple Airlines
Deal found 4/30$211
This Frontier deal was found by Cheapflights users on 4/30. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jeu. 6/56:00 amORD - TYS
1 stop9h 29mFrontier
dim. 6/85:25 pmTYS - ORD
1 stop7h 34mFrontier
Deal found 4/30$220

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 mai 1, 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

ven. 5/30

2:00 pm-4:57 pm

Nonstop1h 57m

Knoxville McGhee Tyson

ven. 6/6

7:00 am-7:57 am

Nonstop1h 57m

$189

ChicagoKnoxville

ORD - TYS

ORDTYS

Chicago O'Hare Intl

lun. 6/16

10:35 am-1:22 pm

Nonstop1h 47m

Knoxville McGhee Tyson

lun. 6/30

6:39 pm-7:34 pm

Nonstop1h 55m

$191

ChicagoKnoxville

MDW - TYS

MDWTYS

Chicago Midway

ven. 5/30

8:04 pm-10:40 pm

2 stops25h 36m

Knoxville McGhee Tyson

ven. 6/6

1:29 pm-2:03 pm

Nonstop1h 34m

$202

ChicagoKnoxville

ORD - TYS

ORDTYS

Chicago O'Hare Intl

ven. 7/25

2:00 pm-9:16 pm

1 stop6h 16m

Knoxville McGhee Tyson

mar. 7/29

2:33 pm-6:49 pm

1 stop5h 16m

$209

ChicagoKnoxville

MDW - TYS

MDWTYS

Chicago Midway

jeu. 5/29

4:15 pm-11:51 pm

1 stop6h 36m

Knoxville McGhee Tyson

mer. 6/18

7:46 am-12:29 pm

1 stop5h 43m

$209

ChicagoKnoxville

ORD - TYS

ORDTYS

Chicago O'Hare Intl

ven. 5/30

12:41 pm-12:50 pm

2 stops23h 09m

Knoxville McGhee Tyson

lun. 6/2

12:45 pm-8:50 am

2 stops21h 05m

$211

ChicagoKnoxville

ORD - TYS

ORDTYS

Chicago O'Hare Intl

jeu. 6/5

6:00 am-4:29 pm

1 stop9h 29m

Knoxville McGhee Tyson

dim. 6/8

5:25 pm-11:59 pm

1 stop7h 34m

$220

ChicagoKnoxville

MDW - TYS

MDWTYS

Chicago Midway

lun. 6/16

2:53 pm-5:18 pm

Nonstop1h 25m

$50

ChicagoKnoxville

ORD - TYS

ORDTYS

Chicago O'Hare Intl

mer. 6/4

7:37 am-7:19 pm

1 stop10h 42m

$101

ChicagoKnoxville

ORD - TYS

ORDTYS

Chicago O'Hare Intl

dim. 6/1

6:00 am-4:29 pm

1 stop9h 29m

$110

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/30

Showing 1-10 of 15 results
1
2

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 May.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*2 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
CheapTicketsDealPrice 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 FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Chicago-Knoxville flight deals on Cheapflights vs. FlightHub >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 eDreams the most. eDreams 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 April 25, 2025.

Booking 32 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, January is the cheapest month in which you can book a flight from Chicago to Knoxville (average of $296). Flying from Chicago to Knoxville in March is currently the most expensive (average of $376). 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 mai 1, 2025.

Unlike in the morning, when flights are generally more expensive, you can save up to 20% 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 16, 2024.

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

Weekly flight availability from Chicago to Knoxville

Explore weekly flight availability from Chicago to Knoxville. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated mai 1, 2025.

The most flights from CHI to TYS are scheduled on a Thursday (26 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (11 on average).

Rainfall in Knoxville by month

Plan your trip to Knoxville by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Knoxville ranges from 2.7 - 4.8 inches per month. March is typically the wettest month, when rainfall can reach 4.8 in. October is typically the driest time to visit Knoxville when rainfall is around 2.7 in.

Temperature in Knoxville by month

Plan your trip to Knoxville by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Knoxville, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 78.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 39.2 F).

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 mai 1, 2025.
See what other customers who have flown with Delta, United Airlines and Allegiant Air from Chicago to Knoxville have to say. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,934 reviews

Overall

8.0

Comfort

7.9

Boarding

8.2

Food

7.3

Crew

8.5

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Delta
8.0
Very good
7,934 reviews
Delta
8.0
Very good
7,934 reviews

Overall

8.0

Comfort

7.9

Boarding

8.2

Food

7.3

Crew

8.5

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
United Airlines
7.4
Good
8,696 reviews
Delta
8.0
Very good
7,934 reviews

Overall

8.0

Comfort

7.9

Boarding

8.2

Food

7.3

Crew

8.5

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Allegiant Air
7.3
Good
734 reviews
Delta
8.0
Very good
7,934 reviews

Overall

8.0

Comfort

7.9

Boarding

8.2

Food

7.3

Crew

8.5

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,934 reviews

Overall

8.0

Comfort

7.9

Boarding

8.2

Food

7.3

Crew

8.5

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Frontier
6.0
Okay
3,287 reviews
Delta
8.0
Very good
7,934 reviews

Overall

8.0

Comfort

7.9

Boarding

8.2

Food

7.3

Crew

8.5

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

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 18 daily inbound flights from Chicago from 4 different airlines.

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

    Our cheapest airline available from Chicago to Knoxville is United Airlines. Our recent data shows that you can find tickets from as low as $189 on this airline. Additional options worth looking into are American Airlines and Allegiant Air, starting at $191 and $202 round-trip. United Airlines is priced at 31% 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 $50. Frontier flights start at $110 while deals on American Airlines start at $120 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 GoJet (92%), Air Canada (85%) or Republic Airways (83%) 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 $371, our data shows the cheapest flight currently is $115. 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, January is the cheapest month in which you can book a flight from Chicago to Knoxville (average of $296). Flying from Chicago to Knoxville in March is currently the most expensive (average of $376). 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 Chicago?

Book flights to Chicago if you plan to visit one of these locations
Morristown
Cherokee
Corbin
Maryville
Oak Ridge
Alcoa
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
O'Hare Intl to Chattanooga flights
Midway to Knoxville flights
St. Louis to Nashville flights
Midway to Chattanooga flights
Midway to Memphis flights
Moline to Nashville flights
O'Hare Intl to Blountville flights
St. Louis to Knoxville flights
Peoria to Nashville flights
Moline to Knoxville flights
Midway to Blountville flights
St. Louis to Memphis flights
Peoria to Knoxville flights
St. Louis to Chattanooga flights
Moline to Memphis flights
Peoria to Chattanooga flights
St. Louis to Blountville flights
Bloomington to Knoxville flights
Springfield to Chattanooga flights
Peoria to Memphis flights
Springfield to Knoxville flights
Dubuque to Nashville flights
Champaign to Nashville flights
Bloomington to Chattanooga flights
Springfield to Nashville flights
Peoria to Blountville flights
Champaign to Chattanooga flights
Dubuque to Knoxville 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 mai 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
Allegiant AirCheapest$59Average$150FlexibilityNo cancel feeOn-time88%
American AirlinesCheapest$169Average$283FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$180Average$308FlexibilityNo cancel feeOn-time69%
DeltaCheapest$188Average$424FlexibilityNo 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.