$310 Cheap Flights from South Bend (SBN) to Helena (HLN)

View $310 flight on Wed, May 27, 2026Opens in a new window

Popular airlines from South Bend Intl. Airport (SBN) to Helena, MT (HLN-Helena Regional)

Cheap Flights from South Bend to Helena (SBN-HLN)

Prices were available within the past 7 days and start at $310 for one-way flights and $299 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Wed, Jan 7 - Wed, Jan 14
SBN
South Bend
HLN
Helena
$299 Roundtrip, found 4 days ago
$299
Roundtrip
found 4 days ago
Select United flight, departing Wed, Jan 7 from South Bend to Helena, returning Wed, Jan 14, priced at $299 found 4 days ago
United
Wed, Jan 7 - Wed, Jan 14
SBN
South Bend
HLN
Helena
$318 Roundtrip, found 4 days ago
$318
Roundtrip
found 4 days ago
Select United flight, departing Wed, Jan 7 from South Bend to Helena, returning Wed, Jan 14, priced at $318 found 4 days ago
United
Wed, Jan 7 - Wed, Jan 14
SBN
South Bend
HLN
Helena
$324 Roundtrip, found 4 days ago
$324
Roundtrip
found 4 days ago
Select United flight, departing Wed, Jan 7 from South Bend to Helena, returning Wed, Jan 14, priced at $324 found 4 days ago
United
Wed, Jan 7 - Sat, Jan 17
SBN
South Bend
HLN
Helena
$363 Roundtrip, found 4 days ago
$363
Roundtrip
found 4 days ago
Select United flight, departing Wed, Jan 7 from South Bend to Helena, returning Sat, Jan 17, priced at $363 found 4 days ago
United
Wed, Jan 7 - Tue, Jan 13
SBN
South Bend
HLN
Helena
$379 Roundtrip, found 4 days ago
$379
Roundtrip
found 4 days ago
Select United flight, departing Wed, Jan 7 from South Bend to Helena, returning Tue, Jan 13, priced at $379 found 4 days ago
United
Wed, Jan 7 - Wed, Jan 14
SBN
South Bend
HLN
Helena
$398 Roundtrip, found 4 days ago
$398
Roundtrip
found 4 days ago
Select United flight, departing Wed, Jan 7 from South Bend to Helena, returning Wed, Jan 14, priced at $398 found 4 days ago
United
Wed, Jan 7 - Wed, Jan 14
SBN
South Bend
HLN
Helena
$404 Roundtrip, found 4 days ago
$404
Roundtrip
found 4 days ago
Select United flight, departing Wed, Jan 7 from South Bend to Helena, returning Wed, Jan 14, priced at $404 found 4 days ago
Delta
Tue, Jan 6 - Mon, Jan 12
SBN
South Bend
HLN
Helena
$413 Roundtrip, found 4 days ago
$413
Roundtrip
found 4 days ago
Select Delta flight, departing Tue, Jan 6 from South Bend to Helena, returning Mon, Jan 12, priced at $413 found 4 days ago
Delta
Tue, Jan 6 - Sun, Jan 11
SBN
South Bend
HLN
Helena
$433 Roundtrip, found 4 days ago
$433
Roundtrip
found 4 days ago
Select Delta flight, departing Tue, Jan 6 from South Bend to Helena, returning Sun, Jan 11, priced at $433 found 4 days ago
United
Wed, Jan 7 - Wed, Jan 14
SBN
South Bend
HLN
Helena
$459 Roundtrip, found 4 days ago
$459
Roundtrip
found 4 days ago
Select United flight, departing Wed, Jan 7 from South Bend to Helena, returning Wed, Jan 14, priced at $459 found 4 days ago
Flights from South Bend (SBN) to Helena (HLN)
Origin airport
South Bend Intl.
Destination airport
Helena Regional
Roundtrip price
$299
Distance
1310 mi

South Bend to Helena Flights

The cheapest times to fly from South Bend to Helena

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

 

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

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

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 Helena in 2026. You can also book with separate airlines for your outbound and return journeys, from $310 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 Helena 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 Helena 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 South Bend Intl. Airport (SBN) to Helena Regional Airport (HLN) cost?
Grab a cheap one-way flight from $310 or cheap return flight from $299 from South Bend Intl. Airport (SBN) to Helena Regional Airport (HLN) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight offers on this route.
What is the cheapest month to fly from South Bend Intl. Airport (SBN) to Helena Regional Airport (HLN)?
Flying in January is a great way to save, as it's the cheapest month for flights between SBN and HLN. You'll typically find the lowest fares during off-peak months.
What is the cheapest airline that flies from South Bend Intl. Airport (SBN) to Helena Regional Airport (HLN)?
Expedia's filter tool lets you easily compare different airlines, departure times and fares all in one place. Choose your preferences, then sort by "Price (lowest to highest)" to find the carrier with the cheapest SBN to HLN flight.
How many flights per day from South Bend Intl. Airport (SBN) to Helena Regional Airport (HLN)?
You'll need to book a flight with a layover when traveling from South Bend Intl. Airport (SBN) to Helena Regional Airport (HLN). Direct flights don't operate daily on this route. However, simply filter your search to include one or more stops to discover the best option for your trip.
What day of the week has the most flights from SBN to HLN?
Typically you'll find the greatest selection of flight options on a Friday. Tuesdays tend to be the quietest.* However, this can change depending on the time of year, airline and other factors.*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 Helena Regional Airport (HLN)?
To avoid possible delays on the South Bend Intl. Airport (SBN) to Helena Regional Airport (HLN) route, aim to travel 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 South Bend Intl. Airport (SBN) to Helena Regional Airport (HLN) last-minute?
Last-minute bookings from SBN to HLN are usually more expensive. For the best prices, start searching for flights as soon as possible. That being said, if your travel plans are flexible, you may find a cheap fare just before your departure.
Is it cheaper to book a SBN to HLN flight and hotel package?
You'll generally save money by booking a SBN to HLN flight and hotel package compared to booking separately. In fact, you could save hundreds of dollars by bundling with Expedia. And it's easy to manage it all in one convenient place. After selecting your preferred flights and accommodations, consider adding extras like car rentals, activities and tours.
Can I cancel or change the date of my flight from South Bend Intl. Airport (SBN) to Helena Regional Airport (HLN)?
If you reserved your SBN to HLN flight in the last 24 hours, you may be able to cancel or modify it without any fees. Depending on the airline and the type of ticket you purchased, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, go to our Customer Service portal for more details.

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*Available to One Key members.