$171+ Cheap flights from Knoxville to Springfield, IL (TYS - SPI)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/4. Fares are subject to change and may not be available on all flights or dates of travel.
TYS — SPI
Dec 7 — Dec 141
Round-trip
1 adult, Economy
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Find cheap flights from Knoxville to Springfield with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Knoxville to Springfield
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Cheapest flights from Knoxville to SpringfieldExplore the most affordable flight options available from Knoxville to Springfield. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 7, 2026.
Explore the most affordable flight options available from Knoxville to Springfield. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 7, 2026.
This American Airlines deal was found by Cheapflights users on 11/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/311:22 am -
1 stop4h 18m
Sun 12/66:00 am -
1 stop3h 51m
Deal found 11/5![American Airlines logo]()
$463
This American Airlines deal was found by Cheapflights users on 11/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/178:52 pm -
1 stop4h 18m
Sat 11/213:01 pm -
2 stops7h 58m
Deal found 11/2![American Airlines logo]()
$494
This American Airlines deal was found by Cheapflights users on 11/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/43:46 pm -
2 stops9h 36m
Fri 12/116:00 am -
2 stops9h 13m
Deal found 11/6![American Airlines logo]()
$575
This American Airlines deal was found by Cheapflights users on 11/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/227:01 am -
2 stops8h 30m
Thu 11/265:12 am -
1 stop4h 46m
Deal found 11/7![American Airlines logo]()
$727
This American Airlines deal was found by Cheapflights users on 11/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/258:50 pm -
1 stop4h 23m
Sun 11/295:11 am -
2 stops9h 26m
Deal found 11/7![American Airlines logo]()
$741
Best flights from Knoxville to SpringfieldDiscover carefully curated flight deals from Knoxville to Springfield that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated November 7, 2026.
Discover carefully curated flight deals from Knoxville to Springfield that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated November 7, 2026.
This American Airlines deal was found by Cheapflights users on 11/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/48:46 pm -
1 stop4h 36m
Fri 12/116:00 am -
1 stop4h 02m
Deal found 11/6![American Airlines logo]()
$463
This American Airlines deal was found by Cheapflights users on 11/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/311:22 am -
1 stop4h 18m
Sun 12/66:00 am -
1 stop3h 51m
Deal found 11/5![American Airlines logo]()
$463
This American Airlines deal was found by Cheapflights users on 11/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/178:52 pm -
1 stop4h 18m
Sat 11/213:01 pm -
2 stops7h 58m
Deal found 11/2![American Airlines logo]()
$494
This American Airlines deal was found by Cheapflights users on 11/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/227:01 am -
2 stops8h 30m
Thu 11/265:12 am -
1 stop4h 46m
Deal found 11/7![American Airlines logo]()
$727
This American Airlines deal was found by Cheapflights users on 11/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/258:50 pm -
1 stop4h 23m
Sun 11/295:11 am -
1 stop4h 47m
Deal found 11/7![American Airlines logo]()
$764
Last-minute flights from Knoxville to SpringfieldDiscover last-minute flight deals from Knoxville to Springfield. Data last updated November 7, 2026 and is based on user searches.
Discover last-minute flight deals from Knoxville to Springfield. Data last updated November 7, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 11/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/178:52 pm -
1 stop4h 18m
Sat 11/213:01 pm -
2 stops7h 58m
Deal found 11/2![American Airlines logo]()
$494
This American Airlines deal was found by Cheapflights users on 11/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/227:01 am -
2 stops8h 30m
Thu 11/265:12 am -
1 stop4h 46m
Deal found 11/7![American Airlines logo]()
$727
This American Airlines deal was found by Cheapflights users on 11/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/258:50 pm -
1 stop4h 23m
Sun 11/295:11 am -
2 stops9h 26m
Deal found 11/7![American Airlines logo]()
$741
This American Airlines deal was found by Cheapflights users on 11/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/311:22 am -
1 stop4h 18m
Sun 12/66:00 am -
1 stop3h 51m
Deal found 11/5![American Airlines logo]()
$463
This American Airlines deal was found by Cheapflights users on 11/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/43:46 pm -
2 stops9h 36m
Fri 12/116:00 am -
2 stops9h 13m
Deal found 11/6![American Airlines logo]()
$575
One-way flights from Knoxville to SpringfieldSearch for one-way flight options from Knoxville to Springfield. Find affordable one-way fares based on user searches. Data last updated November 7, 2026.
Search for one-way flight options from Knoxville to Springfield. Find affordable one-way fares based on user searches. Data last updated November 7, 2026.
This Kiwi.com deal was found by Cheapflights users on 11/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/42:12 pm -
1 stop21h 11m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/6![Allegiant Air logo]()
$171
This Kiwi.com deal was found by Cheapflights users on 11/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/48:00 am -
2 stops36h 58m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/6![Multiple Airlines logo]()
$286
This Kiwi.com deal was found by Cheapflights users on 11/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/38:55 pm -
3 stops38h 28m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/6![Allegiant Air logo]()
$360
This American Airlines deal was found by Cheapflights users on 11/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/28:46 pm -
1 stop4h 36m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/6![American Airlines logo]()
$469
This American Airlines deal was found by Cheapflights users on 11/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/311:22 am -
1 stop4h 18m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/6![American Airlines logo]()
$504
Find flight deals from Knoxville to Springfield
Discover tips and strategies to find the most affordable flight options for your journey from Knoxville (TYS) to Springfield (SPI). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated November 7, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $463 (American Airlines) |
One-way from | $171 (Kiwi.com) |
Cheapflights Fare Finder
Customize your flight search to find flights from Knoxville to Springfield 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 7,457,451 searches. Data last updated November 7, 2026.
Use the filters below to find and compare flights from Knoxville to Springfield that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
KnoxvilleSpringfield
TYS Knoxville McGhee Tyson - SPI Springfield Capital
TYSSPI
Knoxville McGhee Tyson
Fri 12/4
2:12 pm-10:23 am
1 stop21h 11m
Springfield Capital
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$171
KnoxvilleSpringfield
TYS Knoxville McGhee Tyson - SPI Springfield Capital
TYSSPI
Knoxville McGhee Tyson
Thu 12/3
8:55 pm-10:23 am
3 stops38h 28m
Springfield Capital
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$360
KnoxvilleSpringfield
TYS Knoxville McGhee Tyson - SPI Springfield Capital
TYSSPI
Knoxville McGhee Tyson
Fri 12/4
8:46 pm-12:22 am
1 stop4h 36m
Springfield Capital
Fri 12/11
6:00 am-11:02 am
1 stop4h 02m
$463
KnoxvilleSpringfield
TYS Knoxville McGhee Tyson - SPI Springfield Capital
TYSSPI
Knoxville McGhee Tyson
Thu 12/3
11:22 am-2:40 pm
1 stop4h 18m
Springfield Capital
Sun 12/6
6:00 am-10:51 am
1 stop3h 51m
$463
Quickest round-trip
KnoxvilleSpringfield
TYS Knoxville McGhee Tyson - SPI Springfield Capital
TYSSPI
Knoxville McGhee Tyson
Wed 1/6
12:02 pm-2:54 pm
1 stop3h 52m
Springfield Capital
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$469
KnoxvilleSpringfield
TYS Knoxville McGhee Tyson - SPI Springfield Capital
TYSSPI
Knoxville McGhee Tyson
Wed 12/2
6:00 am-2:40 pm
2 stops9h 40m
Springfield Capital
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$474
KnoxvilleSpringfield
TYS Knoxville McGhee Tyson - SPI Springfield Capital
TYSSPI
Knoxville McGhee Tyson
Tue 11/17
8:52 pm-12:10 am
1 stop4h 18m
Springfield Capital
Sat 11/21
3:01 pm-11:59 pm
2 stops7h 58m
$494
KnoxvilleSpringfield
TYS Knoxville McGhee Tyson - SPI Springfield Capital
TYSSPI
Knoxville McGhee Tyson
Thu 12/3
3:46 pm-12:22 am
2 stops9h 36m
Springfield Capital
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$509
KnoxvilleSpringfield
TYS Knoxville McGhee Tyson - SPI Springfield Capital
TYSSPI
Knoxville McGhee Tyson
Sun 11/22
7:01 am-2:31 pm
2 stops8h 30m
Springfield Capital
Thu 11/26
5:12 am-10:58 am
1 stop4h 46m
$727
KnoxvilleSpringfield
TYS Knoxville McGhee Tyson - SPI Springfield Capital
TYSSPI
Knoxville McGhee Tyson
Wed 11/25
8:50 pm-12:13 am
1 stop4h 23m
Springfield Capital
Sun 11/29
5:11 am-10:58 am
1 stop4h 47m
$764
Sorted by cheapest first
Compare providers for flights from Knoxville to Springfield
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Knoxville to Springfield in November.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Knoxville-Springfield, Illinois flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Knoxville-Springfield, Illinois flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Knoxville-Springfield, Illinois flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Knoxville-Springfield, Illinois flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Knoxville-Springfield, Illinois flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from Knoxville to Springfield
Have a flexible travel schedule? Discover the best time to fly to Springfield from Knoxville with our price prediction graph.
TYS-SPI
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Related info for your journey
Find useful and relevant information for your journey from Knoxville to Springfield. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near Springfield?
Book flights to Springfield if you plan to visit one of these locationsLincoln
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