$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 9/3. Fares are subject to change and may not be available on all flights or dates of travel.
HLN — BOI
Sep 28 — Oct 51
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
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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
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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 29, 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 29, 2026.
This Delta deal was found by Cheapflights users on 8/24. 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 10/217:15 am -
1 stop3h 27m
Thu 10/226:00 am -
1 stop6h 28m
Deal found 8/24![Delta logo]()
$385
This Alaska Airlines deal was found by Cheapflights users on 8/25. 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.
Mon 10/265:26 pm -
1 stop6h 33m
Tue 10/276:43 am -
1 stop10h 06m
Deal found 8/25![Alaska Airlines logo]()
$400
This Expedia deal was found by Cheapflights users on 8/26. 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.
Thu 9/245:18 pm -
1 stop5h 20m
Sat 9/264:20 pm -
1 stop24h 21m
Deal found 8/26![Alaska Airlines logo]()
$445
This Alaska Airlines deal was found by Cheapflights users on 8/25. 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 stop24h 51m
Tue 10/2710:06 am -
1 stop6h 43m
Deal found 8/25![Alaska Airlines logo]()
$484
This Alaska Airlines deal was found by Cheapflights users on 8/24. 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.
Wed 10/215:26 pm -
1 stop4h 40m
Thu 10/227:37 pm -
2 stops45h 12m
Deal found 8/24![Alaska Airlines logo]()
$517
This Delta deal was found by Cheapflights users on 8/24. 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.
Tue 9/812:57 pm -
1 stop4h 57m
Sat 9/125:20 pm -
1 stop5h 09m
Deal found 8/24![Delta logo]()
$585
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 29, 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 29, 2026.
This Delta deal was found by Cheapflights users on 8/24. 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 10/217:15 am -
1 stop3h 27m
Thu 10/226:00 am -
1 stop6h 28m
Deal found 8/24![Delta logo]()
$385
This Alaska Airlines deal was found by Cheapflights users on 8/25. 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.
Mon 10/265:26 pm -
1 stop6h 33m
Tue 10/276:43 am -
1 stop10h 06m
Deal found 8/25![Alaska Airlines logo]()
$400
This Alaska Airlines deal was found by Cheapflights users on 8/25. 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 stop24h 51m
Tue 10/2710:06 am -
1 stop6h 43m
Deal found 8/25![Alaska Airlines logo]()
$484
This Alaska Airlines deal was found by Cheapflights users on 8/24. 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.
Wed 10/215:26 pm -
1 stop4h 40m
Thu 10/227:37 pm -
2 stops45h 12m
Deal found 8/24![Alaska Airlines logo]()
$517
This Delta deal was found by Cheapflights users on 8/24. 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.
Tue 9/812:57 pm -
1 stop4h 57m
Sat 9/125:20 pm -
1 stop5h 09m
Deal found 8/24![Delta logo]()
$585
This Alaska Airlines deal was found by Cheapflights users on 8/26. 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 9/245:18 pm -
1 stop5h 20m
Sat 9/267:20 am -
2 stops33h 21m
Deal found 8/26![Alaska Airlines logo]()
$522
This Alaska Airlines deal was found by Cheapflights users on 8/27. 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.
Fri 9/115:18 pm -
2 stops23h 57m
Tue 9/1510:00 am -
1 stop6h 41m
Deal found 8/27![Alaska Airlines logo]()
$696
This Alaska Airlines deal was found by Cheapflights users on 8/24. 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 -
2 stops29h 42m
Sat 9/1210:00 am -
1 stop6h 41m
Deal found 8/24![Alaska Airlines logo]()
$711
Last-minute flights from Helena to BoiseDiscover last-minute flight deals from Helena to Boise. Data last updated August 29, 2026 and is based on user searches.
Discover last-minute flight deals from Helena to Boise. Data last updated August 29, 2026 and is based on user searches.
This Expedia deal was found by Cheapflights users on 8/25. 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.
Fri 8/285:11 pm -
1 stop6h 33m
Fri 9/44:17 pm -
1 stop24h 17m
Deal found 8/25![Alaska Airlines logo]()
$820
This United Airlines deal was found by Cheapflights users on 8/24. 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 9/22:35 pm -
1 stop7h 02m
Sun 9/62:44 pm -
1 stop6h 46m
Deal found 8/24![United Airlines logo]()
$765
This Alaska Airlines deal was found by Cheapflights users on 8/24. 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.
Wed 9/25:11 pm -
1 stop6h 33m
Sun 9/68:25 pm -
2 stops20h 09m
Deal found 8/24![Alaska Airlines logo]()
$919
This Delta deal was found by Cheapflights users on 8/24. 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.
Tue 9/812:57 pm -
1 stop4h 57m
Sat 9/125:20 pm -
1 stop5h 09m
Deal found 8/24![Delta logo]()
$585
This Alaska Airlines deal was found by Cheapflights users on 8/24. 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 -
2 stops29h 42m
Sat 9/1210:00 am -
1 stop6h 41m
Deal found 8/24![Alaska Airlines logo]()
$711
This Alaska Airlines deal was found by Cheapflights users on 8/27. 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.
Fri 9/115:18 pm -
2 stops23h 57m
Tue 9/1510:00 am -
1 stop6h 41m
Deal found 8/27![Alaska Airlines logo]()
$696
This Expedia deal was found by Cheapflights users on 8/26. 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.
Thu 9/245:18 pm -
1 stop5h 20m
Sat 9/264:20 pm -
1 stop24h 21m
Deal found 8/26![Alaska Airlines logo]()
$445
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 29, 2026.
Search for one-way flight options from Helena to Boise. Find affordable one-way fares based on user searches. Data last updated August 29, 2026.
This Delta deal was found by Cheapflights users on 8/25. 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.
Thu 9/312:55 pm -
1 stop5h 00m
Deal found 8/25![Delta logo]()
$383
This Alaska Airlines deal was found by Cheapflights users on 8/25. 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 9/35:11 pm -
2 stops6h 44m
Deal found 8/25![Alaska Airlines logo]()
$607
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 29, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $385 (Delta) |
One-way from | $383 (Delta) |
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 7,457,451 searches. Data last updated August 29, 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 10/21
7:15 am-10:42 am
1 stop3h 27m
Boise Air Term. Gowen Fld
Thu 10/22
6:00 am-12:28 pm
1 stop6h 28m
$385
HelenaBoise
HLN Helena - BOI Boise Air Term. Gowen Fld
HLNBOI
Helena
Mon 10/26
5:26 pm-11:59 pm
1 stop6h 33m
Boise Air Term. Gowen Fld
Tue 10/27
6:43 am-4:49 pm
1 stop10h 06m
$400
HelenaBoise
HLN Helena - BOI Boise Air Term. Gowen Fld
HLNBOI
Helena
Sun 10/25
5:26 pm-6:17 pm
1 stop24h 51m
Boise Air Term. Gowen Fld
Tue 10/27
10:06 am-4:49 pm
1 stop6h 43m
$484
HelenaBoise
HLN Helena - BOI Boise Air Term. Gowen Fld
HLNBOI
Helena
Wed 10/21
5:26 pm-10:06 pm
1 stop4h 40m
Boise Air Term. Gowen Fld
Thu 10/22
7:37 pm-4:49 pm
2 stops45h 12m
$517
HelenaBoise
HLN Helena - BOI Boise Air Term. Gowen Fld
HLNBOI
Helena
Thu 9/24
5:18 pm-10:38 pm
1 stop5h 20m
Boise Air Term. Gowen Fld
Sat 9/26
7:20 am-4:41 pm
2 stops33h 21m
$522
HelenaBoise
HLN Helena - BOI Boise Air Term. Gowen Fld
HLNBOI
Helena
Tue 9/8
12:57 pm-5:54 pm
1 stop4h 57m
Boise Air Term. Gowen Fld
Sat 9/12
5:20 pm-10:29 pm
1 stop5h 09m
$585
HelenaBoise
HLN Helena - BOI Boise Air Term. Gowen Fld
HLNBOI
Helena
Fri 9/11
5:18 pm-5:15 pm
2 stops23h 57m
Boise Air Term. Gowen Fld
Tue 9/15
10:00 am-4:41 pm
1 stop6h 41m
$696
HelenaBoise
HLN Helena - BOI Boise Air Term. Gowen Fld
HLNBOI
Helena
Tue 9/8
5:18 pm-11:00 pm
2 stops29h 42m
Boise Air Term. Gowen Fld
Sat 9/12
10:00 am-4:41 pm
1 stop6h 41m
$711
Cheapest one-way
Quickest one-way
HelenaBoise
HLN Helena - BOI Boise Air Term. Gowen Fld
HLNBOI
Helena
Thu 9/3
12:55 pm-5:55 pm
1 stop5h 00m
$383
HelenaBoise
HLN Helena - BOI Boise Air Term. Gowen Fld
HLNBOI
Helena
Thu 9/3
5:11 pm-11:55 pm
2 stops6h 44m
$607
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 29, 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.
Boarding
8.1
Entertainment
7.8
Overall
7.8
Comfort
7.8
Crew
8.5
Food
7.2
Reviews
1 / 20
8.0
ExcellentJorge,Aug 2026
TPA - ATL
Boarding
8.1
Entertainment
7.8
Overall
7.8
Comfort
7.8
Crew
8.5
Food
7.2
Reviews
1 / 20
8.0
ExcellentJorge,Aug 2026
TPA - ATL
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 29, 2026.
Complete your trip
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Helena and Boise flights
Browse other Helena and Boise flight options. Last updated on August 29, 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 29, 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 7,457,451 searches. Data last updated August 29, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$280 | Average$586 | FlexibilityNo cancel fee | On-timeN/A |