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$260+ 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 8/22. Fares are subject to change and may not be available on all flights or dates of travel.
HLN — BOS
Aug 26 — Sep 21
Wed 8/26
Wed 9/2
1 adult, Economy
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Cheap 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 July 27, 2026.

This Delta deal was found by Cheapflights users on 7/22. 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.
Mon 10/191:03 pm
HLN
-
BOS
1 stop8h 56m
Delta
Sat 10/246:05 am
BOS
-
HLN
1 stop8h 18m
Delta
Deal found 7/22$409
This Delta deal was found by Cheapflights users on 7/23. 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.
Thu 8/2012:55 pm
HLN
-
BOS
1 stop9h 02m
Delta
Thu 8/276:05 am
BOS
-
HLN
1 stop8h 10m
Delta
Deal found 7/23$434
This United Airlines deal was found by Cheapflights users on 7/25. 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 12/52:30 pm
HLN
-
BOS
1 stop7h 12m
United Airlines
Wed 12/93:19 pm
BOS
-
HLN
1 stop7h 40m
United Airlines
Deal found 7/25$519
This Alaska Airlines deal was found by Cheapflights users on 7/26. 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.
Mon 10/125:26 pm
HLN
-
BOS
1 stop28h 33m
Alaska Airlines
Sat 10/177:03 am
BOS
-
HLN
1 stop11h 46m
Alaska Airlines
Deal found 7/26$556

Find 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 July 27, 2026.

Most accurate provider

Expedia
1 star

Most trusted provider

Expedia
3 stars

Round-trip from

$409
(Delta)

One-way from

$260
(Delta)

Popular in

June

Cheapest in

April

Average price

$546
Provider with most accurate pricing for Helena-Boston Logan Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Helena-Boston Logan Intl flights.
Search Deals
From Helena to Boston Logan Intl
Search Deals
One-way flight from Helena to Boston Logan Intl
Search Deals
Highest demand for flights based on searches. 10% potential increase in price ($76 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($24 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2026
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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 July 27, 2026.
Use the filters below to find and compare flights from Helena to Boston that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

HelenaBoston

HLN - BOS

HLNBOS

Helena

Mon 10/19

1:08 pm-11:59 pm

1 stop8h 51m

Boston Logan Intl

Sat 10/24

4:15 pm-10:29 pm

1 stop8h 14m

$409

HelenaBoston

HLN - BOS

HLNBOS

Helena

Thu 8/20

12:55 pm-11:57 pm

1 stop9h 02m

Boston Logan Intl

Thu 8/27

6:05 am-12:15 pm

1 stop8h 10m

$434
Quickest round-trip

HelenaBoston

HLN - BOS

HLNBOS

Helena

Sat 12/5

2:30 pm-11:42 pm

1 stop7h 12m

Boston Logan Intl

Wed 12/9

3:19 pm-8:59 pm

1 stop7h 40m

$519

HelenaBoston

HLN - BOS

HLNBOS

Helena

Sat 8/29

6:15 am-9:58 pm

2 stops13h 43m

Boston Logan Intl

Sat 9/5

3:10 pm-9:30 pm

1 stop8h 20m

$524
Cheapest one-way

HelenaBoston

HLN - BOS

HLNBOS

Helena

Sat 8/22

12:55 pm-11:57 pm

1 stop9h 02m

$260

HelenaBoston

HLN - BOS

HLNBOS

Helena

Mon 8/24

5:40 am-11:42 pm

2 stops16h 02m

$304

HelenaBoston

HLN - BOS

HLNBOS

Helena

Thu 10/15

5:26 pm-11:59 pm

1 stop28h 33m

$342

HelenaBoston

HLN - BOS

HLNBOS

Helena

Mon 9/7

5:11 pm-6:09 am

2 stops10h 58m

$371
Quickest one-way

HelenaBoston

HLN - BOS

HLNBOS

Helena

Mon 8/24

2:35 pm-11:54 pm

1 stop7h 19m

$395

HelenaBoston

HLN - BOS

HLNBOS

Helena

Sat 8/1

7:00 am-4:36 pm

1 stop7h 36m

$400

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/22

Showing 1-10 of 14 resultsSorted by cheapest first
1
2
  • Most accurate provider: When it comes to deals on Helena-Boston flights, users find the pricing of Expedia to be most consistent on Cheapflights vs. Expedia Users can find the same prices on Helena-Boston flight deals on Cheapflights vs. Expedia <90% of the time. Price accuracy is based on data collected from Helena-Boston flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Helena-Boston flights, Cheapflights users trust Expedia the most. Expedia 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 Helena-Boston 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 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.

Reviews of airlines servicing Boston

Get insights into the airlines that provide service to Boston. 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 Boston. Reviews last updated July 27, 2026.
Read through reviews of airlines operating flights from Helena to Boston, such as United Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
10,041 reviews

Comfort

7.3

Entertainment

7.1

Food

6.6

Overall

7.4

Crew

8.1

Boarding

7.7

Reviews

1 / 20
6.0
Good

ROHIT,Jun 2026

IND - EWR

It should not be delayed by 2 hours. I missed the important event due to this
United Airlines
7.4
Good
10,041 reviews
United Airlines
7.4
Good
10,041 reviews

Comfort

7.3

Entertainment

7.1

Food

6.6

Overall

7.4

Crew

8.1

Boarding

7.7

Reviews

1 / 20
6.0
Good

ROHIT,Jun 2026

IND - EWR

It should not be delayed by 2 hours. I missed the important event due to this

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 8h 51m. Fly via Delta to get the fastest option. The distance between Helena and Boston is about 2016 mi.

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

    United Airlines, at $219, was found to be the cheapest airline from Helena to Boston.. You may be able to fly from Helena to Boston for 66% less than the average price by searching for this airline.

  • 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.

See more FAQs

Traveling to a place near Boston?

Book flights to Boston if you plan to visit one of these locations
Waltham
Cambridge
Concord
Randolph
Brockton
Seekonk
Hampton Beach
Cranston
Warwick
Peabody
Dedham
Auburn
York Beach
Chelsea
Londonderry
Swansea
Fitchburg
North Falmouth
Braintree
Revere

Browse thousands of different options on Cheapflights for your next trip

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Top airline flying from Helena to Boston

Discover the top airline that operate flights from Helena to Boston. 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 July 27, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$219Average$744FlexibilityNo cancel feeOn-time69%

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