$383+ Cheap flights from Helena to Boise (HLN - BOI)
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/26. Fares are subject to change and may not be available on all flights or dates of travel.
HLN — BOI
Sep 15 — Sep 221
Round-trip
1 adult, Economy
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Find cheap flights from Helena to Boise with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Helena to Boise
Cheapest
Best
Last-minute
One-way
Cheapest flights from Helena to BoiseExplore the most affordable flight options available from Helena to Boise. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 16, 2026.
Explore the most affordable flight options available from Helena to Boise. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 16, 2026.
This Delta deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/117:00 am -
1 stop5h 17m
Sat 11/145:10 pm -
1 stop5h 22m
Deal found 8/12![Delta logo]()
$385
This Alaska Airlines deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/225:18 pm -
1 stop6h 26m
Sat 9/2610:00 am -
1 stop6h 41m
Deal found 8/13![Alaska Airlines logo]()
$405
This Expedia deal was found by Cheapflights users on 8/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/255:26 pm -
1 stop6h 33m
Wed 10/286:43 am -
1 stop10h 06m
Deal found 8/11![Alaska Airlines logo]()
$432
This Alaska Airlines deal was found by Cheapflights users on 8/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/85:18 pm -
1 stop6h 26m
Tue 9/157:48 pm -
1 stop20h 53m
Deal found 8/11![Alaska Airlines logo]()
$445
This Travelocity deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/114:41 pm -
1 stop5h 39m
Sat 11/147:08 am -
2 stops8h 56m
Deal found 8/12![Alaska Airlines logo]()
$481
This United Airlines deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/102:26 pm -
1 stop7h 19m
Sat 9/122:41 pm -
1 stop6h 49m
Deal found 8/12![United Airlines logo]()
$507
This Alaska Airlines deal was found by Cheapflights users on 8/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/105:18 pm -
1 stop5h 20m
Thu 9/176:00 am -
2 stops10h 41m
Deal found 8/11![Alaska Airlines logo]()
$511
Best flights from Helena to BoiseDiscover carefully curated flight deals from Helena to Boise that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 16, 2026.
Discover carefully curated flight deals from Helena to Boise that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 16, 2026.
This Delta deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/117:00 am -
1 stop5h 17m
Sat 11/145:10 pm -
1 stop5h 22m
Deal found 8/12![Delta logo]()
$385
This Orbitz deal was found by Cheapflights users on 8/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/105:18 pm -
1 stop6h 26m
Thu 9/178:03 am -
1 stop8h 38m
Deal found 8/11![Alaska Airlines logo]()
$405
This United Airlines deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/102:26 pm -
1 stop7h 19m
Sat 9/122:41 pm -
1 stop6h 49m
Deal found 8/12![United Airlines logo]()
$507
This Alaska Airlines deal was found by Cheapflights users on 8/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/225:18 pm -
1 stop6h 26m
Sat 9/2610:00 am -
1 stop6h 41m
Deal found 8/15![Alaska Airlines logo]()
$405
This Alaska Airlines deal was found by Cheapflights users on 8/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/255:26 pm -
1 stop6h 33m
Wed 10/282:27 pm -
2 stops26h 22m
Deal found 8/11![Alaska Airlines logo]()
$513
Last-minute flights from Helena to BoiseDiscover last-minute flight deals from Helena to Boise. Data last updated August 16, 2026 and is based on user searches.
Discover last-minute flight deals from Helena to Boise. Data last updated August 16, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 8/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/2912:55 pm -
1 stop6h 05m
Wed 9/26:00 am -
1 stop6h 15m
Deal found 8/14![Delta logo]()
$585
This Alaska Airlines deal was found by Cheapflights users on 8/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/85:18 pm -
1 stop6h 26m
Tue 9/157:48 pm -
1 stop20h 53m
Deal found 8/11![Alaska Airlines logo]()
$445
This United Airlines deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/102:26 pm -
1 stop7h 19m
Sat 9/122:41 pm -
1 stop6h 49m
Deal found 8/12![United Airlines logo]()
$507
This Alaska Airlines deal was found by Cheapflights users on 8/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/105:18 pm -
1 stop5h 20m
Thu 9/176:00 am -
2 stops10h 41m
Deal found 8/11![Alaska Airlines logo]()
$511
This Alaska Airlines deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/105:18 pm -
1 stop6h 26m
Sat 9/126:00 am -
2 stops10h 41m
Deal found 8/12![Alaska Airlines logo]()
$598
This Alaska Airlines deal was found by Cheapflights users on 8/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/225:18 pm -
1 stop6h 26m
Sat 9/2610:00 am -
1 stop6h 41m
Deal found 8/11![Alaska Airlines logo]()
$405
One-way flights from Helena to BoiseSearch for one-way flight options from Helena to Boise. Find affordable one-way fares based on user searches. Data last updated August 16, 2026.
Search for one-way flight options from Helena to Boise. Find affordable one-way fares based on user searches. Data last updated August 16, 2026.
This United Airlines deal was found by Cheapflights users on 8/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/262:35 pm -
1 stop8h 05m
Deal found 8/14![United Airlines logo]()
$383
This Priceline deal was found by Cheapflights users on 8/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/265:11 pm -
2 stops6h 44m
Deal found 8/14![Alaska Airlines logo]()
$607
This Alaska Airlines deal was found by Cheapflights users on 8/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/275:11 pm -
2 stops30h 44m
Deal found 8/14![Alaska Airlines logo]()
$643
This Kiwi.com deal was found by Cheapflights users on 8/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/265:11 pm -
3 stops44h 10m
Deal found 8/14![Multiple Airlines logo]()
$914
This Kiwi.com deal was found by Cheapflights users on 8/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/275:11 pm -
3 stops44h 10m
Deal found 8/14![Multiple Airlines logo]()
$964
Find flight deals from Helena to Boise
Discover tips and strategies to find the most affordable flight options for your journey from Helena (HLN) to Boise (BOI). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated August 16, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $385 (Delta) |
One-way from | $383 (United Airlines) |
Cheapflights Fare Finder
Customize your flight search to find flights from Helena to Boise that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated August 16, 2026.
Use the filters below to find and compare flights from Helena to Boise that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Quickest round-trip
HelenaBoise
HLN Helena - BOI Boise Air Term. Gowen Fld
HLNBOI
Helena
Wed 11/11
7:00 am-12:17 pm
1 stop5h 17m
Boise Air Term. Gowen Fld
Sat 11/14
5:10 pm-10:32 pm
1 stop5h 22m
$385
HelenaBoise
HLN Helena - BOI Boise Air Term. Gowen Fld
HLNBOI
Helena
Thu 9/10
5:18 pm-11:44 pm
1 stop6h 26m
Boise Air Term. Gowen Fld
Thu 9/17
8:03 am-4:41 pm
1 stop8h 38m
$405
HelenaBoise
HLN Helena - BOI Boise Air Term. Gowen Fld
HLNBOI
Helena
Tue 9/22
5:18 pm-11:44 pm
1 stop6h 26m
Boise Air Term. Gowen Fld
Sat 9/26
10:00 am-4:41 pm
1 stop6h 41m
$405
HelenaBoise
HLN Helena - BOI Boise Air Term. Gowen Fld
HLNBOI
Helena
Thu 9/10
2:26 pm-9:45 pm
1 stop7h 19m
Boise Air Term. Gowen Fld
Sat 9/12
2:41 pm-9:30 pm
1 stop6h 49m
$507
HelenaBoise
HLN Helena - BOI Boise Air Term. Gowen Fld
HLNBOI
Helena
Sun 10/25
5:26 pm-11:59 pm
1 stop6h 33m
Boise Air Term. Gowen Fld
Wed 10/28
2:27 pm-4:49 pm
2 stops26h 22m
$513
Cheapest one-way
HelenaBoise
HLN Helena - BOI Boise Air Term. Gowen Fld
HLNBOI
Helena
Wed 8/26
2:35 pm-10:40 pm
1 stop8h 05m
$383
Quickest one-way
HelenaBoise
HLN Helena - BOI Boise Air Term. Gowen Fld
HLNBOI
Helena
Thu 8/27
5:40 am-9:48 am
1 stop4h 08m
$383
HelenaBoise
HLN Helena - BOI Boise Air Term. Gowen Fld
HLNBOI
Helena
Wed 8/26
5:11 pm-1:21 pm
3 stops44h 10m
$914
Sorted by cheapest first
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 August.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- 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
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 August 16, 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.
Crew
8.5
Comfort
7.8
Entertainment
7.8
Food
7.2
Boarding
8.1
Overall
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Crew
8.5
Comfort
7.8
Entertainment
7.8
Food
7.2
Boarding
8.1
Overall
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
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.
Traveling to a place near Boise?
Book flights to Boise if you plan to visit one of these locationsOntario
Meridian
Nampa
Caldwell
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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 August 16, 2026.
Complete your trip
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Helena and Boise flights
Browse other Helena and Boise flight options. Last updated on August 16, 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 August 16, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top airline flying from Helena to Boise
Discover the top airline that operate flights from Helena to Boise. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated August 16, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$280 | Average$586 | FlexibilityNo cancel fee | On-timeN/A |