Cheap flights from Chicago, IL to Knoxville, TN

Flights starting at $101. Choose between Allegiant Air, United Airlines, or Spirit Airlines to find the best price.

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Travelers usually depart from O Hare International, Chicago Midway International, or Chicago Rockford International when they travel from Chicago to Knoxville. The distance between Chicago and Knoxville is 765 km. The most popular airlines for this route are Allegiant Air, United Airlines, Spirit Airlines, Frontier Airlines, and JetBlue Airways. Chicago and Knoxville have 142 direct flights per week.

Weekly direct flights

Discover the top airlines offering direct flights from Chicago to Knoxville in the next month. You’ll find the number of daily direct flights per airline in the table.

Weekly direct flights for Sun 17.03 - Sat 23.03

AirlineSun 17.03Mon 18.03Tue 19.03Wed 20.03Thu 21.03Fri 22.03Sat 23.03
2576433

Weekly direct flights for Sun 24.03 - Sat 30.03

AirlineSun 24.03Mon 25.03Tue 26.03Wed 27.03Thu 28.03Fri 29.03Sat 30.03
4557856

Weekly direct flights for Sun 31.03 - Sat 06.04

AirlineSun 31.03Mon 01.04Tue 02.04Wed 03.04Thu 04.04Fri 05.04Sat 06.04
4487548

Weekly direct flights for Sun 07.04 - Sat 13.04

AirlineSun 07.04Mon 08.04Tue 09.04Wed 10.04Thu 11.04Fri 12.04Sat 13.04
5446444

Check-in for a flight from Chicago to Knoxville

NameCarrier codeIATA CodePassport needed during bookingOnline check-in available
Allegiant AirAAYG4NoOpens 24 days before flight
Closes 1 hours before flight
United AirlinesUALUAYesNo
Spirit AirlinesNKSNKNoOpens 24 days before flight
Closes 1 hours before flight
Frontier AirlinesFFTF9NoOpens 24 days before flight
Closes 1 hours before flight
JetBlue AirwaysJBUB6NoOpens 24 days before flight
Closes 2 hours before flight

Weather in Knoxville

Average Weather

MonthAverage monthly max temperatureAverage monthly min temperature
January7°C0°C
February10°C1°C
March15°C4°C
April20°C8°C
May25°C13°C
June29°C18°C
July30°C20°C
August30°C19°C
September27°C16°C
October21°C10°C
November14°C4°C
December10°C2°C
Hottest Month
30°C
July
Coldest month
0°C
January
Sunny days
254
days per year
Snow days
4
days per year

14 day forecast

Friday
22 Mar
90%
21°C7°C
29 Mar
88%
21°C6°C
Saturday
23 Mar
88%
11°C4°C
30 Mar
86%
7°C5°C
Sunday
24 Mar
17°C1°C
31 Mar
13°C1°C
Monday
25 Mar
18°C6°C
1 Apr
19°C2°C
Tuesday
26 Mar
86%
19°C8°C
2 Apr
20°C9°C
Wednesday
27 Mar
13°C5°C
3 Apr
73%
23°C14°C
Thursday
28 Mar
17°C2°C
4 Apr
25°C12°C

Frequently asked questions

How long does it take to travel from Chicago to Knoxville?
What is the flight distance between Chicago and Knoxville?
What airlines offer nonstop (direct) flights between Chicago and Knoxville?
What are the most popular routes to and from Chicago?
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Which airports are there in Chicago?
What airports are near Chicago?
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Is it possible to combine flights, buses, and trains in one itinerary when traveling between Chicago and Knoxville?
What is Virtual Interlining and how do I use it?
Which airlines fly between Chicago and Knoxville?
When's the best time to travel between Chicago and Knoxville?
What flights operate between Chicago and Knoxville?
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What time do flights between Chicago and Knoxville depart?
What time do flights between Chicago and Knoxville arrive?

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