$210+ Cheap flights from Helena to Boise (HLN - BOI)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/7. Fares are subject to change and may not be available on all flights or dates of travel.
HLN — BOI
Oct 23 — Oct 301
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
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Best
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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 September 23, 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 September 23, 2026.
This Alaska Airlines deal was found by Cheapflights users on 9/22. 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.
Tue 11/104:41 pm -
1 stop5h 39m
Sat 11/146:37 am -
1 stop9h 27m
Deal found 9/22![Alaska Airlines logo]()
$394
This Alaska Airlines deal was found by Cheapflights users on 9/21. 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.
Wed 11/44:41 pm -
1 stop5h 39m
Sat 11/710:49 am -
1 stop5h 15m
Deal found 9/21![Alaska Airlines logo]()
$404
This Delta deal was found by Cheapflights users on 9/22. 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.
Wed 10/71:08 pm -
1 stop4h 51m
Sun 10/116:00 am -
1 stop6h 28m
Deal found 9/22![Delta logo]()
$605
This Delta deal was found by Cheapflights users on 9/21. 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 12/305:30 am -
1 stop4h 22m
Sat 1/25:50 am -
1 stop6h 35m
Deal found 9/21![Delta logo]()
$616
This Expedia deal was found by Cheapflights users on 9/21. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/304:18 pm -
1 stop6h 07m
Sat 1/27:00 am -
2 stops8h 41m
Deal found 9/21![Alaska Airlines logo]()
$718
This Alaska Airlines deal was found by Cheapflights users on 9/22. 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.
Wed 10/75:26 pm -
2 stops19h 44m
Sat 10/1010:06 am -
1 stop6h 43m
Deal found 9/22![Alaska Airlines logo]()
$764
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 September 23, 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 September 23, 2026.
This Alaska Airlines deal was found by Cheapflights users on 9/21. 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.
Wed 11/44:41 pm -
1 stop5h 39m
Sat 11/710:49 am -
1 stop5h 15m
Deal found 9/21![Alaska Airlines logo]()
$404
This Delta deal was found by Cheapflights users on 9/19. 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 10/47:15 am -
1 stop5h 01m
Thu 10/88:49 am -
1 stop3h 39m
Deal found 9/19![Delta logo]()
$862
This Alaska Airlines deal was found by Cheapflights users on 9/22. 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.
Tue 11/104:41 pm -
2 stops22h 46m
Sat 11/146:37 am -
1 stop9h 27m
Deal found 9/22![Alaska Airlines logo]()
$471
This Expedia deal was found by Cheapflights users on 9/21. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/304:18 pm -
1 stop6h 07m
Sat 1/27:00 am -
2 stops8h 41m
Deal found 9/21![Alaska Airlines logo]()
$718
This Alaska Airlines deal was found by Cheapflights users on 9/21. 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.
Wed 10/75:26 pm -
1 stop6h 33m
Sat 10/105:59 am -
2 stops10h 50m
Deal found 9/21![Alaska Airlines logo]()
$764
This Alaska Airlines deal was found by Cheapflights users on 9/22. 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.
Wed 10/75:26 pm -
1 stop6h 33m
Sun 10/115:59 am -
2 stops10h 50m
Deal found 9/22![Alaska Airlines logo]()
$799
Last-minute flights from Helena to BoiseDiscover last-minute flight deals from Helena to Boise. Data last updated September 23, 2026 and is based on user searches.
Discover last-minute flight deals from Helena to Boise. Data last updated September 23, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 9/22. 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.
Fri 9/2512:57 pm -
1 stop4h 57m
Mon 10/56:44 pm -
1 stop3h 40m
Deal found 9/22![Delta logo]()
$840
This Delta deal was found by Cheapflights users on 9/22. 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.
Fri 9/2512:57 pm -
1 stop4h 57m
Sun 9/278:49 am -
1 stop3h 28m
Deal found 9/22![Delta logo]()
$895
This United Airlines deal was found by Cheapflights users on 9/22. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/256:25 am -
2 stops9h 06m
Mon 10/52:44 pm -
1 stop6h 24m
Deal found 9/22![United Airlines logo]()
$1,222
This United Airlines deal was found by Cheapflights users on 9/21. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/22:30 pm -
1 stop19h 03m
Sun 10/46:25 am -
1 stop7h 23m
Deal found 9/21![United Airlines logo]()
$992
This Alaska Airlines deal was found by Cheapflights users on 9/21. 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 10/25:18 pm -
2 stops26h 25m
Sun 10/45:59 am -
2 stops10h 50m
Deal found 9/21![Alaska Airlines logo]()
$1,124
This Delta deal was found by Cheapflights users on 9/19. 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 10/47:15 am -
1 stop5h 01m
Thu 10/88:49 am -
1 stop3h 39m
Deal found 9/19![Delta logo]()
$862
This Alaska Airlines deal was found by Cheapflights users on 9/22. 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.
Wed 10/75:26 pm -
1 stop4h 40m
Sat 10/1010:06 am -
1 stop6h 43m
Deal found 9/22![Alaska Airlines logo]()
$605
This Alaska Airlines deal was found by Cheapflights users on 9/22. 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.
Wed 10/75:26 pm -
1 stop6h 33m
Sun 10/115:59 am -
2 stops10h 50m
Deal found 9/22![Alaska Airlines logo]()
$799
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 September 23, 2026.
Search for one-way flight options from Helena to Boise. Find affordable one-way fares based on user searches. Data last updated September 23, 2026.
This Trip.com deal was found by Cheapflights users on 9/23. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/74:41 pm -
1 stop5h 39m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/23![Alaska Airlines logo]()
$210
This United Airlines deal was found by Cheapflights users on 9/23. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/162:30 pm -
1 stop8h 03m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/23![United Airlines logo]()
$230
This KAYAK deal was found by Cheapflights users on 9/21. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/71:08 pm -
1 stop4h 51m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/21![Delta logo]()
$253
This Delta deal was found by Cheapflights users on 9/23. 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.
Sat 11/71:08 pm -
2 stops9h 00m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/23![Delta logo]()
$267
This Delta deal was found by Cheapflights users on 9/23. 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.
Thu 10/157:15 am -
1 stop3h 27m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/23![Delta logo]()
$287
This Alaska Airlines deal was found by Cheapflights users on 9/23. 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.
Mon 10/125:26 pm -
1 stop6h 33m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/23![Alaska Airlines logo]()
$303
This KAYAK deal was found by Cheapflights users on 9/21. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/87:15 am -
1 stop3h 27m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/21![Delta logo]()
$324
This Delta deal was found by Cheapflights users on 9/23. 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 10/161:08 pm -
2 stops22h 19m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/23![Delta logo]()
$368
This Alaska Airlines deal was found by Cheapflights users on 9/23. 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.
Tue 10/135:26 pm -
2 stops28h 35m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/23![Alaska Airlines logo]()
$418
This Alaska Airlines deal was found by Cheapflights users on 9/23. 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.
Thu 10/155:26 pm -
2 stops22h 18m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/23![Alaska Airlines logo]()
$422
This Delta deal was found by Cheapflights users on 9/23. 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.
Wed 10/147:15 am -
2 stops28h 12m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/23![Delta logo]()
$428
This United Airlines deal was found by Cheapflights users on 9/23. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/282:30 pm -
1 stop7h 05m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/23![United Airlines logo]()
$448
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 September 23, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $394 (Alaska Airlines) |
One-way from | $210 (Trip.com) |
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 September 23, 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 Helena - BOI Boise Air Term. Gowen Fld
HLNBOI
Helena
Wed 10/7
1:08 pm-5:59 pm
1 stop4h 51m
Boise Air Term. Gowen Fld
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$253
Quickest round-trip
HelenaBoise
HLN Helena - BOI Boise Air Term. Gowen Fld
HLNBOI
Helena
Sun 10/18
7:15 am-10:42 am
1 stop3h 27m
Boise Air Term. Gowen Fld
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$253
HelenaBoise
HLN Helena - BOI Boise Air Term. Gowen Fld
HLNBOI
Helena
Sat 11/7
1:08 pm-10:08 pm
2 stops9h 00m
Boise Air Term. Gowen Fld
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$267
HelenaBoise
HLN Helena - BOI Boise Air Term. Gowen Fld
HLNBOI
Helena
Thu 10/15
7:15 am-10:42 am
1 stop3h 27m
Boise Air Term. Gowen Fld
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$287
HelenaBoise
HLN Helena - BOI Boise Air Term. Gowen Fld
HLNBOI
Helena
Mon 10/12
5:26 pm-11:59 pm
1 stop6h 33m
Boise Air Term. Gowen Fld
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$303
HelenaBoise
HLN Helena - BOI Boise Air Term. Gowen Fld
HLNBOI
Helena
Wed 11/4
4:41 pm-10:20 pm
1 stop5h 39m
Boise Air Term. Gowen Fld
Sat 11/7
10:49 am-4:04 pm
1 stop5h 15m
$404
HelenaBoise
HLN Helena - BOI Boise Air Term. Gowen Fld
HLNBOI
Helena
Tue 11/10
4:41 pm-3:27 pm
2 stops22h 46m
Boise Air Term. Gowen Fld
Sat 11/14
6:37 am-4:04 pm
1 stop9h 27m
$471
HelenaBoise
HLN Helena - BOI Boise Air Term. Gowen Fld
HLNBOI
Helena
Sun 10/18
5:26 pm-11:54 pm
2 stops6h 28m
Boise Air Term. Gowen Fld
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$482
HelenaBoise
HLN Helena - BOI Boise Air Term. Gowen Fld
HLNBOI
Helena
Mon 9/28
5:18 pm-7:45 pm
2 stops26h 27m
Boise Air Term. Gowen Fld
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$699
HelenaBoise
HLN Helena - BOI Boise Air Term. Gowen Fld
HLNBOI
Helena
Wed 12/30
4:18 pm-10:25 pm
1 stop6h 07m
Boise Air Term. Gowen Fld
Sat 1/2
7:00 am-3:41 pm
2 stops8h 41m
$718
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 September.
| 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 September 23, 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
Crew
8.5
Food
7.2
Overall
7.8
Entertainment
7.8
Comfort
7.8
Reviews
1 / 20
4.0
OkayJennifer,Sep 2026
ORD - LGA
Boarding
8.1
Crew
8.5
Food
7.2
Overall
7.8
Entertainment
7.8
Comfort
7.8
Reviews
1 / 20
4.0
OkayJennifer,Sep 2026
ORD - LGA
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 September 23, 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 September 23, 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 September 23, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$280 | Average$561 | FlexibilityNo cancel fee | On-timeN/A |