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Helena

$159+ 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 5/2. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — HLN
Apr 10 — Apr 171
Fri 4/10
Fri 4/17
1 adult, Economy
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Cheap 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 March 11, 2026.

This Expedia deal was found by Cheapflights users on 3/9. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/24:33 pm
BOS
-
HLN
1 stop27h 12m
Alaska Airlines
Sat 5/96:22 pm
HLN
-
BOS
1 stop10h 50m
Alaska Airlines
Deal found 3/9$317
This United Airlines deal was found by Cheapflights users on 3/9. 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.
Sat 5/29:30 am
BOS
-
HLN
2 stops14h 16m
United Airlines
Sat 5/92:30 pm
HLN
-
BOS
1 stop7h 29m
United Airlines
Deal found 3/9$342
This Delta deal was found by Cheapflights users on 3/9. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/56:15 am
BOS
-
HLN
1 stop8h 09m
Delta
Tue 5/125:45 am
HLN
-
BOS
2 stops12h 19m
Delta
Deal found 3/9$353
This Orbitz deal was found by Cheapflights users on 3/8. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/227:20 am
BOS
-
HLN
1 stop10h 11m
Alaska Airlines
Fri 10/24:08 pm
HLN
-
BOS
1 stop13h 54m
Alaska Airlines
Deal found 3/8$374
This United Airlines deal was found by Cheapflights users on 3/5. 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.
Sat 10/317:30 am
BOS
-
HLN
1 stop7h 57m
United Airlines
Wed 11/42:30 pm
HLN
-
BOS
1 stop7h 12m
United Airlines
Deal found 3/5$449
This United Airlines deal was found by Cheapflights users on 3/8. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/237:00 am
BOS
-
HLN
1 stop8h 38m
United Airlines
Fri 3/272:30 pm
HLN
-
BOS
1 stop7h 23m
United Airlines
Deal found 3/8$465
This Alaska Airlines deal was found by Cheapflights users on 3/10. 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 3/259:00 am
BOS
-
HLN
1 stop10h 45m
Alaska Airlines
Sun 3/296:22 pm
HLN
-
BOS
1 stop10h 17m
Alaska Airlines
Deal found 3/10$474

Find 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 March 11, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$317
(Expedia)

One-way from

$159
(United Airlines)
Provider with most accurate pricing for Boston Logan Intl-Helena flight deals.
Search Deals
Provider most trusted by Cheapflights users for Boston Logan Intl-Helena flights.
Search Deals
From Boston Logan Intl to Helena
Search Deals
One-way flight from Boston Logan Intl to Helena
Search Deals

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 March 11, 2026.
Use the filters below to find and compare flights from Boston to Helena that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BostonHelena

BOS - HLN

BOSHLN

Boston Logan Intl

Tue 5/5

6:15 am-12:24 pm

1 stop8h 09m

Helena

Tue 5/12

5:45 am-8:04 pm

2 stops12h 19m

$353

BostonHelena

BOS - HLN

BOSHLN

Boston Logan Intl

Tue 5/5

10:45 am-9:46 pm

2 stops13h 01m

Helena

Tue 5/12

6:15 am-7:26 pm

2 stops11h 11m

$435

BostonHelena

BOS - HLN

BOSHLN

Boston Logan Intl

Sat 5/30

7:20 am-4:06 pm

1 stop10h 46m

Helena

Sat 6/13

5:26 pm-2:23 pm

1 stop18h 57m

$504
Quickest round-trip

BostonHelena

BOS - HLN

BOSHLN

Boston Logan Intl

Tue 3/24

2:59 pm-9:25 pm

1 stop8h 26m

Helena

Wed 3/25

2:30 pm-11:53 pm

1 stop7h 23m

$509

BostonHelena

BOS - HLN

BOSHLN

Boston Logan Intl

Thu 8/13

7:03 am-4:49 pm

1 stop11h 46m

Helena

Thu 8/20

4:08 pm-6:02 am

2 stops35h 54m

$511

BostonHelena

BOS - HLN

BOSHLN

Boston Logan Intl

Fri 7/24

5:53 pm-4:49 pm

1 stop24h 56m

Helena

Sun 7/26

5:26 pm-7:40 am

1 stop12h 14m

$554

BostonHelena

BOS - HLN

BOSHLN

Boston Logan Intl

Mon 6/1

7:20 am-4:06 pm

1 stop10h 46m

Helena

Fri 6/5

4:43 pm-7:41 am

1 stop12h 58m

$554
Cheapest one-way

BostonHelena

BOS - HLN

BOSHLN

Boston Logan Intl

Sat 5/2

7:09 am-1:38 pm

1 stop8h 29m

$159
Quickest one-way

BostonHelena

BOS - HLN

BOSHLN

Boston Logan Intl

Sat 5/30

7:45 am-1:33 pm

1 stop7h 48m

$175

BostonHelena

BOS - HLN

BOSHLN

Boston Logan Intl

Sun 5/24

6:10 am-12:23 pm

1 stop8h 13m

$185

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/7

Showing 1-10 of 12 resultsSorted by cheapest first
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 March.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars

*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 FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Boston-Helena flight deals on Cheapflights vs. FlightHub >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 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 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, December is the cheapest month in which you can book a flight from Boston to Helena (average of $139). Flying from Boston to Helena in April is currently the most expensive (average of $269). 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.

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 March 11, 2026.
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
9,413 reviews

Boarding

7.7

Entertainment

7.1

Overall

7.4

Crew

8.1

Food

6.6

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
United Airlines
7.4
Good
9,413 reviews
United Airlines
7.4
Good
9,413 reviews

Boarding

7.7

Entertainment

7.1

Overall

7.4

Crew

8.1

Food

6.6

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family

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 $353, Delta can have you in Helena from Boston in 8h 09m. 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 $520, 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.

  • 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, December is the cheapest month in which you can book a flight from Boston to Helena (average of $139). Flying from Boston to Helena in April is currently the most expensive (average of $269). 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 March 11, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$520Average$596FlexibilityNo cancel feeOn-time69%

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