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

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

What airlines fly to Helena?

Delta, JetBlue and American Airlines are the top three most popular airlines that fly to Helena from Boston according to our data. Delta 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 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 February 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.

$165 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.

6:10 am - 12:23 pm

BOS

HLN

8h 13m

1 stop

1:03 pm - 11:58 pm

HLN

BOS

8h 55m

1 stop

$329Delta

Tue, May 12 - Sat, May 16

6:24 pm - 3:59 pm

BOS

HLN

23h 35m

1 stop

4:36 pm - 6:54 am

HLN

BOS

12h 18m

1 stop

$439Alaska Airlines

Sun, Mar 8 - Thu, Mar 12

9:30 am - 9:33 pm

BOS

HLN

14h 03m

2 stops

2:25 pm - 11:59 pm

HLN

BOS

7h 34m

1 stop

$469United Airlines

Sat, Apr 11 - Sat, Apr 18

7:10 am - 4:22 pm

BOS

HLN

11h 12m

1 stop

4:59 pm - 7:40 am

HLN

BOS

12h 41m

1 stop

$483Alaska Airlines

Wed, Jul 22 - Mon, Jul 27

7:00 am - 1:38 pm

BOS

HLN

8h 38m

1 stop

6:15 am - 3:43 pm

HLN

BOS

7h 28m

1 stop

$489United Airlines

Fri, Mar 6 - Tue, Mar 10

4:33 pm - 4:06 pm

BOS

HLN

25h 33m

1 stop

4:43 pm - 6:20 am

HLN

BOS

11h 37m

2 stops

$493Alaska Airlines

Tue, May 12 - Sat, May 16

8:45 am - 9:25 pm

BOS

HLN

14h 40m

2 stops

6:15 am - 3:43 pm

HLN

BOS

7h 28m

1 stop

$494United Airlines

Fri, Mar 6 - Tue, Mar 10

8:15 am - 9:25 pm

BOS

HLN

15h 10m

2 stops

6:15 am - 7:42 pm

HLN

BOS

11h 27m

2 stops

$499United Airlines

Fri, Mar 6 - Tue, Mar 10

6:00 am - 12:23 pm

BOS

HLN

8h 23m

1 stop

12:50 pm - 11:57 pm

HLN

BOS

9h 07m

1 stop

$514Delta

Fri, Aug 7 - Wed, Aug 12

7:10 am - 4:22 pm

BOS

HLN

11h 12m

1 stop

4:59 pm - 5:50 am

HLN

BOS

34h 51m

2 stops

$533Alaska Airlines

Wed, Jul 22 - Mon, Jul 27

Delta flights from Boston to Helena

Our best Delta deals on Boston to Helena flight tickets

Delta

May 12

BOS6:10 amBoston Logan Intl

8h 13m

1 stop

HLN12:23 pmHelena

May 16

HLN1:03 pmHelena

8h 55m

1 stop

BOS11:58 pmBoston Logan Intl

$329

Delta

May 20

BOS6:10 amBoston Logan Intl

8h 10m

1 stop

HLN12:20 pmHelena

May 24

HLN1:00 pmHelena

8h 58m

1 stop

BOS11:58 pmBoston Logan Intl

$569

Delta

Jul 18

BOS6:00 amBoston Logan Intl

18h 34m

1 stop

HLN10:34 pmHelena

Jul 21

HLN12:50 pmHelena

9h 07m

1 stop

BOS11:57 pmBoston Logan Intl

$573

Alaska Airlines flights from Boston to Helena

Our best Alaska Airlines deals on Boston to Helena flight tickets

Alaska Airlines

Jul 16

BOS7:36 pmBoston Logan Intl

23h 13m

1 stop

HLN4:49 pmHelena

Jul 20

HLN5:26 pmHelena

12h 14m

1 stop

BOS7:40 amBoston Logan Intl

$436

Alaska Airlines

Mar 8

BOS6:24 pmBoston Logan Intl

23h 35m

1 stop

HLN3:59 pmHelena

Mar 12

HLN4:36 pmHelena

12h 18m

1 stop

BOS6:54 amBoston Logan Intl

$439

Alaska Airlines

Jul 14

BOS7:03 amBoston Logan Intl

11h 46m

1 stop

HLN4:49 pmHelena

Jul 20

HLN5:26 pmHelena

23h 10m

1 stop

BOS6:36 pmBoston Logan Intl

$481

Fly from

Fly to

Route

Depart

Return

Price

BostonHelena

BOS - HLN

BOSHLN

Boston Logan Intl

Tue 5/12

6:10 am-12:23 pm

1 stop8h 13m

Helena

Sat 5/16

1:03 pm-11:58 pm

1 stop8h 55m

$329

BostonHelena

BOS - HLN

BOSHLN

Boston Logan Intl

Sun 3/8

6:24 pm-3:59 pm

1 stop23h 35m

Helena

Thu 3/12

4:36 pm-6:54 am

1 stop12h 18m

$439

BostonHelena

BOS - HLN

BOSHLN

Boston Logan Intl

Sat 4/11

9:30 am-9:33 pm

2 stops14h 03m

Helena

Sat 4/18

2:25 pm-11:59 pm

1 stop7h 34m

$469

BostonHelena

BOS - HLN

BOSHLN

Boston Logan Intl

Wed 7/22

7:10 am-4:22 pm

1 stop11h 12m

Helena

Mon 7/27

4:59 pm-7:40 am

1 stop12h 41m

$483

BostonHelena

BOS - HLN

BOSHLN

Boston Logan Intl

Fri 3/6

7:00 am-1:38 pm

1 stop8h 38m

Helena

Tue 3/10

6:15 am-3:43 pm

1 stop7h 28m

$489

BostonHelena

BOS - HLN

BOSHLN

Boston Logan Intl

Tue 5/12

4:33 pm-4:06 pm

1 stop25h 33m

Helena

Sat 5/16

4:43 pm-6:20 am

2 stops11h 37m

$493

BostonHelena

BOS - HLN

BOSHLN

Boston Logan Intl

Fri 3/6

8:45 am-9:25 pm

2 stops14h 40m

Helena

Tue 3/10

6:15 am-3:43 pm

1 stop7h 28m

$494

BostonHelena

BOS - HLN

BOSHLN

Boston Logan Intl

Fri 3/6

8:15 am-9:25 pm

2 stops15h 10m

Helena

Tue 3/10

6:15 am-7:42 pm

2 stops11h 27m

$499

BostonHelena

BOS - HLN

BOSHLN

Boston Logan Intl

Fri 8/7

6:00 am-12:23 pm

1 stop8h 23m

Helena

Wed 8/12

12:50 pm-11:57 pm

1 stop9h 07m

$514

BostonHelena

BOS - HLN

BOSHLN

Boston Logan Intl

Wed 7/22

7:10 am-4:22 pm

1 stop11h 12m

Helena

Mon 7/27

4:59 pm-5:50 am

2 stops34h 51m

$533

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 15% 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 06m
Direct flights	None

The fastest flight from Boston to Helena takes 8h 06m

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 06m, 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 February 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 9,342 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.