$230+ 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 8/31. Fares are subject to change and may not be available on all flights or dates of travel.
HLN — BOI
Sep 4 — Sep 111
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 5, 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 5, 2026.
This Alaska Airlines deal was found by Cheapflights users on 8/3. 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 11/34:41 pm -
1 stop7h 10m
Sat 11/710:49 am -
1 stop5h 15m
Deal found 8/3![Alaska Airlines logo]()
$367
This Alaska Airlines deal was found by Cheapflights users on 7/31. 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 9/175:18 pm -
1 stop6h 26m
Sun 9/204:20 pm -
1 stop24h 21m
Deal found 7/31![Alaska Airlines logo]()
$389
This Alaska Airlines deal was found by Cheapflights users on 7/31. 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.
Sat 11/74:41 pm -
2 stops44h 47m
Tue 11/106:41 pm -
2 stops21h 23m
Deal found 7/31![Alaska Airlines logo]()
$439
This Delta deal was found by Cheapflights users on 8/4. 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 9/15:40 am -
1 stop6h 34m
Mon 9/76:00 am -
1 stop6h 15m
Deal found 8/4![Delta logo]()
$445
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 5, 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 5, 2026.
This Alaska Airlines deal was found by Cheapflights users on 8/3. 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 11/34:41 pm -
1 stop7h 10m
Sat 11/710:49 am -
1 stop5h 15m
Deal found 8/3![Alaska Airlines logo]()
$367
This Alaska Airlines deal was found by Cheapflights users on 7/31. 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 9/175:18 pm -
1 stop6h 26m
Sun 9/204:20 pm -
1 stop24h 21m
Deal found 7/31![Alaska Airlines logo]()
$389
This Alaska Airlines deal was found by Cheapflights users on 7/31. 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.
Sat 11/74:41 pm -
2 stops44h 47m
Tue 11/1010:49 am -
1 stop5h 15m
Deal found 7/31![Alaska Airlines logo]()
$404
Last-minute flights from Helena to BoiseDiscover last-minute flight deals from Helena to Boise. Data last updated August 5, 2026 and is based on user searches.
Discover last-minute flight deals from Helena to Boise. Data last updated August 5, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 8/4. 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 9/15:40 am -
1 stop6h 34m
Mon 9/76:00 am -
1 stop6h 15m
Deal found 8/4![Delta logo]()
$445
This Alaska Airlines deal was found by Cheapflights users on 8/4. 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 9/15:11 pm -
1 stop6h 33m
Mon 9/71:32 pm -
2 stops27h 09m
Deal found 8/4![Alaska Airlines logo]()
$574
This Alaska Airlines deal was found by Cheapflights users on 7/31. 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 9/175:18 pm -
1 stop6h 26m
Sun 9/204:20 pm -
1 stop24h 21m
Deal found 7/31![Alaska Airlines logo]()
$389
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 5, 2026.
Search for one-way flight options from Helena to Boise. Find affordable one-way fares based on user searches. Data last updated August 5, 2026.
This United Airlines deal was found by Cheapflights users on 8/2. 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.
Mon 8/312:35 pm -
1 stop7h 02m
Deal found 8/2![United Airlines logo]()
$230
This Expedia deal was found by Cheapflights users on 8/4. 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.
Wed 9/305:18 pm -
1 stop16h 38m
Deal found 8/4![Alaska Airlines logo]()
$282
This Delta deal was found by Cheapflights users on 8/4. 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 8/205:40 am -
1 stop4h 08m
Deal found 8/4![Delta logo]()
$293
This Alaska Airlines deal was found by Cheapflights users on 8/2. 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 8/315:11 pm -
2 stops20h 01m
Deal found 8/2![Alaska Airlines logo]()
$348
This Expedia deal was found by Cheapflights users on 8/4. 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 8/205:34 pm -
2 stops16h 00m
Deal found 8/4![Alaska Airlines logo]()
$503
This Kiwi.com deal was found by Cheapflights users on 8/4. 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 9/305:18 pm -
3 stops43h 22m
Deal found 8/4![Multiple Airlines logo]()
$617
This Kiwi.com deal was found by Cheapflights users on 8/4. 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 8/205:34 pm -
3 stops28h 53m
Deal found 8/4![Multiple Airlines logo]()
$917
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 5, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $367 (Alaska Airlines) |
One-way from | $230 (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 5, 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 - BOI
HLNBOI
Helena
Tue 11/3
4:41 pm-11:51 pm
1 stop7h 10m
Boise Air Term. Gowen Fld
Sat 11/7
10:49 am-4:04 pm
1 stop5h 15m
$367
HelenaBoise
HLN - BOI
HLNBOI
Helena
Thu 9/17
5:18 pm-11:44 pm
1 stop6h 26m
Boise Air Term. Gowen Fld
Sun 9/20
4:20 pm-4:41 pm
1 stop24h 21m
$389
HelenaBoise
HLN - BOI
HLNBOI
Helena
Sat 11/7
4:41 pm-1:28 pm
2 stops44h 47m
Boise Air Term. Gowen Fld
Tue 11/10
10:49 am-4:04 pm
1 stop5h 15m
$404
Cheapest one-way
HelenaBoise
HLN - BOI
HLNBOI
Helena
Mon 8/31
2:35 pm-9:37 pm
1 stop7h 02m
$230
HelenaBoise
HLN - BOI
HLNBOI
Helena
Wed 9/30
5:18 pm-9:56 am
1 stop16h 38m
$282
Quickest one-way
HelenaBoise
HLN - BOI
HLNBOI
Helena
Thu 8/20
5:40 am-9:48 am
1 stop4h 08m
$293
HelenaBoise
HLN - BOI
HLNBOI
Helena
Mon 8/31
5:11 pm-1:12 pm
2 stops20h 01m
$348
HelenaBoise
HLN - BOI
HLNBOI
Helena
Thu 8/20
5:34 pm-9:34 am
2 stops16h 00m
$503
HelenaBoise
HLN - BOI
HLNBOI
Helena
Thu 8/20
5:34 pm-10:27 pm
3 stops28h 53m
$917
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 5, 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
Entertainment
7.8
Overall
7.8
Food
7.2
Boarding
8.1
Comfort
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Crew
8.5
Entertainment
7.8
Overall
7.8
Food
7.2
Boarding
8.1
Comfort
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
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Helena and Boise flights
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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 5, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$280 | Average$586 | FlexibilityNo cancel fee | On-timeN/A |