A large brick building with a tower, a lawn, and a flowering tree.

$175 Cheap Flights from St. Louis (STL) to South Bend (SBN)

View $175 flight on Thu, Sep 10, 2026Opens in a new window

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

  • Be in the know

    Get alerts if flight prices drop or rise*

  • Book smarter

    Save up to 30% on select hotels after you book a flight*

  • Earn twice

    Earn your airline miles on top of our OneKeyCash
    Learn about One Key

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

Prices were available within the past 7 days and start at $175 for one-way flights and $280 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Fri, Aug 21 - Fri, Aug 28
STL
St. Louis
SBN
South Bend
$280 Roundtrip, found 1 day ago
$280
Roundtrip
found 1 day ago
Select American Airlines flight, departing Fri, Aug 21 from St. Louis to South Bend, returning Fri, Aug 28, priced at $280 found 1 day ago
Delta
Tue, Nov 3 - Sat, Nov 7
STL
St. Louis
SBN
South Bend
$289 Roundtrip, found 2 days ago
$289
Roundtrip
found 2 days ago
Select Delta flight, departing Tue, Nov 3 from St. Louis to South Bend, returning Sat, Nov 7, priced at $289 found 2 days ago
United
Fri, Sep 4 - Mon, Sep 7
STL
St. Louis
SBN
South Bend
$289 Roundtrip, found 7 hours ago
$289
Roundtrip
found 7 hours ago
Select United flight, departing Fri, Sep 4 from St. Louis to South Bend, returning Mon, Sep 7, priced at $289 found 7 hours ago
American Airlines
Fri, Sep 4 - Mon, Sep 7
STL
St. Louis
SBN
South Bend
$290 Roundtrip, found 7 hours ago
$290
Roundtrip
found 7 hours ago
Select American Airlines flight, departing Fri, Sep 4 from St. Louis to South Bend, returning Mon, Sep 7, priced at $290 found 7 hours ago
United
Fri, Aug 28 - Sun, Aug 30
STL
St. Louis
SBN
South Bend
$292 Roundtrip, found 3 days ago
$292
Roundtrip
found 3 days ago
Select United flight, departing Fri, Aug 28 from St. Louis to South Bend, returning Sun, Aug 30, priced at $292 found 3 days ago
American Airlines
Fri, Aug 21 - Mon, Aug 24
STL
St. Louis
SBN
South Bend
$295 Roundtrip, found 1 day ago
$295
Roundtrip
found 1 day ago
Select American Airlines flight, departing Fri, Aug 21 from St. Louis to South Bend, returning Mon, Aug 24, priced at $295 found 1 day ago
United
Tue, Nov 3 - Sat, Nov 7
STL
St. Louis
SBN
South Bend
$296 Roundtrip, found 2 days ago
$296
Roundtrip
found 2 days ago
Select United flight, departing Tue, Nov 3 from St. Louis to South Bend, returning Sat, Nov 7, priced at $296 found 2 days ago
United
Sat, Dec 5 - Sun, Dec 6
STL
St. Louis
SBN
South Bend
$302 Roundtrip, found 3 days ago
$302
Roundtrip
found 3 days ago
Select United flight, departing Sat, Dec 5 from St. Louis to South Bend, returning Sun, Dec 6, priced at $302 found 3 days ago
United
Tue, Nov 3 - Sat, Nov 7
STL
St. Louis
SBN
South Bend
$303 Roundtrip, found 2 days ago
$303
Roundtrip
found 2 days ago
Select United flight, departing Tue, Nov 3 from St. Louis to South Bend, returning Sat, Nov 7, priced at $303 found 2 days ago
United
Fri, Aug 21 - Fri, Aug 28
STL
St. Louis
SBN
South Bend
$304 Roundtrip, found 1 day ago
$304
Roundtrip
found 1 day ago
Select United flight, departing Fri, Aug 21 from St. Louis to South Bend, returning Fri, Aug 28, priced at $304 found 1 day ago

Alternative airports near South Bend

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

Select flight to South Bend Intl. SBN. Cheapest and Closest option available. Average driving time to city center is 7 minutes. Flights from $588
SBN
South Bend Intl.
CheapestClosest
Average driving time to city center7 min
Flights from $588

What you need to know for your flight from Lambert-St. Louis Intl. to South Bend Intl.

St. Louis (STL) to South Bend (SBN) at a glance

Travel between St. Louis (STL) and South Bend (SBN) with a selection of airlines catering to this domestic short-haul route. Evaluate different options from full-service carriers to secure an itinerary that aligns with your budget, schedule, and travel preferences while discovering the renowned attractions and neighborhoods of South Bend. Get all the essential information for flights departing from Lambert-St. Louis International Airport (STL) to South Bend International Airport (SBN).

  • Fastest flight duration: around 2h 30m in-flight, plus roughly 1 hour layover with one stop
  • Route distance: roughly 300 miles (485 km)
  • Flights per week: around 7 departures on average
  • Typical fares (one-way): economy tickets often range from $115–$410, depending on seasonality and how far ahead you book

Flights from Lambert-St. Louis International Airport (STL) to South Bend International Airport (SBN)

According to recent traveler bookings, the top airlines flying from St. Louis to South Bend are often favored for their one-stop services. Common layover options include O'Hare International Airport (ORD) with an approximate 1 hour and 15 minutes layover, Minneapolis - St. Paul International Airport (MSP) with about a 40-minute layover, and Detroit Metropolitan Wayne County Airport (DTW) featuring a longer layover of around 3 hours and 30 minutes. This variety allows you to compare prices, total travel time, and cabin class to craft the ideal itinerary.

  • United: As a comprehensive carrier providing one-stop service, United represents about 78% of departures for this route. One-way ticket prices generally range from $115 to $415, with a flight duration of 2 hours and 30 minutes and an overall travel time of approximately 3 hours and 45 minutes, including a layover.
  • Delta: Another full-service airline, Delta accounts for around 20% of the departures on this route, offering one-stop flights. Passengers can expect one-way fares typically between $120 and $345, with an in-flight duration of 2 hours and 30 minutes and a total journey time of about 3 hours and 45 minutes, factoring in a layover.

Alternative routes from St. Louis (STL) to South Bend (SBN)

  • St. Louis to South Bend (SUS-SBN): Located approximately 16 miles from Lambert-St. Louis International Airport (STL), Spirit of St. Louis Airport (SUS) serves as a convenient departure point.
  • St. Louis to South Bend (CPS-SBN): St. Louis Downtown Airport (CPS) is also around 16 miles away from Lambert-St. Louis International Airport (STL), offering another option for travelers.
  • St. Louis to Elkhart (STL-EKI): Elkhart Municipal Airport (EKI), situated about 16 miles from South Bend International Airport (SBN), provides easy access for those heading to Elkhart.

How to find the best prices for flights from St. Louis (STL) to South Bend (SBN)

Getting some of the best deals on flights from St. Louis to South Bend is all about timing and flexibility. Here are some key tips to help you save:

  1. Best times to book and fly: cheaper fares are typically found when booking 2 to 8 weeks in advance, although most travelers tend to book within 2 weeks. Afternoon departures between 12 PM and 6 PM usually offer lower prices, while morning flights from 5 AM to 12 PM are the most popular. Additionally, flying on Thursday generally results in cheaper prices, even though Friday is the busiest travel day.
  2. Set up price alerts: stay updated on price changes by using Expedia's Price Tracker. Receive alerts when fares drop for your selected route.
  3. Bundle and save: bundle your flight and hotel to save on Expedia, or unlock a hotel deal after booking your flight.* Find South Bend hotel and flight deals.
  4. Compare flight options: use Expedia's search tool to compare airlines, routes, direct vs. non-direct flights, and flight times. You can also sort by price to find the most affordable options.
  5. Stay flexible with dates: being open to different travel days can sometimes help you find better prices on flights and hotels.
  6. Think about luggage: nowadays, it's important to check the airline's baggage policies to find the best value. That may be paying for an additional carry-on bag or booking a ticket with checked luggage included. Either way, double-check your allowance before confirming your booking to avoid excess baggage fees at the airport.

*Members only. Savings vary and are not available on all bundles. Select hotels.

Arriving at South Bend International Airport from Lambert-St. Louis International Airport

South Bend welcomes travelers from St. Louis with a range of transport options based on price, convenience, and proximity. Here's how to reach South Bend efficiently:

  • Hotel transfer: Transfers offer a convenient way to reach your hotel in South Bend, with options including free hotel shuttles and private rides, which can be arranged in advance with your hotel.
  • Car rental: Renting a car from South Bend International Airport is a great option if you plan to explore and sightsee beyond the city. Browse cheap car rentals at South Bend International Airport on Expedia.
  • Taxi/ride-hailing: Taxis and ride-hailing services may be available from designated pickup areas outside the terminal, check locally on arrival.
  • Public transportation: From South Bend International Airport, South Bend Station, a train station, is located about 2.6 miles away by car, providing convenient access for travelers needing rail connections.

Frequently asked questions

How much does a flight from St. Louis, MO (STL-Lambert-St. Louis Intl.) to South Bend, IN (SBN-South Bend Intl.) cost?
You can find cheap one-way flights from $175 and cheap return flights from $280 St. Louis, MO (STL-Lambert-St. Louis Intl.) to South Bend, IN (SBN-South Bend Intl.) with Expedia. One-way flights typically cost between $308 and $900, and return flights often range between $300 and $1286. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see the cheapest fares first, and use the Price Tracking tool to receive alerts when St. Louis, MO (STL-Lambert-St. Louis Intl.) to South Bend, IN (SBN-South Bend Intl.) ticket fares go up or down.*Typical price ranges based on flights available on Expedia in the last year. Prices include multi-airline options.
What is the cheapest month to fly from St. Louis, MO (STL-Lambert-St. Louis Intl.) to South Bend, IN (SBN-South Bend Intl.)?
The cheapest month to fly from STL to SBN is August when demand is low. Traveling in off-peak or shoulder months is usually a good way to secure cheap tickets, just remember to avoid flying during holidays if you're able to. Use the calendar view in your search to see which months have low fares on this route.
Which airlines fly direct from St. Louis, MO (STL-Lambert-St. Louis Intl.) to South Bend, IN (SBN-South Bend Intl.)?
Enter STL to SBN and your travel dates, then apply the 'Nonstop' filter to see only direct flights.
What is the cheapest airline that flies from St. Louis, MO (STL-Lambert-St. Louis Intl.) to South Bend, IN (SBN-South Bend Intl.)?
Southern Airways Express is one of the cheapest airlines offering connecting flights from St. Louis, MO (STL) to South Bend, IN (SBN) with a layover in Quincy Regional-Baldwin Field (UIN), starting from around $530 for a round-trip ticket. Use Expedia's search tool to compare the prices and schedules of airlines that fly this route to find the best option for your plans and budget.*Prices based on flights available on Expedia in the last year.
How do I find cheap flights from St. Louis, MO (STL-Lambert-St. Louis Intl.) to South Bend, IN (SBN-South Bend Intl.)?
To find a cheap flight from St. Louis, MO (STL-Lambert-St. Louis Intl.) to South Bend, IN (SBN-South Bend Intl.), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best time to fly from St. Louis, MO (STL-Lambert-St. Louis Intl.) to South Bend, IN (SBN-South Bend Intl.)?
The best time to fly is usually mid-week (Tuesday or Wednesday) and during early morning hours as flights tend to be cheaper, less crowded, and generally more on-time. Avoid major holidays and peak vacation seasons for smoother travel. Combining off-peak days and hours often gives the best combination of cost, comfort, and convenience.
What is the earliest flight from St. Louis, MO (STL-Lambert-St. Louis Intl.) to South Bend, IN (SBN-South Bend Intl.)?
The earliest flight from Lambert-St. Louis International Airport (STL) to South Bend International Airport (SBN) typically departs at 5:00 AM, operated by American Airlines. This is a seasonal service active in November and December, allowing you to start your day early and make the most of your time in South Bend. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What are the most popular departure times for flights from St. Louis, MO (STL-Lambert-St. Louis Intl.) to South Bend, IN (SBN-South Bend Intl.)?
The most popular departure times for flights from Lambert-St. Louis International Airport (STL) to South Bend International Airport (SBN) are from 6am to 9am. About 31% of passengers prefer this time window. Many major carriers, including United Airlines and American Airlines, offer flights during this window. This early departure is favored as it allows travelers to reach their destination in time for morning activities.
How long does it take to fly from St. Louis, MO (STL-Lambert-St. Louis Intl.) to South Bend, IN (SBN-South Bend Intl.)?
Flying from STL to SBN with a connection usually takes about 5 hours 30 minutes, traveling roughly 296 miles. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic.
Can you fly business or first class from St. Louis, MO (STL-Lambert-St. Louis Intl.) to South Bend, IN (SBN-South Bend Intl.)?
First class is available on flights from STL to SBN. First class cabins are available on:

  • American Airlines
  • United Airlines
  • Delta Air Lines

How do I earn miles on a St. Louis, MO (STL-Lambert-St. Louis Intl.) to South Bend, IN (SBN-South Bend Intl.) flight with Expedia?
It's easy to earn miles on a St. Louis, MO (STL-Lambert-St. Louis Intl.) to South Bend, IN (SBN-South Bend Intl.) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for South Bend from Lambert-St. Louis Intl. (STL)?
If you're planning to travel to South Bend from Lambert-St. Louis Intl. (STL), you can fly into South Bend Intl. (SBN) Some flights may connect through major hubs like Ronald Reagan Washington National (DCA), Philadelphia Intl. (PHL), Quincy Regional-Baldwin Field (UIN) before reaching South Bend. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from St. Louis, MO (STL-Lambert-St. Louis Intl.) to South Bend, IN (SBN-South Bend Intl.) at the last minute?
Typically, booking a last minute flight from St. Louis, MO (STL-Lambert-St. Louis Intl.) to South Bend, IN (SBN-South Bend Intl.) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a St. Louis, MO (STL-Lambert-St. Louis Intl.) to South Bend, IN (SBN-South Bend Intl.) flight and hotel package?
Securing a St. Louis, MO (STL-Lambert-St. Louis Intl.) to South Bend, IN (SBN-South Bend Intl.) South Bend Vacation Packages is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from St. Louis, MO (STL-Lambert-St. Louis Intl.) to South Bend, IN (SBN-South Bend Intl.)?
If you booked your St. Louis, MO (STL-Lambert-St. Louis Intl.) to South Bend, IN (SBN-South Bend Intl.) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
Lambert-St. Louis Intl.
Destination airport
South Bend Intl.
Airlines serving
American Airlines, Delta, United
Roundtrip price
$280
Distance
295 mi

Book with confidence

St. Louis to South Bend Flights

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

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 St. Louis to South Bend are during the month of August. You can find some of the cheapest flights from St. Louis to South Bend with Expedia's search tool and vast selection of airlines.

 

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

Sunday is one of the best days to book for cheap flights from St. Louis to South Bend: 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 St. Louis to South Bend

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 St. Louis to South Bend in 2026. You can also book with separate airlines for your outbound and return journeys, from $175 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 St. Louis to South Bend 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 St. Louis to South Bend 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.

 

St. Louis to South Bend Flights

*Flight schedules are subject to change.

*Available to One Key members.

 

Explore a world of travel with Expedia