How long is the flight from Helena to Boise?

There are many flights that can get you from Helena to Boise in 4h 47m. Fly via Delta or Alaska Airlines to get the fastest option. Airlines will cover a distance of 294 mi. This flight may include one or multiple stops.

In terms of precipitation, rainfall in Boise ranges from 0.2 - 1.6 inches per month. December is typically the wettest month, when rainfall can reach 1.6 in. August is typically the driest time to visit Boise when rainfall is around 0.2 in.

If weather is an important factor for your trip to Boise, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 75.2 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 30.2 F).

What is the cheapest time of day to fly from HLN to BOI?

When flying from Helena to Boise, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Most accurate provider : When it comes to deals on Helena-Boise flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Helena-Boise flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Helena-Boise flight searches over the past month and is updated monthly.

Most trusted provider : When it comes to deals on Helena-Boise flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Helena-Boise flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Can I find deals for flights from Helena to Boise that include hotel bookings?

Yes. In addition to deals on Helena to Boise flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Helena to Boise?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Helena to Boise.

Can I find deals for business class flights from Helena to Boise?

Yes. Cheapflights offers flight deals from Helena to Boise by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

Find Cheap Flights from Helena to Boise

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Find flight deals from Helena to Boise

Most accurate provider	FlightHub 3 stars
Most trusted provider	FlightHub 3 stars
Round-trip from	$575 (Delta)
One-way from	$198 (Travelocity)

Provider with most accurate pricing for Helena-Boise Air Term. Gowen Fld flight deals.

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Provider most trusted by Cheapflights users for Helena-Boise Air Term. Gowen Fld flights.

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From Helena to Boise Air Term. Gowen Fld

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One-way flight from Helena to Boise Air Term. Gowen Fld

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Compare providers for flights from Helena to Boise

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Helena to Boise in May.

Provider	Price Accuracy	Trust Score*
Expedia	Price Accuracy1 star	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

Most accurate provider: When it comes to deals on Helena-Boise flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Helena-Boise flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Helena-Boise flight searches over the past month and is updated monthly.
Most trusted provider: When it comes to deals on Helena-Boise flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Helena-Boise flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Helena to Boise

Have a flexible travel schedule? Discover the best time to fly to Boise from Helena with our price prediction graph.

HLN-BOI

Estimated round-trip price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Reviews of airlines servicing Boise

Read through reviews of airlines operating flights from Helena to Boise, such as Delta. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Delta

7.9

Good

8,425 reviews

Reviews

1 / 20

10.0

Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional

Delta

7.9

Good

8,425 reviews

Delta

7.9

Good

8,425 reviews

Reviews

1 / 20

10.0

Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional

Related info for your journey

How long is the flight from Helena to Boise?
There are many flights that can get you from Helena to Boise in 4h 47m. Fly via Delta or Alaska Airlines to get the fastest option. Airlines will cover a distance of 294 mi. This flight may include one or multiple stops.
Can I find deals for flights from Helena to Boise that include hotel bookings?
Yes. In addition to deals on Helena to Boise flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Helena to Boise?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Helena to Boise.
Can I find deals for business class flights from Helena to Boise?
Yes. Cheapflights offers flight deals from Helena to Boise by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

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Top airline flying from Helena to Boise

Airline	Cheapest	Average	Flexibility	On-time
Delta	Cheapest$280	Average$586	FlexibilityNo cancel fee	On-timeN/A

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Cheap flights from Helena to Boise (HLN - BOI)

Find cheap flights from Helena to Boise with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Find flight deals from Helena to Boise

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Compare providers for flights from Helena to Boise

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Helena to Boise in May.

Best time to book a flight from Helena to Boise

Have a flexible travel schedule? Discover the best time to fly to Boise from Helena with our price prediction graph.

Reviews of airlines servicing Boise

Get insights into the airlines that provide service to Boise. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Boise. Reviews last updated May 26, 2026.

Read through reviews of airlines operating flights from Helena to Boise, such as Delta. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from Helena to Boise. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

How long is the flight from Helena to Boise?

Can I find deals for flights from Helena to Boise that include hotel bookings?

How can I find direct flights from Helena to Boise?

Can I find deals for business class flights from Helena to Boise?

Traveling to a place near Boise?

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Alternative routes for Helena to Boise

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Other flights to Boise

Explore flights to Boise departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on May 26, 2026.

Complete your trip

Complete your trip to Boise by adding a car rental and/or hotel reservation to your travel itinerary.

Search flights from Helena to Boise by cabin class

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Helena and Boise flights

Browse other Helena and Boise flight options. Last updated on May 26, 2026.

Other flights from Helena

Browse through other flights departing from Helena. Flights are based on user searches made on Cheapflights and were last updated on May 26, 2026.

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