To Knoxville

Cheap Flights from Chicago to Knoxville

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RatePunk searches hundreds of travel sites at once for deals on flights to Knoxville

Prices updated 24 days ago

486,190 searches this week

171 airlines compared

80%+ AI score for best value

Fares are subject to change and may not be available for all dates. (Data last updated May 29, 2026.)

Today’s best flight deals from Chicago to Knoxville

Explore current cheapest deals departing from Chicago to Knoxville

Round trip

Sort by: Cheapest

November 2 - November 13

Cheapest

MDW - Knoxville

$148

$81

Round trip

November 2 - November 16

MDW - Knoxville

$147

$97

Round trip

July 16 - July 23

Best

Earliest

MDW - Knoxville

$190

$98

Round trip

October 19 - November 13

MDW - Knoxville

$149

$103

Round trip

August 13 - August 16

MDW - Knoxville

$154

$105

Round trip

November 2 - November 6

MDW - Knoxville

$162

$105

Round trip

November 2 - November 20

MDW - Knoxville

$142

$105

Round trip

October 19 - October 30

MDW - Knoxville

$154

$105

Round trip

October 26 - November 13

MDW - Knoxville

$152

$105

Round trip

November 13 - November 16

MDW - Knoxville

$164

$106

Round trip

Unlock all 500+ flight deals to Knoxville and get alerts when great deals appear

Route Intelligence — 486,190 Searches this Week

Insights for flights from Chicago to Knoxville

Most itineraries for flights from Chicago to Knoxville connect at least once, with only 38% of recent fares being non-stop. When connections are necessary, the typical number of stopovers is 3. This means you will likely encounter connecting flights when searching for cheap flights from Chicago to Knoxville.

Right now, fares for flights from Chicago to Knoxville typically range from $169–$555, with a median of $315. Current fares are near the typical level, and about 22% of recent fares were classified as a good price. New deals appear almost daily, offering frequent opportunities to find competitive prices.

If you are looking for the cheapest time to fly from Chicago to Knoxville, August stands out with a median fare of just $100. Other affordable months include October, with a median fare of $128, and June, where the median fare is $169.

A typical journey from Chicago to Knoxville takes approximately 17h 18m, including connections. This duration reflects the prevalence of connecting itineraries on this route.

The distance between Chicago and Knoxville is 740 kilometers, making this a short-haul route.

How much is a round trip from Chicago to Knoxville

Regular price: $116 - $264

Prices are currently below the regular range.

The regular price range for flights from Chicago to Knoxville is $116 to $264. The current lowest deal is $81 with Allegiant Air, for travel from Nov 2 to Nov 13.

now $81

Low $116

High $264

The cheapest time to fly from Chicago to Knoxville

The cheapest month to fly from Chicago to Knoxville is August, with a median price of $100. The most expensive month is May, with a median price of $436. Prices are generally lower from January to December.

August

Cheapest

Flights from $100

May

Most Expensive

Flights from $436

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Direct flights from Chicago to Knoxville

Allegiant Air

Last-minute flights going from Chicago to Knoxville

Sat, Jun 27

⌛ Last-Minute

ORD - Knoxville

Chicago (ORD) - Knoxville (TYS)

Deutsche Luft Hansa

$346

$299

One-way

Thu, Jul 2

⌛ Last-Minute

ORD - Knoxville

Chicago (ORD) - Knoxville (TYS)

American Airlines

$315

$274

One-way

Fri, Jul 3

⌛ Last-Minute

MDW - Knoxville

Chicago (MDW) - Knoxville (TYS)

Deutsche Luft Hansa

$374

$298

One-way

Sun, Jul 5

⌛ Last-Minute

MDW - Knoxville

Chicago (MDW) - Knoxville (TYS)

Allegiant Air

$192

$151

One-way

Sun, Jul 5

⌛ Last-Minute

MDW - Knoxville

Chicago (MDW) - Knoxville (TYS)

Allegiant Air

$205

$151

One-way

Sun, Jul 5

⌛ Last-Minute

MDW - Knoxville

Chicago (MDW) - Knoxville (TYS)

Allegiant Air

$169

$157

One-way

Biggest price drops on these dates for flights from Chicago to Knoxville

2 nights

Jul 9 - Jul 11

$362 → $164

55%

2 nights

Jul 10 - Jul 12

$344 → $179

48%

2 nights

Jul 16 - Jul 18

$355 → $195

45%

2 nights

Jul 23 - Jul 25

$346 → $189

45%

Popular Airports to fly from Chicago to Knoxville

Chicago - Knoxville route insights

💸 Price insights

Recent fares are near the typical level.

Recent fares for Chicago to Knoxville are near the typical level, with a median price of $315.

📅 Best time to fly

August is historically the cheapest month to fly.

Historically, August is the cheapest month to fly from Chicago to Knoxville, with a median price of $100.

⏱️ Flight duration

Connecting flights average 17h 18m.

The median flight duration for connecting flights from Chicago to Knoxville is 17 hours and 18 minutes.

✈️ Airlines & availability

Allegiant Air offers direct flights.

Allegiant Air has offered direct flights on this route. Deals for this route are frequent.

🏆 Airline highlight

Allegiant Air had a recent deal for $81.

Allegiant Air recently offered a deal for $81 from Chicago Midway to McGhee Tyson.

🎯 Booking tip

Consider August for the lowest prices.

Booking in August could save you money, as it's historically the cheapest month to fly.

Chicago main airports to depart from

Chicago Midway International (MDW)

Cheapest

Fly from Chicago Midway International for a potentially cheaper option to Knoxville.

📍 ~15 km from Chicago city center (reachable by car or train)

💸 Flights from ~$81

Chicago Rockford International (RFD)

Consider Chicago Rockford International for an alternative departure point to Knoxville.

📍 ~120 km from Chicago city center (reachable by car)

💸 Flights from ~$191

O Hare International (ORD)

O'Hare International offers another departure choice from Chicago for flights to Knoxville.

📍 ~25 km from Chicago city center (reachable by car or train)

💸 Flights from ~$219

Knoxville main airports to arrive at

McGhee Tyson (TYS)

Cheapest

McGhee Tyson Airport is a convenient arrival option for flights to Knoxville.

📍 ~20 km from Knoxville (reachable by car)

💸 Flights from ~$81

Airports nearby Knoxville used as alternative

Nashville International (BNA)

Cheapest

Nashville International offers significantly more direct flight options and competitive pricing compared to Knoxville.

📍 ~240 km from Knoxville (reachable by car)

💸 Flights from ~$65

Hartsfield–Jackson Atlanta International (ATL)

Hartsfield–Jackson Atlanta International provides unparalleled global connectivity, ideal for international travelers.

📍 ~270 km from Knoxville (reachable by car)

💸 Flights from ~$83

Charlotte Douglas International (CLT)

Charlotte Douglas International is a major American Airlines hub, offering extensive East Coast and international connections.

📍 ~260 km from Knoxville (reachable by car)

💸 Flights from ~$172

Greenville–Spartanburg International (GSP)

Greenville–Spartanburg International is a larger regional airport that often features lower fares than TYS or AVL.

📍 ~190 km from Knoxville (reachable by car)

💸 Flights from ~$187

Asheville Regional (AVL)

Asheville Regional is the geographically closest alternative, useful for specific low-cost carrier routes.

📍 ~100 km from Knoxville (reachable by car)

💸 Flights from ~$76

Business & First Class Flight Deals to Knoxville

Elite

Oct 26

Knoxville, United States

45% AI deal score

$637

$636

Save $1

From ORD

Elite

Nov 06

Knoxville, United States

45% AI deal score

$782

From ORD

Elite

Nov 28

Knoxville, United States

44% AI deal score

$569

From ORD

Elite

Dec 03

Knoxville, United States

44% AI deal score

$578

From ORD

Elite

Nov 09

Knoxville, United States

44% AI deal score

$584

From ORD

Elite

Dec 01

Knoxville, United States

43% AI deal score

$669

Frequently Asked Questions About Flights to Knoxville

Historically, the optimal booking window for flights from Chicago to Knoxville is typically 28-59 days before departure. During this period, the average price observed was around $290. Booking within 0-6 days of departure generally sees a higher average price of $444. For those planning further ahead, booking 60+ days out also presents a good value, with an average price of $324.

Across the trailing quarter, a flight from Chicago to Knoxville is considered a good deal if it is priced at or below $169. The median price for this route in the trailing 90 days was $315. Prices above $555 are typically in the more expensive range for this route.

Historically, August has been the cheapest month to fly from Chicago to Knoxville, with a median price of $100. October also offers good value, with a median price of $128. The annual median price for this route is $315, indicating that certain months can offer significant savings compared to the yearly average.

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