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$48+ Cheap flights from Knoxville (TYS) to Illinois

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 11/8. Fares are subject to change and may not be available on all flights or dates of travel.
TYS — ORD
Oct 28 — Nov 41
Mon 10/28
Mon 11/4
1 adult, Economy
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TYS - ORD
Oct 28 - Nov 4

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Find flight deals from Knoxville to Illinois

Cheapest flights from Knoxville to Illinois
Explore the most affordable flight options available from Knoxville to Illinois. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 23, 2024.

This Mytrip deal was found by Cheapflights users on 10/22. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/158:15 pmTYS - STL
1 stop28h 10mFrontier
Sun 11/174:17 pmSTL - TYS
1 stop28h 18mFrontier
Deal found 10/22$153
This United Airlines deal was found by Cheapflights users on 10/23. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/165:43 pmTYS - ORD
Nonstop2h 09mUnited Airlines
Mon 11/187:20 amORD - TYS
Nonstop1h 48mUnited Airlines
Deal found 10/23$159
This American Airlines deal was found by Cheapflights users on 10/23. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/71:15 pmTYS - ORD
Nonstop1h 55mAmerican Airlines
Sat 12/148:23 amORD - TYS
Nonstop1h 46mAmerican Airlines
Deal found 10/23$160
This Delta deal was found by Cheapflights users on 10/23. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/161:57 pmTYS - ORD
1 stop7h 27mDelta
Mon 11/187:05 amORD - TYS
1 stop3h 38mDelta
Deal found 10/23$178
This Mytrip deal was found by Cheapflights users on 10/22. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/307:30 pmTYS - MDW
1 stop24h 22mMultiple Airlines
Fri 11/18:13 pmMDW - TYS
Nonstop1h 25mMultiple Airlines
Deal found 10/22$195
This Cheapflightsfares deal was found by Cheapflights users on 10/22. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/17:31 pmTYS - ORD
1 stop6h 27mFrontier
Fri 11/1511:32 amORD - TYS
1 stop6h 51mFrontier
Deal found 10/22$196
This CheapOair deal was found by Cheapflights users on 10/22. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/17:31 pmTYS - MDW
1 stop20h 53mFrontier
Fri 11/156:00 amMDW - TYS
1 stop12h 23mFrontier
Deal found 10/22$208
This Delta deal was found by Cheapflights users on 10/22. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/145:30 amTYS - MDW
1 stop5h 02mDelta
Mon 11/186:00 amMDW - TYS
1 stop3h 56mDelta
Deal found 10/22$213
This Cheapflightsfares deal was found by Cheapflights users on 10/22. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/251:50 pmTYS - MDW
Nonstop1h 34mAllegiant Air
Sun 12/112:36 pmMDW - TYS
Nonstop1h 27mAllegiant Air
Deal found 10/22$219
This United Airlines deal was found by Cheapflights users on 10/23. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/227:00 amTYS - PIA
1 stop4h 18mUnited Airlines
Thu 11/2810:55 amPIA - TYS
1 stop5h 05mUnited Airlines
Deal found 10/23$228
This Delta deal was found by Cheapflights users on 10/22. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/147:59 pmTYS - STL
1 stop4h 42mDelta
Sun 11/172:00 pmSTL - TYS
1 stop6h 36mDelta
Deal found 10/22$228
This Mytrip deal was found by Cheapflights users on 10/22. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/151:50 pmTYS - STL
2 stops22h 40mMultiple Airlines
Sun 11/1712:15 pmSTL - TYS
2 stops28h 26mMultiple Airlines
Deal found 10/22$260

Find flights from Knoxville to Illinois within your budget

Customize your flight search to find flights from Knoxville to Illinois 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 2,464,459 searches. Data last updated October 23, 2024.

Fly from

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Fly to

Any airport

Budget

$88 - $260

Route

Depart

Return

Price

Knoxville McGhee TysonChicago Midway

TYS - MDW

TYSMDW

Knoxville McGhee Tyson

Fri 11/8

Nonstop1h 33m

Chicago Midway

Mon 11/18

Nonstop1h 27m

$88

Knoxville McGhee TysonChicago Midway

TYS - MDW

TYSMDW

Knoxville McGhee Tyson

Fri 11/8

Nonstop1h 33m

Chicago Midway

Mon 11/18

1 stop14h 30m

$102

Knoxville McGhee TysonChicago Midway

TYS - MDW

TYSMDW

Knoxville McGhee Tyson

Wed 11/13

1 stop17h 43m

Chicago Midway

Wed 11/20

1 stop7h 44m

$118

Knoxville McGhee TysonChicago O'Hare Intl

TYS - ORD

TYSORD

Knoxville McGhee Tyson

Fri 11/8

1 stop27h 57m

Chicago O'Hare Intl

Mon 11/18

1 stop9h 38m

$128

Knoxville McGhee TysonLambert-St Louis

TYS - STL

TYSSTL

Knoxville McGhee Tyson

Fri 11/15

1 stop28h 10m

Lambert-St Louis

Sun 11/17

1 stop28h 18m

$153

Knoxville McGhee TysonChicago O'Hare Intl

TYS - ORD

TYSORD

Knoxville McGhee Tyson

Sat 11/16

Nonstop2h 02m

Chicago O'Hare Intl

Mon 11/18

Nonstop1h 52m

$159

Knoxville McGhee TysonChicago O'Hare Intl

TYS - ORD

TYSORD

Knoxville McGhee Tyson

Tue 11/12

Nonstop2h 01m

Chicago O'Hare Intl

Thu 11/14

1 stop5h 03m

$169

Knoxville McGhee TysonChicago O'Hare Intl

TYS - ORD

TYSORD

Knoxville McGhee Tyson

Wed 1/22

1 stop6h 01m

Chicago O'Hare Intl

Sun 1/26

1 stop7h 00m

$193

Knoxville McGhee TysonChicago Midway

TYS - MDW

TYSMDW

Knoxville McGhee Tyson

Thu 11/14

1 stop5h 39m

Chicago Midway

Sat 11/16

1 stop3h 41m

$198

Knoxville McGhee TysonGreater Peoria

TYS - PIA

TYSPIA

Knoxville McGhee Tyson

Fri 11/22

1 stop6h 19m

Greater Peoria

Thu 11/28

1 stop7h 58m

$228

Knoxville McGhee TysonLambert-St Louis

TYS - STL

TYSSTL

Knoxville McGhee Tyson

Thu 11/14

1 stop5h 16m

Lambert-St Louis

Sun 11/17

1 stop4h 35m

$228

Knoxville McGhee TysonLambert-St Louis

TYS - STL

TYSSTL

Knoxville McGhee Tyson

Fri 11/15

2 stops22h 40m

Lambert-St Louis

Sun 11/17

2 stops28h 26m

$260

Flights are sorted by cheapest first

Deals found on 10/22

Best time to book a flight from Knoxville to Illinois

Have a flexible travel schedule? Discover the best time to fly to Illinois from Knoxville 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.

Travel insights for flights from Knoxville to Illinois

Get recent, data-driven insights about flights from Knoxville to Illinois including ideal travel times, pricing trends, and more.

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

Currently, September is the cheapest month in which you can book a flight from Knoxville to Illinois (average of $232). Flying from Knoxville to Illinois in June is currently the most expensive (average of $308). 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 TYS to IL?

Find hourly flight availability from Knoxville to Illinois. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated October 23, 2024.

When flying from Knoxville to Illinois, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Weekly flight availability from Knoxville to Illinois

Explore weekly flight availability from Knoxville to Illinois. 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 October 23, 2024.

The most flights from TYS to USIL are scheduled on a Monday (30 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (11 on average).

Rainfall in Illinois by month

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

In terms of precipitation, rainfall in Illinois ranges from 1.7 - 4.9 inches per month. August is typically the wettest month, when rainfall can reach 4.9 in. January is typically the driest time to visit Illinois when rainfall is around 1.7 in.

Temperature in Illinois by month

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

If weather is an important factor for your trip to Illinois, 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 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 23.0 F).

Reviews of airlines servicing Illinois

Get insights into the airlines that provide service to Illinois. 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 Illinois. Reviews last updated October 23, 2024.
Get a feel of what it's like to fly with Delta, American Airlines and United Airlines from Knoxville to Illinois by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
8,885 reviews

Food

7.3

Entertainment

7.9

Comfort

7.9

Crew

8.5

Boarding

8.2

Overall

8.0

Reviews

1 / 10

Overall it was good on the flight. Before the flight with checking the bag at JFK was a nightmare. It took way too long and the Delta concierge was very rude to everyone. But other than that it was fine.

Delta
8.0
Very good
8,885 reviews
Delta
8.0
Very good
8,885 reviews

Food

7.3

Entertainment

7.9

Comfort

7.9

Crew

8.5

Boarding

8.2

Overall

8.0

Reviews

1 / 10

Overall it was good on the flight. Before the flight with checking the bag at JFK was a nightmare. It took way too long and the Delta concierge was very rude to everyone. But other than that it was fine.

United Airlines
7.4
Good
9,283 reviews
Delta
8.0
Very good
8,885 reviews

Food

7.3

Entertainment

7.9

Comfort

7.9

Crew

8.5

Boarding

8.2

Overall

8.0

Reviews

1 / 10

Overall it was good on the flight. Before the flight with checking the bag at JFK was a nightmare. It took way too long and the Delta concierge was very rude to everyone. But other than that it was fine.

Allegiant Air
7.4
Good
871 reviews
Delta
8.0
Very good
8,885 reviews

Food

7.3

Entertainment

7.9

Comfort

7.9

Crew

8.5

Boarding

8.2

Overall

8.0

Reviews

1 / 10

Overall it was good on the flight. Before the flight with checking the bag at JFK was a nightmare. It took way too long and the Delta concierge was very rude to everyone. But other than that it was fine.

American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
8,885 reviews

Food

7.3

Entertainment

7.9

Comfort

7.9

Crew

8.5

Boarding

8.2

Overall

8.0

Reviews

1 / 10

Overall it was good on the flight. Before the flight with checking the bag at JFK was a nightmare. It took way too long and the Delta concierge was very rude to everyone. But other than that it was fine.

Frontier
6.1
Okay
3,612 reviews
Delta
8.0
Very good
8,885 reviews

Food

7.3

Entertainment

7.9

Comfort

7.9

Crew

8.5

Boarding

8.2

Overall

8.0

Reviews

1 / 10

Overall it was good on the flight. Before the flight with checking the bag at JFK was a nightmare. It took way too long and the Delta concierge was very rude to everyone. But other than that it was fine.

Related info for your journey

Find useful and relevant information for your journey from Knoxville to Illinois. 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 from for flights from Knoxville to Illinois?

    If you book a flight to Illinois from Knoxville, you will be flying from McGhee Tyson, which is the city’s only airport. Knoxville McGhee Tyson (TYS) is located 11.3 mi from the center of Knoxville.

  • Can I find flights from Knoxville to Illinois for under $100 on Cheapflights?

    Yes, there are multiple flights from Knoxville to Illinois for under $100. The cheapest flight booked recently is on Allegiant Air for just $88, but on average you can expect to pay $244.

  • Are there nonstop flights from Knoxville to Illinois for under $100 on Cheapflights?

    Cheapflights has at least 3 direct flights from Knoxville to Illinois under $100. A good price for a nonstop flight from Knoxville to Illinois is less than $135.

  • Are there last-minute flights available from Knoxville to Illinois for under $100?

    There are currently 9+ open flights from Knoxville to Illinois within the next 7 days for less than $100.

  • What days are nonstop flights available from Knoxville to Illinois?

    Days when nonstop flights are available for this flight are: Sunday, Monday, Thursday, Friday, Saturday.

  • How many flights depart from Knoxville to Illinois on average per day?

    Per day, 14 flights depart from Knoxville to Illinois on average.
    Morning (6am - Noon) - 43% of flight departures
    Afternoon (Noon - 6pm) - 57% of flight departures

  • How long is the flight from Knoxville to Illinois?

    For as low as $88, Allegiant Air can have you in Illinois from Knoxville in 1h 33m. The distance between Knoxville and Illinois is about 477 mi. Both multi-stop and nonstop flights can be found to your destination and back.

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

    The cheapest airline one-way is Allegiant Air, with whom users have recently found tickets for as low as $48. However, be on the lookout for offers from Frontier and American Airlines, as they are both options that can get you from Knoxville to Illinois for a low price.

  • What are the most popular routes from Knoxville to Illinois?

    When deciding which route to take from Knoxville to Illinois consider Knoxville McGhee Tyson - Chicago O'Hare Intl, Knoxville McGhee Tyson - Chicago Midway or Knoxville McGhee Tyson - Lambert-St Louis as they are the most popular.

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

    No one likes to see their flight delayed. When booking a flight from Knoxville to Illinois consider choosing Avianca (100%), Emirates (97%) or ANA (94%) as they are the most reliable in getting you off to your destination on time.

  • What are the cheapest flights from Knoxville to Illinois?

    Looking for the cheapest flight from Knoxville to Illinois? While on average our users pay $1,148, our data indicates the cheapest price to be $177. The most popular route (Knoxville McGhee Tyson - Chicago O'Hare Intl), is priced around $159.

  • What does TYS to ORD mean?

    Great question - TYS to ORD just means Knoxville McGhee Tyson Airport to Chicago O'Hare Intl Airport. Now you’ll know what these unique codes when you look for flights! This flight route has multiple associated airports, so we think it might be helpful to learn the name and codes of them as well. They are Chicago Midway Airport (MDW), Moline Quad-City Airport (MLI), Greater Peoria Airport (PIA), Bloomington-Normal Airport (BMI), Champaign University-Willard Airport (CMI).

  • Can I find deals for flights from Knoxville to Illinois that include extra baggage allowance?

    The amount of baggage you can bring on your Knoxville to Illinois flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

  • Can I find deals on flights from Knoxville to Illinois with specific airlines?

    Yes, Cheapflights allows you to browse and filter Knoxville to Illinois flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

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

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

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

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

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

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

  • Can I find deals for flights from Knoxville to Illinois that allow pets onboard?

    Many airlines flying from Knoxville to Illinois offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

  • Can I find deals on last-minute flights from Knoxville to Illinois?

    Yes, you can often find last-minute deals on Knoxville to Illinois flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

  • How recently were the Knoxville to Illinois flight deals updated?

    The Knoxville to Illinois flight deals you see on this page were last updated on 10/23.

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

    Currently, September is the cheapest month in which you can book a flight from Knoxville to Illinois (average of $232). Flying from Knoxville to Illinois in June is currently the most expensive (average of $308). 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

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Alternative routes for Knoxville to Illinois
See prices for flight routes from nearby airports that may be better suited for you.

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Top 4 airlines flying from Knoxville to Illinois

Discover the top 4 airlines that operate flights from Knoxville to Illinois. 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 2,464,459 searches. Data last updated October 23, 2024.
AirlineCheapestAverageFlexibilityOn-time
Allegiant AirCheapest$75Average$85FlexibilityNo cancel feeOn-time88%
DeltaCheapest$143Average$278FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$160Average$347FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$169Average$301FlexibilityNo cancel feeOn-time69%
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