$128 Cheap Delta flights Sacramento (SMF) to Helena (HLN)

View $128 flight on Wed, Aug 27, 2025Opens in a new window

$128 Cheap Delta flights Sacramento (SMF) to Helena (HLN)

Prices were available within the past 7 days and start at $128 for one-way flights and $255 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Tue, Aug 12 - Wed, Aug 20
SMF
Sacramento
HLN
Helena
$255 Roundtrip, found 17 hours ago
$255
Roundtrip
found 17 hours ago
Select Delta flight, departing Tue, Aug 12 from Sacramento to Helena, returning Wed, Aug 20, priced at $255 found 17 hours ago
Delta
Sat, Sep 13 - Sat, Sep 20
SMF
Sacramento
HLN
Helena
$257 Roundtrip, found 4 days ago
$257
Roundtrip
found 4 days ago
Select Delta flight, departing Sat, Sep 13 from Sacramento to Helena, returning Sat, Sep 20, priced at $257 found 4 days ago
Delta
Tue, Aug 12 - Wed, Aug 20
SMF
Sacramento
HLN
Helena
$258 Roundtrip, found 17 hours ago
$258
Roundtrip
found 17 hours ago
Select Delta flight, departing Tue, Aug 12 from Sacramento to Helena, returning Wed, Aug 20, priced at $258 found 17 hours ago
Delta
Fri, Aug 22 - Mon, Aug 25
SMF
Sacramento
HLN
Helena
$278 Roundtrip, found 22 hours ago
$278
Roundtrip
found 22 hours ago
Select Delta flight, departing Fri, Aug 22 from Sacramento to Helena, returning Mon, Aug 25, priced at $278 found 22 hours ago
Delta
Sat, Aug 16 - Wed, Aug 20
SMF
Sacramento
HLN
Helena
$297 Roundtrip, found 23 hours ago
$297
Roundtrip
found 23 hours ago
Select Delta flight, departing Sat, Aug 16 from Sacramento to Helena, returning Wed, Aug 20, priced at $297 found 23 hours ago
Delta
Fri, Aug 22 - Mon, Aug 25
SMF
Sacramento
HLN
Helena
$307 Roundtrip, found 22 hours ago
$307
Roundtrip
found 22 hours ago
Select Delta flight, departing Fri, Aug 22 from Sacramento to Helena, returning Mon, Aug 25, priced at $307 found 22 hours ago
Delta
Fri, Aug 22 - Mon, Aug 25
SMF
Sacramento
HLN
Helena
$313 Roundtrip, found 22 hours ago
$313
Roundtrip
found 22 hours ago
Select Delta flight, departing Fri, Aug 22 from Sacramento to Helena, returning Mon, Aug 25, priced at $313 found 22 hours ago
Flights from Sacramento (SMF) to Helena (HLN)
Origin airport
Sacramento Intl.
Destination airport
Helena Regional
Airlines serving
Alaska Airlines, Delta, Hawaiian Airlines, United
Popular airline
Alaska Airlines
Distance
731 mi

Frequently asked questions

How much is a Delta Air Lines flight from Sacramento Intl. Airport (SMF) to Helena Regional Airport (HLN)?
Use the "Price (lowest to highest)" filter on Expedia to look for cheap Delta Air Lines round-trip flights from $255 from SMF to HLN. Affordable one-way tickets from $128 are available as well.**These prices were available on Expedia within the past 7 days, for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.
What is the cheapest month to fly from SMF to HLN with Delta Air Lines?
Delta Air Lines flights to Helena are usually more affordable in the low-season months of December and January. Whether you're in search of a one-way or a return ticket, you could land a better deal then.
What is the cheapest time to book flights from Sacramento Intl. Airport (SMF) to Helena Regional Airport (HLN) with Delta Air Lines?
For cheap Delta Air Lines fares from Sacramento Intl. Airport (SMF) to Helena Regional Airport (HLN), start searching one to three months before your planned departure. Securing domestic flights 34 to 86 days in advance could save you 25% compared to booking just 6 to 12 days ahead. The day you book can also influence how much you pay. Sunday is generally the most affordable, while Monday is often the most expensive for domestic flights. You can save 6% on average by booking your journey on a Sunday.**Ideal booking window recommendation is based on average round-trip ticket prices for January through November for 2024. Best day of the week to book recommendation is based on average round-trip ticket prices for January through October 2024. All data sourced from ARC's global airline sales database.
Does Delta Air Lines fly nonstop from Sacramento Intl. Airport (SMF) to Helena Regional Airport (HLN)?
Simply enter your dates, hit search and tick the "Nonstop" filter on Expedia to browse any direct flights from SMF to HLN with Delta Air Lines or other carriers.
What is the earliest Delta Air Lines flight from SMF to HLN?
Find Delta Air Lines's earliest flights from SMF to HLN by selecting our "Early Morning" and "Morning" filters. Not only will you get to where you're going sooner, early departures also experience 20% fewer cancellations.**Most reliable time of the day recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports does Delta Air Lines fly into in Helena?
Delta Air Lines flights from Sacramento Intl. Airport (SMF) to Helena land at Helena Regional Airport (HLN). This is the main entry point to this destination.
Why fly with Delta Air Lines from SMF to HLN?
Heading from SMF to HLN with Delta Air Lines means enjoying a host of perks, such as a rewarding loyalty program and an excellent in-flight experience. Plus, when you book through Expedia, One Key™ members can collect OneKeyCash™* to use on select future travel purchases. That's on top of the Delta SkyMiles points you can earn with Delta Air Lines.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.
Can I change or cancel my Delta Air Lines flight from Sacramento Intl. Airport (SMF) to Helena Regional Airport (HLN)?
Depending on your fare type, a fee is typically charged if you cancel or reschedule your flight more than 24 hours after it has been confirmed. To find flexible fares, select our "Changes included" and "No cancel fee" boxes when looking for flights. For more details on canceling or modifying your reservation, head to "Trips," select your flight and click on "Manage Booking."

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*Available to One Key members.