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Helena

$228+ Cheap flights from Boston to Helena (BOS - HLN)

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 4/9. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — HLN
Nov 27 — Dec 41
Thu 11/27
Thu 12/4
1 adult, Economy
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Cheap flight deals from Boston to Helena

Discover tips and strategies to find the most affordable flight options for your journey from Boston (BOS) 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 28, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$452
(Alaska Airlines)

One-way from

$228
(KAYAK)
Provider with most accurate pricing for Boston Logan Intl-Helena flight deals.
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Provider most trusted by Cheapflights users for Boston Logan Intl-Helena flights.
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From Boston Logan Intl to Helena
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One-way flight from Boston Logan Intl to Helena
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Find flight deals from Boston to Helena

Cheapest flights from Boston to Helena
Explore the most affordable flight options available from Boston to Helena. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 28, 2025.

This Alaska Airlines deal was found by Cheapflights users on 10/27. 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 12/36:59 pmBOS - HLN
1 stop24h 52mAlaska Airlines
Tue 12/96:28 pmHLN - BOS
1 stop20h 52mAlaska Airlines
Deal found 10/27$452
This Alaska Airlines deal was found by Cheapflights users on 10/27. 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 12/36:59 pmBOS - HLN
1 stop24h 52mAlaska Airlines
Sun 12/76:28 pmHLN - BOS
1 stop27h 31mAlaska Airlines
Deal found 10/27$462
This Delta deal was found by Cheapflights users on 10/27. 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 11/216:10 amBOS - HLN
1 stop8h 16mDelta
Mon 11/241:06 pmHLN - BOS
1 stop8h 37mDelta
Deal found 10/27$491
This Delta deal was found by Cheapflights users on 10/27. 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 12/36:10 amBOS - HLN
1 stop8h 15mDelta
Sun 12/75:30 amHLN - BOS
2 stops12h 30mDelta
Deal found 10/27$496
This Delta deal was found by Cheapflights users on 10/27. 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 12/21:21 pmBOS - HLN
2 stops25h 04mDelta
Sun 12/75:30 amHLN - BOS
1 stop8h 43mDelta
Deal found 10/27$502
This Delta deal was found by Cheapflights users on 10/27. 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 12/310:55 amBOS - HLN
2 stops13h 35mDelta
Tue 12/95:30 amHLN - BOS
2 stops12h 30mDelta
Deal found 10/27$512
This Alaska Airlines deal was found by Cheapflights users on 10/27. 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 12/26:59 pmBOS - HLN
1 stop24h 52mAlaska Airlines
Tue 12/96:28 pmHLN - BOS
1 stop20h 52mAlaska Airlines
Deal found 10/27$547
This United Airlines deal was found by Cheapflights users on 10/27. 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 11/107:25 amBOS - HLN
1 stop15h 57mUnited Airlines
Fri 11/142:22 pmHLN - BOS
1 stop27h 33mUnited Airlines
Deal found 10/27$549
This Alaska Airlines deal was found by Cheapflights users on 10/27. 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 12/26:59 pmBOS - HLN
1 stop24h 52mAlaska Airlines
Sun 12/76:28 pmHLN - BOS
1 stop11h 01mAlaska Airlines
Deal found 10/27$557

Cheapflights Fare Finder

 
Customize your flight search to find flights from Boston 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 2,558,603 searches. Data last updated October 28, 2025.
Use the filters below to find and compare flights from Boston to Helena that are best for you.

Fly from

Boston

Fly to

Helena

Route

Depart

Return

Price

BostonHelena

BOS - HLN

BOSHLN

Boston Logan Intl

Wed 12/3

6:59 pm-5:51 pm

1 stop24h 52m

Helena

Sun 12/7

6:28 pm-11:59 pm

1 stop27h 31m

$462

BostonHelena

BOS - HLN

BOSHLN

Boston Logan Intl

Wed 12/3

6:59 pm-5:51 pm

1 stop24h 52m

Helena

Mon 12/8

6:28 pm-7:29 am

1 stop11h 01m

$462

BostonHelena

BOS - HLN

BOSHLN

Boston Logan Intl

Mon 4/6

5:55 pm-3:38 pm

1 stop23h 43m

Helena

Wed 4/8

4:10 pm-7:12 am

1 stop13h 02m

$490

BostonHelena

BOS - HLN

BOSHLN

Boston Logan Intl

Sat 3/28

6:00 am-12:27 pm

1 stop8h 27m

Helena

Wed 4/1

12:50 pm-11:54 pm

1 stop9h 04m

$491

BostonHelena

BOS - HLN

BOSHLN

Boston Logan Intl

Wed 12/3

6:10 am-12:25 pm

1 stop8h 15m

Helena

Sun 12/7

5:30 am-8:00 pm

2 stops12h 30m

$496

BostonHelena

BOS - HLN

BOSHLN

Boston Logan Intl

Wed 12/3

6:10 am-12:25 pm

1 stop8h 15m

Helena

Mon 12/8

5:30 am-8:00 pm

2 stops12h 30m

$496

BostonHelena

BOS - HLN

BOSHLN

Boston Logan Intl

Tue 12/2

1:21 pm-12:25 pm

2 stops25h 04m

Helena

Mon 12/8

1:06 pm-11:41 pm

1 stop8h 35m

$502

BostonHelena

BOS - HLN

BOSHLN

Boston Logan Intl

Tue 12/2

1:21 pm-12:25 pm

2 stops25h 04m

Helena

Sun 12/7

5:30 am-4:13 pm

1 stop8h 43m

$502

BostonHelena

BOS - HLN

BOSHLN

Boston Logan Intl

Tue 12/2

1:21 pm-12:25 pm

2 stops25h 04m

Helena

Tue 12/9

1:06 pm-1:27 am

2 stops10h 21m

$507

BostonHelena

BOS - HLN

BOSHLN

Boston Logan Intl

Thu 4/9

7:00 am-3:38 pm

1 stop10h 38m

$228

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/28

Showing 1-10 of 17 results
1
2

Compare providers for flights from Boston 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 Boston to Helena in October.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Boston-Helena flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Boston-Helena flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Boston-Helena flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Boston-Helena flights, Cheapflights users trust eDreams the most. eDreams 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 Boston-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 Boston to Helena

Have a flexible travel schedule? Discover the best time to fly to Helena from Boston with our price prediction graph.
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.

Cheapflights Insights

Everything you need to know about your flight from Boston to Helena

What is the cheapest month to book a flight from Boston to Helena?

Currently, March is the cheapest month in which you can book a flight from Boston to Helena (average of $157). Flying from Boston to Helena in April is currently the most expensive (average of $286). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from BOS to HLN?

Find hourly flight availability from Boston to Helena. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated October 28, 2025.

When flying from Boston to Helena, the time of day you fly usually plays a role in the price. Save by searching for a flight in the evening, which can drop the price by up to 50% versus a flight at noon.

Reviews of airlines servicing Helena

Get insights into the airlines that provide service to Helena. 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 Helena. Reviews last updated October 28, 2025.
Get a feel of what it's like to fly with United Airlines from Boston to Helena by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
9,001 reviews

Overall

7.4

Boarding

7.7

Food

6.6

Entertainment

7.1

Comfort

7.3

Crew

8.1

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000
United Airlines
7.4
Good
9,001 reviews
United Airlines
7.4
Good
9,001 reviews

Overall

7.4

Boarding

7.7

Food

6.6

Entertainment

7.1

Comfort

7.3

Crew

8.1

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000

Related info for your journey

Find useful and relevant information for your journey from Boston to Helena. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Boston to Helena?

    For as low as $491, Alaska Airlines can have you in Helena from Boston in 8h 27m. There are 2016 mi between Boston and Helena. This flight may include one or multiple stops.

  • What is the cheapest airline to fly from Boston to Helena round-trip?

    Currently priced at $470, United Airlines will fly you from Boston to Helena and back. In addition to United Airlines, many other airlines offer competitively priced options for your trip.

  • What are the cheapest airlines to fly from Boston to Helena one-way?

    To fly one-way, consider booking your trip with Hawaiian Airlines, which is currently one of the cheapest options available, starting at $228. Alaska Airlines flights start at $367 while deals on United Airlines start at $418 one-way.

  • Can I find deals for flights from Boston to Helena that include hotel bookings?

    Yes. In addition to deals on Boston to Helena flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Boston to Helena?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Boston to Helena.

  • Can I find deals for business class flights from Boston to Helena?

    Yes. Cheapflights offers flight deals from Boston to Helena by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Boston to Helena?

    Currently, March is the cheapest month in which you can book a flight from Boston to Helena (average of $157). Flying from Boston to Helena in April is currently the most expensive (average of $286). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

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Top airline flying from Boston to Helena

Discover the top airline that operate flights from Boston to Helena. 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 October 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$470Average$618FlexibilityNo cancel feeOn-time69%

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