$532 Cheap Flights from Helena (HLN) to Twin Falls (TWF)

View $532 flight on Wed, Aug 13, 2025Opens in a new window

Popular airlines from Helena, MT (HLN-Helena Regional) to Twin Falls, ID (TWF)

Cheap Flights from Helena to Twin Falls (HLN-TWF)

Prices were available within the past 7 days and start at $532 for one-way flights and $597 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Wed, Aug 13 - Wed, Aug 20
HLN
Helena
TWF
Twin Falls
$597 Roundtrip, found 4 days ago
$597
Roundtrip
found 4 days ago
Select Delta flight, departing Wed, Aug 13 from Helena to Twin Falls, returning Wed, Aug 20, priced at $597 found 4 days ago
Delta
Wed, Aug 13 - Tue, Aug 19
HLN
Helena
TWF
Twin Falls
$617 Roundtrip, found 4 days ago
$617
Roundtrip
found 4 days ago
Select Delta flight, departing Wed, Aug 13 from Helena to Twin Falls, returning Tue, Aug 19, priced at $617 found 4 days ago
Delta
Sat, Aug 9 - Wed, Aug 20
HLN
Helena
TWF
Twin Falls
$647 Roundtrip, found 4 days ago
$647
Roundtrip
found 4 days ago
Select Delta flight, departing Sat, Aug 9 from Helena to Twin Falls, returning Wed, Aug 20, priced at $647 found 4 days ago
Delta
Sat, Aug 9 - Tue, Aug 19
HLN
Helena
TWF
Twin Falls
$667 Roundtrip, found 4 days ago
$667
Roundtrip
found 4 days ago
Select Delta flight, departing Sat, Aug 9 from Helena to Twin Falls, returning Tue, Aug 19, priced at $667 found 4 days ago
Delta
Fri, Aug 15 - Wed, Aug 20
HLN
Helena
TWF
Twin Falls
$676 Roundtrip, found 4 days ago
$676
Roundtrip
found 4 days ago
Select Delta flight, departing Fri, Aug 15 from Helena to Twin Falls, returning Wed, Aug 20, priced at $676 found 4 days ago
Delta
Wed, Aug 13 - Thu, Aug 21
HLN
Helena
TWF
Twin Falls
$683 Roundtrip, found 4 days ago
$683
Roundtrip
found 4 days ago
Select Delta flight, departing Wed, Aug 13 from Helena to Twin Falls, returning Thu, Aug 21, priced at $683 found 4 days ago
Delta
Fri, Aug 15 - Tue, Aug 19
HLN
Helena
TWF
Twin Falls
$696 Roundtrip, found 4 days ago
$696
Roundtrip
found 4 days ago
Select Delta flight, departing Fri, Aug 15 from Helena to Twin Falls, returning Tue, Aug 19, priced at $696 found 4 days ago
Delta
Sat, Aug 9 - Thu, Aug 21
HLN
Helena
TWF
Twin Falls
$733 Roundtrip, found 4 days ago
$733
Roundtrip
found 4 days ago
Select Delta flight, departing Sat, Aug 9 from Helena to Twin Falls, returning Thu, Aug 21, priced at $733 found 4 days ago
Delta
Sun, Aug 10 - Wed, Aug 20
HLN
Helena
TWF
Twin Falls
$746 Roundtrip, found 4 days ago
$746
Roundtrip
found 4 days ago
Select Delta flight, departing Sun, Aug 10 from Helena to Twin Falls, returning Wed, Aug 20, priced at $746 found 4 days ago
Delta
Fri, Aug 15 - Thu, Aug 21
HLN
Helena
TWF
Twin Falls
$762 Roundtrip, found 4 days ago
$762
Roundtrip
found 4 days ago
Select Delta flight, departing Fri, Aug 15 from Helena to Twin Falls, returning Thu, Aug 21, priced at $762 found 4 days ago
Flights from Helena (HLN) to Twin Falls (TWF)
Origin airport
Helena Regional
Destination airport
Twin Falls
Roundtrip price
$596
Distance
310 mi

Helena to Twin Falls Flights

The cheapest times to fly from Helena to Twin Falls

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

 

The best time to book a flight from Helena to Twin Falls

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

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 Twin Falls in 2025. You can also book with separate airlines for your outbound and return journeys, from $532 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 Twin Falls 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 Twin Falls 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 Twin Falls Airport (TWF) cost?
Discover the latest flight deals from HLN to TWF 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 HLN to TWF?
The cheapest flights from HLN to TWF 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 HLN to TWF?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that'll take you from HLN to TWF. Sort your results by "Price (lowest to highest)" to snap up a great deal.
How many flights per day from Helena Regional Airport (HLN) to Twin Falls Airport (TWF)?
You'll have to take a flight with a layover if you're traveling from Helena Regional Airport (HLN) to Twin Falls Airport (TWF). There are no daily direct flights on this route. However, just filter your search to include one or more stops to find the best option for your trip.
What day of the week has the most flights from HLN to TWF?
You'll typically 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 Helena Regional Airport (HLN) to Twin Falls Airport (TWF)?
Select a flight from Helena Regional Airport (HLN) to Twin Falls Airport (TWF) that takes off before 3 PM to reduce the likelihood of delays and cancellations. Later departures 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 Helena Regional Airport (HLN) to Twin Falls Airport (TWF) last-minute?
Last-minute bookings from HLN to TWF are generally more expensive. To lock in the best rates, start looking for flights ahead of time. That said, if you're flexible with your travel plans, you may land a cheap ticket right before you leave.
Is it cheaper to book a HLN to TWF flight and hotel package?
You'll generally save money by booking a HLN to TWF flight and hotel package compared to booking separately. In fact, you could save hundreds of dollars by bundling with Expedia. And it's simple to manage everything in one place. Once you've chosen your preferred flights and accommodations, you can add extras such as car rentals, tours and activities.
Can I cancel or change the date of my flight from Helena Regional Airport (HLN) to Twin Falls Airport (TWF)?
Typically, it's possible to reschedule or cancel your HLN to TWF flight. However, for bookings made more than 24 hours ago, additional fees may apply. Refer to your airline's policies in your itinerary to see what changes are possible 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.