$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 25 — Sep 11
Round-trip
1 adult, Economy
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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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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 26, 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 26, 2026.
This Alaska Airlines deal was found by Cheapflights users on 7/21. 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 11/1010:49 am
BOI
- HLN
1 stop5h 15m
Alaska Airlines
Deal found 7/21![Alaska Airlines logo]()
$359
This Priceline deal was found by Cheapflights users on 7/24. 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 Priceline 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 10/812:58 pm
BOI
- HLN
1 stop3h 51m
Alaska Airlines
Deal found 7/24![Alaska Airlines logo]()
$377
This Delta deal was found by Cheapflights users on 7/23. 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.
Fri 8/145:40 am
HLN
- BOI
1 stop4h 08m
Delta
Sat 8/228:45 am
BOI
- HLN
1 stop3h 30m
Delta
Deal found 7/23![Delta logo]()
$422
This Travelocity deal was found by Cheapflights users on 7/24. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/85:26 pm
HLN
- BOI
1 stop4h 40m
Alaska Airlines
Fri 10/98:25 am
BOI
- HLN
1 stop8h 24m
Alaska Airlines
Deal found 7/24![Alaska Airlines logo]()
$424
This Alaska Airlines deal was found by Cheapflights users on 7/21. 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
1 stop6h 55m
Alaska Airlines
Fri 8/216:23 am
BOI
- HLN
1 stop10h 32m
Alaska Airlines
Deal found 7/21![Alaska Airlines logo]()
$432
This United Airlines deal was found by Cheapflights users on 7/24. 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.
Fri 8/146:15 am
HLN
- BOI
1 stop7h 23m
United Airlines
Fri 8/216:30 am
BOI
- HLN
1 stop7h 15m
United Airlines
Deal found 7/24![United Airlines logo]()
$459
This United Airlines deal was found by Cheapflights users on 7/26. 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 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
Sat 8/222:44 pm
BOI
- HLN
1 stop6h 46m
United Airlines
Deal found 7/26![United Airlines logo]()
$522
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 26, 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 26, 2026.
This Alaska Airlines deal was found by Cheapflights users on 7/21. 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 11/1010:49 am
BOI
- HLN
1 stop5h 15m
Alaska Airlines
Deal found 7/21![Alaska Airlines logo]()
$359
This Delta deal was found by Cheapflights users on 7/23. 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.
Fri 8/145:40 am
HLN
- BOI
1 stop4h 08m
Delta
Sat 8/228:45 am
BOI
- HLN
1 stop3h 30m
Delta
Deal found 7/23![Delta logo]()
$422
This Priceline deal was found by Cheapflights users on 7/24. 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 Priceline 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 10/812:58 pm
BOI
- HLN
1 stop3h 51m
Alaska Airlines
Deal found 7/24![Alaska Airlines logo]()
$377
This Alaska Airlines deal was found by Cheapflights users on 7/21. 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
1 stop6h 55m
Alaska Airlines
Fri 8/216:23 am
BOI
- HLN
1 stop10h 32m
Alaska Airlines
Deal found 7/21![Alaska Airlines logo]()
$432
Last-minute flights from Helena to BoiseDiscover last-minute flight deals from Helena to Boise. Data last updated July 26, 2026 and is based on user searches.
Discover last-minute flight deals from Helena to Boise. Data last updated July 26, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 7/21. 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 8/55:40 am
HLN
- BOI
1 stop4h 08m
Delta
Sun 8/96:00 am
BOI
- HLN
1 stop6h 15m
Delta
Deal found 7/21![Delta logo]()
$585
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/95:40 am
HLN
- BOI
1 stop4h 08m
Delta
Thu 8/136:00 am
BOI
- HLN
1 stop6h 15m
Delta
Deal found 7/25![Delta logo]()
$639
This Delta deal was found by Cheapflights users on 7/23. 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.
Fri 8/145:40 am
HLN
- BOI
1 stop4h 08m
Delta
Sat 8/228:45 am
BOI
- HLN
1 stop3h 30m
Delta
Deal found 7/23![Delta logo]()
$422
This Alaska Airlines deal was found by Cheapflights users on 7/21. 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
1 stop6h 55m
Alaska Airlines
Fri 8/216:23 am
BOI
- HLN
1 stop10h 32m
Alaska Airlines
Deal found 7/21![Alaska Airlines logo]()
$432
This United Airlines deal was found by Cheapflights users on 7/24. 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.
Fri 8/146:15 am
HLN
- BOI
1 stop7h 23m
United Airlines
Fri 8/216:30 am
BOI
- HLN
1 stop7h 15m
United Airlines
Deal found 7/24![United Airlines logo]()
$459
This United Airlines deal was found by Cheapflights users on 7/26. 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 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
Sat 8/222:44 pm
BOI
- HLN
1 stop6h 46m
United Airlines
Deal found 7/26![United Airlines logo]()
$522
This Alaska Airlines deal was found by Cheapflights users on 7/23. 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
Sat 8/227:48 pm
BOI
- HLN
1 stop21h 07m
Alaska Airlines
Deal found 7/23![Alaska Airlines logo]()
$674
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 26, 2026.
Search for one-way flight options from Helena to Boise. Find affordable one-way fares based on user searches. Data last updated July 26, 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 7/22. 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 8/1712:55 pm
HLN
- BOI
1 stop5h 00m
Delta
Deal found 7/22![Delta logo]()
$238
This Alaska Airlines deal was found by Cheapflights users on 7/22. 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 8/175:09 pm
HLN
- BOI
2 stops51h 11m
Alaska Airlines
Deal found 7/22![Alaska Airlines logo]()
$371
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 7/22. 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 8/175:09 pm
HLN
- BOI
3 stops53h 51m
Multiple Airlines
Deal found 7/22![Multiple Airlines logo]()
$690
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 26, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $359 (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 26, 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
10:49 am-4:04 pm
1 stop5h 15m
$359
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
12:58 pm-4:49 pm
1 stop3h 51m
$377
Quickest round-trip
HelenaBoise
HLN - BOI
HLNBOI
Helena
Fri 8/14
5:40 am-9:48 am
1 stop4h 08m
Boise Air Term. Gowen Fld
Sat 8/22
8:45 am-12:15 pm
1 stop3h 30m
$422
HelenaBoise
HLN - BOI
HLNBOI
Helena
Fri 8/14
5:09 pm-12:04 am
1 stop6h 55m
Boise Air Term. Gowen Fld
Fri 8/21
6:23 am-4:55 pm
1 stop10h 32m
$432
Cheapest one-way
Quickest one-way
HelenaBoise
HLN - BOI
HLNBOI
Helena
Mon 8/17
12:55 pm-5:55 pm
1 stop5h 00m
$238
HelenaBoise
HLN - BOI
HLNBOI
Helena
Tue 9/1
5:11 pm-3:32 pm
2 stops22h 21m
$282
HelenaBoise
HLN - BOI
HLNBOI
Helena
Mon 8/17
5:09 pm-8:20 pm
2 stops51h 11m
$371
HelenaBoise
HLN - BOI
HLNBOI
Helena
Tue 9/1
5:11 pm-10:27 pm
3 stops29h 16m
$608
HelenaBoise
HLN - BOI
HLNBOI
Helena
Mon 8/17
5:09 pm-11:00 pm
3 stops53h 51m
$690
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 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 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.
Boarding
8.1
Comfort
7.8
Entertainment
7.8
Crew
8.5
Food
7.2
Overall
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Boarding
8.1
Comfort
7.8
Entertainment
7.8
Crew
8.5
Food
7.2
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 locationsMeridian
Nampa
Caldwell
Ontario
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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 July 26, 2026.
Complete your trip
Complete your trip to Boise by adding a car rental and/or hotel reservation to your travel itinerary.
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Helena and Boise flights
Browse other Helena and Boise flight options. Last updated on July 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 July 26, 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 26, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$280 | Average$706 | FlexibilityNo cancel fee | On-timeN/A |