$260+ Cheap flights from Helena to Boston (HLN - BOS)
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 9/28. Fares are subject to change and may not be available on all flights or dates of travel.
HLN — BOS
Oct 11 — Oct 181
Round-trip
1 adult, Economy
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Find cheap flights from Helena to Boston with Cheapflights
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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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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 Boston
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Best
Last-minute
One-way
Cheapest flights from Helena to BostonExplore the most affordable flight options available from Helena to Boston. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 11, 2026.
Explore the most affordable flight options available from Helena to Boston. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 11, 2026.
This Delta deal was found by Cheapflights users on 9/7. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/301:08 pm -
1 stop8h 51m
Mon 11/26:05 am -
1 stop8h 23m
Deal found 9/7![Delta logo]()
$449
This United Airlines deal was found by Cheapflights users on 9/7. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/306:28 am -
1 stop7h 04m
Mon 11/21:29 pm -
2 stops10h 02m
Deal found 9/7![United Airlines logo]()
$454
This United Airlines deal was found by Cheapflights users on 9/9. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/256:25 am -
2 stops14h 20m
Tue 9/297:45 am -
1 stop8h 03m
Deal found 9/9![United Airlines logo]()
$530
This Alaska Airlines deal was found by Cheapflights users on 9/7. 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.
Mon 10/195:26 pm -
1 stop28h 33m
Sat 10/247:03 am -
1 stop11h 46m
Deal found 9/7![Alaska Airlines logo]()
$541
This United Airlines deal was found by Cheapflights users on 9/9. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/192:30 pm -
1 stop7h 29m
Sat 10/2412:45 pm -
2 stops10h 23m
Deal found 9/9![United Airlines logo]()
$564
Best flights from Helena to BostonDiscover carefully curated flight deals from Helena to Boston that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 11, 2026.
Discover carefully curated flight deals from Helena to Boston that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 11, 2026.
This United Airlines deal was found by Cheapflights users on 9/7. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/306:28 am -
1 stop7h 04m
Mon 11/21:29 pm -
2 stops10h 02m
Deal found 9/7![United Airlines logo]()
$454
This Alaska Airlines deal was found by Cheapflights users on 9/7. 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.
Mon 10/195:26 pm -
1 stop28h 33m
Sat 10/247:03 am -
1 stop11h 46m
Deal found 9/7![Alaska Airlines logo]()
$541
This United Airlines deal was found by Cheapflights users on 9/9. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/256:25 am -
2 stops14h 20m
Tue 9/297:45 am -
1 stop8h 03m
Deal found 9/9![United Airlines logo]()
$530
This United Airlines deal was found by Cheapflights users on 9/9. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/192:30 pm -
1 stop7h 29m
Sat 10/2412:45 pm -
2 stops10h 23m
Deal found 9/9![United Airlines logo]()
$564
Last-minute flights from Helena to BostonDiscover last-minute flight deals from Helena to Boston. Data last updated September 11, 2026 and is based on user searches.
Discover last-minute flight deals from Helena to Boston. Data last updated September 11, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 9/9. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/256:25 am -
2 stops14h 20m
Tue 9/297:45 am -
1 stop8h 03m
Deal found 9/9![United Airlines logo]()
$530
This Alaska Airlines deal was found by Cheapflights users on 9/7. 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.
Mon 10/195:26 pm -
1 stop28h 33m
Sat 10/247:03 am -
1 stop11h 46m
Deal found 9/7![Alaska Airlines logo]()
$541
This United Airlines deal was found by Cheapflights users on 9/9. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/192:30 pm -
1 stop7h 29m
Sat 10/2412:45 pm -
2 stops10h 23m
Deal found 9/9![United Airlines logo]()
$564
This Delta deal was found by Cheapflights users on 9/7. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/301:08 pm -
1 stop8h 51m
Mon 11/26:05 am -
1 stop8h 23m
Deal found 9/7![Delta logo]()
$449
This United Airlines deal was found by Cheapflights users on 9/7. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/306:28 am -
1 stop7h 04m
Mon 11/21:29 pm -
2 stops10h 02m
Deal found 9/7![United Airlines logo]()
$454
One-way flights from Helena to BostonSearch for one-way flight options from Helena to Boston. Find affordable one-way fares based on user searches. Data last updated September 11, 2026.
Search for one-way flight options from Helena to Boston. Find affordable one-way fares based on user searches. Data last updated September 11, 2026.
This Delta deal was found by Cheapflights users on 9/11. 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 9/2812:57 pm -
1 stop8h 56m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/11![Delta logo]()
$260
This United Airlines deal was found by Cheapflights users on 9/11. 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.
Fri 9/256:25 am -
2 stops14h 20m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/11![United Airlines logo]()
$265
This Delta deal was found by Cheapflights users on 9/11. 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 9/227:15 am -
2 stops11h 57m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/11![Delta logo]()
$325
This Delta deal was found by Cheapflights users on 9/11. 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 9/2612:57 pm -
1 stop8h 56m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/11![Delta logo]()
$350
This United Airlines deal was found by Cheapflights users on 9/11. 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 9/222:26 pm -
1 stop7h 28m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/11![United Airlines logo]()
$365
This Delta deal was found by Cheapflights users on 9/11. 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.
Wed 9/237:15 am -
2 stops9h 50m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/11![Delta logo]()
$375
This United Airlines deal was found by Cheapflights users on 9/11. 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 9/232:26 pm -
1 stop7h 28m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/11![United Airlines logo]()
$415
This United Airlines deal was found by Cheapflights users on 9/11. 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 9/266:25 am -
2 stops13h 34m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/11![United Airlines logo]()
$420
This Orbitz deal was found by Cheapflights users on 9/11. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/255:18 pm -
1 stop12h 21m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/11![Alaska Airlines logo]()
$425
This Kiwi.com deal was found by Cheapflights users on 9/11. 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 9/285:18 pm -
3 stops20h 32m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/11![Multiple Airlines logo]()
$515
This Delta deal was found by Cheapflights users on 9/11. 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 9/247:15 am -
2 stops31h 05m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/11![Delta logo]()
$524
This United Airlines deal was found by Cheapflights users on 9/11. 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.
Sun 9/276:25 am -
1 stop21h 35m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/11![United Airlines logo]()
$562
Find flight deals from Helena to Boston
Discover tips and strategies to find the most affordable flight options for your journey from Helena (HLN) to Boston (BOS). 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 September 11, 2026.
Most accurate provider | Expedia 1 star |
|---|---|
Most trusted provider | Expedia 3 stars |
Round-trip from | $429 (Alaska Airlines) |
One-way from | $260 (Delta) |
Popular in | June |
Cheapest in | April |
Average price | $704 |
Cheapflights Fare Finder
Customize your flight search to find flights from Helena to Boston 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 September 11, 2026.
Use the filters below to find and compare flights from Helena to Boston that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
HelenaBoston
HLN Helena - BOS Boston Logan Intl
HLNBOS
Helena
Sat 9/26
12:57 pm-11:53 pm
1 stop8h 56m
Boston Logan Intl
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$350
Quickest round-trip
HelenaBoston
HLN Helena - BOS Boston Logan Intl
HLNBOS
Helena
Tue 9/22
2:26 pm-11:54 pm
1 stop7h 28m
Boston Logan Intl
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$365
HelenaBoston
HLN Helena - BOS Boston Logan Intl
HLNBOS
Helena
Wed 9/23
7:15 am-7:05 pm
2 stops9h 50m
Boston Logan Intl
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$375
HelenaBoston
HLN Helena - BOS Boston Logan Intl
HLNBOS
Helena
Sat 9/26
6:25 am-9:59 pm
2 stops13h 34m
Boston Logan Intl
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$420
HelenaBoston
HLN Helena - BOS Boston Logan Intl
HLNBOS
Helena
Fri 10/30
6:28 am-3:32 pm
1 stop7h 04m
Boston Logan Intl
Mon 11/2
1:29 pm-9:31 pm
2 stops10h 02m
$454
HelenaBoston
HLN Helena - BOS Boston Logan Intl
HLNBOS
Helena
Thu 9/24
7:15 am-4:20 pm
2 stops31h 05m
Boston Logan Intl
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$524
HelenaBoston
HLN Helena - BOS Boston Logan Intl
HLNBOS
Helena
Fri 9/25
6:25 am-10:45 pm
2 stops14h 20m
Boston Logan Intl
Tue 9/29
7:45 am-1:48 pm
1 stop8h 03m
$530
HelenaBoston
HLN Helena - BOS Boston Logan Intl
HLNBOS
Helena
Mon 10/19
5:26 pm-11:59 pm
1 stop28h 33m
Boston Logan Intl
Sat 10/24
7:03 am-4:49 pm
1 stop11h 46m
$541
HelenaBoston
HLN Helena - BOS Boston Logan Intl
HLNBOS
Helena
Sun 9/27
6:25 am-6:00 am
1 stop21h 35m
Boston Logan Intl
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$562
HelenaBoston
HLN Helena - BOS Boston Logan Intl
HLNBOS
Helena
Mon 10/19
2:30 pm-11:59 pm
1 stop7h 29m
Boston Logan Intl
Sat 10/24
12:45 pm-9:08 pm
2 stops10h 23m
$564
Sorted by cheapest first
- Most accurate provider: When it comes to deals on Helena-Boston flights, users find the pricing of Expedia to be most consistent on Cheapflights vs. Expedia Users can find the same prices on Helena-Boston flight deals on Cheapflights vs. Expedia <90% of the time. Price accuracy is based on data collected from Helena-Boston flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Helena-Boston flights, Cheapflights users trust Expedia the most. Expedia 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-Boston 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 Boston
Have a flexible travel schedule? Discover the best time to fly to Boston from Helena with our price prediction graph.
HLN-BOS
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 Boston
Get insights into the airlines that provide service to Boston. 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 Boston. Reviews last updated September 11, 2026.
Read through reviews of airlines operating flights from Helena to Boston, such as United Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Crew
8.1
Food
6.7
Entertainment
7.1
Overall
7.4
Boarding
7.7
Comfort
7.3
Reviews
1 / 20
4.0
OkayChris,Aug 2026
MIA - ORD
Crew
8.1
Food
6.7
Entertainment
7.1
Overall
7.4
Boarding
7.7
Comfort
7.3
Reviews
1 / 20
4.0
OkayChris,Aug 2026
MIA - ORD
Related info for your journey
Find useful and relevant information for your journey from Helena to Boston. 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 Boston?
Book flights to Boston if you plan to visit one of these locationsWaltham
Randolph
Concord
Cambridge
Brockton
Seekonk
Dedham
Cranston
Warwick
Pawtucket
Peabody
Auburn
Revere
York Beach
Londonderry
Fitchburg
North Falmouth
Swansea
Chelsea
Braintree
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Other flights to Boston
Explore flights to Boston departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on September 11, 2026.
Complete your trip
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Helena and Boston flights
Browse other Helena and Boston flight options. Last updated on September 11, 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 September 11, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top airline flying from Helena to Boston
Discover the top airline that operate flights from Helena to Boston. 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 September 11, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$219 | Average$704 | FlexibilityNo cancel fee | On-time69% |