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$139+ Cheap flights from Knoxville to South Bend (TYS - SBN)

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 10/9. Fares are subject to change and may not be available on all flights or dates of travel.
TYS — SBN
Oct 13 — Oct 201
Mon 10/13
Mon 10/20
1 adult, Economy
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Cheap flight deals from Knoxville to South Bend

Discover tips and strategies to find the most affordable flight options for your journey from Knoxville (TYS) to South Bend (SBN). 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 September 13, 2025.

Round-trip from

$209
(Delta)

One-way from

$139
(United Airlines)

Popular in

March

Cheapest in

July

Average price

$353

Good round-trip deal

$39 or less

Good one-way deal

$56 or less
From Knoxville McGhee Tyson to South Bend/Michiana
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One-way flight from Knoxville McGhee Tyson to South Bend/Michiana
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Highest demand for flights based on searches. 42% potential increase in price ($159 potential increase over avg. RT price).
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Cheapest flight prices on average. 10% potential price decrease ($20 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Price to beat on a round-trip flight from Knoxville McGhee Tyson to South Bend/Michiana.
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Price to beat on a one-way flight from Knoxville McGhee Tyson to South Bend/Michiana.
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Find flight deals from Knoxville to South Bend

Cheapest flights from Knoxville to South Bend
Explore the most affordable flight options available from Knoxville to South Bend. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 13, 2025.

This United Airlines deal was found by Cheapflights users on 9/11. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/117:00 amTYS - SBN
1 stop3h 56mUnited Airlines
Tue 10/146:12 pmSBN - TYS
1 stop4h 38mUnited Airlines
Deal found 9/11$209
This United Airlines deal was found by Cheapflights users on 9/11. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/2610:51 amTYS - SBN
1 stop6h 45mUnited Airlines
Tue 9/306:05 amSBN - TYS
1 stop4h 05mUnited Airlines
Deal found 9/11$229
This United Airlines deal was found by Cheapflights users on 9/12. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/247:00 amTYS - SBN
1 stop5h 36mUnited Airlines
Sun 9/286:05 amSBN - TYS
1 stop4h 05mUnited Airlines
Deal found 9/12$244
This Kiwi.com deal was found by Cheapflights users on 9/11. 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 9/188:30 amTYS - SBN
1 stop24h 31mAllegiant Air
Thu 9/257:15 pmSBN - TYS
1 stop17h 17mAllegiant Air
Deal found 9/11$337
This Kiwi.com deal was found by Cheapflights users on 9/11. 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 10/99:15 pmTYS - SBN
1 stop22h 16mAllegiant Air
Thu 10/167:17 pmSBN - TYS
1 stop24h 47mAllegiant Air
Deal found 9/11$393
This Kiwi.com deal was found by Cheapflights users on 9/11. 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.
Mon 10/136:00 amTYS - SBN
1 stop9h 03mAllegiant Air
Thu 10/167:17 pmSBN - TYS
1 stop24h 47mAllegiant Air
Deal found 9/11$416
This Kiwi.com deal was found by Cheapflights users on 9/11. 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 9/1812:08 pmTYS - SBN
2 stops26h 18mMultiple Airlines
Thu 9/257:15 pmSBN - TYS
1 stop17h 17mMultiple Airlines
Deal found 9/11$478
This Kiwi.com deal was found by Cheapflights users on 9/12. 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.
Wed 9/244:31 pmTYS - SBN
2 stops29h 03mMultiple Airlines
Sun 9/287:15 pmSBN - TYS
1 stop17h 17mMultiple Airlines
Deal found 9/12$503

Cheapflights Fare Finder

 
Customize your flight search to find flights from Knoxville to South Bend 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 September 13, 2025.
Use the filters below to find and compare flights from Knoxville to South Bend that are best for you.

Fly from

Knoxville

Fly to

South Bend

Route

Depart

Return

Price

KnoxvilleSouth Bend

TYS - SBN

TYSSBN

Knoxville McGhee Tyson

Thu 11/13

5:25 am-11:31 am

1 stop6h 06m

South Bend/Michiana

Sat 11/15

2:45 pm-8:00 pm

1 stop5h 15m

$209

KnoxvilleSouth Bend

TYS - SBN

TYSSBN

Knoxville McGhee Tyson

Sat 10/11

7:00 am-10:56 am

1 stop3h 56m

South Bend/Michiana

Tue 10/14

6:12 pm-10:50 pm

1 stop4h 38m

$209

KnoxvilleSouth Bend

TYS - SBN

TYSSBN

Knoxville McGhee Tyson

Wed 2/18

7:30 am-1:50 pm

1 stop6h 20m

South Bend/Michiana

Sat 2/21

5:25 pm-9:43 pm

1 stop4h 18m

$209

KnoxvilleSouth Bend

TYS - SBN

TYSSBN

Knoxville McGhee Tyson

Fri 9/26

10:51 am-5:36 pm

1 stop6h 45m

South Bend/Michiana

Tue 9/30

6:05 am-10:10 am

1 stop4h 05m

$229

KnoxvilleSouth Bend

TYS - SBN

TYSSBN

Knoxville McGhee Tyson

Wed 9/24

7:00 am-12:36 pm

1 stop5h 36m

South Bend/Michiana

Sun 9/28

6:05 am-10:10 am

1 stop4h 05m

$244

KnoxvilleSouth Bend

TYS - SBN

TYSSBN

Knoxville McGhee Tyson

Thu 10/9

9:15 pm-7:31 pm

1 stop22h 16m

South Bend/Michiana

Thu 10/16

7:17 pm-8:04 pm

1 stop24h 47m

$393

KnoxvilleSouth Bend

TYS - SBN

TYSSBN

Knoxville McGhee Tyson

Mon 10/13

6:00 am-3:03 pm

1 stop9h 03m

South Bend/Michiana

Thu 10/16

7:17 pm-8:04 pm

1 stop24h 47m

$416

KnoxvilleSouth Bend

TYS - SBN

TYSSBN

Knoxville McGhee Tyson

Thu 10/9

8:50 am-2:46 pm

1 stop5h 56m

$139

KnoxvilleSouth Bend

TYS - SBN

TYSSBN

Knoxville McGhee Tyson

Sun 9/21

8:30 am-9:31 am

1 stop25h 01m

$231

KnoxvilleSouth Bend

TYS - SBN

TYSSBN

Knoxville McGhee Tyson

Sun 9/21

10:09 am-4:09 pm

2 stops30h 00m

$261

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/12

Showing 1-10 of 15 results
1
2

Best time to book a flight from Knoxville to South Bend

Have a flexible travel schedule? Discover the best time to fly to South Bend from Knoxville 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 Knoxville to South Bend

What is the cheapest month to book a flight from Knoxville to South Bend?

Currently, January is the cheapest month in which you can book a flight from Knoxville to South Bend (average of $328). Flying from Knoxville to South Bend in July is currently the most expensive (average of $414). 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.

What is the cheapest time of day to fly from TYS to SBN?

Find hourly flight availability from Knoxville to South Bend. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 13, 2025.

A simple way to save on the total cost of your ticket is to fly from Knoxville to South Bend in the evening. If you’re flexible enough to do this you can expect to save up to 71% on your trip compared to booking a flight in the morning.

How much does it cost to fly round-trip from Knoxville to South Bend?

Reviews of airlines servicing South Bend

Get insights into the airlines that provide service to South Bend. 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 South Bend. Reviews last updated September 13, 2025.
Peruse reviews from past customers who have flown with American Airlines and Allegiant Air from Knoxville to South Bend to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
American Airlines
7.2
Good
10,000 reviews

Comfort

7.2

Crew

8.0

Food

6.4

Boarding

7.5

Overall

7.2

Entertainment

6.9

Reviews

1 / 20
2.0
Mediocre

Jeremy,Sep 2025

SAN - PHL

Terrible. Bad customer service and unacceptable delay on the tarmac
American Airlines
7.2
Good
10,000 reviews
American Airlines
7.2
Good
10,000 reviews

Comfort

7.2

Crew

8.0

Food

6.4

Boarding

7.5

Overall

7.2

Entertainment

6.9

Reviews

1 / 20
2.0
Mediocre

Jeremy,Sep 2025

SAN - PHL

Terrible. Bad customer service and unacceptable delay on the tarmac
Allegiant Air
7.2
Good
702 reviews
American Airlines
7.2
Good
10,000 reviews

Comfort

7.2

Crew

8.0

Food

6.4

Boarding

7.5

Overall

7.2

Entertainment

6.9

Reviews

1 / 20
2.0
Mediocre

Jeremy,Sep 2025

SAN - PHL

Terrible. Bad customer service and unacceptable delay on the tarmac

Related info for your journey

Find useful and relevant information for your journey from Knoxville to South Bend. 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 Knoxville to South Bend?

    Departing from Knoxville to South Bend will take you 3h 56m. Airlines will cover a distance of 426 mi. This flight may include one or multiple stops.

  • What are the cheapest airlines flying from Knoxville to South Bend round-trip?

    According to our current data, Allegiant Air ($31), and American Airlines ($227) offers the cheapest pricing from Knoxville to South Bend. Allegiant Air is currently priced 85% below the average price you’ll pay for this route.

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

    The cheapest airline one-way is United Airlines, with whom users have recently found tickets for as low as $139. However, be on the lookout for offers from Allegiant Air and American Airlines, as they are both options that can get you from Knoxville to South Bend for a low price.

  • What are the cheapest flights from Knoxville to South Bend?

    On average you can expect to pay $86 for a flight from Knoxville to South Bend. The cheapest flight overall is $38 while the most popular route, (Knoxville McGhee Tyson - South Bend/Michiana) is currently priced at $209.

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

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

  • How can I find direct flights from Knoxville to South Bend?

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

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

    Yes. Cheapflights offers flight deals from Knoxville to South Bend 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 Knoxville to South Bend?

    Currently, January is the cheapest month in which you can book a flight from Knoxville to South Bend (average of $328). Flying from Knoxville to South Bend in July is currently the most expensive (average of $414). 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 South Bend?

Book flights to South Bend if you plan to visit one of these locations
Elkhart
Mishawaka
Goshen

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Top 2 airlines flying from Knoxville to South Bend

Discover the top 2 airlines that operate flights from Knoxville to South Bend. 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 September 13, 2025.
AirlineCheapestAverageFlexibilityOn-time
Allegiant AirCheapest$31Average$78FlexibilityNo cancel feeOn-time88%
American AirlinesCheapest$227Average$318FlexibilityNo cancel feeOn-time71%

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