Cheap flights from Knoxville to Chicago

One-way fares from $71 · TYS → CHI · prices found by travellers in the last 48 hours

Compare all dates Chicago → Knoxville
Cheapest fare
$71

Allegiant Air · Fri, Nov 13

Cheapest month
November

from $71

Direct flights
Yes

Allegiant Air and American Airlines

Flight time
1h 37m

730 km

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Cheapest month to fly from Knoxville to Chicago

Lowest one-way fare per person in each month. Choose a month to see every date.

  1. November 2026 Cheapest $71

Cheapest dates in November 2026

The lowest fares we've seen for each day, cheapest first.

Allegiant Air
Depart13:49 Fri, Nov 13TYS → MDW 1h 37m · Direct
$71one way, per person
View deal
American Airlines
Depart16:59 Thu, Nov 12TYS → ORD 2h 16m · Direct
$119one way, per person
View deal
See every date in November 2026 →

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About flights from Knoxville to Chicago

Knoxville (TYS) and Chicago (CHI) are about 730 km apart. Direct flights take around 1h 37m, and recent direct fares were with Allegiant Air and American Airlines. Over the next few months, one-way fares start from $71, and November 2026 is currently the cheapest month to fly.

These prices come from searches travellers made in the last 48 hours, so they move quickly. If you see a good fare, it's worth booking soon. FlightsExp is free to use: you book directly with our travel partner.

Frequently asked questions

How much is a flight from Knoxville to Chicago?

The cheapest one-way fare we've seen recently is $71 with Allegiant Air, departing Friday, November 13, 2026.

What is the cheapest month to fly from Knoxville to Chicago?

November 2026 currently has the lowest fares, from $71 one way.

Are there direct flights from Knoxville to Chicago?

Yes. Recent direct fares were with Allegiant Air and American Airlines.

How long is the flight from Knoxville to Chicago?

A direct flight takes about 1h 37m. Knoxville and Chicago are around 730 km apart.

Which airlines fly from Knoxville to Chicago?

Recent fares on this route were with Allegiant Air and American Airlines.

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