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St. Louis

$187+ Cheap flights from South Bend to St. Louis (SBN - STL)

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 3/6. Fares are subject to change and may not be available on all flights or dates of travel.
SBN — STL
Jan 3 — Jan 101
Sat 1/3
Sat 1/10
1 adult, Economy
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Cheap flight deals from South Bend to St. Louis

Cheapest flights from South Bend to St. Louis
Explore the most affordable flight options available from South Bend to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 4, 2025.

This Kiwi.com deal was found by Cheapflights users on 12/3. 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 12/1212:48 pmSBN - STL
1 stop10h 45mMultiple Airlines
Sun 12/149:54 amSTL - SBN
1 stop25h 14mMultiple Airlines
Deal found 12/3$210
This Delta deal was found by Cheapflights users on 12/2. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/172:37 pmSBN - STL
1 stop3h 33mDelta
Sun 12/216:00 amSTL - SBN
1 stop4h 48mDelta
Deal found 12/2$249
This Delta deal was found by Cheapflights users on 12/4. 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.
Thu 12/412:30 pmSBN - STL
1 stop6h 26mDelta
Mon 12/85:34 pmSTL - SBN
1 stop4h 06mDelta
Deal found 12/4$289
This Delta deal was found by Cheapflights users on 12/4. 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.
Thu 12/42:37 pmSBN - STL
1 stop3h 33mDelta
Sat 12/68:00 amSTL - SBN
2 stops11h 52mDelta
Deal found 12/4$294
This Delta deal was found by Cheapflights users on 12/4. 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.
Fri 12/52:37 pmSBN - STL
2 stops10h 05mDelta
Sat 12/61:35 pmSTL - SBN
2 stops6h 17mDelta
Deal found 12/4$299
This Delta deal was found by Cheapflights users on 12/4. 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.
Thu 12/48:10 amSBN - STL
2 stops13h 07mDelta
Sun 12/72:38 pmSTL - SBN
1 stop5h 14mDelta
Deal found 12/4$519
This United Airlines deal was found by Cheapflights users on 12/2. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/94:53 pmSBN - STL
1 stop3h 24mUnited Airlines
Thu 12/115:27 pmSTL - SBN
1 stop3h 10mUnited Airlines
Deal found 12/2$637
This Delta deal was found by Cheapflights users on 12/2. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/94:56 pmSBN - STL
1 stop6h 01mDelta
Thu 12/116:00 amSTL - SBN
2 stops6h 57mDelta
Deal found 12/2$642

Find flight deals from South Bend to St. Louis

Discover tips and strategies to find the most affordable flight options for your journey from South Bend (SBN) to St. Louis (STL). 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 4, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$219
(Delta)

One-way from

$187
(Kiwi.com)

Popular in

March

Cheapest in

January

Average price

$298
Provider with most accurate pricing for South Bend/Michiana-Lambert-St Louis flight deals.
Search Deals
Provider most trusted by Cheapflights users for South Bend/Michiana-Lambert-St Louis flights.
Search Deals
From South Bend/Michiana to Lambert-St Louis
Search Deals
One-way flight from South Bend/Michiana to Lambert-St Louis
Search Deals
Highest demand for flights based on searches. 13% potential increase in price ($48 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($14 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from South Bend to St. Louis 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 4, 2025.
Use the filters below to find and compare flights from South Bend to St. Louis that are best for you.

Fly from

South Bend

Fly to

St. Louis

Route

Depart

Return

Price

South BendSt. Louis

SBN - STL

SBNSTL

South Bend/Michiana

Sat 1/10

7:15 am-10:41 am

1 stop4h 26m

Lambert-St Louis

Wed 1/14

6:35 am-2:11 pm

1 stop6h 36m

$219

South BendSt. Louis

SBN - STL

SBNSTL

South Bend/Michiana

Fri 1/9

2:45 pm-11:25 pm

2 stops9h 40m

Lambert-St Louis

Mon 1/12

6:35 am-2:11 pm

1 stop6h 36m

$224

South BendSt. Louis

SBN - STL

SBNSTL

South Bend/Michiana

Wed 12/17

2:37 pm-5:10 pm

1 stop3h 33m

Lambert-St Louis

Sun 12/21

6:00 am-11:48 am

1 stop4h 48m

$249

South BendSt. Louis

SBN - STL

SBNSTL

South Bend/Michiana

Fri 1/9

11:47 am-2:30 pm

1 stop3h 43m

Lambert-St Louis

Mon 1/12

6:40 pm-11:30 pm

1 stop3h 50m

$250

South BendSt. Louis

SBN - STL

SBNSTL

South Bend/Michiana

Thu 2/19

8:53 pm-7:50 am

1 stop11h 57m

Lambert-St Louis

Sun 2/22

10:42 am-9:14 am

2 stops21h 32m

$275

South BendSt. Louis

SBN - STL

SBNSTL

South Bend/Michiana

Sat 1/17

9:15 am-12:29 pm

1 stop4h 14m

Lambert-St Louis

Wed 1/21

9:57 am-4:06 pm

1 stop5h 09m

$279

South BendSt. Louis

SBN - STL

SBNSTL

South Bend/Michiana

Thu 2/19

8:15 pm-10:59 pm

1 stop3h 44m

Lambert-St Louis

Sun 2/22

6:30 am-11:13 am

1 stop3h 43m

$294

South BendSt. Louis

SBN - STL

SBNSTL

South Bend/Michiana

Fri 1/16

9:15 am-2:30 pm

1 stop6h 15m

Lambert-St Louis

Mon 1/19

4:49 pm-9:40 pm

1 stop3h 51m

$324

South BendSt. Louis

SBN - STL

SBNSTL

South Bend/Michiana

Thu 2/19

8:16 am-5:42 pm

2 stops10h 26m

Lambert-St Louis

Sun 2/22

6:35 am-1:33 pm

1 stop5h 58m

$354

South BendSt. Louis

SBN - STL

SBNSTL

South Bend/Michiana

Fri 3/6

4:39 pm-7:13 am

2 stops15h 34m

$187

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/1

Showing 1-10 of 16 results
1
2

Compare providers for flights from South Bend to St. Louis

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 South Bend to St. Louis in December.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
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 South Bend-St. Louis flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on South Bend-St. Louis flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from South Bend-St. Louis flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on South Bend-St. Louis 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 South Bend-St. Louis 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 South Bend to St. Louis

Have a flexible travel schedule? Discover the best time to fly to St. Louis from South Bend 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 South Bend to St. Louis

What is the cheapest month to book a flight from South Bend to St. Louis?

Currently, August is the cheapest month in which you can book a flight from South Bend to St. Louis (average of $77). Flying from South Bend to St. Louis in July is currently the most expensive (average of $172). 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 SBN to STL?

Find hourly flight availability from South Bend to St. Louis. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 4, 2025.

One of the essential ways to save on airfare from South Bend to St. Louis is to remain as flexible as possible. Flights that are at noon tend to be the most expensive. A flight in the evening could potentially save you up to 32% on airfare.

Reviews of airlines servicing St. Louis

Get insights into the airlines that provide service to St. Louis. 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 St. Louis. Reviews last updated December 4, 2025.
See what other customers who have flown with Delta and United Airlines from South Bend to St. Louis have to say. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
8,011 reviews

Comfort

7.9

Overall

7.9

Crew

8.5

Boarding

8.1

Food

7.3

Entertainment

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Delta
7.9
Good
8,011 reviews
Delta
7.9
Good
8,011 reviews

Comfort

7.9

Overall

7.9

Crew

8.5

Boarding

8.1

Food

7.3

Entertainment

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
United Airlines
7.4
Good
9,066 reviews
Delta
7.9
Good
8,011 reviews

Comfort

7.9

Overall

7.9

Crew

8.5

Boarding

8.1

Food

7.3

Entertainment

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Related info for your journey

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

    Delta can get you from South Bend to St. Louis in just under 4h 26m. Your travel time can differ by up to . The distance from South Bend to St. Louis is about 295 mi.

  • What are the cheapest airlines flying from South Bend to St. Louis round-trip?

    According to our current data, Delta ($218), and United Airlines ($238) offers the cheapest pricing from South Bend to St. Louis. Delta is currently priced 29% below the average price you’ll pay for this route.

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

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

  • How can I find direct flights from South Bend to St. Louis?

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

  • Can I find deals for business class flights from South Bend to St. Louis?

    Yes. Cheapflights offers flight deals from South Bend to St. Louis 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 South Bend to St. Louis?

    Currently, August is the cheapest month in which you can book a flight from South Bend to St. Louis (average of $77). Flying from South Bend to St. Louis in July is currently the most expensive (average of $172). 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 St. Louis?

Book flights to St. Louis if you plan to visit one of these locations
Edwardsville
O'Fallon
Fairview Heights
Maryland Heights
Collinsville
Swansea
Eureka
Glencoe
St. Peters
Chesterfield
Alton
Farmington
Festus

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Alternative routes for South Bend to St. Louis

See prices for flight routes from nearby airports that may be better suited for you.
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Top 2 airlines flying from South Bend to St. Louis

Discover the top 2 airlines that operate flights from South Bend to St. Louis. 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 4, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$218Average$258FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$238Average$364FlexibilityNo cancel feeOn-time69%

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