$308 Cheap Flights from Missoula (MSO) to Helena (HLN)

View $308 flight on Mon, Sep 8, 2025Opens in a new window

Popular airlines from Missoula Intl. Airport (MSO) to Helena, MT (HLN-Helena Regional)

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Cheap Flights from Missoula to Helena (MSO-HLN)

Prices were available within the past 7 days and start at $308 for one-way flights and $793 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Alaska Airlines
Wed, Aug 13 - Sun, Aug 17
MSO
Missoula
HLN
Helena
$793 Roundtrip, found 2 days ago
$793
Roundtrip
found 2 days ago
Select Alaska Airlines flight, departing Wed, Aug 13 from Missoula to Helena, returning Sun, Aug 17, priced at $793 found 2 days ago
Alaska Airlines
Wed, Aug 13 - Sun, Aug 17
MSO
Missoula
HLN
Helena
$1,040 Roundtrip, found 2 days ago
$1,040
Roundtrip
found 2 days ago
Select Alaska Airlines flight, departing Wed, Aug 13 from Missoula to Helena, returning Sun, Aug 17, priced at $1,040 found 2 days ago
Alaska Airlines
Sun, Aug 3 - Wed, Aug 6
MSO
Missoula
HLN
Helena
$1,043 Roundtrip, found 5 days ago
$1,043
Roundtrip
found 5 days ago
Select Alaska Airlines flight, departing Sun, Aug 3 from Missoula to Helena, returning Wed, Aug 6, priced at $1,043 found 5 days ago
Alaska Airlines
Sun, Aug 3 - Wed, Aug 6
MSO
Missoula
HLN
Helena
$1,490 Roundtrip, found 5 days ago
$1,490
Roundtrip
found 5 days ago
Select Alaska Airlines flight, departing Sun, Aug 3 from Missoula to Helena, returning Wed, Aug 6, priced at $1,490 found 5 days ago
Flights from Missoula (MSO) to Helena (HLN)
Origin airport
Missoula Intl.
Destination airport
Helena Regional
Roundtrip price
$793
Distance
101 mi

Missoula to Helena Flights

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

 

The best time to book a flight from Missoula to Helena

Sunday is one of the best days to book for cheap flights from Missoula 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 Missoula 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 Missoula to Helena in 2025. You can also book with separate airlines for your outbound and return journeys, from $308 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 Missoula 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 Missoula 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 Missoula Intl. Airport (MSO) to Helena Regional Airport (HLN) cost?
Discover the latest flight deals from MSO to HLN 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 MSO to HLN?
The cheapest flights from MSO to HLN 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 MSO to HLN?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that'll take you from MSO to HLN. Sort your results by "Price (lowest to highest)" to snap up a great deal.
How many flights per day from Missoula Intl. Airport (MSO) to Helena Regional Airport (HLN)?
You'll have to book a flight with a layover if you're traveling from Missoula Intl. Airport (MSO) to Helena Regional Airport (HLN). Direct flights don't operate daily on this route. However, just 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 MSO to HLN?
You'll usually find Tuesday the quietest day for flights, while Fridays are often the busiest.* However this can change from season to season and during public holidays or peak travel times.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Missoula Intl. Airport (MSO) to Helena Regional Airport (HLN)?
Opt for a flight from Missoula Intl. Airport (MSO) to Helena Regional Airport (HLN) that leaves before 3 PM to reduce the risk of cancellations and delays. Departures later than this have a 22% higher chance of being canceled, on average.**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 Missoula Intl. Airport (MSO) to Helena Regional Airport (HLN) last-minute?
Holding off until just before your departure to book a ticket from MSO to HLN generally means paying more. While you might find some last-minute deals, they're not always guaranteed. Be flexible with your itinerary to maximize your chances of landing a bargain.
Is it cheaper to book a MSO to HLN flight and hotel package?
Compared with arranging hotels and flights separately, booking a MSO to HLN flight and hotel package with Expedia could result in significant savings. Better still, having it all in one place will take the hassle out of planning your trip. Simply secure your flights and choose from our wide range of hotels, then personalize your trip with other add-ons like activities and car rentals.
Can I cancel or change the date of my flight from Missoula Intl. Airport (MSO) to Helena Regional Airport (HLN)?
Generally, it's possible to reschedule or cancel your MSO to HLN flight. However, if the booking was made more than 24 hours ago, additional charges may apply. Refer to your airline's policies in your itinerary to see what changes are allowed and whether any costs are involved. You'll also find further details on our Customer Service portal.

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*Available to One Key members.