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

United Airlines and Delta 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 July 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.

$200 Cheap Flights from Boston to Helena in 2026

Discover deals from 900+ travel sites with momondo.

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.

6:05 am - 12:15 pm

BOS

HLN

8h 10m

1 stop

12:55 pm - 11:57 pm

HLN

BOS

9h 02m

1 stop

$424Delta

Thu, Aug 27 - Sat, Sep 5

7:12 am - 4:41 pm

BOS

HLN

11h 29m

1 stop

5:18 pm - 7:39 am

HLN

BOS

12h 21m

1 stop

$449Alaska Airlines

Fri, Sep 25 - Mon, Sep 28

7:59 pm - 4:41 pm

BOS

HLN

22h 42m

1 stop

5:18 pm - 6:09 am

HLN

BOS

34h 51m

2 stops

$461Alaska Airlines

Fri, Sep 25 - Mon, Sep 28

6:05 am - 12:23 pm

BOS

HLN

8h 18m

1 stop

1:03 pm - 12:58 am

HLN

BOS

9h 55m

2 stops

$464Delta

Thu, Oct 8 - Mon, Oct 12

7:12 am - 4:41 pm

BOS

HLN

11h 29m

1 stop

5:18 pm - 7:39 am

HLN

BOS

12h 21m

1 stop

$486Alaska Airlines

Wed, Sep 16 - Sat, Sep 19

5:30 am - 12:15 pm

BOS

HLN

8h 45m

2 stops

12:55 pm - 11:57 pm

HLN

BOS

9h 02m

1 stop

$489Delta

Thu, Aug 27 - Sat, Sep 5

7:40 am - 1:49 pm

BOS

HLN

8h 09m

1 stop

2:34 pm - 11:51 pm

HLN

BOS

7h 17m

1 stop

$509United Airlines

Tue, Oct 27 - Sat, Oct 31

3:25 pm - 9:39 pm

BOS

HLN

8h 14m

1 stop

6:15 am - 8:22 pm

HLN

BOS

12h 07m

2 stops

$514United Airlines

Tue, Oct 27 - Sat, Oct 31

5:45 am - 1:49 pm

BOS

HLN

10h 04m

2 stops

6:15 am - 6:23 pm

HLN

BOS

10h 08m

2 stops

$519United Airlines

Tue, Oct 27 - Sat, Oct 31

7:12 am - 4:41 pm

BOS

HLN

11h 29m

1 stop

5:18 pm - 7:39 am

HLN

BOS

12h 21m

1 stop

$531Alaska Airlines

Sat, Sep 19 - Wed, Sep 23

Save money when you book flights with momondo

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

Delta flights from Boston to Helena

Our best Delta deals on Boston to Helena flight tickets

Delta

Aug 27

BOS6:05 amBoston Logan Intl

8h 10m

1 stop

HLN12:15 pmHelena

Sep 5

HLN12:55 pmHelena

9h 02m

1 stop

BOS11:57 pmBoston Logan Intl

$424

Delta

Oct 8

BOS6:05 amBoston Logan Intl

8h 18m

1 stop

HLN12:23 pmHelena

Oct 12

HLN1:03 pmHelena

9h 55m

2 stops

BOS12:58 amBoston Logan Intl

$464

Delta

Aug 27

BOS5:30 amBoston Logan Intl

8h 45m

2 stops

HLN12:15 pmHelena

Sep 5

HLN12:55 pmHelena

9h 02m

1 stop

BOS11:57 pmBoston Logan Intl

$489

Alaska Airlines flights from Boston to Helena

Our best Alaska Airlines deals on Boston to Helena flight tickets

Alaska Airlines

Sep 25

BOS7:12 amBoston Logan Intl

11h 29m

1 stop

HLN4:41 pmHelena

Sep 28

HLN5:18 pmHelena

12h 21m

1 stop

BOS7:39 amBoston Logan Intl

$449

Alaska Airlines

Sep 25

BOS7:59 pmBoston Logan Intl

22h 42m

1 stop

HLN4:41 pmHelena

Sep 28

HLN5:18 pmHelena

34h 51m

2 stops

BOS6:09 amBoston Logan Intl

$461

Alaska Airlines

Sep 16

BOS7:12 amBoston Logan Intl

11h 29m

1 stop

HLN4:41 pmHelena

Sep 19

HLN5:18 pmHelena

12h 21m

1 stop

BOS7:39 amBoston Logan Intl

$486

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BostonHelena

BOS - HLN

BOSHLN

Boston Logan Intl

Thu 8/27

6:05 am-12:15 pm

1 stop8h 10m

Helena

Sat 9/5

12:55 pm-11:57 pm

1 stop9h 02m

$424

BostonHelena

BOS - HLN

BOSHLN

Boston Logan Intl

Fri 9/25

7:12 am-4:41 pm

1 stop11h 29m

Helena

Mon 9/28

5:18 pm-7:39 am

1 stop12h 21m

$449

BostonHelena

BOS - HLN

BOSHLN

Boston Logan Intl

Fri 9/25

7:59 pm-4:41 pm

1 stop22h 42m

Helena

Mon 9/28

5:18 pm-6:09 am

2 stops34h 51m

$461

BostonHelena

BOS - HLN

BOSHLN

Boston Logan Intl

Thu 10/8

6:05 am-12:23 pm

1 stop8h 18m

Helena

Mon 10/12

1:03 pm-12:58 am

2 stops9h 55m

$464

BostonHelena

BOS - HLN

BOSHLN

Boston Logan Intl

Wed 9/16

7:12 am-4:41 pm

1 stop11h 29m

Helena

Sat 9/19

5:18 pm-7:39 am

1 stop12h 21m

$486

BostonHelena

BOS - HLN

BOSHLN

Boston Logan Intl

Thu 8/27

5:30 am-12:15 pm

2 stops8h 45m

Helena

Sat 9/5

12:55 pm-11:57 pm

1 stop9h 02m

$489

Quickest round-trip

BostonHelena

BOS - HLN

BOSHLN

Boston Logan Intl

Tue 10/27

7:40 am-1:49 pm

1 stop8h 09m

Helena

Sat 10/31

2:34 pm-11:51 pm

1 stop7h 17m

$509

BostonHelena

BOS - HLN

BOSHLN

Boston Logan Intl

Tue 10/27

3:25 pm-9:39 pm

1 stop8h 14m

Helena

Sat 10/31

6:15 am-8:22 pm

2 stops12h 07m

$514

BostonHelena

BOS - HLN

BOSHLN

Boston Logan Intl

Tue 10/27

5:45 am-1:49 pm

2 stops10h 04m

Helena

Sat 10/31

6:15 am-6:23 pm

2 stops10h 08m

$519

BostonHelena

BOS - HLN

BOSHLN

Boston Logan Intl

Sat 9/19

7:12 am-4:41 pm

1 stop11h 29m

Helena

Wed 9/23

5:18 pm-7:39 am

1 stop12h 21m

$531

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 42% 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 10m
Direct flights	None

The fastest flight from Boston to Helena takes 8h 10m

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 10m, 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 July 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 $431	Free Cancellation	Rating 7.4 9,933 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.