
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $93 (Cheapflightsfares) |
One-way from | $45 (Kiwi.com) |
Popular in | March |
Cheapest in | January |
Average price | $249 |
Good round-trip deal | $113 or less |
Good one-way deal | $80 or less |
Fly from
Fly to
Route
Depart
Return
KnoxvilleChicago
TYS - ORD
TYSORD
Knoxville McGhee Tyson
Fri 8/14
6:02 pm-7:00 pm
Nonstop1h 58m
Chicago O'Hare Intl
Mon 8/17
2:10 pm-4:58 pm
Nonstop1h 48m
KnoxvilleChicago
TYS - ORD
TYSORD
Knoxville McGhee Tyson
Fri 6/19
6:00 am-6:59 am
Nonstop1h 59m
Chicago O'Hare Intl
Sun 6/28
7:45 pm-10:34 pm
Nonstop1h 49m
KnoxvilleChicago
TYS - ORD
TYSORD
Knoxville McGhee Tyson
Sat 6/13
6:00 am-6:59 am
Nonstop1h 59m
Chicago O'Hare Intl
Tue 6/16
6:07 pm-8:56 pm
Nonstop1h 49m
KnoxvilleChicago
TYS - ORD
TYSORD
Knoxville McGhee Tyson
Wed 6/10
6:00 am-6:59 am
Nonstop1h 59m
Chicago O'Hare Intl
Sat 6/13
6:07 pm-8:56 pm
Nonstop1h 49m
KnoxvilleChicago
TYS - ORD
TYSORD
Knoxville McGhee Tyson
Thu 6/25
6:00 am-6:59 am
Nonstop1h 59m
Chicago O'Hare Intl
Sun 6/28
7:45 pm-10:34 pm
Nonstop1h 49m
KnoxvilleChicago
TYS - ORD
TYSORD
Knoxville McGhee Tyson
Fri 6/19
6:00 am-6:59 am
Nonstop1h 59m
Chicago O'Hare Intl
Mon 6/22
6:07 pm-8:56 pm
Nonstop1h 49m
KnoxvilleChicago
TYS - ORD
TYSORD
Knoxville McGhee Tyson
Sat 5/23
6:30 am-7:29 am
Nonstop1h 59m
Chicago O'Hare Intl
Sat 5/30
2:02 pm-4:51 pm
Nonstop1h 49m
KnoxvilleSt. Louis
TYS - STL
TYSSTL
Knoxville McGhee Tyson
Tue 6/9
5:40 pm-11:55 pm
1 stop7h 15m
Lambert-St Louis
Tue 6/16
8:25 am-6:20 pm
1 stop8h 55m
KnoxvilleChicago
TYS - MDW
TYSMDW
Knoxville McGhee Tyson
Wed 7/15
7:15 am-12:38 pm
1 stop6h 23m
Chicago Midway
Wed 7/22
11:05 am-5:16 pm
1 stop5h 11m
KnoxvilleSt. Louis
TYS - STL
TYSSTL
Knoxville McGhee Tyson
Tue 7/28
5:40 pm-11:55 pm
1 stop7h 15m
Lambert-St Louis
Wed 7/29
10:20 am-5:00 pm
1 stop5h 40m
To ensure you get the cheapest price possible for a flight from Knoxville to Illinois, you should look to book at least 70 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.
Currently, November is the cheapest month in which you can book a flight from Knoxville to Illinois (average of $48). Flying from Knoxville to Illinois in March is currently the most expensive (average of $189). 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.
It’s typically best to fly out from Knoxville to Illinois in the morning. Doing so could potentially save you 22% on the flight price compared to flying in the evening, which is usually more expensive.
Travelers seeking maximum savings on their Knoxville to Illinois flight should consider departing on Wednesday at noon 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.
The most flights from TYS to USIL are scheduled on a Monday (33 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (24 on average).
Entertainment
Food
Crew
Comfort
Boarding
Overall
Reviews
Dane,Jan 2026
TYS - IAD
Entertainment
Food
Crew
Comfort
Boarding
Overall
Reviews
Dane,Jan 2026
TYS - IAD
Entertainment
Food
Crew
Comfort
Boarding
Overall
Reviews
Dane,Jan 2026
TYS - IAD
Entertainment
Food
Crew
Comfort
Boarding
Overall
Reviews
Dane,Jan 2026
TYS - IAD
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$60 | Average$103 | FlexibilityNo cancel fee | On-time88% | |
| Cheapest$189 | Average$344 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$189 | Average$307 | FlexibilityNo cancel fee | On-time71% |