$197 Cheap Flights from Helena (HLN) to Boston (BOS)

View $197 flight on Tue, Oct 21, 2025Opens in a new window

Popular airlines from Helena, MT (HLN-Helena Regional) to Logan International Airport (BOS)

  • Plan, book, fly with confidence

  • trending down icon
    Be in the know
    Get alerts if flight prices drop or rise*
  • bex rewards loyalty icon
    Book smarter
    Save up to 30% on select hotels after you book a flight*
  • one key icon
    Earn twice
    Earn your airline miles on top of our OneKeyCash
    Learn about One Key

Cheap Flights from Helena to Boston (HLN-BOS)

Prices were available within the past 7 days and start at $197 for one-way flights and $382 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Hawaiian Airlines
Tue, Sep 9 - Sat, Sep 20
HLN
Helena
BOS
Boston
$382 Roundtrip, found 2 hours ago
$382
Roundtrip
found 2 hours ago
Select Hawaiian Airlines flight, departing Tue, Sep 9 from Helena to Boston, returning Sat, Sep 20, priced at $382 found 2 hours ago
Delta
Wed, Sep 10 - Tue, Sep 30
HLN
Helena
BOS
Boston
$391 Roundtrip, found 1 day ago
$391
Roundtrip
found 1 day ago
Select Delta flight, departing Wed, Sep 10 from Helena to Boston, returning Tue, Sep 30, priced at $391 found 1 day ago
Alaska Airlines
Tue, Sep 9 - Mon, Sep 22
HLN
Helena
BOS
Boston
$392 Roundtrip, found 2 hours ago
$392
Roundtrip
found 2 hours ago
Select Alaska Airlines flight, departing Tue, Sep 9 from Helena to Boston, returning Mon, Sep 22, priced at $392 found 2 hours ago
Delta
Sat, Nov 1 - Tue, Nov 11
HLN
Helena
BOS
Boston
$394 Roundtrip, found 7 hours ago
$394
Roundtrip
found 7 hours ago
Select Delta flight, departing Sat, Nov 1 from Helena to Boston, returning Tue, Nov 11, priced at $394 found 7 hours ago
Alaska Airlines
Fri, Oct 31 - Sat, Nov 15
HLN
Helena
BOS
Boston
$402 Roundtrip, found 7 hours ago
$402
Roundtrip
found 7 hours ago
Select Alaska Airlines flight, departing Fri, Oct 31 from Helena to Boston, returning Sat, Nov 15, priced at $402 found 7 hours ago
Alaska Airlines
Sat, Oct 18 - Wed, Oct 29
HLN
Helena
BOS
Boston
$411 Roundtrip, found 7 hours ago
$411
Roundtrip
found 7 hours ago
Select Alaska Airlines flight, departing Sat, Oct 18 from Helena to Boston, returning Wed, Oct 29, priced at $411 found 7 hours ago
Alaska Airlines
Tue, Sep 9 - Thu, Sep 25
HLN
Helena
BOS
Boston
$412 Roundtrip, found 2 hours ago
$412
Roundtrip
found 2 hours ago
Select Alaska Airlines flight, departing Tue, Sep 9 from Helena to Boston, returning Thu, Sep 25, priced at $412 found 2 hours ago
Delta
Wed, Sep 10 - Tue, Sep 30
HLN
Helena
BOS
Boston
$414 Roundtrip, found 1 day ago
$414
Roundtrip
found 1 day ago
Select Delta flight, departing Wed, Sep 10 from Helena to Boston, returning Tue, Sep 30, priced at $414 found 1 day ago
Delta
Wed, Oct 29 - Tue, Nov 11
HLN
Helena
BOS
Boston
$416 Roundtrip, found 7 hours ago
$416
Roundtrip
found 7 hours ago
Select Delta flight, departing Wed, Oct 29 from Helena to Boston, returning Tue, Nov 11, priced at $416 found 7 hours ago
United
Thu, Oct 30 - Tue, Nov 4
HLN
Helena
BOS
Boston
$440 Roundtrip, found 8 hours ago
$440
Roundtrip
found 8 hours ago
Select United flight, departing Thu, Oct 30 from Helena to Boston, returning Tue, Nov 4, priced at $440 found 8 hours ago
Flights from Helena (HLN) to Boston (BOS)
Origin airport
Helena Regional
Destination airport
Logan Intl.
Airlines serving
Alaska Airlines, Delta, Hawaiian Airlines, United
Roundtrip price
$382
Distance
2017 mi

Helena to Boston Flights

The cheapest times to fly from Helena to Boston

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Helena to Boston are during the month of September. You can find some of the cheapest flights from Helena to Boston with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Helena to Boston

Sunday is one of the best days to book for cheap flights from Helena to Boston: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Helena to Boston

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Helena to Boston in 2025. You can also book with separate airlines for your outbound and return journeys, from $197 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Helena to Boston flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Helena to Boston airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from Helena Regional Airport (HLN) to Logan Intl. Airport (BOS) cost?
Discover the latest flight deals from HLN to BOS by entering your preferred travel dates and searching on Expedia. Easily compare prices by departure date if you have flexibility with your schedule and use handy filters to explore prices for your preferred journey. As a member of One Key™, our free loyalty program, you can use Price Tracking to watch fares and receive notifications if prices go up or down.
What is the cheapest month to fly from HLN to BOS?
The cheapest flights from HLN to BOS are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
What is the cheapest airline that flies from HLN to BOS?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that'll take you from HLN to BOS. Sort your results by "Price (lowest to highest)" to snap up a great deal.
How many flights per day from Helena Regional Airport (HLN) to Logan Intl. Airport (BOS)?
You'll need to catch a flight with a layover if you're traveling from Helena Regional Airport (HLN) to Logan Intl. Airport (BOS). There are no daily direct flights on this route. However, simply filter your search to include one or more stops to find an option that works for you.
What day of the week has the most flights from HLN to BOS?
Usually you'll find the largest variety of flight choices on a Friday. Tuesdays tend to be the quietest.* But this can vary depending on the season, airline and other factors.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Helena Regional Airport (HLN) to Logan Intl. Airport (BOS)?
To land at Logan Intl. Airport (BOS) on time, opt for a flight that leaves Helena Regional Airport (HLN) before 3 PM. The likelihood of cancellations is 22% higher, on average, for departures after this hour.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Helena Regional Airport (HLN) to Logan Intl. Airport (BOS) last-minute?
Last-minute bookings from HLN to BOS are generally more expensive. To secure the best rates, start looking for flights ahead of time. That said, if you're flexible with your travel dates, you may score a cheap fare right before your trip.
Is it cheaper to book a HLN to BOS flight and hotel package?
You'll generally save money by securing a HLN to BOS flight and hotel package compared to booking separately. In fact, you could save hundreds of dollars by bundling with Expedia. And it's easy to manage everything in one convenient place. After selecting your ideal flights and accommodations, consider adding extras including car rentals, activities and tours.
Can I cancel or change the date of my flight from Helena Regional Airport (HLN) to Logan Intl. Airport (BOS)?
Typically, you can cancel or reschedule your HLN to BOS flight. However, there may be additional fees, especially if you made your booking over 24 hours ago. Double-check your itinerary for the airline's guidelines and fees on flight changes, or if you want further details, go to our Customer Service portal.

Explore a world of travel with Expedia

*Available to One Key members.