$183+ 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 9/1. Fares are subject to change and may not be available on all flights or dates of travel.
HLN — BOI
Aug 29 — Sep 51
Round-trip
1 adult, Economy
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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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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 July 30, 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 July 30, 2026.
This Alaska Airlines deal was found by Cheapflights users on 7/28. 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
HLN
- BOI
1 stop7h 10m
Alaska Airlines
Tue 11/106:33 am
BOI
- HLN
1 stop9h 31m
Alaska Airlines
Deal found 7/28![Alaska Airlines logo]()
$343
This Alaska Airlines deal was found by Cheapflights users on 7/29. 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 11/134:41 pm
HLN
- BOI
1 stop17h 21m
Alaska Airlines
Tue 11/171:51 pm
BOI
- HLN
1 stop26h 13m
Alaska Airlines
Deal found 7/29![Alaska Airlines logo]()
$353
This Alaska Airlines deal was found by Cheapflights users on 7/27. 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
HLN
- BOI
1 stop5h 20m
Alaska Airlines
Wed 9/1610:00 am
BOI
- HLN
1 stop6h 41m
Alaska Airlines
Deal found 7/27![Alaska Airlines logo]()
$377
This Travelocity deal was found by Cheapflights users on 7/29. 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 10/75:26 pm
HLN
- BOI
1 stop4h 40m
Alaska Airlines
Thu 10/86:43 am
BOI
- HLN
1 stop10h 06m
Alaska Airlines
Deal found 7/29![Alaska Airlines logo]()
$379
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 July 30, 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 July 30, 2026.
This Alaska Airlines deal was found by Cheapflights users on 7/27. 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.
Sat 11/74:41 pm
HLN
- BOI
1 stop7h 10m
Alaska Airlines
Tue 11/104:21 pm
BOI
- HLN
1 stop23h 43m
Alaska Airlines
Deal found 7/27![Alaska Airlines logo]()
$343
This Alaska Airlines deal was found by Cheapflights users on 7/29. 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 11/134:41 pm
HLN
- BOI
1 stop17h 21m
Alaska Airlines
Tue 11/171:51 pm
BOI
- HLN
1 stop26h 13m
Alaska Airlines
Deal found 7/29![Alaska Airlines logo]()
$353
This Travelocity deal was found by Cheapflights users on 7/29. 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 10/75:26 pm
HLN
- BOI
1 stop4h 40m
Alaska Airlines
Thu 10/86:43 am
BOI
- HLN
1 stop10h 06m
Alaska Airlines
Deal found 7/29![Alaska Airlines logo]()
$379
This Alaska Airlines deal was found by Cheapflights users on 7/27. 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
HLN
- BOI
1 stop6h 26m
Alaska Airlines
Wed 9/167:00 am
BOI
- HLN
2 stops9h 41m
Alaska Airlines
Deal found 7/27![Alaska Airlines logo]()
$454
Last-minute flights from Helena to BoiseDiscover last-minute flight deals from Helena to Boise. Data last updated July 30, 2026 and is based on user searches.
Discover last-minute flight deals from Helena to Boise. Data last updated July 30, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 7/30. 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 8/65:40 am
HLN
- BOI
1 stop4h 08m
Delta
Thu 8/138:45 am
BOI
- HLN
1 stop3h 30m
Delta
Deal found 7/30![Delta logo]()
$722
This Alaska Airlines deal was found by Cheapflights users on 7/28. 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 8/105:09 pm
HLN
- BOI
1 stop6h 55m
Alaska Airlines
Fri 8/148:15 am
BOI
- HLN
1 stop8h 17m
Alaska Airlines
Deal found 7/28![Alaska Airlines logo]()
$675
This United Airlines deal was found by Cheapflights users on 7/27. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/112:35 pm
HLN
- BOI
1 stop7h 02m
United Airlines
Sat 8/156:30 am
BOI
- HLN
1 stop7h 15m
United Airlines
Deal found 7/27![United Airlines logo]()
$585
This Alaska Airlines deal was found by Cheapflights users on 7/27. 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.
Tue 8/115:09 pm
HLN
- BOI
1 stop6h 55m
Alaska Airlines
Sat 8/156:53 pm
BOI
- HLN
2 stops21h 39m
Alaska Airlines
Deal found 7/27![Alaska Airlines logo]()
$774
This United Airlines deal was found by Cheapflights users on 7/27. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/142:35 pm
HLN
- BOI
1 stop8h 05m
United Airlines
Fri 8/212:44 pm
BOI
- HLN
1 stop6h 46m
United Airlines
Deal found 7/27![United Airlines logo]()
$522
This United Airlines deal was found by Cheapflights users on 7/29. 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.
Fri 8/142:35 pm
HLN
- BOI
1 stop7h 02m
United Airlines
Sat 8/222:44 pm
BOI
- HLN
1 stop6h 46m
United Airlines
Deal found 7/29![United Airlines logo]()
$532
This United Airlines deal was found by Cheapflights users on 7/30. 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.
Fri 8/142:35 pm
HLN
- BOI
1 stop7h 02m
United Airlines
Tue 8/182:44 pm
BOI
- HLN
1 stop6h 46m
United Airlines
Deal found 7/30![United Airlines logo]()
$605
This Alaska Airlines deal was found by Cheapflights users on 7/27. 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 8/145:09 pm
HLN
- BOI
2 stops19h 40m
Alaska Airlines
Fri 8/216:23 am
BOI
- HLN
1 stop10h 32m
Alaska Airlines
Deal found 7/27![Alaska Airlines logo]()
$654
This Alaska Airlines deal was found by Cheapflights users on 7/30. 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 8/145:09 pm
HLN
- BOI
2 stops26h 04m
Alaska Airlines
Tue 8/1811:42 am
BOI
- HLN
1 stop4h 50m
Alaska Airlines
Deal found 7/30![Alaska Airlines logo]()
$695
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 July 30, 2026.
Search for one-way flight options from Helena to Boise. Find affordable one-way fares based on user searches. Data last updated July 30, 2026.
This Priceline deal was found by Cheapflights users on 7/25. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/15:11 pm
HLN
- BOI
1 stop6h 33m
Alaska Airlines
Deal found 7/25![Alaska Airlines logo]()
$183
This Delta deal was found by Cheapflights users on 7/30. 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.
Sun 12/205:45 am
HLN
- BOI
1 stop4h 34m
Delta
Deal found 7/30![Delta logo]()
$213
This Delta deal was found by Cheapflights users on 7/28. 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.
Mon 8/245:40 am
HLN
- BOI
1 stop4h 08m
Delta
Deal found 7/28![Delta logo]()
$253
This Alaska Airlines deal was found by Cheapflights users on 7/30. 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 12/224:18 pm
HLN
- BOI
1 stop6h 07m
Alaska Airlines
Deal found 7/30![Alaska Airlines logo]()
$303
This Priceline deal was found by Cheapflights users on 7/30. 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.
Mon 12/214:18 pm
HLN
- BOI
2 stops7h 41m
Alaska Airlines
Deal found 7/30![Alaska Airlines logo]()
$392
This Alaska Airlines deal was found by Cheapflights users on 7/28. 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 8/245:11 pm
HLN
- BOI
2 stops24h 58m
Alaska Airlines
Deal found 7/28![Alaska Airlines logo]()
$502
This Kiwi.com deal was found by Cheapflights users on 7/25. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/15:11 pm
HLN
- BOI
3 stops29h 16m
Multiple Airlines
Deal found 7/25![Multiple Airlines logo]()
$608
This Kiwi.com deal was found by Cheapflights users on 7/28. 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.
Mon 8/245:11 pm
HLN
- BOI
3 stops20h 10m
Multiple Airlines
Deal found 7/28![Multiple Airlines logo]()
$883
This Kiwi.com deal was found by Cheapflights users on 7/30. 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.
Tue 12/224:18 pm
HLN
- BOI
3 stops43h 26m
Multiple Airlines
Deal found 7/30![Multiple Airlines logo]()
$1,573
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 July 30, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $343 (Alaska Airlines) |
One-way from | $183 (Priceline) |
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 July 30, 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
HelenaBoise
HLN - BOI
HLNBOI
Helena
Sat 11/7
4:41 pm-11:51 pm
1 stop7h 10m
Boise Air Term. Gowen Fld
Tue 11/10
4:21 pm-4:04 pm
1 stop23h 43m
$343
HelenaBoise
HLN - BOI
HLNBOI
Helena
Fri 11/13
4:41 pm-10:02 am
1 stop17h 21m
Boise Air Term. Gowen Fld
Tue 11/17
1:51 pm-4:04 pm
1 stop26h 13m
$353
Quickest round-trip
HelenaBoise
HLN - BOI
HLNBOI
Helena
Wed 10/7
5:26 pm-10:06 pm
1 stop4h 40m
Boise Air Term. Gowen Fld
Thu 10/8
6:43 am-4:49 pm
1 stop10h 06m
$379
HelenaBoise
HLN - BOI
HLNBOI
Helena
Fri 9/11
5:18 pm-11:44 pm
1 stop6h 26m
Boise Air Term. Gowen Fld
Wed 9/16
7:00 am-4:41 pm
2 stops9h 41m
$454
Cheapest one-way
Quickest one-way
HelenaBoise
HLN - BOI
HLNBOI
Helena
Mon 12/21
1:09 pm-4:49 pm
1 stop3h 40m
$213
HelenaBoise
HLN - BOI
HLNBOI
Helena
Mon 8/24
5:40 am-9:48 am
1 stop4h 08m
$253
HelenaBoise
HLN - BOI
HLNBOI
Helena
Tue 9/1
5:11 pm-3:32 pm
2 stops22h 21m
$282
HelenaBoise
HLN - BOI
HLNBOI
Helena
Tue 12/22
4:18 pm-11:59 pm
2 stops7h 41m
$392
HelenaBoise
HLN - BOI
HLNBOI
Helena
Mon 12/21
4:18 pm-11:59 pm
2 stops7h 41m
$392
HelenaBoise
HLN - BOI
HLNBOI
Helena
Sun 12/20
5:45 am-2:22 pm
2 stops8h 37m
$422
Showing 1-10 of 13 resultsSorted 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 July.
| 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 July 30, 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
Overall
7.8
Food
7.2
Entertainment
7.8
Comfort
7.8
Crew
8.5
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Boarding
8.1
Overall
7.8
Food
7.2
Entertainment
7.8
Comfort
7.8
Crew
8.5
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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Helena and Boise flights
Browse other Helena and Boise flight options. Last updated on July 30, 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 July 30, 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 July 30, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$280 | Average$706 | FlexibilityNo cancel fee | On-timeN/A |