Allegiant Air Knoxville to Chicago Flights

One way Round trip

Adults

Children under 12

Infants under 2 without place

Economy

Business

First

done

Page navigation

Best Airfare Price Calendar Flights Schedule

Cheapflightsplus.com will find cheap Allegiant Air flights from Knoxville to Chicago. Compare airline ticket prices and book air tickets starting from $140 from trusted online travel agencies, web sites and directly from airlines. Check flights schedule of Allegiant Air, arrivals and departure details below.

Find Cheap Airfare Knoxville (TN) — Chicago (IL) by Allegiant Air

To find cheap tickets choose a day of your departure with attractive price on the graph below and click «Find flights». For round trip flights please click «Check prices for return flight». The cheapest airfare is in february: one-way - $140, two-way – $240.

Direct flights

Check to choose departure date Check to choose departure date

Check prices for return flight

Find flights

Cheap Flights from Knoxville to Chicago by Allegiant Air

Look at the list of plane tickets for the most connecting flights by Allegiant Air, their prices start from $140. There’re no direct flights. The fastest connecting flight – 10h 22m.

Price	Departure	Arrival	Flight Time	Airline	Flight
from $140 Find flight	12:25 pm Knoxville Mc Ghee Tyson	10:29 pm Chicago O'Hare International	11h 4m layover 6h 24m - Tampa	Allegiant Air	G43049 NK1171
from $222 Find flight	7:30 am Knoxville Mc Ghee Tyson	4:52 pm Chicago O'Hare International	10h 22m layover 5h 38m - Orlando	Allegiant Air	G43052 NK506
from $245 Find flight	11:06 am Knoxville Mc Ghee Tyson	8:40 pm Chicago O'Hare International	10h 34m layover 5h 5m - Miami	Allegiant Air	G41438 NK3
from $257 Find flight	11:06 am Knoxville Mc Ghee Tyson	10:29 pm Chicago O'Hare International	12h 23m layover 1h 50m - Miami 4h 22m - Tampa	Allegiant Air	G41438 NK322 NK1171
from $265 Find flight	1:50 pm Knoxville Mc Ghee Tyson	1:13 am+1 день Chicago O'Hare International	12h 23m layover 4h 51m - Orlando 0h 40m - Dallas	Allegiant Air	G43053 NK503 NK828
from $265 Find flight	1:50 pm Knoxville Mc Ghee Tyson	1:13 am+1 день Chicago O'Hare International	12h 23m layover 3h 24m - Orlando 2h 1m - Dallas	Allegiant Air	G43053 NK1096 NK828
from $274 Find flight	8:15 am Knoxville Mc Ghee Tyson	1:13 am+1 день Chicago O'Hare International	17h 58m layover 3h 47m - Newark 6h 24m - Dallas	Allegiant Air	G41396 NK3718 NK828
from $281 Find flight	11:06 am Knoxville Mc Ghee Tyson	1:13 am+1 день Chicago O'Hare International	15h 7m layover 6h 15m - Miami 1h 25m - Dallas	Allegiant Air	G41438 NK214 NK828
from $283 Find flight	9:00 am Knoxville Mc Ghee Tyson	9:55 am+1 день Chicago O'Hare International	25h 55m layover 6h 7m - Las Vegas 6h 57m - Miami	Allegiant Air	G41400 NK2330 NK2
from $608 Find flight	6:00 am Knoxville Mc Ghee Tyson	6:40 pm Chicago O'Hare International	13h 40m layover 4h 24m - Tampa 3h 22m - New Orleans	Allegiant Air	G41434 NK1441 NK1109

Show All Flights

*Departure and arrival times are local. Prices are for one-way flights. Information refreshed on 02/05/2025

Allegiant Air Flight Schedule Knoxville to Chicago

Below is a detailed 2025 flight schedule for today, tomorrow and all other days. It may vary depending on season and a day of the week of your desired trip. We recommend booking your itinerary at least 2 weeks prior your travel to get the best price and availability by the airline.

Departure	Flight Details	Flight Time	Price
11:06 am — 8:40 pm	11:06 am — 1:15 pm G41438 Allegiant Air Knoxville — Miami 5h 5m stop 6:20 pm — 8:40 pm NK3 Spirit Airlines Miami — Chicago	10h 34m including layover	Find flight from$245
11:06 am — 10:29 pm	11:06 am — 1:15 pm G41438 Allegiant Air Knoxville — Miami 1h 50m stop 3:05 pm — 4:10 pm NK322 Spirit Airlines Miami — Tampa 4h 22m stop 8:32 pm — 10:29 pm NK1171 Spirit Airlines Tampa — Chicago	12h 23m including layover	Find flight from$257
11:06 am — 1:13 am +1 day	11:06 am — 1:15 pm G41438 Allegiant Air Knoxville — Miami 6h 15m stop 7:30 pm — 9:34 pm NK214 Spirit Airlines Miami — Dallas 1h 25m stop 10:59 pm — 1:13 am NK828 Spirit Airlines Dallas — Chicago	15h 7m including layover	Find flight from$281
12:25 pm — 10:29 pm	12:25 pm — 2:08 pm G43049 Allegiant Air Knoxville — Tampa 6h 24m stop 8:32 pm — 10:29 pm NK1171 Spirit Airlines Tampa — Chicago	11h 4m including layover	Find flight from$140
1:50 pm — 1:13 am +1 day	1:50 pm — 3:39 pm G43053 Allegiant Air Knoxville — Orlando 4h 51m stop 8:30 pm — 10:19 pm NK503 Spirit Airlines Orlando — Dallas 40m stop 10:59 pm — 1:13 am NK828 Spirit Airlines Dallas — Chicago	12h 23m including layover	Find flight from$265
1:50 pm — 1:13 am +1 day	1:50 pm — 3:39 pm G43053 Allegiant Air Knoxville — Orlando 3h 24m stop 7:03 pm — 8:58 pm NK1096 Spirit Airlines Orlando — Dallas 2h 1m stop 10:59 pm — 1:13 am NK828 Spirit Airlines Dallas — Chicago	12h 23m including layover	Find flight from$265
6:00 am — 6:40 pm	6:00 am — 7:43 am G41434 Allegiant Air Knoxville — Tampa 4h 24m stop 12:07 pm — 12:45 pm NK1441 Spirit Airlines Tampa — New Orleans 3h 22m stop 4:07 pm — 6:40 pm NK1109 Spirit Airlines New Orleans — Chicago	13h 40m including layover	Find flight from$608
7:30 am — 4:52 pm	7:30 am — 9:07 am G43052 Allegiant Air Knoxville — Orlando 5h 38m stop 2:45 pm — 4:52 pm NK506 Spirit Airlines Orlando — Chicago	10h 22m including layover	Find flight from$222
7:30 am — 6:40 pm	7:30 am — 9:07 am G43052 Allegiant Air Knoxville — Orlando 4h 41m stop 1:48 pm — 2:35 pm NK3644 Spirit Airlines Orlando — New Orleans 1h 32m stop 4:07 pm — 6:40 pm NK1109 Spirit Airlines New Orleans — Chicago	12h 10m including layover	Find flight from$639
7:30 am — 7:11 pm	7:30 am — 9:07 am G43052 Allegiant Air Knoxville — Orlando 5h 7m stop 2:14 pm — 4:52 pm NK151 Spirit Airlines Orlando — New York 48m stop 5:40 pm — 7:11 pm NK918 Spirit Airlines New York — Chicago	12h 41m including layover	Find flight from$642
7:30 am — 10:52 pm	7:30 am — 9:07 am G43052 Allegiant Air Knoxville — Orlando 6h 29m stop 3:36 pm — 6:26 pm NK994 Spirit Airlines Orlando — Newark 2h 49m stop 9:15 pm — 10:52 pm NK329 Spirit Airlines Newark — Chicago	16h 22m including layover	Find flight from$642
8:15 am — 1:13 am +1 day	8:15 am — 10:05 am G41396 Allegiant Air Knoxville — Newark 3h 47m stop 1:52 pm — 4:35 pm NK3718 Spirit Airlines Newark — Dallas 6h 24m stop 10:59 pm — 1:13 am NK828 Spirit Airlines Dallas — Chicago	17h 58m including layover	Find flight from$274
9:00 am — 9:55 am +1 day	9:00 am — 10:48 am G41400 Allegiant Air Knoxville — Las Vegas 6h 7m stop 4:55 pm — 0:43 am NK2330 Spirit Airlines Las Vegas — Miami 6h 57m stop 7:40 am — 9:55 am NK2 Spirit Airlines Miami — Chicago	25h 55m including layover	Find flight from$283

Departure	Arrival	Flight Details	Flight Time	Price
		stop stop	including layover	Find flight from$

*Departure and arrival times are local. Last updated on 02/05/2025

Flight Information

There are 14 flights by Allegiant Air from Knoxville to Chicago every week with departures from Mc Ghee Tyson. All flights arrive at Chicago FSS, Midway, O'Hare International, Chicago NAS, Merrill C Meigs (closed), Dupage County, Pal-Waukee.

Departures start from 11:06 am to 9:00 am. Nonstop flight is 10h 22m. The time difference between Knoxville and Chicago is 1h.

The fastest flight 10h 22m
Average flight time 12h 23m
The earliest flight 11:06 am
The latest flight 9:00 am
Distance 463 ml

The cheapest months for traveling to Chicago are february (from 140 $).

The cheapest flight by Allegiant Air that our users were able to find is $140. This airfare is economy class on one-way G43049 flight for February 21, 2025 leaving Mc Ghee Tyson in Knoxville at 12:25 pm, it includes all taxes and additional fees.

Find same flight?

Allegiant Air Airplanes on the Route

List of the most popular Allegiant Air airplanes flying from Knoxville to Chicago:

Other Popular Airlines on the Route

Besides Allegiant Air there are other 1 airline carriers between Knoxville and Chicago. Please review schedules and prices from the most popular airlines to find the best airfare deals from Knoxville to Chicago.

Nonstop flights

There are 3 direct flights every day from Knoxville. Airlines and fares are below:

UA - United Airlines

from $162

Find

See more direct flights

Connecting Flights

List of flights with layovers (1 and more stops):

UA - United Airlines

from $275

Find

See more connecting flights

How to book an air ticket yourself?

Fill in the search parameters — cities of departure and destination, departure and return dates and click «Find flights»
Select the best flight that you like. Please, check the airports of departure and arrival. Select the best fare, but pay attention to the following flight details - airports of departure and arrival, flight duration and layovers. Please use filters and sort to find the best flight.
Click «Buy» when you are ready — our system will redirect you to the site that sells the selected airfare.
Fill in all passenger and payment information — passport and contact information, please double check all passengers’ names and make a payment for your itinerary.
That's it — you will receive an email with your e-ticket usually within 10 minutes after your flight is confirmed. Please, print the e-ticket and have it with you at the airport. You would need to have only a passport and/or a required form of ID to travel. Please, check your Visa requirements if you travel outside of the United States or Canada.
To find a plane ticket, please select dates.