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$44+ 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 8/13. Fares are subject to change and may not be available on all flights or dates of travel.
CHI — TYS
Aug 23 — Aug 301
Sun 8/23
Sun 8/30
1 adult, Economy
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Cheapflights Tip: The best prices from Chicago to Knoxville McGhee Tyson are usually found in June or September, booked 50 days in advance, depart on a Saturday or Thursday 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 July 24, 2026.

This Cheapflightsfares deal was found by Cheapflights users on 7/23. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/22:24 pm
MDW
-
TYS
Nonstop1h 25m
Allegiant Air
Mon 10/511:34 am
TYS
-
MDW
Nonstop1h 32m
Allegiant Air
Deal found 7/23$166
This Kiwi.com deal was found by Cheapflights users on 7/22. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/92:49 pm
MDW
-
TYS
Nonstop1h 30m
Allegiant Air
Thu 8/131:23 pm
TYS
-
MDW
Nonstop1h 36m
Allegiant Air
Deal found 7/22$189
This Kiwi.com deal was found by Cheapflights users on 7/22. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/912:26 pm
MDW
-
TYS
Nonstop1h 25m
Allegiant Air
Mon 10/1912:04 pm
TYS
-
MDW
Nonstop1h 32m
Allegiant Air
Deal found 7/22$195
This Kiwi.com deal was found by Cheapflights users on 7/22. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/188:05 am
ORD
-
TYS
1 stop24h 59m
Multiple Airlines
Mon 8/241:26 pm
TYS
-
ORD
1 stop12h 23m
Multiple Airlines
Deal found 7/22$196
This Kiwi.com deal was found by Cheapflights users on 7/22. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/132:49 pm
MDW
-
TYS
Nonstop1h 30m
Multiple Airlines
Tue 8/2510:30 am
TYS
-
MDW
2 stops13h 17m
Multiple Airlines
Deal found 7/22$204
This Kiwi.com deal was found by Cheapflights users on 7/21. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/132:49 pm
MDW
-
TYS
Nonstop1h 30m
Allegiant Air
Sun 8/163:56 pm
TYS
-
MDW
2 stops24h 03m
Allegiant Air
Deal found 7/21$206
This Kiwi.com deal was found by Cheapflights users on 7/22. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/132:49 pm
MDW
-
TYS
Nonstop1h 30m
Multiple Airlines
Thu 8/208:00 am
TYS
-
MDW
2 stops15h 47m
Multiple Airlines
Deal found 7/22$207
This Kiwi.com deal was found by Cheapflights users on 7/21. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/133:16 pm
MDW
-
TYS
Nonstop1h 30m
Allegiant Air
Sun 11/152:09 pm
TYS
-
MDW
1 stop23h 09m
Allegiant Air
Deal found 7/21$210
This Kiwi.com deal was found by Cheapflights users on 7/20. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/191:26 pm
MDW
-
TYS
Nonstop1h 25m
Allegiant Air
Sat 10/241:52 pm
TYS
-
MDW
1 stop20h 56m
Allegiant Air
Deal found 7/20$211
This Trip.com deal was found by Cheapflights users on 7/20. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/232:48 pm
MDW
-
TYS
Nonstop1h 30m
Allegiant Air
Thu 8/61:23 pm
TYS
-
MDW
Nonstop1h 36m
Allegiant Air
Deal found 7/20$213
This Kiwi.com deal was found by Cheapflights users on 7/22. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/188:05 am
ORD
-
TYS
1 stop24h 59m
Multiple Airlines
Tue 8/2510:30 am
TYS
-
ORD
1 stop13h 38m
Multiple Airlines
Deal found 7/22$214
This Kiwi.com deal was found by Cheapflights users on 7/22. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/132:49 pm
MDW
-
TYS
Nonstop1h 30m
Multiple Airlines
Wed 8/2610:54 am
TYS
-
MDW
2 stops12h 53m
Multiple Airlines
Deal found 7/22$221

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 July 24, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$166
(Cheapflightsfares)

One-way from

$44
(Super.com)

Popular in

March

Cheapest in

June

Average price

$262

Good round-trip deal

$106 or less

Good one-way deal

$62 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. 11% potential increase in price ($36 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($6 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2026
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 July 24, 2026.
Use the filters below to find and compare flights from Chicago to Knoxville that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

ChicagoKnoxville

MDW - TYS

MDWTYS

Chicago Midway

Tue 9/22

6:00 am-2:20 pm

1 stop7h 20m

Knoxville McGhee Tyson

Thu 9/24

4:50 pm-11:45 pm

1 stop7h 55m

$237
Quickest round-trip

ChicagoKnoxville

ORD - TYS

ORDTYS

Chicago O'Hare Intl

Thu 8/13

2:10 pm-4:58 pm

Nonstop1h 48m

Knoxville McGhee Tyson

Sun 8/16

7:00 am-7:56 am

Nonstop1h 56m

$249

ChicagoKnoxville

ORD - TYS

ORDTYS

Chicago O'Hare Intl

Fri 10/2

6:59 am-9:45 am

Nonstop1h 46m

Knoxville McGhee Tyson

Wed 10/7

10:42 am-11:40 am

Nonstop1h 58m

$259

ChicagoKnoxville

MDW - TYS

MDWTYS

Chicago Midway

Fri 10/2

5:00 am-1:10 pm

1 stop7h 10m

Knoxville McGhee Tyson

Wed 10/7

1:00 pm-6:35 pm

1 stop6h 35m

$261

ChicagoKnoxville

MDW - TYS

MDWTYS

Chicago Midway

Sun 9/13

9:30 am-5:15 pm

1 stop6h 45m

Knoxville McGhee Tyson

Thu 9/17

5:45 pm-8:10 pm

1 stop3h 25m

$263

ChicagoKnoxville

MDW - TYS

MDWTYS

Chicago Midway

Fri 8/28

9:20 am-7:55 pm

2 stops9h 35m

Knoxville McGhee Tyson

Mon 8/31

8:25 am-2:55 pm

2 stops7h 30m

$264

ChicagoKnoxville

ORD - TYS

ORDTYS

Chicago O'Hare Intl

Sat 9/26

5:30 am-12:58 pm

1 stop6h 28m

Knoxville McGhee Tyson

Sun 9/27

12:05 pm-4:37 pm

1 stop5h 32m

$269

ChicagoKnoxville

ORD - TYS

ORDTYS

Chicago O'Hare Intl

Thu 9/10

8:05 am-2:40 pm

1 stop5h 35m

Knoxville McGhee Tyson

Mon 9/14

4:40 pm-8:56 pm

1 stop5h 16m

$269

ChicagoKnoxville

ORD - TYS

ORDTYS

Chicago O'Hare Intl

Wed 8/12

10:33 am-3:30 pm

1 stop3h 57m

Knoxville McGhee Tyson

Sat 8/15

1:17 pm-4:51 pm

1 stop4h 34m

$269

ChicagoKnoxville

ORD - TYS

ORDTYS

Chicago O'Hare Intl

Fri 9/18

1:51 pm-6:40 pm

1 stop3h 49m

Knoxville McGhee Tyson

Sun 9/20

5:40 am-8:36 am

1 stop3h 56m

$269

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/21

Showing 1-10 of 41 resultsSorted by cheapest first
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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 July.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
Justfly.comPrice 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 FlightHub the most. FlightHub 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

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 $257). Flying from Chicago to Knoxville in May is currently the most expensive (average of $339). 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 July 24, 2026.

Unlike in the afternoon, when flights are generally more expensive, you can save up to 13% on flights from Chicago to Knoxville by exploring options for tickets in the evening.

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 July 24, 2026.

The most flights from CHI to TYS are scheduled on a Thursday (31 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (14 on average).

How much does it cost to fly round-trip from Chicago to Knoxville?

Airfare is below average for this route at the moment.
Chicago to Knoxville flights typically cost between $187 and $350 in October.
The cheapest round-trip price found within the last 5 days was $166 on Allegiant Air (Oct 2-Oct 5).

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

Booking 76 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 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 July 18, 2026.

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 mornings 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 July 24, 2026.
Read through reviews of airlines operating flights from Chicago to Knoxville, such as United Airlines,Allegiant Air, andAmerican Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
10,026 reviews

Crew

8.1

Overall

7.4

Food

6.6

Entertainment

7.1

Boarding

7.7

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

IAD - TYS

It was a short flight on a small express plane, so no time for amenities. Quickly on, quickly off. No complaints.
United Airlines
7.4
Good
10,026 reviews
United Airlines
7.4
Good
10,026 reviews

Crew

8.1

Overall

7.4

Food

6.6

Entertainment

7.1

Boarding

7.7

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

IAD - TYS

It was a short flight on a small express plane, so no time for amenities. Quickly on, quickly off. No complaints.
Allegiant Air
7.3
Good
682 reviews
United Airlines
7.4
Good
10,026 reviews

Crew

8.1

Overall

7.4

Food

6.6

Entertainment

7.1

Boarding

7.7

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

IAD - TYS

It was a short flight on a small express plane, so no time for amenities. Quickly on, quickly off. No complaints.
American Airlines
7.1
Good
11,842 reviews
United Airlines
7.4
Good
10,026 reviews

Crew

8.1

Overall

7.4

Food

6.6

Entertainment

7.1

Boarding

7.7

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

IAD - TYS

It was a short flight on a small express plane, so no time for amenities. Quickly on, quickly off. No complaints.

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 24 daily inbound flights from Chicago from 3 different airlines.

  • How long is the flight from Chicago to Knoxville?

    Southwest, United Airlines, and Delta can get you from Chicago to Knoxville in just under 1h 48m. Your travel time can differ by up to 5h 32m. 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 American Airlines and United Airlines, starting at $188 and $189 round-trip. Allegiant Air is priced at 73% 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 $51. American Airlines flights start at $128 while deals on United Airlines start at $138 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 (81%), Emirates (80%) or United Airlines (76%) 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 $383, our data shows the cheapest flight currently is $243. When looking at the most popular route, (Chicago O'Hare Intl - Knoxville McGhee Tyson), you can expect to pay $249 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 $257). Flying from Chicago to Knoxville in May is currently the most expensive (average of $339). 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
Morristown
Bryson City
Murphy
Alcoa

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Top 3 airlines flying from Chicago to Knoxville

Discover the top 3 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 July 24, 2026.
AirlineCheapestAverageFlexibilityOn-time
Allegiant AirCheapest$75Average$149FlexibilityNo cancel feeOn-time88%
American AirlinesCheapest$188Average$355FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$189Average$325FlexibilityNo cancel feeOn-time69%

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