When did momondo last update prices for flights from Boston Logan Intl Airport to Helena Airport?

Prices for flights from Boston Logan Intl Airport to Helena Airport are refreshed on a daily basis.

How many operators does momondo search for flights from Boston Logan Intl Airport to Helena Airport?

The number of operators available for flights from Boston Logan Intl Airport to Helena Airport is 1 as of January 2026.

How old do you have to be to fly from Boston Logan Intl Airport to Helena Airport?

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Boston Logan Intl Airport to Helena Airport.

What documentation or ID do you need to fly to Helena Airport?

The required travel and health documents for your Helena Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Helena Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$246 Cheap Flights from Boston to Helena in 2026

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Find the cheapest flights from Boston to Helena

Round-trip

One-way

Cheap round-trip flights

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7:00 am - 3:59 pm

BOS

HLN

10h 59m1 stop

6:22 pm - 11:59 pm

HLN

BOS

27h 37m1 stop

$474Alaska Airlines

Thu, Mar 12 - Mon, Mar 23

11:17 am - 9:26 pm

BOS

HLN

12h 09m1 stop

6:15 am - 2:02 pm

HLN

BOS

29h 47m1 stop

$526United Airlines

Sat, Jan 24 - Wed, Jan 28

4:36 pm - 3:59 pm

BOS

HLN

25h 23m2 stops

6:22 pm - 6:39 am

HLN

BOS

10h 17m1 stop

$537Alaska Airlines

Thu, Mar 12 - Mon, Mar 23

7:00 am - 3:59 pm

BOS

HLN

10h 59m1 stop

6:22 pm - 11:59 pm

HLN

BOS

27h 37m1 stop

$544Alaska Airlines

Sat, Mar 14 - Mon, Mar 23

11:42 am - 1:41 pm

BOS

HLN

27h 59m2 stops

6:15 am - 8:05 pm

HLN

BOS

11h 50m1 stop

$549United Airlines

Sat, Jan 24 - Wed, Jan 28

6:24 pm - 3:59 pm

BOS

HLN

23h 35m1 stop

6:22 pm - 11:59 pm

HLN

BOS

27h 37m1 stop

$554Alaska Airlines

Thu, Mar 12 - Sun, Mar 22

7:09 am - 4:06 pm

BOS

HLN

10h 57m1 stop

4:43 pm - 11:59 pm

HLN

BOS

29h 16m1 stop

$565Alaska Airlines

Wed, May 27 - Sun, May 31

11:17 am - 9:26 pm

BOS

HLN

12h 09m1 stop

6:15 am - 12:46 pm

HLN

BOS

28h 31m3 stops

$571United Airlines

Sat, Jan 24 - Wed, Jan 28

9:02 am - 3:59 pm

BOS

HLN

8h 57m1 stop

6:22 pm - 6:39 am

HLN

BOS

10h 17m1 stop

$583Alaska Airlines

Thu, Mar 12 - Sat, Mar 21

11:02 am - 9:25 pm

BOS

HLN

12h 23m2 stops

2:30 pm - 11:53 pm

HLN

BOS

7h 23m1 stop

$596United Airlines

Sat, Mar 14 - Mon, Mar 23

Alaska Airlines flights from Boston to Helena

Our best Alaska Airlines deals on Boston to Helena flight tickets

Alaska Airlines

Mar 12

BOS7:00 amBoston Logan Intl

10h 59m

1 stop

HLN3:59 pmHelena

Mar 23

HLN6:22 pmHelena

27h 37m

1 stop

BOS11:59 pmBoston Logan Intl

$474

Alaska Airlines

Mar 12

BOS4:36 pmBoston Logan Intl

25h 23m

2 stops

HLN3:59 pmHelena

Mar 23

HLN6:22 pmHelena

10h 17m

1 stop

BOS6:39 amBoston Logan Intl

$537

Alaska Airlines

Mar 14

BOS7:00 amBoston Logan Intl

10h 59m

1 stop

HLN3:59 pmHelena

Mar 23

HLN6:22 pmHelena

27h 37m

1 stop

BOS11:59 pmBoston Logan Intl

$544

United Airlines flights from Boston to Helena

Our best United Airlines deals on Boston to Helena flight tickets

United Airlines

Jan 24

BOS11:17 amBoston Logan Intl

28h 24m

1 stop

HLN1:41 pmHelena

Jan 28

HLN6:15 amHelena

15h 31m

1 stop

BOS11:46 pmBoston Logan Intl

$526

United Airlines

Jan 24

BOS7:05 amBoston Logan Intl

32h 36m

2 stops

HLN1:41 pmHelena

Jan 28

HLN6:15 amHelena

29h 47m

1 stop

BOS2:02 pmBoston Logan Intl

$549

United Airlines

Jan 24

BOS11:17 amBoston Logan Intl

28h 24m

1 stop

HLN1:41 pmHelena

Jan 28

HLN2:27 pmHelena

20h 19m

3 stops

BOS12:46 pmBoston Logan Intl

$571

Fly from

Fly to

Route

Depart

Return

Price

BostonHelena

BOS - HLN

BOSHLN

Boston Logan Intl

Thu 3/12

7:00 am-3:59 pm

1 stop10h 59m

Helena

Mon 3/23

6:22 pm-11:59 pm

1 stop27h 37m

$474

BostonHelena

BOS - HLN

BOSHLN

Boston Logan Intl

Sat 1/24

11:17 am-9:26 pm

1 stop12h 09m

Helena

Wed 1/28

6:15 am-2:02 pm

1 stop29h 47m

$526

BostonHelena

BOS - HLN

BOSHLN

Boston Logan Intl

Thu 3/12

4:36 pm-3:59 pm

2 stops25h 23m

Helena

Mon 3/23

6:22 pm-6:39 am

1 stop10h 17m

$537

BostonHelena

BOS - HLN

BOSHLN

Boston Logan Intl

Sat 3/14

7:00 am-3:59 pm

1 stop10h 59m

Helena

Mon 3/23

6:22 pm-11:59 pm

1 stop27h 37m

$544

BostonHelena

BOS - HLN

BOSHLN

Boston Logan Intl

Sat 1/24

11:42 am-1:41 pm

2 stops27h 59m

Helena

Wed 1/28

6:15 am-8:05 pm

1 stop11h 50m

$549

BostonHelena

BOS - HLN

BOSHLN

Boston Logan Intl

Thu 3/12

6:24 pm-3:59 pm

1 stop23h 35m

Helena

Sun 3/22

6:22 pm-11:59 pm

1 stop27h 37m

$554

BostonHelena

BOS - HLN

BOSHLN

Boston Logan Intl

Wed 5/27

7:09 am-4:06 pm

1 stop10h 57m

Helena

Sun 5/31

4:43 pm-11:59 pm

1 stop29h 16m

$565

BostonHelena

BOS - HLN

BOSHLN

Boston Logan Intl

Sat 1/24

11:17 am-9:26 pm

1 stop12h 09m

Helena

Wed 1/28

6:15 am-12:46 pm

3 stops28h 31m

$571

BostonHelena

BOS - HLN

BOSHLN

Boston Logan Intl

Thu 3/12

9:02 am-3:59 pm

1 stop8h 57m

Helena

Sat 3/21

6:22 pm-6:39 am

1 stop10h 17m

$583

BostonHelena

BOS - HLN

BOSHLN

Boston Logan Intl

Sat 3/14

11:02 am-9:25 pm

2 stops12h 23m

Helena

Mon 3/23

2:30 pm-11:53 pm

1 stop7h 23m

$596

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 16 resultsSorted by cheapest first

How to get the cheapest flight ticket from Boston to Helena

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest airline that flies from Boston Logan Intl to Helena?

Delta, Alaska Airlines, and United Airlines are the most popular carriers operating from Boston Logan Intl to Helena

What airlines fly to Helena?

JetBlue, Delta and American Airlines are the top three most popular airlines that fly to Helena from Boston according to our data. JetBlue is the first choice among our users, with 33% of people opting to fly with this airline when traveling to Helena. Keep in mind that there are 6 different airlines that fly to Helena on a routine basis, so you have a few additional options to choose from.

When to book flights from Boston to Helena

Are you open to changing your travel dates? Check out the ideal times to fly from Boston to Helena according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Boston to Helena (BOS to HLN) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Boston to Helena

Fastest flight time	8h 16m
Direct flights	None

The fastest flight from Boston to Helena takes 8h 16m

There are no direct flights from Boston to Helena. There are no popular flight routes from Boston to Helena.

Search flight deals

How far is Boston Logan Intl to Helena by plane?
The straight-line distance from Boston Logan Intl to Helena is 2016.7 mi. Flights usually cover this in 8h 16m, depending on flying conditions and air traffic around both airports.
When did momondo last update prices for flights from Boston Logan Intl Airport to Helena Airport?
Prices for flights from Boston Logan Intl Airport to Helena Airport are refreshed on a daily basis.
How many operators does momondo search for flights from Boston Logan Intl Airport to Helena Airport?
The number of operators available for flights from Boston Logan Intl Airport to Helena Airport is 1 as of January 2026.
How old do you have to be to fly from Boston Logan Intl Airport to Helena Airport?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Boston Logan Intl Airport to Helena Airport.
What documentation or ID do you need to fly to Helena Airport?
The required travel and health documents for your Helena Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Helena Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
What is the most popular airline from Boston to Helena?
Based on momondo bookings for flights between Boston and Helena, the leading airline is United Airlines, making up 100% of the total bookings.

Best airlines flying from Boston to Helena

Compare and see reviews for airlines that fly from Boston to Helena with momondo

Airline	Rating	Free Cancellation	Price
United Airlines	PriceFrom $470	Free Cancellation	Rating 7.4 9,139 reviews		Search United Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from Boston to Helena?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Boston to Helena for you.

Can I find flights from Boston to Helena with flexible booking policies on momondo?

Yes. All flights to Helena from Boston on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Boston to Helena?

Once you have performed a search for Boston to Helena flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from Boston to Helena right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Boston to Helena flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.