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$49+ 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 8/4. Fares are subject to change and may not be available on all flights or dates of travel.
CHI — TYS
Jul 5 — Jul 121
Sat 7/5
Sat 7/12
1 adult, Economy
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Cheapflights Tip: The best prices from Chicago to Knoxville McGhee Tyson are usually found in August or September, booked 73 days in advance, depart on a Friday or Monday 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 June 30, 2025.

Round-trip from

$113
(Booking.com)

One-way from

$49
(Booking.com)

Popular in

December

Cheapest in

August

Average price

$268

Good round-trip deal

$82 or less

Good one-way deal

$64 or less
From Chicago (CHI) to Knoxville McGhee Tyson
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One-way flight from Chicago (CHI) to Knoxville McGhee Tyson
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Highest demand for flights based on searches. 2% potential increase in price ($8 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($6 potential savings vs. average RT price).
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Average for round-trip flights in June 2025
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Price to beat on a round-trip flight from Chicago (CHI) to Knoxville McGhee Tyson.
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Price to beat on a one-way flight from Chicago (CHI) to Knoxville McGhee Tyson.
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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 June 30, 2025.

This Booking.com deal was found by Cheapflights users on 6/27. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/253:52 pmMDW - TYS
Nonstop1h 28mAllegiant Air
Fri 8/295:27 pmTYS - MDW
Nonstop1h 33mAllegiant Air
Deal found 6/27$113
This Priceline deal was found by Cheapflights users on 6/29. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/75:40 amORD - TYS
1 stop9h 49mFrontier
Sun 8/105:25 pmTYS - ORD
1 stop8h 07mFrontier
Deal found 6/29$171
This Mytrip deal was found by Cheapflights users on 6/29. 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.
Fri 9/57:50 pmMDW - TYS
Nonstop1h 31mMultiple Airlines
Sun 9/78:26 pmTYS - MDW
1 stop20h 27mMultiple Airlines
Deal found 6/29$179
This American Airlines deal was found by Cheapflights users on 6/30. 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.
Thu 8/211:55 pmORD - TYS
Nonstop1h 41mAmerican Airlines
Sun 8/247:55 amTYS - ORD
Nonstop2h 05mAmerican Airlines
Deal found 6/30$189
This United Airlines deal was found by Cheapflights users on 6/29. 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.
Sat 7/267:50 pmORD - TYS
Nonstop1h 45mUnited Airlines
Mon 7/287:00 amTYS - ORD
Nonstop1h 57mUnited Airlines
Deal found 6/29$191
This Mytrip deal was found by Cheapflights users on 6/30. 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.
Thu 8/218:12 pmORD - TYS
1 stop13h 22mMultiple Airlines
Mon 8/251:22 pmTYS - ORD
1 stop10h 00mMultiple Airlines
Deal found 6/30$206
This Delta deal was found by Cheapflights users on 6/29. 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.
Fri 8/11:01 pmORD - TYS
1 stop6h 35mDelta
Fri 8/85:57 pmTYS - ORD
1 stop7h 12mDelta
Deal found 6/29$209
This Delta deal was found by Cheapflights users on 6/29. 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.
Tue 8/1210:31 amMDW - TYS
1 stop4h 03mDelta
Sun 8/176:14 pmTYS - MDW
1 stop4h 30mDelta
Deal found 6/29$209
This Frontier deal was found by Cheapflights users on 6/29. 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.
Mon 9/87:15 amMDW - TYS
2 stops11h 26mFrontier
Thu 9/118:26 pmTYS - MDW
2 stops17h 18mFrontier
Deal found 6/29$343

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 June 30, 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

MDW - TYS

MDWTYS

Chicago Midway

Mon 8/25

3:52 pm-6:20 pm

Nonstop1h 28m

Knoxville McGhee Tyson

Fri 8/29

5:27 pm-6:00 pm

Nonstop1h 33m

$113

ChicagoKnoxville

ORD - TYS

ORDTYS

Chicago O'Hare Intl

Thu 8/7

5:40 am-4:29 pm

1 stop9h 49m

Knoxville McGhee Tyson

Sun 8/10

5:25 pm-12:32 am

1 stop8h 07m

$171

ChicagoKnoxville

MDW - TYS

MDWTYS

Chicago Midway

Fri 9/5

7:50 pm-10:21 pm

Nonstop1h 31m

Knoxville McGhee Tyson

Sun 9/7

8:26 pm-3:53 pm

1 stop20h 27m

$179

ChicagoKnoxville

ORD - TYS

ORDTYS

Chicago O'Hare Intl

Thu 8/21

1:55 pm-4:36 pm

Nonstop1h 41m

Knoxville McGhee Tyson

Sun 8/24

7:55 am-9:00 am

Nonstop2h 05m

$189

ChicagoKnoxville

ORD - TYS

ORDTYS

Chicago O'Hare Intl

Sat 7/26

7:50 pm-10:35 pm

Nonstop1h 45m

Knoxville McGhee Tyson

Mon 7/28

7:00 am-7:57 am

Nonstop1h 57m

$191

ChicagoKnoxville

ORD - TYS

ORDTYS

Chicago O'Hare Intl

Thu 8/21

8:12 pm-10:34 am

1 stop13h 22m

Knoxville McGhee Tyson

Mon 8/25

1:22 pm-10:22 pm

1 stop10h 00m

$206

ChicagoKnoxville

ORD - TYS

ORDTYS

Chicago O'Hare Intl

Fri 8/1

1:01 pm-8:36 pm

1 stop6h 35m

Knoxville McGhee Tyson

Fri 8/8

5:57 pm-12:09 am

1 stop7h 12m

$209

ChicagoKnoxville

MDW - TYS

MDWTYS

Chicago Midway

Tue 8/12

10:31 am-3:34 pm

1 stop4h 03m

Knoxville McGhee Tyson

Sun 8/17

6:14 pm-9:44 pm

1 stop4h 30m

$209

ChicagoKnoxville

MDW - TYS

MDWTYS

Chicago Midway

Mon 9/8

7:15 am-7:41 pm

2 stops11h 26m

Knoxville McGhee Tyson

Thu 9/11

8:26 pm-12:44 pm

2 stops17h 18m

$343

ChicagoKnoxville

MDW - TYS

MDWTYS

Chicago Midway

Mon 8/4

2:46 pm-5:12 pm

Nonstop1h 26m

$49

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/27

Showing 1-10 of 16 results
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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 June 27, 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, 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 June 30, 2025.

Unlike in the morning, when flights are generally more expensive, you can save up to 11% 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. Sunday evenings 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 June 30, 2025.

The most flights from CHI to TYS are scheduled on a Monday (29 on average). You will have fewer flight options on Friday, which is when the least amount of flights are scheduled (22 on average).

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

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 June 30, 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
8.0
Very good
7,969 reviews

Overall

8.0

Comfort

7.9

Boarding

8.2

Entertainment

7.9

Crew

8.5

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,969 reviews
Delta
8.0
Very good
7,969 reviews

Overall

8.0

Comfort

7.9

Boarding

8.2

Entertainment

7.9

Crew

8.5

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,852 reviews
Delta
8.0
Very good
7,969 reviews

Overall

8.0

Comfort

7.9

Boarding

8.2

Entertainment

7.9

Crew

8.5

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,969 reviews

Overall

8.0

Comfort

7.9

Boarding

8.2

Entertainment

7.9

Crew

8.5

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Allegiant Air
7.2
Good
710 reviews
Delta
8.0
Very good
7,969 reviews

Overall

8.0

Comfort

7.9

Boarding

8.2

Entertainment

7.9

Crew

8.5

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Frontier
5.9
Fair
3,289 reviews
Delta
8.0
Very good
7,969 reviews

Overall

8.0

Comfort

7.9

Boarding

8.2

Entertainment

7.9

Crew

8.5

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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 25 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 Allegiant Air. Our recent data shows that you can find tickets from as low as $113 on this airline. Additional options worth looking into are Frontier and American Airlines, starting at $171 and $189 round-trip. Allegiant Air is priced at 58% 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. Frontier flights start at $88 while deals on American Airlines start at $179 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 (99%), Republic Airways (95%) or ANA (85%) 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 $261, our data shows the cheapest flight currently is $179. 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
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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 June 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
Allegiant AirCheapest$63Average$126FlexibilityNo cancel feeOn-time88%
American AirlinesCheapest$173Average$282FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$186Average$319FlexibilityNo cancel feeOn-time69%
DeltaCheapest$188Average$383FlexibilityNo cancel feeOn-timeN/A

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