$230+ Cheap flights from Boise to Helena (BOI - HLN)
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 11/11. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — HLN
Nov 19 — Nov 261
Round-trip
1 adult, Economy
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Find cheap flights from Boise to Helena 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 Boise to Helena
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Cheapest flights from Boise to HelenaExplore the most affordable flight options available from Boise to Helena. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 20, 2026.
Explore the most affordable flight options available from Boise to Helena. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 20, 2026.
This Alaska Airlines deal was found by Cheapflights users on 10/15. 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.
Sun 12/136:37 am -
1 stop9h 35m
Wed 12/164:49 pm -
1 stop7h 10m
Deal found 10/15![Alaska Airlines logo]()
$425
This United Airlines deal was found by Cheapflights users on 10/15. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/92:51 pm -
1 stop6h 40m
Wed 11/112:23 pm -
1 stop7h 09m
Deal found 10/15![United Airlines logo]()
$459
This Delta deal was found by Cheapflights users on 10/19. 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.
Fri 11/136:45 pm -
1 stop3h 41m
Sun 11/157:00 am -
1 stop3h 42m
Deal found 10/19![Delta logo]()
$612
This Delta deal was found by Cheapflights users on 10/15. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/306:00 am -
1 stop6h 28m
Tue 11/31:08 pm -
1 stop4h 51m
Deal found 10/15![Delta logo]()
$625
This Alaska Airlines deal was found by Cheapflights users on 10/15. 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.
Mon 11/910:49 am -
1 stop5h 15m
Wed 11/114:41 pm -
2 stops22h 47m
Deal found 10/15![Alaska Airlines logo]()
$685
This Delta deal was found by Cheapflights users on 10/15. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/138:41 am -
1 stop3h 49m
Wed 12/161:10 pm -
1 stop4h 43m
Deal found 10/15![Delta logo]()
$697
This Travelocity deal was found by Cheapflights users on 10/17. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/1310:49 am -
1 stop5h 15m
Sun 11/154:41 pm -
2 stops19h 32m
Deal found 10/17![Alaska Airlines logo]()
$705
This Alaska Airlines deal was found by Cheapflights users on 10/16. 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.
Mon 10/266:43 am -
1 stop10h 06m
Fri 10/305:26 pm -
1 stop6h 33m
Deal found 10/16![Alaska Airlines logo]()
$715
Best flights from Boise to HelenaDiscover carefully curated flight deals from Boise to Helena that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 20, 2026.
Discover carefully curated flight deals from Boise to Helena that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 20, 2026.
This Alaska Airlines deal was found by Cheapflights users on 10/17. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 1/309:57 am -
1 stop6h 26m
Tue 2/25:00 pm -
1 stop21h 20m
Deal found 10/17![Alaska Airlines logo]()
$403
This Alaska Airlines deal was found by Cheapflights users on 10/15. 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.
Sun 12/136:37 am -
1 stop9h 35m
Wed 12/164:49 pm -
1 stop7h 10m
Deal found 10/15![Alaska Airlines logo]()
$425
Last-minute flights from Boise to HelenaDiscover last-minute flight deals from Boise to Helena. Data last updated October 20, 2026 and is based on user searches.
Discover last-minute flight deals from Boise to Helena. Data last updated October 20, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 10/19. 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.
Fri 10/238:49 am -
1 stop3h 39m
Fri 10/307:15 am -
1 stop5h 01m
Deal found 10/19![Delta logo]()
$860
This Alaska Airlines deal was found by Cheapflights users on 10/16. 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.
Mon 10/266:43 am -
1 stop10h 06m
Fri 10/305:26 pm -
1 stop6h 33m
Deal found 10/16![Alaska Airlines logo]()
$715
This Delta deal was found by Cheapflights users on 10/15. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/306:00 am -
1 stop6h 28m
Tue 11/31:08 pm -
1 stop4h 51m
Deal found 10/15![Delta logo]()
$625
This Alaska Airlines deal was found by Cheapflights users on 10/15. 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 10/3012:58 pm -
1 stop3h 51m
Tue 11/34:41 pm -
2 stops17h 28m
Deal found 10/15![Alaska Airlines logo]()
$794
This Priceline deal was found by Cheapflights users on 10/17. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/17:05 am -
2 stops8h 59m
Thu 11/54:41 pm -
1 stop7h 08m
Deal found 10/17![Alaska Airlines logo]()
$824
This United Airlines deal was found by Cheapflights users on 10/15. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/92:51 pm -
1 stop6h 40m
Wed 11/112:23 pm -
1 stop7h 09m
Deal found 10/15![United Airlines logo]()
$459
This Alaska Airlines deal was found by Cheapflights users on 10/15. 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.
Mon 11/910:49 am -
1 stop5h 15m
Wed 11/114:41 pm -
2 stops22h 47m
Deal found 10/15![Alaska Airlines logo]()
$685
This Delta deal was found by Cheapflights users on 10/19. 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.
Fri 11/136:45 pm -
1 stop3h 41m
Sun 11/157:00 am -
1 stop3h 42m
Deal found 10/19![Delta logo]()
$612
This Travelocity deal was found by Cheapflights users on 10/17. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/1310:49 am -
1 stop5h 15m
Sun 11/154:41 pm -
2 stops19h 32m
Deal found 10/17![Alaska Airlines logo]()
$705
One-way flights from Boise to HelenaSearch for one-way flight options from Boise to Helena. Find affordable one-way fares based on user searches. Data last updated October 20, 2026.
Search for one-way flight options from Boise to Helena. Find affordable one-way fares based on user searches. Data last updated October 20, 2026.
This United Airlines deal was found by Cheapflights users on 10/15. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/112:51 pm -
1 stop6h 40m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/15![United Airlines logo]()
$230
This Priceline deal was found by Cheapflights users on 10/15. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/2910:06 am -
1 stop6h 43m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/15![Alaska Airlines logo]()
$313
This Alaska Airlines deal was found by Cheapflights users on 10/15. 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.
Wed 11/118:30 am -
2 stops31h 34m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/15![Alaska Airlines logo]()
$394
This Kiwi.com deal was found by Cheapflights users on 10/15. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/1110:41 am -
3 stops53h 23m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/15![Multiple Airlines logo]()
$709
This Kiwi.com deal was found by Cheapflights users on 10/15. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/297:10 am -
3 stops33h 39m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/15![Multiple Airlines logo]()
$843
Find flight deals from Boise to Helena
Discover tips and strategies to find the most affordable flight options for your journey from Boise (BOI) to Helena (HLN). 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 October 20, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $403 (Alaska Airlines) |
One-way from | $230 (United Airlines) |
Cheapflights Fare Finder
Customize your flight search to find flights from Boise to Helena 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 October 20, 2026.
Use the filters below to find and compare flights from Boise to Helena that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Quickest round-trip
BoiseHelena
BOI Boise Air Term. Gowen Fld - HLN Helena
BOIHLN
Boise Air Term. Gowen Fld
Wed 11/11
2:51 pm-9:31 pm
1 stop6h 40m
Helena
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$230
BoiseHelena
BOI Boise Air Term. Gowen Fld - HLN Helena
BOIHLN
Boise Air Term. Gowen Fld
Thu 10/29
10:06 am-4:49 pm
1 stop6h 43m
Helena
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$313
BoiseHelena
BOI Boise Air Term. Gowen Fld - HLN Helena
BOIHLN
Boise Air Term. Gowen Fld
Wed 11/11
8:30 am-4:04 pm
2 stops31h 34m
Helena
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$394
BoiseHelena
BOI Boise Air Term. Gowen Fld - HLN Helena
BOIHLN
Boise Air Term. Gowen Fld
Sat 1/30
9:57 am-4:23 pm
1 stop6h 26m
Helena
Tue 2/2
5:00 pm-2:20 pm
1 stop21h 20m
$403
BoiseHelena
BOI Boise Air Term. Gowen Fld - HLN Helena
BOIHLN
Boise Air Term. Gowen Fld
Sun 12/13
6:37 am-4:12 pm
1 stop9h 35m
Helena
Wed 12/16
4:49 pm-11:59 pm
1 stop7h 10m
$425
BoiseHelena
BOI Boise Air Term. Gowen Fld - HLN Helena
BOIHLN
Boise Air Term. Gowen Fld
Wed 11/11
10:41 am-4:04 pm
3 stops53h 23m
Helena
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$709
BoiseHelena
BOI Boise Air Term. Gowen Fld - HLN Helena
BOIHLN
Boise Air Term. Gowen Fld
Thu 10/29
7:10 am-4:49 pm
3 stops33h 39m
Helena
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$843
Sorted by cheapest first
Compare providers for flights from Boise to Helena
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 Boise to Helena in October.
| 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 Boise-Helena flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Boise-Helena flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Boise-Helena flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Boise-Helena 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 Boise-Helena 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 Boise to Helena
Have a flexible travel schedule? Discover the best time to fly to Helena from Boise with our price prediction graph.
BOI-HLN
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.
Related info for your journey
Find useful and relevant information for your journey from Boise to Helena. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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