Cheap flights from Tennessee (TN) to Illinois (IL)

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How to find the cheapest flight from
Tennessee to Illinois

All the information you need to plan the best null to ORD flight in 2021: compare Tennessee to Illinois flight prices with the expected peak season, weather and rainfall in Illinois.
How far in advance should I book a flight from Tennessee to Illinois?

To save up to 33% on this flight, we recommend booking at least 36 days prior to travel. The price may fluctuate and will likely increase closer to your departure date. Users on Cheapflights have found tickets from Tennessee to Illinois from $201 1-2 weeks out and tickets from $256 for flights departing within the next 72 hours.

When is the cheapest time to fly from Tennessee to Illinois (TN - IL)?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Tennessee to Illinois as you normally would.

What is the cheapest month to fly from Tennessee to Illinois?

June is one of the best times of the year to fly to Illinois from Tennessee. Prices for June average $195 per person but you can even find prices for as low as $79. The most expensive prices can be found in the month of December. Opting for a June flight can save you 42% on your journey compared to booking in June

Cheap flights from Tennessee to Illinois in November, December 2021

The best prices found for Tennessee to Illinois flights for November, December
8 Dec - 14 Dec
$97pp
TYS
Knoxville McGhee Tyson
United Airlines
Non-Stop
ORD
Chicago O'Hare Intl
ORD
Chicago O'Hare Intl
United Airlines
Non-Stop
TYS
Knoxville McGhee Tyson
15 Dec - 31 Jan
$102pp
BNA
Nashville Intl
Spirit Airlines
 
1 STOP
ORD
Chicago O'Hare Intl
ORD
Chicago O'Hare Intl
Spirit Airlines
 
1 STOP
BNA
Nashville Intl
9 Dec - 30 Dec
$104pp
TYS
Knoxville McGhee Tyson
Allegiant Air
Non-Stop
MDW
Chicago Midway
MDW
Chicago Midway
Allegiant Air
Non-Stop
TYS
Knoxville McGhee Tyson

Tennessee to Illinois 2022 flight deals

Cheap flights to Illinois from Tennessee found for next year
8 Dec - 14 Dec
$97pp
TYS
Knoxville McGhee Tyson
United Airlines
Non-Stop
ORD
Chicago O'Hare Intl
ORD
Chicago O'Hare Intl
United Airlines
Non-Stop
TYS
Knoxville McGhee Tyson
15 Dec - 31 Jan
$102pp
BNA
Nashville Intl
Spirit Airlines
 
1 STOP
ORD
Chicago O'Hare Intl
ORD
Chicago O'Hare Intl
Spirit Airlines
 
1 STOP
BNA
Nashville Intl
9 Dec - 30 Dec
$104pp
TYS
Knoxville McGhee Tyson
Allegiant Air
Non-Stop
MDW
Chicago Midway
MDW
Chicago Midway
Allegiant Air
Non-Stop
TYS
Knoxville McGhee Tyson

Non-stop flights to Illinois from Tennessee

Save time with Tennessee to Illinois direct flight deals
8 Dec - 14 Dec
$97pp
TYS
Knoxville McGhee Tyson
United Airlines
Non-Stop
ORD
Chicago O'Hare Intl
ORD
Chicago O'Hare Intl
United Airlines
Non-Stop
TYS
Knoxville McGhee Tyson
9 Dec - 30 Dec
$104pp
TYS
Knoxville McGhee Tyson
Allegiant Air
Non-Stop
MDW
Chicago Midway
MDW
Chicago Midway
Allegiant Air
Non-Stop
TYS
Knoxville McGhee Tyson
10 Jan - 17 Jan
$117pp
BNA
Nashville Intl
American Airlines
Non-Stop
ORD
Chicago O'Hare Intl
ORD
Chicago O'Hare Intl
American Airlines
Non-Stop
BNA
Nashville Intl

Last minute flights from Tennessee to Illinois

Late deals on round-trip flights to Illinois from Tennessee, departing today and this week
4 Dec - 7 Dec
$116pp
BNA
Nashville Intl
Spirit Airlines
 
1 STOP
ORD
Chicago O'Hare Intl
ORD
Chicago O'Hare Intl
Spirit Airlines
 
1 STOP
BNA
Nashville Intl
3 Dec - 4 Dec
$117pp
TYS
Knoxville McGhee Tyson
United Airlines
Non-Stop
ORD
Chicago O'Hare Intl
ORD
Chicago O'Hare Intl
United Airlines
Non-Stop
TYS
Knoxville McGhee Tyson
4 Dec - 11 Dec
$124pp
BNA
Nashville Intl
Spirit Airlines
 
1 STOP
ORD
Chicago O'Hare Intl
ORD
Chicago O'Hare Intl
Spirit Airlines
 
1 STOP
BNA
Nashville Intl

One-way flights to Illinois from Tennessee

The cheapest one-way flights from Tennessee to Illinois
1:15 pm - 3:15 pm
United Airlines
Nonstop
2h 00m
MEM - ORD
United Airlines
$64
United
11:49 am - 5:05 pm
Delta
1 Stop
5h 16m
MEM - MDW
Delta
$73
Delta
1:01 am - 1:30 am
Allegiant Air
Nonstop
1h 29m
TYS - MDW
Allegiant Air
$75
Gotogate

Related info for your journey

Useful info, stats and facts about <span class="emphasized">Tennessee</span> to <span class="emphasized">Illinois</span> flights.

Flight FAQs

From Tennessee to Illinois

Which airlines flying from Tennessee to Illinois have flexible cancellations due to COVID-19?

Some of the carriers operating flights from Tennessee to Illinois that may be offering flexible cancellation policies are American Airlines, United Airlines, and Delta. Our site will let you filter for all airlines offering greater flexibility due to COVID-19.

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

Yes, there are multiple flights from Tennessee to Illinois for under $100. The cheapest flight booked recently is on United Airlines for just $97, but on average you can expect to pay $115.

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

Cheapflights has at least 20 direct flights from Tennessee to Illinois under $100. A good price for a nonstop flight from Tennessee to Illinois is less than $149.

Are there last-minute flights available from Tennessee to Illinois for under $200?

There are currently 20+ open flights from Tennessee to Illinois within the next 7 days for less than $200.

What days are nonstop flights available from Tennessee to Illinois?

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

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

28 flight departures from Tennessee to Illinois per day on average.
Early Morning (Midnight to 6am) - 4% of flight departures
Morning (6am - Noon) - 43% of flight departures
Afternoon (Noon - 6pm) - 54% of flight departures

How long is the flight from Tennessee to Illinois?

There are many flights that can get you from Tennessee to Illinois in 1h 29m. Fly via United Airlines, Spirit Airlines, or Allegiant Air to get the fastest option. The distance between Tennessee and Illinois is about 411 mi. Both multi-stop and nonstop flights can be found to your destination and back.

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

One-way options have recently been found by users for as low as $38 on Spirit Airlines. Other airlines that offer cheap prices include Allegiant Air from $54 and American Airlines from $59 one-way.

COVID Restrictions

View COVID Travel Restrictions for Illinois (IL)

Do I need a COVID test to fly to Illinois from Tennessee?

Information is based on travel restrictions for travel to Illinois within the United States

Most visitors from Tennessee need to provide a negative COVID-19 test result and/or quarantine to enter Illinois.

COVID-19 testing requirements
Visitors from Tennessee must present a negative RT-PCR (NAAT) or Antigen (quick-test) test taken 72 hours before departing to Illinois.

Quarantine requirements
Visitors from Tennessee are not required to quarantine after entering Illinois.

Do I need a test to fly back to Tennessee from Illinois?

Returning to Tennessee from Illinois

COVID-19 testing requirements
Visitors from Illinois must present a negative RT-PCR (NAAT) or Antigen (quick-test) test taken 72 hours before departing to Tennessee.

Quarantine requirements
Visitors from Illinois are not required to quarantine after entering Tennessee.

Hide COVID Travel Restrictions for Illinois (IL)

Destination points for flights from Tennessee to Illinois

Select to see more specific information for flights from Tennessee to all places in Illinois.

Destination information for Illinois

Things to know before you go - useful duration and weather info for your trip from Tennessee to Illinois.
Flight duration from Tennessee to Illinois
1h 39m

Airports servicing

Chattanooga (CHA)
Memphis (MEM)
Jackson Mckellar Field (MKL)
Blountville (TRI)
Knoxville (TYS)

Airports servicing

Bloomington (BMI)
Champaign (CMI)
Decatur (DEC)
Moline (MLI)
Marion (MWA)

Top 6 airlines flying from Tennessee to Illinois

The chart below displays the airlines Cheapflights users traveling from Tennessee to Illinois choose most often. Cheapest and average prices are based on aggregated data from the past 12 months.
Airline Cheapest Average Flexibility On-time COVID-19 safety
Frontier
$29 $91 No cancel fee 62%
Delta
$62 $348 No cancel fee N/A
United Airlines
$68 $316 No cancel fee 69%
American Airlines
$71 $329 No cancel fee 71%
Spirit Airlines
$104 $178 No cancel fee 65%
Linear Air Taxi
$3,984 $6,413 No cancel fee N/A

We couldn't confirm the COVID-19 safety measures taken by Linear Air Taxi. Please check directly on their website for additional information.

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