$233 Cheap Flights from St. George (SGU) to Helena (HLN)

View $233 flight on Sat, Apr 4, 2026Opens in a new window

Popular airlines from St. George Regional Airport (SGU) to Helena, MT (HLN-Helena Regional)

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Cheap Flights from St. George to Helena (SGU-HLN)

Prices were available within the past 7 days and start at $233 for one-way flights and $238 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Sun, Nov 23 - Wed, Dec 10
SGU
St. George
HLN
Helena
$238 Roundtrip, found 2 days ago
$238
Roundtrip
found 2 days ago
Select Delta flight, departing Sun, Nov 23 from St. George to Helena, returning Wed, Dec 10, priced at $238 found 2 days ago
Delta
Mon, Nov 24 - Wed, Dec 10
SGU
St. George
HLN
Helena
$268 Roundtrip, found 5 days ago
$268
Roundtrip
found 5 days ago
Select Delta flight, departing Mon, Nov 24 from St. George to Helena, returning Wed, Dec 10, priced at $268 found 5 days ago
Delta
Tue, Nov 25 - Wed, Dec 10
SGU
St. George
HLN
Helena
$297 Roundtrip, found 5 days ago
$297
Roundtrip
found 5 days ago
Select Delta flight, departing Tue, Nov 25 from St. George to Helena, returning Wed, Dec 10, priced at $297 found 5 days ago
Delta
Mon, Nov 24 - Tue, Dec 9
SGU
St. George
HLN
Helena
$298 Roundtrip, found 5 days ago
$298
Roundtrip
found 5 days ago
Select Delta flight, departing Mon, Nov 24 from St. George to Helena, returning Tue, Dec 9, priced at $298 found 5 days ago
Delta
Fri, Nov 21 - Wed, Dec 10
SGU
St. George
HLN
Helena
$303 Roundtrip, found 5 days ago
$303
Roundtrip
found 5 days ago
Select Delta flight, departing Fri, Nov 21 from St. George to Helena, returning Wed, Dec 10, priced at $303 found 5 days ago
Delta
Sun, Nov 23 - Wed, Dec 10
SGU
St. George
HLN
Helena
$308 Roundtrip, found 2 days ago
$308
Roundtrip
found 2 days ago
Select Delta flight, departing Sun, Nov 23 from St. George to Helena, returning Wed, Dec 10, priced at $308 found 2 days ago
Delta
Mon, Dec 1 - Wed, Dec 17
SGU
St. George
HLN
Helena
$327 Roundtrip, found 6 days ago
$327
Roundtrip
found 6 days ago
Select Delta flight, departing Mon, Dec 1 from St. George to Helena, returning Wed, Dec 17, priced at $327 found 6 days ago
Delta
Fri, Nov 21 - Tue, Dec 9
SGU
St. George
HLN
Helena
$333 Roundtrip, found 5 days ago
$333
Roundtrip
found 5 days ago
Select Delta flight, departing Fri, Nov 21 from St. George to Helena, returning Tue, Dec 9, priced at $333 found 5 days ago
United
Tue, Nov 18 - Sat, Dec 6
SGU
St. George
HLN
Helena
$338 Roundtrip, found 6 days ago
$338
Roundtrip
found 6 days ago
Select United flight, departing Tue, Nov 18 from St. George to Helena, returning Sat, Dec 6, priced at $338 found 6 days ago
Delta
Tue, Nov 25 - Sat, Dec 13
SGU
St. George
HLN
Helena
$362 Roundtrip, found 5 days ago
$362
Roundtrip
found 5 days ago
Select Delta flight, departing Tue, Nov 25 from St. George to Helena, returning Sat, Dec 13, priced at $362 found 5 days ago

Frequently asked questions

How much does a flight from St. George Airport (SGU) to Helena Regional Airport (HLN) cost?
Secure a cheap one-way flight from $233 or cheap return flight from $238 from St. George Airport (SGU) 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 St. George Airport (SGU) to Helena Regional Airport (HLN)?
Planning your getaway for November is a good way to save, as it's the cheapest month for flights between SGU and HLN. You'll often find the lowest prices during off-peak months.
What is the cheapest airline that flies from St. George Airport (SGU) to Helena Regional Airport (HLN)?
To find the cheapest airline flying from SGU to HLN, use Expedia's filter tool. Tailor your search based on what matters most to you, such as preferred carriers and number of stops. You can then sort your results by "Price (lowest to highest)" to list the most affordable options first.
How many flights per day from St. George Airport (SGU) to Helena Regional Airport (HLN)?
Direct flights from St. George Airport (SGU) to Helena Regional Airport (HLN) aren't available daily, so you'll need to take a flight with a layover. Explore your options with Expedia's filter tool. Enter your travel dates and choose either "1 Stop" or "2+ Stops."
What day of the week has the most flights from SGU to HLN?
Friday is generally the busiest day for flights, while Tuesday is often the quietest.* Keep in mind that flight schedules can vary based on a range of factors, including the time of year 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 St. George Airport (SGU) to Helena Regional Airport (HLN)?
To arrive at Helena Regional Airport (HLN) on schedule, book a flight that leaves St. George Airport (SGU) before 3 PM. The likelihood of cancellations is 22% higher, on average, for departures after this hour.**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 St. George Airport (SGU) to Helena Regional Airport (HLN) last-minute?
Waiting until just before your trip to book your flight from SGU to HLN often results in higher prices. While you may come across some last-minute offers, they aren't always guaranteed. Keep your travel plans flexible for a better chance of landing a bargain.
Is it cheaper to book a SGU to HLN flight and hotel package?
Compared with arranging flights and hotels separately, booking a SGU to HLN flight and hotel package with Expedia could result in significant savings. Better yet, having everything in one place takes the hassle out of planning your trip. Simply pick your flights and choose from our wide range of stays, then tailor your trip with extras like activities, tours and car rentals.
Can I cancel or change the date of my flight from St. George Airport (SGU) to Helena Regional Airport (HLN)?
Typically, you can reschedule or cancel your SGU to HLN flight. However, there may be additional fees, especially if you made your booking more than 24 hours ago. Check your itinerary for the airline's fees and rules on flight changes, or if you need further information, head to our Customer Service portal.

Travel information

Travel information

Origin airport
St. George
Destination airport
Helena Regional
Airlines serving
Delta, United
Roundtrip price
$238
Distance
666 mi

Book with confidence

Book with confidence

St. George to Helena Flights

The cheapest times to fly from St. George 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 St. George to Helena are during the month of November. You can find some of the cheapest flights from St. George to Helena with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from St. George to Helena

Sunday is one of the best days to book for cheap flights from St. George 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 St. George 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 St. George to Helena in 2025. You can also book with separate airlines for your outbound and return journeys, from $233 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. George 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 St. George 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.

 

St. George to Helena Flights

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*Available to One Key members.