$397 Cheap Flights from Helena (HLN) to Juneau (JNU)

View $397 flight on Wed, Sep 10, 2025Opens in a new window

Popular airlines from Helena, MT (HLN-Helena Regional) to Juneau, AK (JNU-Juneau Intl.)

Cheap Flights from Helena to Juneau (HLN-JNU)

Prices were available within the past 7 days and start at $397 for one-way flights and $729 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Alaska Airlines
Wed, Sep 3 - Tue, Sep 9
HLN
Helena
JNU
Juneau
$729 Roundtrip, found 4 days ago
$729
Roundtrip
found 4 days ago
Select Alaska Airlines flight, departing Wed, Sep 3 from Helena to Juneau, returning Tue, Sep 9, priced at $729 found 4 days ago
Alaska Airlines
Wed, Sep 3 - Tue, Sep 9
HLN
Helena
JNU
Juneau
$835 Roundtrip, found 4 days ago
$835
Roundtrip
found 4 days ago
Select Alaska Airlines flight, departing Wed, Sep 3 from Helena to Juneau, returning Tue, Sep 9, priced at $835 found 4 days ago
Alaska Airlines
Wed, Aug 20 - Mon, Aug 25
HLN
Helena
JNU
Juneau
$1,034 Roundtrip, found 2 days ago
$1,034
Roundtrip
found 2 days ago
Select Alaska Airlines flight, departing Wed, Aug 20 from Helena to Juneau, returning Mon, Aug 25, priced at $1,034 found 2 days ago
Alaska Airlines
Wed, Aug 20 - Mon, Aug 25
HLN
Helena
JNU
Juneau
$1,078 Roundtrip, found 2 days ago
$1,078
Roundtrip
found 2 days ago
Select Alaska Airlines flight, departing Wed, Aug 20 from Helena to Juneau, returning Mon, Aug 25, priced at $1,078 found 2 days ago
Flights from Helena (HLN) to Juneau (JNU)
Origin airport
Helena Regional
Destination airport
Juneau Intl.
Roundtrip price
$729
Distance
1239 mi

Helena to Juneau Flights

The cheapest times to fly from Helena to Juneau

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

 

The best time to book a flight from Helena to Juneau

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

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 Helena to Juneau in 2025. You can also book with separate airlines for your outbound and return journeys, from $397 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 Helena to Juneau 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 Helena to Juneau 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 Helena Regional Airport (HLN) to Juneau Intl. Airport (JNU) cost?
Secure a cheap one-way flight from $397 or cheap return flight from $729 from Helena Regional Airport (HLN) to Juneau Intl. Airport (JNU) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight deals on this route.
What is the cheapest month to fly from Helena Regional Airport (HLN) to Juneau Intl. Airport (JNU)?
The cheapest month to fly from HLN to JNU is September, when there's less demand. Off-peak months are generally when you'll find cheap fares for travel between these airports.
What is the cheapest airline that flies from Helena Regional Airport (HLN) to Juneau Intl. Airport (JNU)?
Expedia's filter tool lets you easily compare airlines, flight times and fares all in one place. Choose your preferences, then sort by "Price (lowest to highest)" to see which carrier offers the cheapest HLN to JNU flight.
How many flights per day from Helena Regional Airport (HLN) to Juneau Intl. Airport (JNU)?
You'll have to book a flight with a layover if you're traveling from Helena Regional Airport (HLN) to Juneau Intl. Airport (JNU). 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 HLN to JNU?
Friday is usually the busiest day for flights, while Tuesday is often the quietest.* Remember that flight schedules can vary based on various factors, such as the time of year and carrier.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Helena Regional Airport (HLN) to Juneau Intl. Airport (JNU)?
To avoid possible delays on the Helena Regional Airport (HLN) to Juneau Intl. Airport (JNU) route, fly before 3 PM. Departures after this hour 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 Helena Regional Airport (HLN) to Juneau Intl. Airport (JNU) last-minute?
Last-minute fares from HLN to JNU are generally more expensive. To secure the lowest rates, start searching for flights well in advance. That being said, if your travel plans are flexible, it's possible to score a cheap fare just before your departure.
Is it cheaper to book a HLN to JNU flight and hotel package?
Opting for a HLN to JNU flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your trip all in one place. Select from our wide range of accommodations and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Helena Regional Airport (HLN) to Juneau Intl. Airport (JNU)?
If you reserved your HLN to JNU flight in the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of fare you have, additional charges may apply for changes after that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, go to our Customer Service portal for further details.

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*Available to One Key members.