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$338+ 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 1/3. Fares are subject to change and may not be available on all flights or dates of travel.
HLN — BOS
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
1 adult, Economy
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Cheap 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 September 11, 2025.

Round-trip from

$382
(Alaska Airlines)

One-way from

$338
(Alaska Airlines)

Popular in

October

Cheapest in

March

Average price

$864
From Helena to Boston Logan Intl
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One-way flight from Helena to Boston Logan Intl
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Highest demand for flights based on searches. 23% potential increase in price ($190 potential increase over avg. RT price).
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Cheapest flight prices on average. 6% potential price decrease ($39 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find flight deals from Helena to Boston

Cheapest flights from Helena to Boston
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 September 11, 2025.

This Alaska Airlines deal was found by Cheapflights users on 9/10. 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.
Tue 10/216:18 pmHLN - BOS
1 stop11h 35mAlaska Airlines
Tue 11/47:00 amBOS - HLN
1 stop12h 36mAlaska Airlines
Deal found 9/10$382
This Delta deal was found by Cheapflights users on 9/10. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/191:00 pmHLN - BOS
2 stops15h 35mDelta
Thu 10/236:15 amBOS - HLN
1 stop8h 05mDelta
Deal found 9/10$486
This Alaska Airlines deal was found by Cheapflights users on 9/9. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/196:18 pmHLN - BOS
1 stop11h 35mAlaska Airlines
Thu 10/237:20 amBOS - HLN
1 stop12h 21mAlaska Airlines
Deal found 9/9$493
This Delta deal was found by Cheapflights users on 9/11. 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 10/141:00 pmHLN - BOS
2 stops15h 35mDelta
Tue 10/286:15 amBOS - HLN
1 stop8h 05mDelta
Deal found 9/11$517
This United Airlines deal was found by Cheapflights users on 9/11. 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 10/145:18 pmHLN - BOS
2 stops15h 13mUnited Airlines
Tue 10/289:15 amBOS - HLN
2 stops14h 07mUnited Airlines
Deal found 9/11$581
This Alaska Airlines deal was found by Cheapflights users on 9/9. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/146:18 pmHLN - BOS
1 stop11h 35mAlaska Airlines
Tue 10/287:00 amBOS - HLN
1 stop12h 36mAlaska Airlines
Deal found 9/9$598
This United Airlines deal was found by Cheapflights users on 9/11. 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.
Thu 10/26:30 amHLN - BOS
2 stops14h 26mUnited Airlines
Thu 10/167:13 pmBOS - HLN
1 stop27h 47mUnited Airlines
Deal found 9/11$607

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 September 11, 2025.
Use the filters below to find and compare flights from Helena to Boston that are best for you.

Fly from

Helena

Fly to

Boston

Route

Depart

Return

Price

HelenaBoston

HLN - BOS

HLNBOS

Helena

Tue 10/21

6:18 pm-7:53 am

1 stop11h 35m

Boston Logan Intl

Tue 11/4

7:00 am-5:36 pm

1 stop12h 36m

$382

HelenaBoston

HLN - BOS

HLNBOS

Helena

Sun 10/19

6:18 pm-7:53 am

1 stop11h 35m

Boston Logan Intl

Thu 10/23

7:20 am-5:41 pm

1 stop12h 21m

$493

HelenaBoston

HLN - BOS

HLNBOS

Helena

Tue 10/14

1:00 pm-6:35 am

2 stops15h 35m

Boston Logan Intl

Tue 10/28

6:15 am-12:20 pm

1 stop8h 05m

$517

HelenaBoston

HLN - BOS

HLNBOS

Helena

Tue 3/10

12:50 pm-11:54 pm

1 stop9h 04m

Boston Logan Intl

Thu 3/12

6:00 am-12:27 pm

1 stop8h 27m

$529

HelenaBoston

HLN - BOS

HLNBOS

Helena

Tue 10/14

6:18 pm-7:53 am

1 stop11h 35m

Boston Logan Intl

Tue 10/28

7:00 am-5:36 pm

1 stop12h 36m

$598

HelenaBoston

HLN - BOS

HLNBOS

Helena

Tue 3/10

7:00 am-3:54 pm

1 stop6h 54m

Boston Logan Intl

Thu 3/12

3:19 pm-8:59 pm

1 stop7h 40m

$599

HelenaBoston

HLN - BOS

HLNBOS

Helena

Thu 10/2

6:30 am-10:56 pm

2 stops14h 26m

Boston Logan Intl

Thu 10/16

7:13 pm-9:00 pm

1 stop27h 47m

$607

HelenaBoston

HLN - BOS

HLNBOS

Helena

Sat 1/3

6:32 pm-12:23 am

1 stop27h 51m

$338

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/9

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.
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 Helena to Boston

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

Currently, January is the cheapest month in which you can book a flight from Helena to Boston (average of $218). Flying from Helena to Boston in July is currently the most expensive (average of $311). 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 HLN to BOS?

Find hourly flight availability from Helena to Boston. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 11, 2025.

A simple way to save on the total cost of your ticket is to fly from Helena to Boston in the afternoon. If you’re flexible enough to do this you can expect to save up to 40% on your trip compared to booking a flight in the morning.

How much does it cost to fly round-trip from Helena to Boston?

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.

  • How long is the flight from Helena to Boston?

    There are many flights that can get you from Helena to Boston in 11h 35m. Fly via Alaska Airlines or Delta to get the fastest option. The distance between Helena and Boston is about 2016 mi. This flight may include one or multiple stops.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Helena to Boston 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 Helena to Boston?

    Currently, January is the cheapest month in which you can book a flight from Helena to Boston (average of $218). Flying from Helena to Boston in July is currently the most expensive (average of $311). 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

Traveling to a place near Boston?

Book flights to Boston if you plan to visit one of these locations
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Smithfield
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Chestnut Hill
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