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Helena

$238+ 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 9/19. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — HLN
ago. 3 — ago. 101
dom. 8/3
dom. 8/10
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 julio 29, 2025.

Round-trip from

$444
(Alaska Airlines)

One-way from

$238
(Alaska Airlines)
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 julio 29, 2025.

This Alaska Airlines deal was found by Cheapflights users on 7/28. 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.
mar. 9/97:20 amBOS - HLN
1 stop10h 01mAlaska Airlines
lun. 9/154:02 pmHLN - BOS
1 stop30h 25mAlaska Airlines
Deal found 7/28$444
This Delta deal was found by Cheapflights users on 7/29. 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.
mié. 8/276:10 amBOS - HLN
1 stop8h 10mDelta
mié. 9/31:00 pmHLN - BOS
1 stop8h 58mDelta
Deal found 7/29$451
This United Airlines deal was found by Cheapflights users on 7/27. 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.
vie. 11/78:00 amBOS - HLN
3 stops31h 27mUnited Airlines
jue. 11/132:22 pmHLN - BOS
2 stops18h 21mUnited Airlines
Deal found 7/27$715

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 julio 29, 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

mar. 9/9

7:20 am-3:21 pm

1 stop10h 01m

Helena

lun. 9/15

4:02 pm-12:27 am

1 stop30h 25m

$444

BostonHelena

BOS - HLN

BOSHLN

Boston Logan Intl

jue. 9/4

10:10 am-10:13 pm

2 stops14h 03m

Helena

mar. 9/23

1:00 pm-6:35 am

2 stops15h 35m

$461

BostonHelena

BOS - HLN

BOSHLN

Boston Logan Intl

vie. 11/7

8:00 am-1:27 pm

3 stops31h 27m

Helena

jue. 11/13

2:22 pm-10:43 am

2 stops18h 21m

$715

BostonHelena

BOS - HLN

BOSHLN

Boston Logan Intl

vie. 9/19

6:55 pm-3:21 pm

1 stop22h 26m

$238

BostonHelena

BOS - HLN

BOSHLN

Boston Logan Intl

mar. 8/26

6:10 am-12:20 pm

1 stop8h 10m

$240

BostonHelena

BOS - HLN

BOSHLN

Boston Logan Intl

mar. 8/26

11:00 am-4:04 pm

3 stops31h 04m

$369

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/28

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, February is the cheapest month in which you can book a flight from Boston to Helena (average of $353). Flying from Boston to Helena in May is currently the most expensive (average of $517). 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 julio 29, 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 morning, which can drop the price by up to 12% 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 julio 29, 2025.
Get a feel of what it's like to fly with Alaska Airlines, Delta, and 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.
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Overall

8.0

Food

7.1

Comfort

7.8

Entertainment

7.1

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Overall

8.0

Food

7.1

Comfort

7.8

Entertainment

7.1

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Delta
8.0
Very good
7,979 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Overall

8.0

Food

7.1

Comfort

7.8

Entertainment

7.1

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
United Airlines
7.4
Good
8,896 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Overall

8.0

Food

7.1

Comfort

7.8

Entertainment

7.1

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.

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.

  • What are the cheapest airlines flying from Boston to Helena round-trip?

    Currently priced at $444, Alaska Airlines will fly you from Boston to Helena and back. In addition to Alaska Airlines, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Delta and United Airlines - these airlines can fly you to your destination from $461 and $715, respectively.

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

    To fly one-way, consider booking your trip with Alaska Airlines, which is currently one of the cheapest options available, starting at $238. Delta flights start at $240 while deals on United Airlines start at $369 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, February is the cheapest month in which you can book a flight from Boston to Helena (average of $353). Flying from Boston to Helena in May is currently the most expensive (average of $517). 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 2 airlines flying from Boston to Helena

Discover the top 2 airlines 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 julio 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$250Average$679FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$470Average$611FlexibilityNo cancel feeOn-time69%

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