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$132+ 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 6/23. Fares are subject to change and may not be available on all flights or dates of travel.
TYS — SBN
Apr 11 — Apr 181
Sat 4/11
Sat 4/18
1 adult, Economy
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Cheap 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 March 12, 2026.

This Kiwi.com deal was found by Cheapflights users on 3/7. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/169:32 pm
TYS
-
SBN
1 stop12h 27m
Allegiant Air
Sun 4/196:41 pm
SBN
-
TYS
1 stop27h 07m
Allegiant Air
Deal found 3/7$223
This United Airlines deal was found by Cheapflights users on 3/8. 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.
Tue 4/77:00 am
TYS
-
SBN
1 stop4h 04m
United Airlines
Tue 4/144:45 pm
SBN
-
TYS
1 stop5h 58m
United Airlines
Deal found 3/8$229
This Delta deal was found by Cheapflights users on 3/9. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/173:20 pm
TYS
-
SBN
1 stop5h 26m
Delta
Tue 6/238:00 am
SBN
-
TYS
1 stop6h 40m
Delta
Deal found 3/9$244
This American Airlines deal was found by Cheapflights users on 3/8. 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 4/17:02 am
TYS
-
SBN
1 stop4h 13m
American Airlines
Mon 4/67:35 pm
SBN
-
TYS
1 stop4h 15m
American Airlines
Deal found 3/8$254
This United Airlines deal was found by Cheapflights users on 3/11. 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 3/287:00 am
TYS
-
SBN
1 stop5h 38m
United Airlines
Wed 4/19:55 am
SBN
-
TYS
1 stop5h 14m
United Airlines
Deal found 3/11$274
This American Airlines deal was found by Cheapflights users on 3/9. 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 5/16:00 am
TYS
-
SBN
1 stop5h 57m
American Airlines
Sun 5/37:46 pm
SBN
-
TYS
1 stop4h 09m
American Airlines
Deal found 3/9$279
This United Airlines deal was found by Cheapflights users on 3/11. 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.
Thu 3/267:00 am
TYS
-
SBN
1 stop3h 37m
United Airlines
Mon 3/306:20 am
SBN
-
TYS
1 stop3h 48m
United Airlines
Deal found 3/11$287
This United Airlines deal was found by Cheapflights users on 3/7. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/288:20 am
TYS
-
SBN
1 stop4h 06m
United Airlines
Mon 6/13:44 pm
SBN
-
TYS
1 stop5h 12m
United Airlines
Deal found 3/7$289
This Kiwi.com deal was found by Cheapflights users on 3/7. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/258:30 am
TYS
-
SBN
1 stop24h 30m
Allegiant Air
Sun 3/299:10 pm
SBN
-
TYS
1 stop26h 22m
Allegiant Air
Deal found 3/7$290
This Kiwi.com deal was found by Cheapflights users on 3/10. 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.
Sun 3/226:12 pm
TYS
-
SBN
1 stop21h 42m
Multiple Airlines
Sun 3/299:10 pm
SBN
-
TYS
1 stop26h 22m
Multiple Airlines
Deal found 3/10$301
This Kiwi.com deal was found by Cheapflights users on 3/9. 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.
Sun 5/1011:27 am
TYS
-
SBN
1 stop28h 13m
Multiple Airlines
Sat 5/2310:17 am
SBN
-
TYS
1 stop10h 59m
Multiple Airlines
Deal found 3/9$309
This American Airlines deal was found by Cheapflights users on 3/9. 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 3/182:49 pm
TYS
-
SBN
1 stop4h 16m
American Airlines
Sat 3/217:35 pm
SBN
-
TYS
1 stop4h 15m
American Airlines
Deal found 3/9$319

Find 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 March 12, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$223
(Kiwi.com)

One-way from

$132
(Kiwi.com)

Popular in

April

Cheapest in

July

Average price

$308
Provider with most accurate pricing for Knoxville McGhee Tyson-South Bend/Michiana flight deals.
Search Deals
Provider most trusted by Cheapflights users for Knoxville McGhee Tyson-South Bend/Michiana flights.
Search Deals
From Knoxville McGhee Tyson to South Bend/Michiana
Search Deals
One-way flight from Knoxville McGhee Tyson to South Bend/Michiana
Search Deals
Highest demand for flights based on searches. 24% potential increase in price ($79 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 8% potential price decrease ($18 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 2026
Search Deals

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 March 12, 2026.
Use the filters below to find and compare flights from Knoxville to South Bend that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

KnoxvilleSouth Bend

TYS - SBN

TYSSBN

Knoxville McGhee Tyson

Sat 5/9

5:55 pm-11:23 pm

1 stop5h 28m

South Bend/Michiana

Fri 5/29

6:26 pm-12:30 am

1 stop6h 04m

$229

KnoxvilleSouth Bend

TYS - SBN

TYSSBN

Knoxville McGhee Tyson

Mon 5/11

6:01 pm-11:23 pm

1 stop5h 22m

South Bend/Michiana

Thu 5/28

6:26 pm-12:30 am

1 stop6h 04m

$229
Quickest round-trip

KnoxvilleSouth Bend

TYS - SBN

TYSSBN

Knoxville McGhee Tyson

Thu 3/26

7:00 am-10:37 am

1 stop3h 37m

South Bend/Michiana

Mon 3/30

6:20 am-10:08 am

1 stop3h 48m

$287

KnoxvilleSouth Bend

TYS - SBN

TYSSBN

Knoxville McGhee Tyson

Thu 5/28

8:20 am-12:26 pm

1 stop4h 06m

South Bend/Michiana

Mon 6/1

3:44 pm-8:56 pm

1 stop5h 12m

$289

KnoxvilleSouth Bend

TYS - SBN

TYSSBN

Knoxville McGhee Tyson

Wed 3/25

8:30 am-9:00 am

1 stop24h 30m

South Bend/Michiana

Sun 3/29

9:10 pm-11:32 pm

1 stop26h 22m

$290

KnoxvilleSouth Bend

TYS - SBN

TYSSBN

Knoxville McGhee Tyson

Sun 4/5

3:13 pm-9:38 pm

1 stop6h 25m

South Bend/Michiana

Sun 4/12

6:00 am-11:17 am

1 stop5h 17m

$369

KnoxvilleSouth Bend

TYS - SBN

TYSSBN

Knoxville McGhee Tyson

Fri 4/3

7:00 am-11:04 am

1 stop4h 04m

South Bend/Michiana

Mon 4/6

6:15 am-10:08 am

1 stop3h 53m

$400

KnoxvilleSouth Bend

TYS - SBN

TYSSBN

Knoxville McGhee Tyson

Wed 4/1

7:00 am-12:31 pm

1 stop5h 31m

South Bend/Michiana

Mon 4/6

8:25 pm-10:50 am

2 stops14h 25m

$415

KnoxvilleSouth Bend

TYS - SBN

TYSSBN

Knoxville McGhee Tyson

Sat 3/28

7:00 am-10:37 am

1 stop3h 37m

South Bend/Michiana

Wed 4/1

8:25 pm-10:50 am

2 stops14h 25m

$460

KnoxvilleSouth Bend

TYS - SBN

TYSSBN

Knoxville McGhee Tyson

Tue 7/21

8:20 am-12:26 pm

1 stop4h 06m

South Bend/Michiana

Thu 7/23

9:54 am-2:27 pm

1 stop4h 33m

$467

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/9

Showing 1-10 of 22 resultsSorted by cheapest first
1
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3

Compare providers for flights from Knoxville to South Bend

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 South Bend in March.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice 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 Knoxville-South Bend flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Knoxville-South Bend flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Knoxville-South Bend flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Knoxville-South Bend 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-South Bend 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 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, July is the cheapest month in which you can book a flight from Knoxville to South Bend (average of $31). Flying from Knoxville to South Bend in January is currently the most expensive (average of $189). 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 March 12, 2026.

A simple way to save on the total cost of your ticket is to fly from Knoxville to South Bend at noon. If you’re flexible enough to do this you can expect to save up to 86% 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 March 12, 2026.
Peruse reviews from past customers who have flown with United 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.
United Airlines
7.4
Good
9,418 reviews

Comfort

7.3

Entertainment

7.1

Overall

7.4

Boarding

7.7

Crew

8.1

Food

6.6

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
United Airlines
7.4
Good
9,418 reviews
United Airlines
7.4
Good
9,418 reviews

Comfort

7.3

Entertainment

7.1

Overall

7.4

Boarding

7.7

Crew

8.1

Food

6.6

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
Allegiant Air
7.3
Good
714 reviews
United Airlines
7.4
Good
9,418 reviews

Comfort

7.3

Entertainment

7.1

Overall

7.4

Boarding

7.7

Crew

8.1

Food

6.6

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family

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 5h 28m. 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 United Airlines ($208) offers the cheapest pricing from Knoxville to South Bend. Allegiant Air is currently priced 87% below the average price you’ll pay for this route.

  • 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, July is the cheapest month in which you can book a flight from Knoxville to South Bend (average of $31). Flying from Knoxville to South Bend in January is currently the most expensive (average of $189). 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
Plymouth
Mishawaka
Goshen
Elkhart

Browse thousands of different options on Cheapflights for your next trip

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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 March 12, 2026.
AirlineCheapestAverageFlexibilityOn-time
Allegiant AirCheapest$31Average$76FlexibilityNo cancel feeOn-time88%
United AirlinesCheapest$208Average$273FlexibilityNo cancel feeOn-time69%

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