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$721+ Cheap flights from Springfield, IL to Knoxville (SPI - TYS)

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 3/19. Fares are subject to change and may not be available on all flights or dates of travel.
SPI — TYS
Jan 25 — Feb 11
Sun 1/25
Sun 2/1
1 adult, Economy
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Cheap flight deals from Springfield to Knoxville

Best flights from Springfield to Knoxville
Discover carefully curated flight deals from Springfield to Knoxville that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 26, 2025.

This American Airlines deal was found by Cheapflights users on 12/24. 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 3/195:00 amSPI - TYS
1 stop4h 45mAmerican Airlines
Sun 3/228:24 amTYS - SPI
2 stops10h 41mAmerican Airlines
Deal found 12/24$721

Find flight deals from Springfield to Knoxville

Discover tips and strategies to find the most affordable flight options for your journey from Springfield (SPI) to Knoxville (TYS). 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 December 26, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$721
(American Airlines)
Provider with most accurate pricing for Springfield Capital-Knoxville McGhee Tyson flight deals.
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Provider most trusted by Cheapflights users for Springfield Capital-Knoxville McGhee Tyson flights.
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From Springfield Capital to Knoxville McGhee Tyson
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Springfield to Knoxville 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 2,558,603 searches. Data last updated December 26, 2025.
Use the filters below to find and compare flights from Springfield to Knoxville that are best for you.

Fly from

Springfield

Fly to

Knoxville

Route

Depart

Return

Price

SpringfieldKnoxville

SPI - TYS

SPITYS

Springfield Capital

Thu 3/19

5:00 am-10:45 am

1 stop4h 45m

Knoxville McGhee Tyson

Sun 3/22

8:24 am-6:05 pm

2 stops10h 41m

$721

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/24

Compare providers for flights from Springfield to Knoxville

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 Springfield to Knoxville in December.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*1 star
ExpediaPrice Accuracy2 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Springfield, Illinois-Knoxville flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Springfield, Illinois-Knoxville flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Springfield, Illinois-Knoxville flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Springfield, Illinois-Knoxville flights, Cheapflights users trust eDreams the most. eDreams 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 Springfield, Illinois-Knoxville 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 Springfield to Knoxville

Have a flexible travel schedule? Discover the best time to fly to Knoxville from Springfield with our price prediction graph.
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.

Cheapflights Insights

Everything you need to know about your flight from Springfield to Knoxville

What is the cheapest month to book a flight from Springfield, Illinois to Knoxville?

Currently, August is the cheapest month in which you can book a flight from Springfield, Illinois to Knoxville (average of $149). Flying from Springfield, Illinois to Knoxville in November is currently the most expensive (average of $250). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Reviews of airlines servicing Knoxville

Get insights into the airlines that provide service to Knoxville. 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 Knoxville. Reviews last updated December 26, 2025.
Read through reviews of airlines operating flights from Springfield to Knoxville, such as American Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
American Airlines
7.2
Good
11,062 reviews

Boarding

7.5

Crew

8.0

Food

6.5

Overall

7.2

Entertainment

6.9

Comfort

7.2

Reviews

1 / 20
10.0
Excellent

Jeremy,Dec 2025

OKC - CLT

Was an okay flight. Had extra seat empty beside me so was able to stretch a bit
American Airlines
7.2
Good
11,062 reviews
American Airlines
7.2
Good
11,062 reviews

Boarding

7.5

Crew

8.0

Food

6.5

Overall

7.2

Entertainment

6.9

Comfort

7.2

Reviews

1 / 20
10.0
Excellent

Jeremy,Dec 2025

OKC - CLT

Was an okay flight. Had extra seat empty beside me so was able to stretch a bit

Related info for your journey

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

  • How long is the flight from Springfield, Illinois to Knoxville?

    Departing from Springfield, Illinois to Knoxville will take you 4h 45m. Springfield, Illinois and Knoxville are separated by a distance of 417 mi.

  • What is the cheapest airline to fly from Springfield, Illinois to Knoxville round-trip?

    American Airlines, at $396, was found to be the cheapest airline from Springfield, Illinois to Knoxville..

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

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

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

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

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

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

  • What is the cheapest month to book a flight from Springfield, Illinois to Knoxville?

    Currently, August is the cheapest month in which you can book a flight from Springfield, Illinois to Knoxville (average of $149). Flying from Springfield, Illinois to Knoxville in November is currently the most expensive (average of $250). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Knoxville?

Book flights to Knoxville if you plan to visit one of these locations
Cherokee
Crossville
Corbin
Morristown
Bryson City
Alcoa
Oak Ridge
Murphy

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Top airline flying from Springfield to Knoxville

Discover the top airline that operate flights from Springfield to Knoxville. 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 2,558,603 searches. Data last updated December 26, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$396Average$497FlexibilityNo cancel feeOn-time71%

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