$288+ 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 4/28. Fares are subject to change and may not be available on all flights or dates of travel.
HLN — BOI
May 17 — May 241
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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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 April 17, 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 April 17, 2026.
This Alaska Airlines deal was found by Cheapflights users on 4/13. 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 5/294:43 pm
HLN
- BOI
1 stop20h 19m
Alaska Airlines
Tue 6/26:35 am
BOI
- HLN
1 stop9h 31m
Alaska Airlines
Deal found 4/13![Alaska Airlines logo]()
$343
This Expedia deal was found by Cheapflights users on 4/14. 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 5/76:22 pm
HLN
- BOI
1 stop5h 37m
Alaska Airlines
Sun 5/106:00 am
BOI
- HLN
1 stop11h 45m
Alaska Airlines
Deal found 4/14![Alaska Airlines logo]()
$345
This Alaska Airlines deal was found by Cheapflights users on 4/16. 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 5/76:22 pm
HLN
- BOI
1 stop5h 37m
Alaska Airlines
Fri 5/87:20 pm
BOI
- HLN
1 stop22h 25m
Alaska Airlines
Deal found 4/16![Alaska Airlines logo]()
$373
This Delta deal was found by Cheapflights users on 4/16. 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 9/45:45 am
HLN
- BOI
1 stop4h 28m
Delta
Sun 9/66:00 am
BOI
- HLN
1 stop6h 23m
Delta
Deal found 4/16![Delta logo]()
$395
This Alaska Airlines deal was found by Cheapflights users on 4/13. 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 5/36:22 pm
HLN
- BOI
1 stop25h 49m
Alaska Airlines
Tue 5/1212:15 pm
BOI
- HLN
1 stop5h 30m
Alaska Airlines
Deal found 4/13![Alaska Airlines logo]()
$450
This Alaska Airlines deal was found by Cheapflights users on 4/15. 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 5/76:22 pm
HLN
- BOI
1 stop5h 37m
Alaska Airlines
Sun 5/176:07 pm
BOI
- HLN
1 stop21h 59m
Alaska Airlines
Deal found 4/15![Alaska Airlines logo]()
$483
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 April 17, 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 April 17, 2026.
This Alaska Airlines deal was found by Cheapflights users on 4/15. 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 5/294:43 pm
HLN
- BOI
1 stop25h 31m
Alaska Airlines
Tue 6/26:35 am
BOI
- HLN
1 stop9h 31m
Alaska Airlines
Deal found 4/15![Alaska Airlines logo]()
$353
This Delta deal was found by Cheapflights users on 4/16. 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 9/45:45 am
HLN
- BOI
1 stop4h 28m
Delta
Sun 9/66:00 am
BOI
- HLN
1 stop6h 23m
Delta
Deal found 4/16![Delta logo]()
$395
This Expedia deal was found by Cheapflights users on 4/17. 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 7/105:09 pm
HLN
- BOI
1 stop6h 55m
Alaska Airlines
Sun 7/126:23 am
BOI
- HLN
1 stop10h 09m
Alaska Airlines
Deal found 4/17![Alaska Airlines logo]()
$395
This Expedia deal was found by Cheapflights users on 4/14. 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 5/76:22 pm
HLN
- BOI
1 stop5h 37m
Alaska Airlines
Sun 5/105:50 am
BOI
- HLN
2 stops11h 55m
Alaska Airlines
Deal found 4/14![Alaska Airlines logo]()
$454
This Alaska Airlines deal was found by Cheapflights users on 4/16. 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 5/76:22 pm
HLN
- BOI
1 stop5h 37m
Alaska Airlines
Fri 5/88:11 am
BOI
- HLN
2 stops33h 34m
Alaska Airlines
Deal found 4/16![Alaska Airlines logo]()
$470
This Alaska Airlines deal was found by Cheapflights users on 4/15. 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 5/76:22 pm
HLN
- BOI
1 stop5h 37m
Alaska Airlines
Sun 5/176:07 pm
BOI
- HLN
1 stop21h 59m
Alaska Airlines
Deal found 4/15![Alaska Airlines logo]()
$483
Last-minute flights from Helena to BoiseDiscover last-minute flight deals from Helena to Boise. Data last updated April 17, 2026 and is based on user searches.
Discover last-minute flight deals from Helena to Boise. Data last updated April 17, 2026 and is based on user searches.
This Alaska Airlines deal was found by Cheapflights users on 4/13. 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 5/36:22 pm
HLN
- BOI
1 stop25h 49m
Alaska Airlines
Tue 5/1212:15 pm
BOI
- HLN
1 stop5h 30m
Alaska Airlines
Deal found 4/13![Alaska Airlines logo]()
$450
This Expedia deal was found by Cheapflights users on 4/14. 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 5/76:22 pm
HLN
- BOI
1 stop5h 37m
Alaska Airlines
Sun 5/106:00 am
BOI
- HLN
1 stop11h 45m
Alaska Airlines
Deal found 4/14![Alaska Airlines logo]()
$345
This Alaska Airlines deal was found by Cheapflights users on 4/16. 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 5/76:22 pm
HLN
- BOI
1 stop5h 37m
Alaska Airlines
Fri 5/87:20 pm
BOI
- HLN
1 stop22h 25m
Alaska Airlines
Deal found 4/16![Alaska Airlines logo]()
$373
This Alaska Airlines deal was found by Cheapflights users on 4/15. 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 5/76:22 pm
HLN
- BOI
1 stop5h 37m
Alaska Airlines
Sun 5/176:07 pm
BOI
- HLN
1 stop21h 59m
Alaska Airlines
Deal found 4/15![Alaska Airlines logo]()
$483
This Alaska Airlines deal was found by Cheapflights users on 4/13. 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 5/294:43 pm
HLN
- BOI
1 stop20h 19m
Alaska Airlines
Tue 6/26:35 am
BOI
- HLN
1 stop9h 31m
Alaska Airlines
Deal found 4/13![Alaska Airlines logo]()
$343
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 April 17, 2026.
Search for one-way flight options from Helena to Boise. Find affordable one-way fares based on user searches. Data last updated April 17, 2026.
This United Airlines deal was found by Cheapflights users on 4/14. 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 4/282:25 pm
HLN
- BOI
1 stop8h 10m
United Airlines
Deal found 4/14![United Airlines logo]()
$288
This Alaska Airlines deal was found by Cheapflights users on 4/14. 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 4/286:22 pm
HLN
- BOI
2 stops24h 08m
Alaska Airlines
Deal found 4/14![Alaska Airlines logo]()
$348
This Delta deal was found by Cheapflights users on 4/14. 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 4/275:40 am
HLN
- BOI
1 stop4h 13m
Delta
Deal found 4/14![Delta logo]()
$378
This Alaska Airlines deal was found by Cheapflights users on 4/14. 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 4/276:22 pm
HLN
- BOI
2 stops24h 08m
Alaska Airlines
Deal found 4/14![Alaska Airlines logo]()
$403
This Kiwi.com deal was found by Cheapflights users on 4/14. 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 4/286:22 pm
HLN
- BOI
3 stops28h 39m
Multiple Airlines
Deal found 4/14![Multiple Airlines logo]()
$686
This Kiwi.com deal was found by Cheapflights users on 4/14. 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 4/276:22 pm
HLN
- BOI
3 stops28h 39m
Multiple Airlines
Deal found 4/14![Multiple Airlines logo]()
$885
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 April 17, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $343 (Alaska Airlines) |
One-way from | $288 (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 April 17, 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
Fri 5/29
4:43 pm-6:14 pm
1 stop25h 31m
Boise Air Term. Gowen Fld
Tue 6/2
6:35 am-4:06 pm
1 stop9h 31m
$353
Quickest round-trip
HelenaBoise
HLN - BOI
HLNBOI
Helena
Fri 9/4
5:45 am-10:13 am
1 stop4h 28m
Boise Air Term. Gowen Fld
Sun 9/6
6:00 am-12:23 pm
1 stop6h 23m
$395
HelenaBoise
HLN - BOI
HLNBOI
Helena
Fri 7/10
5:09 pm-12:04 am
1 stop6h 55m
Boise Air Term. Gowen Fld
Sun 7/12
6:23 am-4:32 pm
1 stop10h 09m
$395
HelenaBoise
HLN - BOI
HLNBOI
Helena
Thu 5/7
6:22 pm-11:59 pm
1 stop5h 37m
Boise Air Term. Gowen Fld
Sun 5/10
5:50 am-5:45 pm
2 stops11h 55m
$454
HelenaBoise
HLN - BOI
HLNBOI
Helena
Thu 5/7
6:22 pm-11:59 pm
1 stop5h 37m
Boise Air Term. Gowen Fld
Fri 5/8
8:11 am-5:45 pm
2 stops33h 34m
$470
HelenaBoise
HLN - BOI
HLNBOI
Helena
Thu 5/7
6:22 pm-11:59 pm
1 stop5h 37m
Boise Air Term. Gowen Fld
Sun 5/17
6:07 pm-4:06 pm
1 stop21h 59m
$483
Cheapest one-way
HelenaBoise
HLN - BOI
HLNBOI
Helena
Tue 4/28
2:25 pm-10:35 pm
1 stop8h 10m
$288
HelenaBoise
HLN - BOI
HLNBOI
Helena
Tue 4/28
6:22 pm-6:30 pm
2 stops24h 08m
$348
Quickest one-way
HelenaBoise
HLN - BOI
HLNBOI
Helena
Mon 4/27
5:40 am-9:53 am
1 stop4h 13m
$378
HelenaBoise
HLN - BOI
HLNBOI
Helena
Mon 4/27
6:22 pm-11:01 pm
3 stops28h 39m
$885
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 April.
| 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 April 17, 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.
Entertainment
7.8
Food
7.2
Overall
7.9
Comfort
7.9
Crew
8.5
Boarding
8.1
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Entertainment
7.8
Food
7.2
Overall
7.9
Comfort
7.9
Crew
8.5
Boarding
8.1
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - 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
McCall
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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 April 17, 2026.
Complete your trip
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Helena and Boise flights
Browse other Helena and Boise flight options. Last updated on April 17, 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 April 17, 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 April 17, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$280 | Average$686 | FlexibilityNo cancel fee | On-timeN/A |