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

Alaska Airlines, Delta, 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 34% 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 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 April 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.

$195 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

Enter your travel dates to find the best prices.

3:08 pm - 9:46 pm

BOS

HLN

8h 38m

1 stop

2:30 pm - 11:59 pm

HLN

BOS

7h 29m

1 stop

$389United Airlines

Tue, May 5 - Sat, May 16

9:20 am - 9:46 pm

BOS

HLN

14h 26m

2 stops

2:30 pm - 11:59 pm

HLN

BOS

7h 29m

1 stop

$394United Airlines

Tue, May 5 - Sat, May 16

7:09 am - 1:38 pm

BOS

HLN

8h 29m

1 stop

2:30 pm - 11:59 pm

HLN

BOS

7h 29m

1 stop

$397United Airlines

Tue, May 5 - Sat, May 16

9:20 am - 9:46 pm

BOS

HLN

14h 26m

2 stops

2:30 pm - 11:59 pm

HLN

BOS

7h 29m

1 stop

$402United Airlines

Tue, May 5 - Sat, May 16

6:15 am - 12:24 pm

BOS

HLN

8h 09m

1 stop

1:03 pm - 11:58 pm

HLN

BOS

8h 55m

1 stop

$409Delta

Mon, May 4 - Sat, May 16

7:20 am - 3:31 pm

BOS

HLN

10h 11m

1 stop

4:08 pm - 8:02 am

HLN

BOS

13h 54m

1 stop

$419Alaska Airlines

Thu, Oct 8 - Mon, Oct 12

9:00 am - 5:45 pm

BOS

HLN

10h 45m

1 stop

4:43 pm - 7:41 am

HLN

BOS

12h 58m

1 stop

$426Alaska Airlines

Tue, May 5 - Tue, May 19

9:00 am - 5:45 pm

BOS

HLN

10h 45m

1 stop

4:43 pm - 11:59 pm

HLN

BOS

29h 16m

1 stop

$471Alaska Airlines

Tue, May 5 - Sun, May 17

4:50 pm - 10:30 pm

BOS

HLN

7h 40m

1 stop

1:03 pm - 11:58 pm

HLN

BOS

8h 55m

1 stop

$474Delta

Sat, May 2 - Sat, May 16

9:00 am - 5:45 pm

BOS

HLN

10h 45m

1 stop

6:22 pm - 7:12 am

HLN

BOS

10h 50m

1 stop

$479Alaska Airlines

Sat, May 2 - Tue, May 5

United Airlines flights from Boston to Helena

Our best United Airlines deals on Boston to Helena flight tickets

United Airlines

May 9

BOS6:00 amBoston Logan Intl

9h 38m

2 stops

HLN1:38 pmHelena

May 16

HLN2:30 pmHelena

7h 29m

1 stop

BOS11:59 pmBoston Logan Intl

$394

United Airlines

May 5

BOS7:09 amBoston Logan Intl

8h 29m

1 stop

HLN1:38 pmHelena

May 16

HLN2:30 pmHelena

7h 29m

1 stop

BOS11:59 pmBoston Logan Intl

$397

United Airlines

May 5

BOS9:20 amBoston Logan Intl

14h 26m

2 stops

HLN9:46 pmHelena

May 16

HLN2:30 pmHelena

7h 29m

1 stop

BOS11:59 pmBoston Logan Intl

$402

Alaska Airlines flights from Boston to Helena

Our best Alaska Airlines deals on Boston to Helena flight tickets

Alaska Airlines

May 5

BOS9:00 amBoston Logan Intl

10h 45m

1 stop

HLN5:45 pmHelena

May 16

HLN4:43 pmHelena

12h 58m

1 stop

BOS7:41 amBoston Logan Intl

$389

Alaska Airlines

Oct 8

BOS7:20 amBoston Logan Intl

10h 11m

1 stop

HLN3:31 pmHelena

Oct 12

HLN4:08 pmHelena

13h 54m

1 stop

BOS8:02 amBoston Logan Intl

$419

Alaska Airlines

May 5

BOS9:00 amBoston Logan Intl

10h 45m

1 stop

HLN5:45 pmHelena

May 19

HLN4:43 pmHelena

12h 58m

1 stop

BOS7:41 amBoston Logan Intl

$426

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BostonHelena

BOS - HLN

BOSHLN

Boston Logan Intl

Tue 5/5

3:08 pm-9:46 pm

1 stop8h 38m

Helena

Sat 5/16

2:30 pm-11:59 pm

1 stop7h 29m

$389

BostonHelena

BOS - HLN

BOSHLN

Boston Logan Intl

Tue 5/5

9:20 am-9:46 pm

2 stops14h 26m

Helena

Sat 5/16

2:30 pm-11:59 pm

1 stop7h 29m

$394

Quickest round-trip

BostonHelena

BOS - HLN

BOSHLN

Boston Logan Intl

Tue 5/5

7:09 am-1:38 pm

1 stop8h 29m

Helena

Sat 5/16

2:30 pm-11:59 pm

1 stop7h 29m

$397

BostonHelena

BOS - HLN

BOSHLN

Boston Logan Intl

Tue 5/5

9:20 am-9:46 pm

2 stops14h 26m

Helena

Sat 5/16

2:30 pm-11:59 pm

1 stop7h 29m

$402

BostonHelena

BOS - HLN

BOSHLN

Boston Logan Intl

Mon 5/4

6:15 am-12:24 pm

1 stop8h 09m

Helena

Sat 5/16

1:03 pm-11:58 pm

1 stop8h 55m

$409

BostonHelena

BOS - HLN

BOSHLN

Boston Logan Intl

Thu 10/8

7:20 am-3:31 pm

1 stop10h 11m

Helena

Mon 10/12

4:08 pm-8:02 am

1 stop13h 54m

$419

BostonHelena

BOS - HLN

BOSHLN

Boston Logan Intl

Tue 5/5

9:00 am-5:45 pm

1 stop10h 45m

Helena

Tue 5/19

4:43 pm-7:41 am

1 stop12h 58m

$426

BostonHelena

BOS - HLN

BOSHLN

Boston Logan Intl

Tue 5/5

9:00 am-5:45 pm

1 stop10h 45m

Helena

Sun 5/17

4:43 pm-11:59 pm

1 stop29h 16m

$471

BostonHelena

BOS - HLN

BOSHLN

Boston Logan Intl

Sat 5/2

4:50 pm-10:30 pm

1 stop7h 40m

Helena

Sat 5/16

1:03 pm-11:58 pm

1 stop8h 55m

$474

BostonHelena

BOS - HLN

BOSHLN

Boston Logan Intl

Sat 5/2

9:00 am-5:45 pm

1 stop10h 45m

Helena

Tue 5/5

6:22 pm-7:12 am

1 stop10h 50m

$479

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 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

Prices

Airlines

Can stopping save me money on Boston to Helena flights?

You could potentially save up to 45% on your flight if you consider stops on a Boston to Helena flight.

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 09m
Direct flights	None

The fastest flight from Boston to Helena takes 8h 09m

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

Search flight deals

Frequently asked questions about flying from Boston to Helena

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 09m, 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 April 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 $520	Free Cancellation	Rating 7.4 9,574 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.