$343+ Cheap flights from Helena to Boston (HLN - BOS)
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 7/21. Fares are subject to change and may not be available on all flights or dates of travel.
HLN — BOS
Jul 8 — Jul 151
Round-trip
1 adult, Economy
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Find cheap flights from Helena to Boston 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 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 June 8, 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 June 8, 2026.
This Delta deal was found by Cheapflights users on 6/3. 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.
Mon 10/1912:50 pm
HLN
- BOS
1 stop8h 59m
Delta
Sat 10/246:00 am
BOS
- HLN
1 stop8h 24m
Delta
Deal found 6/3![Delta logo]()
$399
This Alaska Airlines deal was found by Cheapflights users on 6/8. 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 10/194:48 pm
HLN
- BOS
1 stop12h 41m
Alaska Airlines
Sat 10/244:55 pm
BOS
- HLN
1 stop25h 16m
Alaska Airlines
Deal found 6/8![Alaska Airlines logo]()
$424
This Alaska Airlines deal was found by Cheapflights users on 6/8. 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 10/124:48 pm
HLN
- BOS
1 stop12h 41m
Alaska Airlines
Sat 10/177:00 am
BOS
- HLN
1 stop11h 11m
Alaska Airlines
Deal found 6/8![Alaska Airlines logo]()
$449
This Delta deal was found by Cheapflights users on 6/4. 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.
Tue 10/65:45 am
HLN
- BOS
2 stops12h 16m
Delta
Sun 10/116:00 am
BOS
- HLN
1 stop8h 24m
Delta
Deal found 6/4![Delta logo]()
$464
This Delta deal was found by Cheapflights users on 6/8. 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.
Mon 10/125:45 am
HLN
- BOS
2 stops12h 41m
Delta
Sat 10/176:00 am
BOS
- HLN
1 stop8h 24m
Delta
Deal found 6/8![Delta logo]()
$489
This Delta deal was found by Cheapflights users on 6/3. 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.
Tue 6/305:35 am
HLN
- BOS
2 stops12h 10m
Delta
Tue 7/76:05 am
BOS
- HLN
1 stop8h 10m
Delta
Deal found 6/3![Delta logo]()
$549
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 June 8, 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 June 8, 2026.
This Delta deal was found by Cheapflights users on 6/3. 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.
Mon 10/1912:50 pm
HLN
- BOS
1 stop8h 59m
Delta
Sat 10/246:00 am
BOS
- HLN
1 stop8h 24m
Delta
Deal found 6/3![Delta logo]()
$399
This Delta deal was found by Cheapflights users on 6/4. 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.
Wed 10/75:45 am
HLN
- BOS
2 stops12h 00m
Delta
Sun 10/116:00 am
BOS
- HLN
1 stop8h 24m
Delta
Deal found 6/4![Delta logo]()
$464
This Delta deal was found by Cheapflights users on 6/8. 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.
Mon 10/125:45 am
HLN
- BOS
2 stops12h 41m
Delta
Sat 10/176:00 am
BOS
- HLN
1 stop8h 24m
Delta
Deal found 6/8![Delta logo]()
$489
This Delta deal was found by Cheapflights users on 6/4. 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.
Tue 10/612:50 pm
HLN
- BOS
1 stop8h 59m
Delta
Sun 10/116:00 am
BOS
- HLN
1 stop8h 24m
Delta
Deal found 6/4![Delta logo]()
$518
Last-minute flights from Helena to BostonDiscover last-minute flight deals from Helena to Boston. Data last updated June 8, 2026 and is based on user searches.
Discover last-minute flight deals from Helena to Boston. Data last updated June 8, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 6/5. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/165:35 am
HLN
- BOS
1 stop9h 02m
Delta
Fri 6/196:05 am
BOS
- HLN
1 stop8h 15m
Delta
Deal found 6/5![Delta logo]()
$702
This Expedia deal was found by Cheapflights users on 6/6. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/175:09 pm
HLN
- BOS
1 stop12h 31m
Alaska Airlines
Mon 7/133:26 pm
BOS
- HLN
1 stop27h 06m
Alaska Airlines
Deal found 6/6![Alaska Airlines logo]()
$635
This Delta deal was found by Cheapflights users on 6/3. 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.
Tue 6/305:35 am
HLN
- BOS
2 stops12h 10m
Delta
Tue 7/76:05 am
BOS
- HLN
1 stop8h 10m
Delta
Deal found 6/3![Delta logo]()
$549
This Delta deal was found by Cheapflights users on 6/3. 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.
Tue 6/301:00 pm
HLN
- BOS
2 stops18h 07m
Delta
Wed 7/86:05 am
BOS
- HLN
1 stop8h 10m
Delta
Deal found 6/3![Delta logo]()
$570
This United Airlines deal was found by Cheapflights users on 6/3. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/302:20 pm
HLN
- BOS
2 stops15h 57m
United Airlines
Tue 7/79:32 am
BOS
- HLN
2 stops13h 48m
United Airlines
Deal found 6/3![United Airlines logo]()
$597
This United Airlines deal was found by Cheapflights users on 6/3. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/12:20 pm
HLN
- BOS
2 stops15h 57m
United Airlines
Tue 7/79:32 am
BOS
- HLN
2 stops13h 48m
United Airlines
Deal found 6/3![United Airlines logo]()
$622
This Delta deal was found by Cheapflights users on 6/3. 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.
Wed 7/15:35 am
HLN
- BOS
2 stops27h 20m
Delta
Tue 7/76:05 am
BOS
- HLN
1 stop8h 10m
Delta
Deal found 6/3![Delta logo]()
$660
This Orbitz deal was found by Cheapflights users on 6/5. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/15:09 pm
HLN
- BOS
1 stop28h 50m
Alaska Airlines
Sat 7/47:03 am
BOS
- HLN
1 stop11h 29m
Alaska Airlines
Deal found 6/5![Alaska Airlines logo]()
$696
This Delta deal was found by Cheapflights users on 6/3. 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 7/21:00 pm
HLN
- BOS
1 stop8h 49m
Delta
Tue 7/76:05 am
BOS
- HLN
1 stop8h 10m
Delta
Deal found 6/3![Delta logo]()
$617
This Expedia deal was found by Cheapflights users on 6/6. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/105:09 pm
HLN
- BOS
1 stop28h 50m
Alaska Airlines
Mon 7/137:03 am
BOS
- HLN
1 stop11h 29m
Alaska Airlines
Deal found 6/6![Alaska Airlines logo]()
$667
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 June 8, 2026.
Search for one-way flight options from Helena to Boston. Find affordable one-way fares based on user searches. Data last updated June 8, 2026.
This Alaska Airlines deal was found by Cheapflights users on 6/4. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/215:09 pm
HLN
- BOS
2 stops34h 31m
Alaska Airlines
Deal found 6/4![Alaska Airlines logo]()
$343
This United Airlines deal was found by Cheapflights users on 6/6. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/196:15 am
HLN
- BOS
2 stops13h 41m
United Airlines
Deal found 6/6![United Airlines logo]()
$370
This United Airlines deal was found by Cheapflights users on 6/5. 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.
Sun 10/42:30 pm
HLN
- BOS
1 stop7h 29m
United Airlines
Deal found 6/5![United Airlines logo]()
$371
This Delta deal was found by Cheapflights users on 6/4. 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.
Thu 9/1712:57 pm
HLN
- BOS
2 stops10h 20m
Delta
Deal found 6/4![Delta logo]()
$413
This Delta deal was found by Cheapflights users on 6/5. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/47:15 am
HLN
- BOS
2 stops10h 40m
Delta
Deal found 6/5![Delta logo]()
$418
This United Airlines deal was found by Cheapflights users on 6/5. 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.
Tue 7/212:20 pm
HLN
- BOS
1 stop7h 24m
United Airlines
Deal found 6/5![United Airlines logo]()
$438
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 June 8, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $399 (Delta) |
One-way from | $343 (Alaska Airlines) |
Popular in | June |
Cheapest in | April |
Average price | $872 |
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 2,558,603 searches. Data last updated June 8, 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
Quickest round-trip
HelenaBoston
HLN - BOS
HLNBOS
Helena
Mon 10/19
12:50 pm-11:49 pm
1 stop8h 59m
Boston Logan Intl
Sat 10/24
6:00 am-12:24 pm
1 stop8h 24m
$399
HelenaBoston
HLN - BOS
HLNBOS
Helena
Wed 10/7
5:45 am-7:45 pm
2 stops12h 00m
Boston Logan Intl
Sun 10/11
6:00 am-12:24 pm
1 stop8h 24m
$464
HelenaBoston
HLN - BOS
HLNBOS
Helena
Mon 10/12
5:45 am-8:26 pm
2 stops12h 41m
Boston Logan Intl
Sat 10/17
6:00 am-12:24 pm
1 stop8h 24m
$489
HelenaBoston
HLN - BOS
HLNBOS
Helena
Tue 10/6
12:50 pm-11:49 pm
1 stop8h 59m
Boston Logan Intl
Sun 10/11
6:00 am-12:24 pm
1 stop8h 24m
$518
Cheapest one-way
HelenaBoston
HLN - BOS
HLNBOS
Helena
Tue 7/21
5:09 pm-5:40 am
2 stops34h 31m
$343
HelenaBoston
HLN - BOS
HLNBOS
Helena
Fri 6/19
6:15 am-9:56 pm
2 stops13h 41m
$370
HelenaBoston
HLN - BOS
HLNBOS
Helena
Sun 10/4
2:30 pm-11:59 pm
1 stop7h 29m
$371
HelenaBoston
HLN - BOS
HLNBOS
Helena
Thu 9/17
5:18 pm-11:54 pm
1 stop28h 36m
$372
Quickest one-way
HelenaBoston
HLN - BOS
HLNBOS
Helena
Tue 7/21
2:20 pm-11:44 pm
1 stop7h 24m
$443
Sorted by cheapest first
Compare providers for flights from Helena to Boston
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 Boston in June.
| 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-Boston flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Helena-Boston flight deals on Cheapflights vs. FlightHub >95% 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 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-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 June 8, 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
Comfort
7.3
Entertainment
7.1
Food
6.6
Boarding
7.7
Overall
7.4
Reviews
1 / 20
4.0
OkayDynasty,May 2026
LAX - EWR
Crew
8.1
Comfort
7.3
Entertainment
7.1
Food
6.6
Boarding
7.7
Overall
7.4
Reviews
1 / 20
4.0
OkayDynasty,May 2026
LAX - EWR
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
Cambridge
Concord
Hampton Beach
Brockton
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Seekonk
Cranston
Warwick
Peabody
Auburn
York Beach
Chelsea
Londonderry
Swansea
Old Orchard Beach
Lowell
Smithfield
Braintree
Sandwich
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Other flights to Boston
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Complete your trip
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Helena and Boston flights
Browse other Helena and Boston flight options. Last updated on June 8, 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 June 8, 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 2,558,603 searches. Data last updated June 8, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$219 | Average$704 | FlexibilityNo cancel fee | On-time69% |