$121 Cheap Flights from Sacramento (SMF) to Helena (HLN)

View $121 flight on Tue, Nov 4, 2025Opens in a new window

Popular airlines from Sacramento Intl. Airport (SMF) to Helena, MT (HLN-Helena Regional)

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Cheap Flights from Sacramento to Helena (SMF-HLN)

Prices were available within the past 7 days and start at $121 for one-way flights and $242 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Hawaiian Airlines
Tue, Jan 13 - Wed, Jan 28
SMF
Sacramento
HLN
Helena
$242 Roundtrip, found 5 days ago
$242
Roundtrip
found 5 days ago
Select Hawaiian Airlines flight, departing Tue, Jan 13 from Sacramento to Helena, returning Wed, Jan 28, priced at $242 found 5 days ago
Delta
Tue, Oct 7 - Wed, Oct 8
SMF
Sacramento
HLN
Helena
$243 Roundtrip, found 12 hours ago
$243
Roundtrip
found 12 hours ago
Select Delta flight, departing Tue, Oct 7 from Sacramento to Helena, returning Wed, Oct 8, priced at $243 found 12 hours ago
Bargain Flight
Fri, Oct 17 - Sat, Oct 18
SMF
Sacramento
HLN
Helena
$258 Roundtrip, found 2 days ago
$258
Roundtrip
found 2 days ago
Select Bargain Flight flight, departing Fri, Oct 17 from Sacramento to Helena, returning Sat, Oct 18, priced at $258 found 2 days ago
Bargain Flight
Thu, Nov 13 - Sat, Nov 15
SMF
Sacramento
HLN
Helena
$260 Roundtrip, found 3 days ago
$260
Roundtrip
found 3 days ago
Select Bargain Flight flight, departing Thu, Nov 13 from Sacramento to Helena, returning Sat, Nov 15, priced at $260 found 3 days ago
Hawaiian Airlines
Mon, Jan 12 - Tue, Jan 27
SMF
Sacramento
HLN
Helena
$260 Roundtrip, found 5 days ago
$260
Roundtrip
found 5 days ago
Select Hawaiian Airlines flight, departing Mon, Jan 12 from Sacramento to Helena, returning Tue, Jan 27, priced at $260 found 5 days ago
Alaska Airlines
Fri, Oct 17 - Sat, Oct 18
SMF
Sacramento
HLN
Helena
$262 Roundtrip, found 2 days ago
$262
Roundtrip
found 2 days ago
Select Alaska Airlines flight, departing Fri, Oct 17 from Sacramento to Helena, returning Sat, Oct 18, priced at $262 found 2 days ago
United
Thu, Nov 13 - Sat, Nov 15
SMF
Sacramento
HLN
Helena
$263 Roundtrip, found 3 days ago
$263
Roundtrip
found 3 days ago
Select United flight, departing Thu, Nov 13 from Sacramento to Helena, returning Sat, Nov 15, priced at $263 found 3 days ago
Alaska Airlines
Thu, Nov 13 - Sat, Nov 15
SMF
Sacramento
HLN
Helena
$267 Roundtrip, found 3 days ago
$267
Roundtrip
found 3 days ago
Select Alaska Airlines flight, departing Thu, Nov 13 from Sacramento to Helena, returning Sat, Nov 15, priced at $267 found 3 days ago
Delta
Wed, Dec 24 - Wed, Jan 7
SMF
Sacramento
HLN
Helena
$268 Roundtrip, found 5 days ago
$268
Roundtrip
found 5 days ago
Select Delta flight, departing Wed, Dec 24 from Sacramento to Helena, returning Wed, Jan 7, priced at $268 found 5 days ago
Delta
Wed, Dec 24 - Wed, Jan 7
SMF
Sacramento
HLN
Helena
$278 Roundtrip, found 3 days ago
$278
Roundtrip
found 3 days ago
Select Delta flight, departing Wed, Dec 24 from Sacramento to Helena, returning Wed, Jan 7, priced at $278 found 3 days ago

Find the cheapest month to fly from Sacramento (SMF) to Helena (HLN)

February is typically the cheapest month to fly

From $229 - $738 per traveler.

Frequently asked questions

How much does a flight from Sacramento Intl. Airport (SMF) to Helena Regional Airport (HLN) cost?
Snag a cheap one-way flight from $121 or cheap return flight from $242 from Sacramento Intl. Airport (SMF) to Helena Regional Airport (HLN) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight offers on this route.
What is the cheapest month to fly from Sacramento Intl. Airport (SMF) to Helena Regional Airport (HLN)?
The cheapest month to fly from SMF to HLN is January, when there's less demand. Off-peak season is generally when airlines offer lower prices between these airports.
What is the cheapest airline that flies from Sacramento Intl. Airport (SMF) to Helena Regional Airport (HLN)?
To find the cheapest airline that'll fly you from SMF to HLN, use Expedia's filter tool. Tailor your search based on your travel needs, such as preferred carriers and cabin class. You can then sort your results by "Price (lowest to highest)" to see the most affordable options first.
How many flights per day from Sacramento Intl. Airport (SMF) to Helena Regional Airport (HLN)?
There are no daily nonstop flights from Sacramento Intl. Airport (SMF) to Helena Regional Airport (HLN). But you can opt for flights with layovers. Filter your search on Expedia to include one or more stops, and you'll be soaring above the clouds in no time.
What day of the week has the most flights from SMF to HLN?
Typically you'll find the widest variety of flight choices on a Friday. Tuesdays tend to be the quietest.* But this can change depending on the airline, season 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 Sacramento Intl. Airport (SMF) to Helena Regional Airport (HLN)?
To avoid potential delays on the Sacramento Intl. Airport (SMF) to Helena Regional Airport (HLN) route, aim to travel before 3 PM. Departures after this time have a 22% higher chance of being 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 Sacramento Intl. Airport (SMF) to Helena Regional Airport (HLN) last-minute?
Last-minute fares from SMF to HLN are usually more expensive. For the best prices, start looking for flights ahead of time. That being said, if you're flexible with your travel dates, it's possible to find a cheap ticket just before your departure.
Is it cheaper to book a SMF to HLN flight and hotel package?
Compared with arranging flights and hotels separately, booking a SMF to HLN flight and hotel package with Expedia could result in significant savings. What's more, having everything in one convenient place will take the stress out of planning your trip. Just secure your flights and select from our extensive range of hotels, then personalize your trip with extras like tours and car rentals.
Can I cancel or change the date of my flight from Sacramento Intl. Airport (SMF) to Helena Regional Airport (HLN)?
If you reserved your SMF to HLN flight in the last 24 hours, you may be able to cancel or modify it without fees. Depending on the airline and the fare type you purchased, additional charges may apply for changes after that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, visit our Customer Service portal if you'd like more information.

Travel information

Travel information

Origin airport
Sacramento Intl.
Destination airport
Helena Regional
Airlines serving
Alaska Airlines, Delta, Hawaiian Airlines, United
Roundtrip price
$242
Distance
731 mi

Book with confidence

Book with confidence

Sacramento to Helena Flights

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

 

The best time to book a flight from Sacramento to Helena

Sunday is one of the best days to book for cheap flights from Sacramento 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 Sacramento 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 Sacramento to Helena in 2025. You can also book with separate airlines for your outbound and return journeys, from $121 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 Sacramento 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 Sacramento 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.

 

Sacramento to Helena Flights

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*Available to One Key members.