$198+ 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 8/17. Fares are subject to change and may not be available on all flights or dates of travel.
HLN — BOI
Aug 8 — Aug 151
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
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 9, 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 9, 2026.
This Alaska Airlines deal was found by Cheapflights users on 7/5. 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
Wed 11/1110:49 am
BOI
- HLN
1 stop5h 15m
Alaska Airlines
Deal found 7/5![Alaska Airlines logo]()
$364
This Travelocity deal was found by Cheapflights users on 7/8. 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.
Tue 9/85:18 pm
HLN
- BOI
1 stop6h 26m
Alaska Airlines
Wed 9/1610:00 am
BOI
- HLN
1 stop6h 41m
Alaska Airlines
Deal found 7/8![Alaska Airlines logo]()
$399
This Delta deal was found by Cheapflights users on 7/4. 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 8/112:55 pm
HLN
- BOI
1 stop6h 04m
Delta
Sat 8/86:00 am
BOI
- HLN
1 stop6h 15m
Delta
Deal found 7/4![Delta logo]()
$435
This Delta deal was found by Cheapflights users on 7/8. 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.
Tue 8/45:40 am
HLN
- BOI
1 stop4h 08m
Delta
Thu 8/66:45 pm
BOI
- HLN
1 stop3h 45m
Delta
Deal found 7/8![Delta logo]()
$475
This Delta deal was found by Cheapflights users on 7/6. 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 8/25:40 am
HLN
- BOI
1 stop3h 49m
Delta
Sat 8/88:45 am
BOI
- HLN
1 stop3h 30m
Delta
Deal found 7/6![Delta logo]()
$477
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 9, 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 9, 2026.
This Alaska Airlines deal was found by Cheapflights users on 7/5. 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
Wed 11/1110:49 am
BOI
- HLN
1 stop5h 15m
Alaska Airlines
Deal found 7/5![Alaska Airlines logo]()
$364
This Delta deal was found by Cheapflights users on 7/8. 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.
Tue 8/45:40 am
HLN
- BOI
1 stop4h 08m
Delta
Thu 8/66:45 pm
BOI
- HLN
1 stop3h 45m
Delta
Deal found 7/8![Delta logo]()
$475
This Alaska Airlines deal was found by Cheapflights users on 7/7. 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 9/85:18 pm
HLN
- BOI
1 stop6h 26m
Alaska Airlines
Wed 9/161:30 pm
BOI
- HLN
2 stops27h 11m
Alaska Airlines
Deal found 7/7![Alaska Airlines logo]()
$464
This Delta deal was found by Cheapflights users on 7/9. 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 8/812:55 pm
HLN
- BOI
1 stop3h 27m
Delta
Fri 8/148:45 am
BOI
- HLN
1 stop3h 30m
Delta
Deal found 7/9![Delta logo]()
$477
This Delta deal was found by Cheapflights users on 7/6. 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 8/25:40 am
HLN
- BOI
1 stop3h 49m
Delta
Sat 8/88:45 am
BOI
- HLN
1 stop3h 30m
Delta
Deal found 7/6![Delta logo]()
$477
Last-minute flights from Helena to BoiseDiscover last-minute flight deals from Helena to Boise. Data last updated July 9, 2026 and is based on user searches.
Discover last-minute flight deals from Helena to Boise. Data last updated July 9, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 7/6. 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.
Tue 7/215:40 am
HLN
- BOI
1 stop3h 49m
Delta
Sat 7/258:25 am
BOI
- HLN
1 stop3h 50m
Delta
Deal found 7/6![Delta logo]()
$575
This Delta deal was found by Cheapflights users on 7/6. 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 7/265:40 am
HLN
- BOI
1 stop3h 49m
Delta
Wed 7/296:00 am
BOI
- HLN
1 stop6h 15m
Delta
Deal found 7/6![Delta logo]()
$594
This Expedia deal was found by Cheapflights users on 7/7. 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.
Mon 7/275:09 pm
HLN
- BOI
1 stop5h 15m
Alaska Airlines
Wed 8/1210:00 am
BOI
- HLN
1 stop6h 32m
Alaska Airlines
Deal found 7/7![Alaska Airlines logo]()
$535
This Delta deal was found by Cheapflights users on 7/4. 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 8/112:55 pm
HLN
- BOI
1 stop6h 04m
Delta
Sat 8/86:00 am
BOI
- HLN
1 stop6h 15m
Delta
Deal found 7/4![Delta logo]()
$435
This United Airlines deal was found by Cheapflights users on 7/5. 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.
Sat 8/12:20 pm
HLN
- BOI
1 stop7h 09m
United Airlines
Sat 8/86:30 am
BOI
- HLN
1 stop7h 03m
United Airlines
Deal found 7/5![United Airlines logo]()
$632
This Delta deal was found by Cheapflights users on 7/6. 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 8/25:40 am
HLN
- BOI
1 stop3h 49m
Delta
Sat 8/88:45 am
BOI
- HLN
1 stop3h 30m
Delta
Deal found 7/6![Delta logo]()
$477
This Alaska Airlines deal was found by Cheapflights users on 7/8. 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 8/35:09 pm
HLN
- BOI
1 stop6h 55m
Alaska Airlines
Thu 8/64:35 pm
BOI
- HLN
1 stop23h 57m
Alaska Airlines
Deal found 7/8![Alaska Airlines logo]()
$544
This Delta deal was found by Cheapflights users on 7/8. 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.
Tue 8/45:40 am
HLN
- BOI
1 stop4h 08m
Delta
Thu 8/66:45 pm
BOI
- HLN
1 stop3h 45m
Delta
Deal found 7/8![Delta logo]()
$475
This Alaska Airlines deal was found by Cheapflights users on 7/9. 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 8/85:09 pm
HLN
- BOI
1 stop5h 46m
Alaska Airlines
Fri 8/144:15 pm
BOI
- HLN
2 stops48h 17m
Alaska Airlines
Deal found 7/9![Alaska Airlines logo]()
$554
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 9, 2026.
Search for one-way flight options from Helena to Boise. Find affordable one-way fares based on user searches. Data last updated July 9, 2026.
This Priceline deal was found by Cheapflights users on 7/9. 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 8/175:09 pm
HLN
- BOI
1 stop5h 15m
Alaska Airlines
Deal found 7/9![Alaska Airlines logo]()
$198
This Kiwi.com deal was found by Cheapflights users on 7/9. 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 7/9![Multiple Airlines logo]()
$647
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 9, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $364 (Alaska 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 July 9, 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
Wed 11/11
10:49 am-4:04 pm
1 stop5h 15m
$364
HelenaBoise
HLN - BOI
HLNBOI
Helena
Tue 9/8
5:18 pm-11:44 pm
1 stop6h 26m
Boise Air Term. Gowen Fld
Wed 9/16
1:30 pm-4:41 pm
2 stops27h 11m
$464
HelenaBoise
HLN - BOI
HLNBOI
Helena
Tue 8/4
5:40 am-9:48 am
1 stop4h 08m
Boise Air Term. Gowen Fld
Thu 8/6
6:45 pm-10:30 pm
1 stop3h 45m
$475
Quickest round-trip
HelenaBoise
HLN - BOI
HLNBOI
Helena
Sat 8/8
12:55 pm-4:22 pm
1 stop3h 27m
Boise Air Term. Gowen Fld
Fri 8/14
8:45 am-12:15 pm
1 stop3h 30m
$477
HelenaBoise
HLN - BOI
HLNBOI
Helena
Sun 8/2
5:40 am-9:29 am
1 stop3h 49m
Boise Air Term. Gowen Fld
Sat 8/8
8:45 am-12:15 pm
1 stop3h 30m
$477
Cheapest one-way
Quickest one-way
HelenaBoise
HLN - BOI
HLNBOI
Helena
Mon 8/17
5:09 pm-10:24 pm
1 stop5h 15m
$198
HelenaBoise
HLN - BOI
HLNBOI
Helena
Mon 8/17
5:09 pm-11:00 pm
3 stops53h 51m
$647
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 9, 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.
Overall
7.8
Boarding
8.1
Crew
8.5
Comfort
7.8
Entertainment
7.8
Food
7.2
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Overall
7.8
Boarding
8.1
Crew
8.5
Comfort
7.8
Entertainment
7.8
Food
7.2
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 9, 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 9, 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 9, 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 9, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$280 | Average$706 | FlexibilityNo cancel fee | On-timeN/A |