$159+ 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 5/27. Fares are subject to change and may not be available on all flights or dates of travel.
HLN — BOI
Jun 2 — Jun 91
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
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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 May 3, 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 May 3, 2026.
This Expedia deal was found by Cheapflights users on 4/29. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/94:43 pm
HLN
- BOI
1 stop7h 15m
Alaska Airlines
Wed 6/106:23 am
BOI
- HLN
1 stop10h 09m
Alaska Airlines
Deal found 4/29![Alaska Airlines logo]()
$356
This Delta deal was found by Cheapflights users on 4/28. 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.
Fri 10/25:45 am
HLN
- BOI
1 stop4h 28m
Delta
Sun 10/46:00 am
BOI
- HLN
1 stop6h 23m
Delta
Deal found 4/28![Delta logo]()
$395
This Alaska Airlines deal was found by Cheapflights users on 4/28. 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.
Fri 10/25:18 pm
HLN
- BOI
2 stops25h 59m
Alaska Airlines
Sun 10/48:30 am
BOI
- HLN
1 stop7h 01m
Alaska Airlines
Deal found 4/28![Alaska Airlines logo]()
$529
This Alaska Airlines deal was found by Cheapflights users on 4/30. 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.
Thu 7/305:09 pm
HLN
- BOI
1 stop6h 55m
Alaska Airlines
Sat 8/17:37 am
BOI
- HLN
2 stops32h 55m
Alaska Airlines
Deal found 4/30![Alaska Airlines logo]()
$545
This CheapOair deal was found by Cheapflights users on 4/28. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/126:22 pm
HLN
- BOI
1 stop4h 40m
Alaska Airlines
Fri 5/156:35 am
BOI
- HLN
1 stop9h 31m
Alaska Airlines
Deal found 4/28![Alaska Airlines logo]()
$575
This CheapOair deal was found by Cheapflights users on 4/28. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/134:43 pm
HLN
- BOI
1 stop5h 41m
Alaska Airlines
Sun 5/1710:05 am
BOI
- HLN
1 stop6h 01m
Alaska Airlines
Deal found 4/28![Alaska Airlines logo]()
$625
This Delta deal was found by Cheapflights users on 5/1. 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 5/161:03 pm
HLN
- BOI
1 stop4h 47m
Delta
Wed 5/208:45 am
BOI
- HLN
1 stop3h 38m
Delta
Deal found 5/1![Delta logo]()
$667
This Alaska Airlines deal was found by Cheapflights users on 4/30. 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 5/154:43 pm
HLN
- BOI
2 stops26h 10m
Alaska Airlines
Tue 5/1911:56 am
BOI
- HLN
1 stop4h 10m
Alaska Airlines
Deal found 4/30![Alaska Airlines logo]()
$669
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 May 3, 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 May 3, 2026.
This Delta deal was found by Cheapflights users on 5/1. 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 10/25:45 am
HLN
- BOI
1 stop4h 28m
Delta
Sun 10/46:00 am
BOI
- HLN
1 stop6h 23m
Delta
Deal found 5/1![Delta logo]()
$395
This Alaska Airlines deal was found by Cheapflights users on 4/29. 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 10/25:18 pm
HLN
- BOI
2 stops25h 59m
Alaska Airlines
Sun 10/411:25 am
BOI
- HLN
1 stop4h 06m
Alaska Airlines
Deal found 4/29![Alaska Airlines logo]()
$529
This Delta deal was found by Cheapflights users on 5/1. 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 7/305:40 am
HLN
- BOI
1 stop3h 49m
Delta
Sat 8/15:15 pm
BOI
- HLN
1 stop5h 24m
Delta
Deal found 5/1![Delta logo]()
$395
This Alaska Airlines deal was found by Cheapflights users on 4/29. 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 7/105:09 pm
HLN
- BOI
1 stop6h 55m
Alaska Airlines
Sun 7/127:37 am
BOI
- HLN
2 stops32h 55m
Alaska Airlines
Deal found 4/29![Alaska Airlines logo]()
$545
This Alaska Airlines deal was found by Cheapflights users on 4/30. 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.
Thu 7/305:09 pm
HLN
- BOI
1 stop6h 55m
Alaska Airlines
Sat 8/17:37 am
BOI
- HLN
2 stops32h 55m
Alaska Airlines
Deal found 4/30![Alaska Airlines logo]()
$545
This Delta deal was found by Cheapflights users on 4/30. 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.
Fri 5/151:03 pm
HLN
- BOI
1 stop4h 47m
Delta
Tue 5/198:45 am
BOI
- HLN
1 stop3h 38m
Delta
Deal found 4/30![Delta logo]()
$575
Last-minute flights from Helena to BoiseDiscover last-minute flight deals from Helena to Boise. Data last updated May 3, 2026 and is based on user searches.
Discover last-minute flight deals from Helena to Boise. Data last updated May 3, 2026 and is based on user searches.
This Expedia deal was found by Cheapflights users on 4/28. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/306:22 pm
HLN
- BOI
1 stop5h 37m
Alaska Airlines
Mon 5/46:00 am
BOI
- HLN
1 stop11h 45m
Alaska Airlines
Deal found 4/28![Alaska Airlines logo]()
$855
This Delta deal was found by Cheapflights users on 4/29. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/45:40 am
HLN
- BOI
1 stop4h 13m
Delta
Wed 5/68:30 am
BOI
- HLN
1 stop3h 54m
Delta
Deal found 4/29![Delta logo]()
$805
This Delta deal was found by Cheapflights users on 4/28. 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.
Thu 5/71:03 pm
HLN
- BOI
1 stop4h 47m
Delta
Fri 5/88:45 am
BOI
- HLN
1 stop3h 38m
Delta
Deal found 4/28![Delta logo]()
$755
This CheapOair deal was found by Cheapflights users on 4/28. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/126:22 pm
HLN
- BOI
1 stop4h 40m
Alaska Airlines
Fri 5/156:35 am
BOI
- HLN
1 stop9h 31m
Alaska Airlines
Deal found 4/28![Alaska Airlines logo]()
$575
This CheapOair deal was found by Cheapflights users on 4/28. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/134:43 pm
HLN
- BOI
1 stop5h 41m
Alaska Airlines
Sun 5/1710:05 am
BOI
- HLN
1 stop6h 01m
Alaska Airlines
Deal found 4/28![Alaska Airlines logo]()
$625
This Alaska Airlines deal was found by Cheapflights users on 4/30. 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 5/154:43 pm
HLN
- BOI
2 stops26h 10m
Alaska Airlines
Tue 5/1911:56 am
BOI
- HLN
1 stop4h 10m
Alaska Airlines
Deal found 4/30![Alaska Airlines logo]()
$669
This Delta deal was found by Cheapflights users on 5/1. 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 5/161:03 pm
HLN
- BOI
1 stop4h 47m
Delta
Wed 5/208:45 am
BOI
- HLN
1 stop3h 38m
Delta
Deal found 5/1![Delta logo]()
$667
This Alaska Airlines deal was found by Cheapflights users on 5/1. 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 5/164:43 pm
HLN
- BOI
1 stop5h 41m
Alaska Airlines
Wed 5/201:31 pm
BOI
- HLN
2 stops26h 35m
Alaska Airlines
Deal found 5/1![Alaska Airlines logo]()
$719
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 May 3, 2026.
Search for one-way flight options from Helena to Boise. Find affordable one-way fares based on user searches. Data last updated May 3, 2026.
This CheapOair deal was found by Cheapflights users on 4/28. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/274:43 pm
HLN
- BOI
1 stop7h 15m
Alaska Airlines
Deal found 4/28![Alaska Airlines logo]()
$159
This CheapOair deal was found by Cheapflights users on 4/28. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/126:22 pm
HLN
- BOI
1 stop4h 40m
Alaska Airlines
Deal found 4/28![Alaska Airlines logo]()
$288
This Expedia deal was found by Cheapflights users on 4/29. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/164:43 pm
HLN
- BOI
2 stops7h 15m
Alaska Airlines
Deal found 4/29![Alaska Airlines logo]()
$432
This Kiwi.com deal was found by Cheapflights users on 4/29. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/164:43 pm
HLN
- BOI
3 stops51h 05m
Multiple Airlines
Deal found 4/29![Multiple Airlines logo]()
$683
This Kiwi.com deal was found by Cheapflights users on 4/28. 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.
Wed 5/274:43 pm
HLN
- BOI
3 stops30h 15m
Multiple Airlines
Deal found 4/28![Multiple Airlines logo]()
$800
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 May 3, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $356 (Expedia) |
One-way from | $159 (CheapOair) |
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 May 3, 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 10/2
5:45 am-10:13 am
1 stop4h 28m
Boise Air Term. Gowen Fld
Sun 10/4
6:00 am-12:23 pm
1 stop6h 23m
$395
HelenaBoise
HLN - BOI
HLNBOI
Helena
Thu 7/30
5:40 am-9:29 am
1 stop3h 49m
Boise Air Term. Gowen Fld
Sat 8/1
5:15 pm-10:39 pm
1 stop5h 24m
$395
HelenaBoise
HLN - BOI
HLNBOI
Helena
Fri 10/2
5:18 pm-7:17 pm
2 stops25h 59m
Boise Air Term. Gowen Fld
Sun 10/4
11:25 am-3:31 pm
1 stop4h 06m
$529
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
7:37 am-4:32 pm
2 stops32h 55m
$545
HelenaBoise
HLN - BOI
HLNBOI
Helena
Thu 7/30
5:09 pm-12:04 am
1 stop6h 55m
Boise Air Term. Gowen Fld
Sat 8/1
7:37 am-4:32 pm
2 stops32h 55m
$545
Quickest round-trip
HelenaBoise
HLN - BOI
HLNBOI
Helena
Fri 5/15
1:03 pm-5:50 pm
1 stop4h 47m
Boise Air Term. Gowen Fld
Tue 5/19
8:45 am-12:23 pm
1 stop3h 38m
$575
Cheapest one-way
HelenaBoise
HLN - BOI
HLNBOI
Helena
Wed 5/27
4:43 pm-3:34 pm
2 stops22h 51m
$278
Quickest one-way
HelenaBoise
HLN - BOI
HLNBOI
Helena
Sat 5/16
1:03 pm-5:50 pm
1 stop4h 47m
$288
HelenaBoise
HLN - BOI
HLNBOI
Helena
Tue 5/12
6:22 pm-11:11 pm
2 stops28h 49m
$348
HelenaBoise
HLN - BOI
HLNBOI
Helena
Sat 5/16
4:43 pm-11:58 pm
2 stops7h 15m
$432
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 May.
| 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 May 3, 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
Food
7.2
Overall
7.9
Comfort
7.9
Boarding
8.1
Reviews
1 / 20
2.0
MediocreBarney,May 2026
JFK - ATL
Crew
8.5
Entertainment
7.8
Food
7.2
Overall
7.9
Comfort
7.9
Boarding
8.1
Reviews
1 / 20
2.0
MediocreBarney,May 2026
JFK - 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
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McCall
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Helena and Boise flights
Browse other Helena and Boise flight options. Last updated on May 3, 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 May 3, 2026.
Popular flight searches
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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 May 3, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$280 | Average$686 | FlexibilityNo cancel fee | On-timeN/A |