HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news

Cheap flights from Knoxville (TYS) to Illinois from $49

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 6/24. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
TYS — ORD
May 2 — May 91
From?
To?
Thu 5/2
Thu 5/9
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

How far in advance should I book a flight from Knoxville to Illinois?

Travelers have found it’s best to book a flight 42 days in advance to save up to 111% compared to booking the same week of travel. As your travel date approaches, the cost of this flight route may potentially increase. While opting to book 42 days out may not be an option for all, there are still additional ways to secure a deal in the near future. You might find a flight from Knoxville to Illinois 1-2 weeks in advance for as low as $207, or $258 for flights within the next 24 hours.

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

Due to multiple factors, expect to potentially pay more when booking in March. For low rates, June can be a great choice for travel to Illinois. Flights to Illinois from Knoxville in June are about $264 on average during June, but can be found for as low as $44.

When is the cheapest time to fly from Knoxville to Illinois (TYS - IL)?

When flying from Knoxville to Illinois, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Cheap American Airlines flights from Knoxville to Illinois

Explore cheap flight options specifically provided by American Airlines for the route between Knoxville and Illinois. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 3,068,117 searches. Data last updated April 27, 2024.
Take a look at some of the lowest-priced American Airlines flights heading from Knoxville to Illinois. Deals update often to give you more flight options matching your criteria
Sat 8/37:57 amTYS - ORD
Nonstop1h 58mAmerican Airlines
Tue 8/66:20 pmORD - TYS
Nonstop1h 56mAmerican Airlines
Deal found 4/26$169
Tue 9/108:23 amTYS - ORD
Nonstop1h 57mAmerican Airlines
Thu 9/191:36 pmORD - TYS
Nonstop1h 48mAmerican Airlines
Deal found 4/26$194
Wed 7/1011:43 amTYS - ORD
Nonstop1h 56mAmerican Airlines
Tue 7/161:33 pmORD - TYS
Nonstop1h 34mAmerican Airlines
Deal found 4/25$219
Fri 5/108:17 amTYS - ORD
Nonstop1h 52mAmerican Airlines
Sat 5/113:30 pmORD - TYS
Nonstop1h 36mAmerican Airlines
Deal found 4/26$224
Fri 5/177:53 pmTYS - ORD
1 stop5h 06mAmerican Airlines
Wed 5/227:40 pmORD - TYS
Nonstop1h 40mAmerican Airlines
Deal found 4/26$227
Fri 5/107:53 pmTYS - ORD
1 stop5h 06mAmerican Airlines
Sat 5/113:30 pmORD - TYS
Nonstop1h 36mAmerican Airlines
Deal found 4/26$232
Fri 5/36:37 pmTYS - ORD
Nonstop1h 53mAmerican Airlines
Sun 5/53:31 pmORD - TYS
Nonstop1h 36mAmerican Airlines
Deal found 4/25$244
Fri 5/36:37 pmTYS - ORD
Nonstop1h 53mAmerican Airlines
Sun 5/55:30 amORD - TYS
1 stop4h 14mAmerican Airlines
Deal found 4/25$252
Wed 5/228:17 amTYS - ORD
Nonstop1h 52mAmerican Airlines
Mon 5/273:33 pmORD - TYS
Nonstop1h 36mAmerican Airlines
Deal found 4/26$269

Cheap United Airlines flights from Knoxville to Illinois

Explore cheap flight options specifically provided by United Airlines for the route between Knoxville and Illinois. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 3,068,117 searches. Data last updated April 27, 2024.
Take a gander at the lowest prices we've found on United Airlines flights from Knoxville to Illinois. Ensure the flight price, dates, time, and airline match your criteria before you book.
Thu 5/97:00 amTYS - ORD
Nonstop2h 00mUnited Airlines
Mon 5/136:15 pmORD - TYS
Nonstop1h 53mUnited Airlines
Deal found 4/25$179
Wed 5/810:51 amTYS - ORD
Nonstop1h 59mUnited Airlines
Sat 5/116:15 pmORD - TYS
Nonstop1h 53mUnited Airlines
Deal found 4/26$199
Thu 5/910:51 amTYS - ORD
Nonstop1h 59mUnited Airlines
Mon 5/136:15 pmORD - TYS
Nonstop1h 53mUnited Airlines
Deal found 4/25$215
Sat 5/45:33 pmTYS - ORD
Nonstop1h 54mUnited Airlines
Mon 5/67:30 amORD - TYS
Nonstop1h 46mUnited Airlines
Deal found 4/25$219
Wed 5/810:00 amTYS - ORD
1 stop5h 00mUnited Airlines
Sat 5/116:15 pmORD - TYS
Nonstop1h 53mUnited Airlines
Deal found 4/26$223
Sat 5/117:00 amTYS - ORD
Nonstop2h 00mUnited Airlines
Tue 5/146:15 pmORD - TYS
Nonstop1h 53mUnited Airlines
Deal found 4/25$239
Sat 5/410:00 amTYS - ORD
1 stop5h 00mUnited Airlines
Mon 5/66:15 pmORD - TYS
Nonstop1h 53mUnited Airlines
Deal found 4/25$242
Sat 5/257:05 pmTYS - ORD
1 stop5h 15mUnited Airlines
Sun 5/268:45 amORD - TYS
1 stop4h 55mUnited Airlines
Deal found 4/26$248
Sat 9/77:00 amTYS - PIA
1 stop4h 17mUnited Airlines
Wed 9/116:45 amPIA - TYS
1 stop5h 53mUnited Airlines
Deal found 4/25$273

Cheap Knoxville to Illinois flights in April & May 2024

Find cheap flight options from Knoxville to Illinois specifically for the months of April and May 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 3,068,117 searches. Prices were last updated on April 27, 2024.
Scroll through some of the best deals on flights from Knoxville to Illinois in 2024. Check back soon for alternative fares.
Thu 5/98:13 amTYS - ORD
1 stop17h 46mFrontier
Sat 5/118:25 amORD - TYS
1 stop21h 33mFrontier
Deal found 4/25$99
Thu 5/98:13 amTYS - MDW
1 stop9h 52mFrontier
Mon 5/133:44 pmMDW - TYS
1 stop15h 04mFrontier
Deal found 4/25$103
Thu 5/98:13 amTYS - MDW
1 stop9h 52mFrontier
Mon 5/133:44 pmMDW - TYS
1 stop15h 04mFrontier
Deal found 4/25$107
Thu 5/98:13 amTYS - ORD
1 stop17h 46mFrontier
Mon 5/138:25 amORD - TYS
1 stop22h 23mFrontier
Deal found 4/25$123
Thu 5/98:13 amTYS - ORD
1 stop17h 46mFrontier
Mon 5/138:25 amORD - TYS
1 stop22h 23mFrontier
Deal found 4/25$124
Wed 5/810:51 amTYS - ORD
1 stop15h 05mFrontier
Sat 5/118:25 amORD - TYS
1 stop21h 33mFrontier
Deal found 4/25$128
Fri 5/241:50 pmTYS - MDW
Nonstop1h 32mAllegiant Air
Fri 5/318:33 pmMDW - TYS
Nonstop1h 28mAllegiant Air
Deal found 4/25$135
Fri 5/179:02 pmTYS - MDW
1 stop25h 04mFrontier
Wed 5/227:49 amMDW - TYS
1 stop23h 28mFrontier
Deal found 4/26$142
Fri 5/179:02 pmTYS - ORD
1 stop28h 16mFrontier
Wed 5/225:56 pmORD - TYS
1 stop13h 21mFrontier
Deal found 4/25$144

Knoxville to Illinois 2024 flight deals

Discover exclusive flight deals for travel between Knoxville and Illinois in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 3,068,117 searches. Data last updated April 27, 2024.
Scroll through some of the best deals on flights from Knoxville to Illinois in 2024. Check back soon for alternative fares.
Thu 5/98:13 amTYS - ORD
1 stop17h 46mFrontier
Sat 5/118:25 amORD - TYS
1 stop21h 33mFrontier
Deal found 4/25$99
Thu 5/98:13 amTYS - MDW
1 stop9h 52mFrontier
Mon 5/133:44 pmMDW - TYS
1 stop15h 04mFrontier
Deal found 4/25$103
Thu 5/98:13 amTYS - MDW
1 stop9h 52mFrontier
Mon 5/133:44 pmMDW - TYS
1 stop15h 04mFrontier
Deal found 4/25$107
Fri 6/287:44 pmTYS - MDW
Nonstop1h 34mAllegiant Air
Mon 7/19:08 pmMDW - TYS
Nonstop1h 25mAllegiant Air
Deal found 4/26$113
Fri 8/97:08 pmTYS - MDW
Nonstop1h 32mAllegiant Air
Mon 8/128:30 pmMDW - TYS
Nonstop1h 26mAllegiant Air
Deal found 4/26$119
Fri 7/197:45 pmTYS - MDW
Nonstop1h 32mAllegiant Air
Mon 7/229:07 pmMDW - TYS
Nonstop1h 26mAllegiant Air
Deal found 4/26$122
Thu 5/98:13 amTYS - ORD
1 stop17h 46mFrontier
Mon 5/138:25 amORD - TYS
1 stop22h 23mFrontier
Deal found 4/25$123
Thu 5/98:13 amTYS - ORD
1 stop17h 46mFrontier
Mon 5/138:25 amORD - TYS
1 stop22h 23mFrontier
Deal found 4/25$124
Wed 5/810:51 amTYS - ORD
1 stop15h 05mFrontier
Sat 5/118:25 amORD - TYS
1 stop21h 33mFrontier
Deal found 4/25$128

Non-stop flights to Illinois from Knoxville

Discover non-stop flight options from Knoxville to Illinois. Find direct flights with no layovers, providing a convenient travel experience. Explore non-stop flight options based on user searches, and compare prices and availability for your desired travel dates. Over the last 7 days, Cheapflights users made 3,068,117 searches. Data last updated April 27, 2024.
For a shorter flight, select one of these non-stop flights from Knoxville to Illinois. If you're looking for other options for flights from Knoxville to Illinois, make sure to update the search form at the top of page.
Fri 6/287:44 pmTYS - MDW
Nonstop1h 34mAllegiant Air
Mon 7/19:08 pmMDW - TYS
Nonstop1h 25mAllegiant Air
Deal found 4/26$113
Fri 8/97:08 pmTYS - MDW
Nonstop1h 32mAllegiant Air
Mon 8/128:30 pmMDW - TYS
Nonstop1h 26mAllegiant Air
Deal found 4/26$119
Fri 7/197:45 pmTYS - MDW
Nonstop1h 32mAllegiant Air
Mon 7/229:07 pmMDW - TYS
Nonstop1h 26mAllegiant Air
Deal found 4/26$122
Fri 5/241:50 pmTYS - MDW
Nonstop1h 32mAllegiant Air
Fri 5/318:33 pmMDW - TYS
Nonstop1h 28mAllegiant Air
Deal found 4/25$135
Sat 8/37:57 amTYS - ORD
Nonstop1h 58mAmerican Airlines
Tue 8/66:20 pmORD - TYS
Nonstop1h 56mAmerican Airlines
Deal found 4/26$169
Thu 5/97:00 amTYS - ORD
Nonstop2h 00mUnited Airlines
Mon 5/136:15 pmORD - TYS
Nonstop1h 53mUnited Airlines
Deal found 4/25$179
Tue 9/108:23 amTYS - ORD
Nonstop1h 57mAmerican Airlines
Thu 9/191:36 pmORD - TYS
Nonstop1h 48mAmerican Airlines
Deal found 4/26$194
Wed 5/810:51 amTYS - ORD
Nonstop1h 59mUnited Airlines
Sat 5/116:15 pmORD - TYS
Nonstop1h 53mUnited Airlines
Deal found 4/26$199
Fri 5/241:50 pmTYS - MDW
Nonstop1h 32mAllegiant Air
Mon 5/273:12 pmMDW - TYS
Nonstop1h 28mAllegiant Air
Deal found 4/26$204

Knoxville to Illinois flights leaving soon

Find last-minute flight options from Knoxville to Illinois for spontaneous travel. Discover available flights and compare prices based on user searches. Secure great deals and offers for spontaneous trips with quick booking options. Over the last 7 days, Cheapflights users made 3,068,117 searches. Data last updated April 27, 2024.
Book one of these great deals on flights from Knoxville to Illinois. Tip: verify your flight details before completing your reservation.
Mon 5/610:51 amTYS - MDW
1 stop25h 47mFrontier
Thu 5/910:53 pmMDW - TYS
1 stop10h 03mFrontier
Deal found 4/26$176
Sat 5/410:58 amTYS - ORD
1 stop14h 58mFrontier
Mon 5/68:25 amORD - TYS
1 stop22h 23mFrontier
Deal found 4/25$179
Wed 5/110:51 amTYS - MDW
1 stop22h 45mFrontier
Sat 5/48:17 pmMDW - TYS
1 stop9h 41mFrontier
Deal found 4/26$201
Sat 5/45:33 pmTYS - ORD
Nonstop1h 54mUnited Airlines
Mon 5/67:30 amORD - TYS
Nonstop1h 46mUnited Airlines
Deal found 4/25$219
Thu 5/28:13 amTYS - MDW
1 stop9h 52mFrontier
Sat 5/48:17 pmMDW - TYS
1 stop9h 41mFrontier
Deal found 4/26$239
Wed 5/110:51 amTYS - MDW
1 stop22h 45mFrontier
Mon 5/63:44 pmMDW - TYS
1 stop15h 04mFrontier
Deal found 4/26$241
Sat 5/410:00 amTYS - ORD
1 stop5h 00mUnited Airlines
Mon 5/66:15 pmORD - TYS
Nonstop1h 53mUnited Airlines
Deal found 4/25$242
Fri 5/35:15 pmTYS - STL
1 stop5h 00mAmerican Airlines
Sat 5/44:42 pmSTL - TYS
1 stop4h 05mAmerican Airlines
Deal found 4/25$244
Fri 5/36:37 pmTYS - ORD
Nonstop1h 53mAmerican Airlines
Sun 5/53:31 pmORD - TYS
Nonstop1h 36mAmerican Airlines
Deal found 4/25$244

One-way flights to Illinois from Knoxville

Search for one-way flight options from Knoxville to Illinois. Find affordable one-way fares based on user searches. Compare prices and availability to plan your one-way journey according to your preferred dates and budget. Over the last 7 days, Cheapflights users made 3,068,117 searches. Data last updated April 27, 2024.
Take a look at some of the one-way flights we've detected from Knoxville to Illinois. Users in need of a round-trip flight from Knoxville to Illinois instead should update the search form at the top of page.
Mon 6/247:44 pmTYS - MDW
Nonstop1h 34mAllegiant Air
Deal found 4/26$49
Mon 6/107:10 pmTYS - MDW
Nonstop1h 34mAllegiant Air
Deal found 4/26$52
Sun 5/1910:07 pmTYS - ORD
1 stop28h 01mFrontier
Deal found 4/25$69
Sat 5/1110:58 amTYS - MDW
1 stop10h 41mFrontier
Deal found 4/26$81
Sat 5/1110:58 amTYS - ORD
1 stop14h 58mFrontier
Deal found 4/26$85
Sun 5/127:58 amTYS - ORD
1 stop18h 01mFrontier
Deal found 4/25$89
Sun 5/1910:07 pmTYS - MDW
1 stop20h 28mFrontier
Deal found 4/26$90
Mon 5/206:38 pmTYS - ORD
1 stop7h 10mFrontier
Deal found 4/26$119
Mon 5/206:38 pmTYS - MDW
1 stop20h 11mFrontier
Deal found 4/26$129

Find flights from Knoxville to Illinois within your budget

Customize your flight search to find flights from Knoxville to Illinois that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 3,068,117 searches. Data last updated April 27, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$103 - $188

Route

Depart

Return

Price

Knoxville McGhee TysonChicago Midway

TYS - MDW

TYSMDW

Knoxville McGhee Tyson

Thu 5/9

1 stop9h 52m

Chicago Midway

Mon 5/13

1 stop15h 04m

$103

Knoxville McGhee TysonChicago Midway

TYS - MDW

TYSMDW

Knoxville McGhee Tyson

Thu 5/9

1 stop9h 52m

Chicago Midway

Mon 5/13

1 stop15h 04m

$107

Knoxville McGhee TysonChicago Midway

TYS - MDW

TYSMDW

Knoxville McGhee Tyson

Fri 6/28

Nonstop1h 34m

Chicago Midway

Mon 7/1

Nonstop1h 25m

$113

Knoxville McGhee TysonChicago Midway

TYS - MDW

TYSMDW

Knoxville McGhee Tyson

Fri 8/9

Nonstop1h 32m

Chicago Midway

Mon 8/12

Nonstop1h 26m

$119

Knoxville McGhee TysonChicago Midway

TYS - MDW

TYSMDW

Knoxville McGhee Tyson

Fri 7/19

Nonstop1h 32m

Chicago Midway

Mon 7/22

Nonstop1h 26m

$122

Knoxville McGhee TysonChicago O'Hare Intl

TYS - ORD

TYSORD

Knoxville McGhee Tyson

Thu 5/9

1 stop17h 46m

Chicago O'Hare Intl

Mon 5/13

1 stop22h 23m

$123

Knoxville McGhee TysonChicago O'Hare Intl

TYS - ORD

TYSORD

Knoxville McGhee Tyson

Sat 8/3

Nonstop1h 58m

Chicago O'Hare Intl

Tue 8/6

Nonstop1h 56m

$169

Knoxville McGhee TysonChicago O'Hare Intl

TYS - ORD

TYSORD

Knoxville McGhee Tyson

Thu 5/9

Nonstop2h 00m

Chicago O'Hare Intl

Mon 5/13

Nonstop1h 53m

$179

Knoxville McGhee TysonChicago O'Hare Intl

TYS - ORD

TYSORD

Knoxville McGhee Tyson

Wed 7/10

1 stop6h 34m

Chicago O'Hare Intl

Tue 7/16

1 stop4h 00m

$188

Flights are sorted by cheapest first

Deals found on 4/25

No data available for this route at this time. Please check back soon.

Reviews of airlines servicing Illinois

Get insights into the airlines that provide service to Illinois. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Illinois. Reviews last updated April 27, 2024.
Get a feel of what it's like to fly with American Airlines, United Airlines and Delta from Knoxville to Illinois by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.1
Very good
10,966 reviews
Check prices

Comfort

7.9

Crew

8.6

Entertainment

8.0

Boarding

8.2

Overall

8.1

Food

7.4

Reviews

1 / 10

Terrible flight crew that skipped our row for service multiple times.

Delta
8.1
Very good
10,966 reviews
Delta
8.1
Very good
10,966 reviews
Check prices

Comfort

7.9

Crew

8.6

Entertainment

8.0

Boarding

8.2

Overall

8.1

Food

7.4

Reviews

1 / 10

Terrible flight crew that skipped our row for service multiple times.

WestJet
7.5
Good
2,981 reviews
Delta
8.1
Very good
10,966 reviews
Check prices

Comfort

7.9

Crew

8.6

Entertainment

8.0

Boarding

8.2

Overall

8.1

Food

7.4

Reviews

1 / 10

Terrible flight crew that skipped our row for service multiple times.

Allegiant Air
7.5
Good
1,033 reviews
Delta
8.1
Very good
10,966 reviews
Check prices

Comfort

7.9

Crew

8.6

Entertainment

8.0

Boarding

8.2

Overall

8.1

Food

7.4

Reviews

1 / 10

Terrible flight crew that skipped our row for service multiple times.

United Airlines
7.4
Good
11,228 reviews
Delta
8.1
Very good
10,966 reviews
Check prices

Comfort

7.9

Crew

8.6

Entertainment

8.0

Boarding

8.2

Overall

8.1

Food

7.4

Reviews

1 / 10

Terrible flight crew that skipped our row for service multiple times.

American Airlines
7.3
Good
14,889 reviews
Delta
8.1
Very good
10,966 reviews
Check prices

Comfort

7.9

Crew

8.6

Entertainment

8.0

Boarding

8.2

Overall

8.1

Food

7.4

Reviews

1 / 10

Terrible flight crew that skipped our row for service multiple times.

Related info for your journey

Find useful and relevant information for your journey from Knoxville to Illinois. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Knoxville to Illinois?

    If you book a flight to Illinois from Knoxville, you will be flying from McGhee Tyson, which is the city’s only airport. Knoxville McGhee Tyson (TYS) is located 11.3 mi from the center of Knoxville.

  • Can I find flights from Knoxville to Illinois for under $200 on Cheapflights?

    Yes, there are multiple flights from Knoxville to Illinois for under $200. The cheapest flight booked recently is on Frontier for just $103, but on average you can expect to pay $142.

  • Are there nonstop flights from Knoxville to Illinois for under $200 on Cheapflights?

    Cheapflights has at least 20 direct flights from Knoxville to Illinois under $200. A good price for a nonstop flight from Knoxville to Illinois is less than $217.

  • Are there last-minute flights available from Knoxville to Illinois for under $200?

    There are currently 20+ open flights from Knoxville to Illinois within the next 7 days for less than $200.

  • What days are nonstop flights available from Knoxville to Illinois?

    Days when nonstop flights are available for this flight are: Monday, Tuesday, Wednesday.

  • How many flights depart from Knoxville to Illinois on average per day?

    Per day, 7 flights depart from Knoxville to Illinois on average.
    Morning (6am - Noon) - 29% of flight departures
    Afternoon (Noon - 6pm) - 57% of flight departures
    Evening (6pm - Midnight) - 14% of flight departures

  • How long is the flight from Knoxville to Illinois?

    For as low as $103, Frontier can have you in Illinois from Knoxville in 1h 34m. The distance between Knoxville and Illinois is about 477 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest airlines to fly from Knoxville to Illinois one-way?

    The cheapest airline one-way is Allegiant Air, with whom users have recently found tickets for as low as $49. However, be on the lookout for offers from Frontier and United Airlines, as they are both options that can get you from Knoxville to Illinois for a low price.

  • What are the most popular routes from Knoxville to Illinois?

    When deciding which route to take from Knoxville to Illinois consider Knoxville McGhee Tyson - Chicago O'Hare Intl, Knoxville McGhee Tyson - Chicago Midway or Knoxville McGhee Tyson - Lambert-St Louis as they are the most popular.

  • What are the most popular airlines that fly from Knoxville to Illinois?

    Before booking your flight from Knoxville to Illinois check out the most popular airlines for this route: American Airlines, Delta or Allegiant Air.

  • What are the most reliable airlines from Knoxville to Illinois?

    No one likes to see their flight delayed. When booking a flight from Knoxville to Illinois consider choosing GoJet (96%), Air Wisconsin (96%) or Royal Jordanian (95%) as they are the most reliable in getting you off to your destination on time.

  • What are the cheapest flights from Knoxville to Illinois?

    Looking for the cheapest flight from Knoxville to Illinois? While on average our users pay $1,317, our data indicates the cheapest price to be $204. The most popular route (Knoxville McGhee Tyson - Chicago O'Hare Intl), is priced around $188.

  • What does TYS to ORD mean?

    Great question - TYS to ORD just means Knoxville McGhee Tyson Airport to Chicago O'Hare Intl Airport. Now you’ll know what these unique codes when you look for flights! This flight route has multiple associated airports, so we think it might be helpful to learn the name and codes of them as well. They are Chicago Midway Airport (MDW), Moline Quad-City Airport (MLI), Greater Peoria Airport (PIA), Bloomington-Normal Airport (BMI), Springfield Capital Airport (SPI).

  • Can I find deals for flights from Knoxville to Illinois that include extra baggage allowance?

    The amount of baggage you can bring on your Knoxville to Illinois flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

  • Can I find deals on flights from Knoxville to Illinois with specific airlines?

    Yes, Cheapflights allows you to browse and filter Knoxville to Illinois flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

  • Can I find deals for flights from Knoxville to Illinois that include hotel bookings?

    Yes. In addition to deals on Knoxville to Illinois flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Knoxville to Illinois?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Knoxville to Illinois.

  • Can I find deals for business class flights from Knoxville to Illinois?

    Yes. Cheapflights offers flight deals from Knoxville to Illinois by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • Can I find deals for flights from Knoxville to Illinois that allow pets onboard?

    Many airlines flying from Knoxville to Illinois offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

  • Can I find deals on last-minute flights from Knoxville to Illinois?

    Yes, you can often find last-minute deals on Knoxville to Illinois flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

  • How recently were the Knoxville to Illinois flight deals updated?

    The Knoxville to Illinois flight deals you see on this page were last updated on 4/26.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Knoxville to Illinois
See prices for flight routes from nearby airports that may be better suited for you.

Nashville to Seattle flights
Nashville to Newark flights
Nashville to Las Vegas flights
Nashville to LaGuardia flights
Nashville to John F Kennedy Intl flights
Memphis to Las Vegas flights
Nashville to Orlando flights
Nashville to Los Angeles flights
Nashville to Dallas/Fort Worth flights
Nashville to Denver flights
Nashville to O'Hare Intl flights
Nashville to Fort Lauderdale flights
Nashville to Hobby flights
Knoxville to O'Hare Intl flights
Memphis to Miami flights
Memphis to LaGuardia flights
Nashville to Philadelphia flights
Memphis to Dallas/Fort Worth flights
Nashville to Boston flights
Memphis to Fort Lauderdale flights
Memphis to Los Angeles flights
Knoxville to LaGuardia flights
Memphis to Seattle flights
Nashville to Ontario flights
Nashville to George Bush Intcntl flights
Nashville to Miami flights
Nashville to Salt Lake City flights
Memphis to Orlando flights
Memphis to O'Hare Intl flights
Nashville to Sky Harbor Intl flights
Memphis to John F Kennedy Intl flights
Nashville to Baltimore flights
Memphis to Newark flights
Memphis to Hobby flights
Memphis to Denver flights
Nashville to Burbank flights
Memphis to Reagan-National flights
Nashville to Reagan-National flights
Nashville to Atlanta flights
Nashville to Tampa flights
Nashville to San Francisco flights
Knoxville to John F Kennedy Intl flights
Memphis to Atlanta flights
Memphis to Dulles Intl flights
Memphis to George Bush Intcntl flights
Nashville to Detroit flights
Nashville to Midway flights
Nashville to San Diego flights
Nashville to Honolulu flights
Memphis to Salt Lake City flights

Top 4 airlines flying from Knoxville to Illinois

Discover the top 4 airlines that operate flights from Knoxville to Illinois. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 3,068,117 searches. Data last updated April 27, 2024.
AirlineCheapestAverageFlexibilityOn-time
Allegiant AirCheapest$79Average$113FlexibilityNo cancel feeOn-time88%
Search Allegiant Air flights
DeltaCheapest$143Average$286FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
American AirlinesCheapest$168Average$383FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
United AirlinesCheapest$168Average$309FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
San Francisco to Beijing flights
Buffalo to New York flights
Pittsburgh to New York flights
Detroit to Fort Lauderdale flights
Charlotte to Dallas flights
Los Angeles to Tokyo flights
Miami to Washington, D.C. flights
Phoenix to Orlando flights
Washington, D.C. to Los Angeles flights
Atlanta to Charlotte flights
Pittsburgh to Boston flights
Knoxville to Indiana flights

Search flights from Knoxville to Illinois by cabin class

Find flights from Knoxville to Illinois, based on your preferred cabin class, be it economy, premium economy, business, or first class.
First Class
Business Class
Prem Econ Class
Economy Class

Hourly flight availability from Knoxville to Illinois

Find hourly flight availability from Knoxville to Illinois. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated April 27, 2024.
1%of flight departuresEarly morningMidnight to 6 am
50%of flight departuresMorning6 am to noon
49%of flight departuresAfternoonNoon to 6 pm
0%of flight departuresEvening6 pm to midnight
Midnight
6 AM
Noon
6 PM

Book a flight to one of these trending destinations

User searches for flights to these destinations increased 20% or more in the past 90 days compared to other destinations
Flights to Perugia Sant Egidio
Flights to Biarritz Parme
Flights to Argostoli Cephalonia
Flights to Melilla
Flights to Milas–Bodrum
Flights to Girona Costa Brava
Flights to Fez Sais
Flights to Zakynthos Dionsios Salomos
Flights to Bourgas
Flights to Bodø
Flights to Reggio Calabria Tito Menniti
Flights to Bastia Poretta
Flights to Skiathos
Flights to Kalamata
Flights to Batumi
Flights to Menorca/Mahon
Flights to Kristiansand Kjevik
Flights to Champaign University-Willard
Flights to Kagoshima
Flights to Ohrid
Flights to Clermont-Ferrand Aulnat
Flights to Parikia Paros
Flights to Lanzhou Arpt
Flights to Mason City

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Knoxville to Illinois?

Cheapflights makes it easy to find Knoxville to Illinois flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

Why should you use Cheapflights to find cheap flight tickets from Knoxville to Illinois?

Millions of users choose and trust Cheapflights to book the best flight deals from Knoxville to Illinois for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

Can Cheapflights find flights from Knoxville to Illinois with no change fees?

Yes! Cheapflights helps users easily find flights from Knoxville to Illinois with no change fees.

Can Cheapflights notify me if prices for flights from Knoxville to Illinois become cheaper?

Yes, Cheapflights offers price alerts on Knoxville to Illinois flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

100% Free
Cheapflights is completely free to use, so you can start saving the moment you arrive.
Book with Flexibility
Our users can plan ahead with confidence and find flights with no change fees
Travel Smart
Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.
View all available airlines