$223+ 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 12/3. Fares are subject to change and may not be available on all flights or dates of travel.
HLN — BOI
Dec 4 — Dec 111
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
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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 November 4, 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 November 4, 2026.
This Alaska Airlines deal was found by Cheapflights users on 11/3. 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 12/84:49 pm -
1 stop22h 37m
Sat 12/1212:56 pm -
1 stop27h 16m
Deal found 11/3![Alaska Airlines logo]()
$418
This Delta deal was found by Cheapflights users on 10/30. 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 11/137:00 am -
1 stop3h 42m
Mon 11/166:45 pm -
1 stop3h 41m
Deal found 10/30![Delta logo]()
$625
This Delta deal was found by Cheapflights users on 11/3. 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 11/197:00 am -
1 stop3h 42m
Mon 11/236:45 pm -
1 stop3h 41m
Deal found 11/3![Delta logo]()
$635
This Alaska Airlines deal was found by Cheapflights users on 10/30. 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 11/134:41 pm -
1 stop7h 08m
Mon 11/166:43 pm -
2 stops45h 21m
Deal found 10/30![Alaska Airlines logo]()
$753
This Alaska Airlines deal was found by Cheapflights users on 10/31. 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 11/164:41 pm -
1 stop5h 39m
Fri 11/204:20 pm -
1 stop23h 56m
Deal found 10/31![Alaska Airlines logo]()
$759
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 November 4, 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 November 4, 2026.
This Alaska Airlines deal was found by Cheapflights users on 11/3. 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 12/84:49 pm -
1 stop22h 37m
Sat 12/1212:56 pm -
1 stop27h 16m
Deal found 11/3![Alaska Airlines logo]()
$418
This Delta deal was found by Cheapflights users on 10/30. 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 11/137:00 am -
1 stop3h 42m
Mon 11/166:45 pm -
1 stop3h 41m
Deal found 10/30![Delta logo]()
$625
This Alaska Airlines deal was found by Cheapflights users on 11/1. 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.
Mon 1/115:08 pm -
1 stop23h 15m
Fri 1/159:20 am -
2 stops31h 11m
Deal found 11/1![Alaska Airlines logo]()
$456
This Delta deal was found by Cheapflights users on 11/3. 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 11/197:00 am -
1 stop3h 42m
Mon 11/236:45 pm -
1 stop3h 41m
Deal found 11/3![Delta logo]()
$635
This Alaska Airlines deal was found by Cheapflights users on 10/30. 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 11/134:41 pm -
1 stop7h 08m
Mon 11/166:43 pm -
2 stops45h 21m
Deal found 10/30![Alaska Airlines logo]()
$753
This Alaska Airlines deal was found by Cheapflights users on 10/31. 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 11/164:41 pm -
1 stop5h 39m
Fri 11/204:20 pm -
1 stop23h 56m
Deal found 10/31![Alaska Airlines logo]()
$759
Last-minute flights from Helena to BoiseDiscover last-minute flight deals from Helena to Boise. Data last updated November 4, 2026 and is based on user searches.
Discover last-minute flight deals from Helena to Boise. Data last updated November 4, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 10/30. 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 11/137:00 am -
1 stop3h 42m
Mon 11/166:45 pm -
1 stop3h 41m
Deal found 10/30![Delta logo]()
$625
This Alaska Airlines deal was found by Cheapflights users on 10/30. 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 11/134:41 pm -
1 stop7h 08m
Mon 11/166:43 pm -
2 stops45h 21m
Deal found 10/30![Alaska Airlines logo]()
$753
This Alaska Airlines deal was found by Cheapflights users on 10/31. 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 11/164:41 pm -
1 stop5h 39m
Fri 11/204:20 pm -
1 stop23h 56m
Deal found 10/31![Alaska Airlines logo]()
$759
This Delta deal was found by Cheapflights users on 11/3. 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 11/197:00 am -
1 stop3h 42m
Mon 11/236:45 pm -
1 stop3h 41m
Deal found 11/3![Delta logo]()
$635
This Alaska Airlines deal was found by Cheapflights users on 11/3. 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 12/84:49 pm -
1 stop22h 37m
Sat 12/1212:56 pm -
1 stop27h 16m
Deal found 11/3![Alaska Airlines logo]()
$418
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 November 4, 2026.
Search for one-way flight options from Helena to Boise. Find affordable one-way fares based on user searches. Data last updated November 4, 2026.
This Expedia deal was found by Cheapflights users on 11/3. 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 12/34:49 pm -
1 stop7h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/3![Alaska Airlines logo]()
$223
This Delta deal was found by Cheapflights users on 11/3. 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 11/151:07 pm -
1 stop4h 48m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/3![Delta logo]()
$403
This Kiwi.com deal was found by Cheapflights users on 11/3. 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.
Thu 12/34:49 pm -
3 stops26h 12m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/3![Multiple Airlines logo]()
$637
This Kiwi.com deal was found by Cheapflights users on 11/2. 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.
Sun 11/154:41 pm -
3 stops43h 28m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/2![Multiple Airlines logo]()
$1,242
This Alaska Airlines deal was found by Cheapflights users on 11/3. 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 11/154:41 pm -
2 stops24h 14m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/3![Alaska Airlines logo]()
$1,283
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 November 4, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $418 (Alaska Airlines) |
One-way from | $223 (Expedia) |
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 November 4, 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
Thu 12/3
4:49 pm-11:59 pm
1 stop7h 10m
Boise Air Term. Gowen Fld
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$223
Quickest round-trip
HelenaBoise
HLN Helena - BOI Boise Air Term. Gowen Fld
HLNBOI
Helena
Sun 11/15
1:07 pm-5:55 pm
1 stop4h 48m
Boise Air Term. Gowen Fld
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$403
HelenaBoise
HLN Helena - BOI Boise Air Term. Gowen Fld
HLNBOI
Helena
Tue 12/8
4:49 pm-3:26 pm
1 stop22h 37m
Boise Air Term. Gowen Fld
Sat 12/12
12:56 pm-4:12 pm
1 stop27h 16m
$418
HelenaBoise
HLN Helena - BOI Boise Air Term. Gowen Fld
HLNBOI
Helena
Mon 1/11
5:08 pm-4:23 pm
1 stop23h 15m
Boise Air Term. Gowen Fld
Fri 1/15
9:20 am-4:31 pm
2 stops31h 11m
$456
HelenaBoise
HLN Helena - BOI Boise Air Term. Gowen Fld
HLNBOI
Helena
Fri 11/13
7:00 am-10:42 am
1 stop3h 42m
Boise Air Term. Gowen Fld
Mon 11/16
6:45 pm-10:26 pm
1 stop3h 41m
$625
HelenaBoise
HLN Helena - BOI Boise Air Term. Gowen Fld
HLNBOI
Helena
Thu 11/19
7:00 am-10:42 am
1 stop3h 42m
Boise Air Term. Gowen Fld
Mon 11/23
6:45 pm-10:26 pm
1 stop3h 41m
$635
HelenaBoise
HLN Helena - BOI Boise Air Term. Gowen Fld
HLNBOI
Helena
Thu 12/3
4:49 pm-7:01 pm
3 stops26h 12m
Boise Air Term. Gowen Fld
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$637
HelenaBoise
HLN Helena - BOI Boise Air Term. Gowen Fld
HLNBOI
Helena
Fri 11/13
4:41 pm-11:49 pm
1 stop7h 08m
Boise Air Term. Gowen Fld
Mon 11/16
6:43 pm-4:04 pm
2 stops45h 21m
$753
HelenaBoise
HLN Helena - BOI Boise Air Term. Gowen Fld
HLNBOI
Helena
Mon 11/16
4:41 pm-10:20 pm
1 stop5h 39m
Boise Air Term. Gowen Fld
Fri 11/20
4:20 pm-4:16 pm
1 stop23h 56m
$759
HelenaBoise
HLN Helena - BOI Boise Air Term. Gowen Fld
HLNBOI
Helena
Sun 11/15
4:41 pm-12:09 pm
3 stops43h 28m
Boise Air Term. Gowen Fld
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$1,242
Showing 1-10 of 11 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 November.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 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 November 4, 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.
Comfort
7.8
Entertainment
7.8
Overall
7.8
Crew
8.5
Food
7.2
Boarding
8.1
Reviews
1 / 20
6.0
GoodEllen,Oct 2026
GRR - ATL
Comfort
7.8
Entertainment
7.8
Overall
7.8
Crew
8.5
Food
7.2
Boarding
8.1
Reviews
1 / 20
6.0
GoodEllen,Oct 2026
GRR - 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
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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 November 4, 2026.
Complete your trip
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Helena and Boise flights
Browse other Helena and Boise flight options. Last updated on November 4, 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 November 4, 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 November 4, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$280 | Average$352 | FlexibilityNo cancel fee | On-timeN/A |