$200 Cheap Flights from South Bend (SBN) to St. Louis (STL)

View $200 flight on Wed, Nov 5, 2025Opens in a new window

Popular airlines from South Bend Intl. Airport (SBN) to St. Louis Lambert Intl. Airport (STL)

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Cheap Flights from South Bend to St. Louis (SBN-STL)

Prices were available within the past 7 days and start at $200 for one-way flights and $219 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Wed, Nov 5 - Sun, Nov 9
SBN
South Bend
STL
St. Louis
$219 Roundtrip, found 6 hours ago
$219
Roundtrip
found 6 hours ago
Select Delta flight, departing Wed, Nov 5 from South Bend to St. Louis, returning Sun, Nov 9, priced at $219 found 6 hours ago
United
Wed, Nov 5 - Sun, Nov 9
SBN
South Bend
STL
St. Louis
$219 Roundtrip, found 6 hours ago
$219
Roundtrip
found 6 hours ago
Select United flight, departing Wed, Nov 5 from South Bend to St. Louis, returning Sun, Nov 9, priced at $219 found 6 hours ago
United
Thu, Oct 23 - Thu, Oct 30
SBN
South Bend
STL
St. Louis
$224 Roundtrip, found 6 days ago
$224
Roundtrip
found 6 days ago
Select United flight, departing Thu, Oct 23 from South Bend to St. Louis, returning Thu, Oct 30, priced at $224 found 6 days ago
Delta
Thu, Jan 15 - Wed, Jan 21
SBN
South Bend
STL
St. Louis
$224 Roundtrip, found 3 days ago
$224
Roundtrip
found 3 days ago
Select Delta flight, departing Thu, Jan 15 from South Bend to St. Louis, returning Wed, Jan 21, priced at $224 found 3 days ago
United
Fri, Nov 21 - Sun, Nov 23
SBN
South Bend
STL
St. Louis
$227 Roundtrip, found 5 days ago
$227
Roundtrip
found 5 days ago
Select United flight, departing Fri, Nov 21 from South Bend to St. Louis, returning Sun, Nov 23, priced at $227 found 5 days ago
Delta
Fri, Nov 28 - Sun, Dec 7
SBN
South Bend
STL
St. Louis
$229 Roundtrip, found 11 hours ago
$229
Roundtrip
found 11 hours ago
Select Delta flight, departing Fri, Nov 28 from South Bend to St. Louis, returning Sun, Dec 7, priced at $229 found 11 hours ago
United
Fri, Nov 7 - Mon, Nov 10
SBN
South Bend
STL
St. Louis
$230 Roundtrip, found 2 days ago
$230
Roundtrip
found 2 days ago
Select United flight, departing Fri, Nov 7 from South Bend to St. Louis, returning Mon, Nov 10, priced at $230 found 2 days ago
United
Fri, Nov 7 - Mon, Nov 10
SBN
South Bend
STL
St. Louis
$233 Roundtrip, found 2 days ago
$233
Roundtrip
found 2 days ago
Select United flight, departing Fri, Nov 7 from South Bend to St. Louis, returning Mon, Nov 10, priced at $233 found 2 days ago
Delta
Tue, Oct 21 - Wed, Oct 29
SBN
South Bend
STL
St. Louis
$234 Roundtrip, found 1 day ago
$234
Roundtrip
found 1 day ago
Select Delta flight, departing Tue, Oct 21 from South Bend to St. Louis, returning Wed, Oct 29, priced at $234 found 1 day ago
American Airlines
Fri, Nov 7 - Mon, Nov 10
SBN
South Bend
STL
St. Louis
$465 Roundtrip, found 2 days ago
$465
Roundtrip
found 2 days ago
Select American Airlines flight, departing Fri, Nov 7 from South Bend to St. Louis, returning Mon, Nov 10, priced at $465 found 2 days ago

Find the cheapest month to fly from South Bend (SBN) to St. Louis (STL)

February is typically the cheapest month to fly

From $218 - $463 per traveler.

Alternative airports near St. Louis

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Lambert-St. Louis Intl. STL. Cheapest option available. Average driving time to city center is 20 minutes. Flights from $219
STL
Lambert-St. Louis Intl.
Cheapest
Average driving time to city center20 min
Flights from $219

Frequently asked questions

How much does a flight from South Bend Intl. Airport (SBN) to Lambert-St. Louis Intl. Airport (STL) cost?
Grab a cheap one-way flight from $200 or cheap return flight from $219 from South Bend Intl. Airport (SBN) to Lambert-St. Louis Intl. Airport (STL) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight deals on this route.
What is the cheapest month to fly from South Bend Intl. Airport (SBN) to Lambert-St. Louis Intl. Airport (STL)?
The cheapest month to fly from SBN to STL is November, when there's less demand. Off-peak months are usually when you'll find lower airfares between these airports.
What is the cheapest airline that flies from South Bend Intl. Airport (SBN) to Lambert-St. Louis Intl. Airport (STL)?
Expedia's filter tool lets you easily compare travel time, airlines and fares all in one place. Customize the search to your preferences, then sort by "Price (lowest to highest)" to find the carrier with the cheapest SBN to STL flight.
How many flights per day from South Bend Intl. Airport (SBN) to Lambert-St. Louis Intl. Airport (STL)?
Nonstop flights from South Bend Intl. Airport (SBN) to Lambert-St. Louis Intl. Airport (STL) aren't available daily, so you'll have to take a flight with a layover. Explore your options with Expedia's filters. Enter your travel dates and click on either "1 Stop" or "2+ Stops."
What day of the week has the most flights from SBN to STL?
You'll generally find Tuesday the quietest day for flights, while Fridays are often the busiest.* However this can vary from season to season and during peak travel times or public holidays.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from South Bend Intl. Airport (SBN) to Lambert-St. Louis Intl. Airport (STL)?
Opt for a flight from South Bend Intl. Airport (SBN) to Lambert-St. Louis Intl. Airport (STL) that takes off before 3 PM to reduce the likelihood of delays. Departures after this hour are on average 22% more likely to be canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from South Bend Intl. Airport (SBN) to Lambert-St. Louis Intl. Airport (STL) last-minute?
Last-minute fares from SBN to STL are typically more expensive. For the best rates, start searching for flights well in advance. That said, if you're flexible with your travel plans, you may score a cheap fare just before your departure.
Is it cheaper to book a SBN to STL flight and hotel package?
Opting for a SBN to STL flight and hotel package is generally cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your trip in one place. Pick from our wide range of hotels and then add car rentals, activities and flights to your booking. Bundle it all together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from South Bend Intl. Airport (SBN) to Lambert-St. Louis Intl. Airport (STL)?
In most cases, you're able to reschedule or cancel your SBN to STL flight. However, additional charges may apply, especially if you made your booking over 24 hours ago. Double-check your itinerary for the airline's policies and fees on flight changes, or if you want further details, go to our Customer Service portal.

Travel information

Origin airport
South Bend Intl.
Destination airport
Lambert-St. Louis Intl.
Airlines serving
American Airlines, Delta, United
Roundtrip price
$218
Distance
295 mi

Book with confidence

South Bend to St. Louis Flights

The cheapest times to fly from South Bend to St. Louis

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from South Bend to St. Louis are during the month of November. You can find some of the cheapest flights from South Bend to St. Louis with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from South Bend to St. Louis

Sunday is one of the best days to book for cheap flights from South Bend to St. Louis: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from South Bend to St. Louis

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from South Bend to St. Louis in 2025. You can also book with separate airlines for your outbound and return journeys, from $200 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap South Bend to St. Louis flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your South Bend to St. Louis airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

South Bend to St. Louis Flights

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*Available to One Key members.