$100 Cheap Flights from Baltimore (BWI) to South Bend (SBN)

View $100 flight on Sat, May 31, 2025Opens in a new window

Popular airlines from Baltimore Washington Intl. Airport (BWI) to South Bend Intl. Airport (SBN)

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Find available prices by choosing your travel dates.

Cheap Flights from Baltimore to South Bend (BWI-SBN)

Prices were available within the past 7 days and start at $100 for one-way flights and $217 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Sun, May 25 - Wed, May 28
BWI
Baltimore
SBN
South Bend
$217 Roundtrip, found 2 days ago
$217
Roundtrip
found 2 days ago
Select Delta flight, departing Sun, May 25 from Baltimore to South Bend, returning Wed, May 28, priced at $217 found 2 days ago
United
Wed, Jul 2 - Wed, Jul 9
BWI
Baltimore
SBN
South Bend
$224 Roundtrip, found 1 hour ago
$224
Roundtrip
found 1 hour ago
Select United flight, departing Wed, Jul 2 from Baltimore to South Bend, returning Wed, Jul 9, priced at $224 found 1 hour ago
Delta
Tue, May 20 - Sun, May 25
BWI
Baltimore
SBN
South Bend
$231 Roundtrip, found 2 days ago
$231
Roundtrip
found 2 days ago
Select Delta flight, departing Tue, May 20 from Baltimore to South Bend, returning Sun, May 25, priced at $231 found 2 days ago
Delta
Fri, May 30 - Tue, Jul 15
BWI
Baltimore
SBN
South Bend
$233 Roundtrip, found 9 hours ago
$233
Roundtrip
found 9 hours ago
Select Delta flight, departing Fri, May 30 from Baltimore to South Bend, returning Tue, Jul 15, priced at $233 found 9 hours ago
Delta
Sat, May 24 - Wed, May 28
BWI
Baltimore
SBN
South Bend
$237 Roundtrip, found 5 days ago
$237
Roundtrip
found 5 days ago
Select Delta flight, departing Sat, May 24 from Baltimore to South Bend, returning Wed, May 28, priced at $237 found 5 days ago
United
Wed, Jul 2 - Wed, Jul 9
BWI
Baltimore
SBN
South Bend
$238 Roundtrip, found 1 hour ago
$238
Roundtrip
found 1 hour ago
Select United flight, departing Wed, Jul 2 from Baltimore to South Bend, returning Wed, Jul 9, priced at $238 found 1 hour ago
Delta
Mon, May 5 - Sun, May 25
BWI
Baltimore
SBN
South Bend
$248 Roundtrip, found 2 days ago
$248
Roundtrip
found 2 days ago
Select Delta flight, departing Mon, May 5 from Baltimore to South Bend, returning Sun, May 25, priced at $248 found 2 days ago
United
Tue, May 13 - Wed, May 14
BWI
Baltimore
SBN
South Bend
$248 Roundtrip, found 2 days ago
$248
Roundtrip
found 2 days ago
Select United flight, departing Tue, May 13 from Baltimore to South Bend, returning Wed, May 14, priced at $248 found 2 days ago
American Airlines
Wed, Jul 2 - Wed, Jul 9
BWI
Baltimore
SBN
South Bend
$249 Roundtrip, found 1 hour ago
$249
Roundtrip
found 1 hour ago
Select American Airlines flight, departing Wed, Jul 2 from Baltimore to South Bend, returning Wed, Jul 9, priced at $249 found 1 hour ago
American Airlines
Wed, Jul 2 - Sat, Jul 5
BWI
Baltimore
SBN
South Bend
$252 Roundtrip, found 11 hours ago
$252
Roundtrip
found 11 hours ago
Select American Airlines flight, departing Wed, Jul 2 from Baltimore to South Bend, returning Sat, Jul 5, priced at $252 found 11 hours ago
Flights from Baltimore (BWI) to South Bend (SBN)
Origin airport
Baltimore Washington Intl. Thurgood Marshall
Destination airport
South Bend Intl.
Airlines serving
American Airlines, Delta, United
Roundtrip price
$216
Distance
535 mi

Baltimore to South Bend Flights

The cheapest times to fly from Baltimore 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 Baltimore to South Bend are during the month of May. You can find some of the cheapest flights from Baltimore to South Bend with Expedia's search tool and vast selection of airlines.

The best time to book a flight from Baltimore to South Bend

Sunday is one of the best days to book for cheap flights from Baltimore 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 Baltimore 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 Baltimore to South Bend in 2025. You can also book with separate airlines for your outbound and return journeys, from $100 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 Baltimore 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 Baltimore 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.

Frequently asked questions

How much does a flight from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to South Bend Intl. Airport (SBN) cost?
Discover the latest flight deals from BWI to SBN by entering your preferred travel dates and searching on Expedia. Easily compare prices by departure date if you have flexibility with your schedule and use handy filters to explore prices for your preferred journey. As a member of One Key™, our free loyalty program, you can use Price Tracking to watch fares and receive notifications if prices go up or down.
What is the cheapest month to fly from BWI to SBN?
The cheapest flights from BWI to SBN are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
What is the cheapest airline that flies from BWI to SBN?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that’ll take you from BWI to SBN. Sort your results by “Price (lowest to highest)” to snap up a great deal.
How many flights per day from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to South Bend Intl. Airport (SBN)?
There aren’t any daily direct flights departing from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to South Bend Intl. Airport (SBN). But you can opt for flights with layovers. Filter your search on Expedia to include one or more stops, and you’ll be on your way in no time.
What day of the week has the most flights from BWI to SBN?
Friday is generally the busiest day for flights, while Tuesday tends to be the quietest.* Just remember that flight schedules can change depending on various factors, including the season and airline.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to South Bend Intl. Airport (SBN)?
To avoid possible delays on the Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to South Bend Intl. Airport (SBN) route, aim to fly before 3 PM. Flights after this time have a 22% higher chance of cancellation.**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 Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to South Bend Intl. Airport (SBN) last-minute?
Booking your plane ticket from BWI to SBN just before your journey is typically more expensive. However, if you’re flexible with your itinerary, you could score a cheap last-minute fare.
Is it cheaper to book a BWI to SBN flight and hotel package?
You’ll generally save money by securing a BWI to SBN flight and hotel package compared to booking separately. In fact, travelers could save hundreds of dollars by bundling with Expedia. And it’s easy to manage it all in one convenient place. After selecting your ideal flights and accommodations, you can add extras such as car rentals, tours and activities.
Can I cancel or change the date of my flight from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to South Bend Intl. Airport (SBN)?
It’s generally possible to reschedule or cancel your BWI to SBN flight. However, if it’s been more than 24 hours since booking, additional charges may apply. Check your airline’s policies in your itinerary to see what changes are possible and whether any costs are involved. You’ll also find more information on our Customer Service portal.

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*Available to One Key members.