Which airports can I use when flying from Boston to Helena?

Flights from Boston to Helena usually depart from Boston Logan Intl (BOS) and arrive at Helena (HLN).

What cabin classes can I book on flights from Boston to Helena?

Only Economy Class is available on flights from Boston to Helena.

Which airports do connecting flights from Boston to Helena pass through?

One-stop flights from Boston to Helena most commonly connect through: • Denver Intl (DEN) - 76% of one-stop connections • Salt Lake City (SLC) - 18% of one-stop connections • Seattle/Tacoma Intl (SEA) - 5% of one-stop connections Denver Intl (DEN) handles the largest share of one-stop connections on this route.

Can I save money by using flexible dates for flights from Boston to Helena?

On the Boston to Helena route, being flexible with your departure day can save you up to 57%. Saturday is the cheapest day at $431 round-trip on average, while Thursday is the most expensive at $980: a $549 difference. Cheaper weekend fares like these are typical of routes dominated by weekday business travel.

How long is a flight from Boston to Helena?

There are currently no nonstop flights available from Boston to Helena. Flights with 1 layover take between 7h 39m and 18h 48m in total, depending on the connection.

Do I need a passport to fly from Boston to Helena?

No, a passport is not required for this domestic route, but you will need a real ID-compliant driver's license, a state ID, or another TSA-accepted form of identification.

Have flight prices from Boston to Helena changed much recently?

Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $449 to $1,199. That means the highest observed fare was about 3x higher than the lowest one.

How are flight prices from Boston to Helena looking right now?

One-way fares from Boston to Helena are currently higher than usual. Average one-way flight prices are about $387, which is 18% above the typical average for this route.

How much time can I save by choosing a different layover airport from Boston to Helena?

Flying via Denver Intl (DEN) gives the shortest average 1-stop total travel time at 7h 39m, compared with 8h 38m via Salt Lake City (SLC) and 18h 48m via Seattle/Tacoma Intl (SEA).

What is the time difference between Boston and Helena?

Helena is 2 hours behind Boston (Mountain Time vs Eastern Time). Plan for the time shift when scheduling connections or first-day activities.

What car rental options are available at Helena Airport (HLN)?

Helena Airport (HLN) hosts 5 major car rental companies, with daily rates starting from around $25 for economy cars. Top options include: • Budget • Enterprise Rent-A-Car • Hertz • Avis • National

How much should I expect to pay for a Boston to Helena flight?

Round-trip flights from Boston to Helena range from $508 to $846, with an average of $562 over the past 12 months. Anything below $508 counts as a good deal.

What is the cheapest airline to fly from Boston to Helena?

Alaska Airlines ($449) and Delta ($469) are the cheapest airlines to fly round-trip from Boston to Helena according to KAYAK data over the last 5 days.

What is the most popular layover airport when flying from Boston to Helena?

Denver Intl (DEN) is the most popular layover for the Boston to Helena route. 76% of KAYAK users who booked 1-stop round-trips over the past 3 months connected via DEN.

What is the cheapest layover airport when flying from Boston to Helena?

Flights via Seattle/Tacoma Intl (SEA) offer the most affordable fares, with an average round-trip price of $572. Based on KAYAK data over the past 3 months.

When flying from Boston to Helena which airport offers the shortest layover?

Denver Intl (DEN) had the shortest average connection time for Boston to Helena layovers at 257 minutes over the past 3 months.

$235 CHEAP FLIGHTS from Boston to Helena (BOS - HLN)

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Cheapest round-trip

$449

Typical prices: $508-$846

Alaska Airlines

Wed 11/14Sat 11/17

BOS - HLN • 1 stop

Cheapest one-way

$235

Typical prices: $245-$526

Delta

Fri 10/5

BOS - HLN • 1 stop

When to travel

February

Cheapest • 23% price drop

June

Most popular

Good to know

Top layover airports

Seattle/Tacoma Intl (SEA)

Cheapest • Avg $572 (round-trip)

Denver Intl (DEN)

Shortest trip • 7h 39m (one-way)

Insights

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We hope you love your trip to Helena!

Flight Deals

Cheap Flights from Boston to Helena (BOS-HLN)

Discover the best prices for you by selecting your travel dates on KAYAK.

Round-trip

One-way

Recent round-trip flight deals from Boston to Helena

Sat, Nov 14 - Tue, Nov 17

9:03 am - 4:04 pmBOS Boston Logan Intl-HLN Helena

9h 01m1 stop Seattle/Tacoma Intl

4:41 pm - 5:40 amHLN Helena-BOS Boston Logan Intl

10h 59m1 stop Seattle/Tacoma Intl

$449Alaska Airlines

Sat, Nov 14 - Tue, Nov 17

9:03 am - 4:04 pmBOS Boston Logan Intl-HLN Helena

9h 01m1 stop Seattle/Tacoma Intl

4:41 pm - 5:40 amHLN Helena-BOS Boston Logan Intl

10h 59m1 stop Seattle/Tacoma Intl

$469Alaska Airlines

Sat, Oct 10 - Sat, Oct 17

6:05 am - 12:28 pmBOS Boston Logan Intl-HLN Helena

8h 23m1 stop Salt Lake City

1:08 pm - 11:59 pmHLN Helena-BOS Boston Logan Intl

8h 51m1 stop Salt Lake City

$469Delta

Sat, Oct 10 - Sat, Oct 17

6:05 am - 12:28 pmBOS Boston Logan Intl-HLN Helena

8h 23m1 stop Salt Lake City

7:15 am - 8:15 pmHLN Helena-BOS Boston Logan Intl

11h 00m2 stops Salt Lake City Cincinnati Cinci./N. Kentucky

$499Delta

Sat, Nov 14 - Tue, Nov 17

7:13 am - 4:04 pmBOS Boston Logan Intl-HLN Helena

10h 51m1 stop Seattle/Tacoma Intl

4:41 pm - 7:20 amHLN Helena-BOS Boston Logan Intl

12h 39m2 stops Seattle/Tacoma Intl Portland

$501Alaska Airlines

Sat, Nov 14 - Tue, Nov 17

7:13 am - 4:04 pmBOS Boston Logan Intl-HLN Helena

10h 51m1 stop Seattle/Tacoma Intl

4:41 pm - 7:20 amHLN Helena-BOS Boston Logan Intl

12h 39m2 stops Seattle/Tacoma Intl Portland

$531Alaska Airlines

Sat, Nov 14 - Tue, Nov 17

12:14 pm - 9:31 pmBOS Boston Logan Intl-HLN Helena

11h 17m2 stops Chicago O'Hare Intl Denver Intl

6:28 am - 5:24 pmHLN Helena-BOS Boston Logan Intl

8h 56m2 stops Denver Intl Chicago O'Hare Intl

$569United Airlines

Sat, Oct 10 - Mon, Oct 19

6:05 am - 12:28 pmBOS Boston Logan Intl-HLN Helena

8h 23m1 stop Salt Lake City

1:08 pm - 11:59 pmHLN Helena-BOS Boston Logan Intl

8h 51m1 stop Salt Lake City

$574Delta

Sat, Nov 14 - Tue, Nov 17

12:00 pm - 9:31 pmBOS Boston Logan Intl-HLN Helena

11h 31m2 stops Newark Denver Intl

6:28 am - 3:35 pmHLN Helena-BOS Boston Logan Intl

7h 07m1 stop Denver Intl

$584United Airlines

Sat, Nov 14 - Tue, Nov 17

12:14 pm - 9:31 pmBOS Boston Logan Intl-HLN Helena

11h 17m2 stops Chicago O'Hare Intl Denver Intl

6:28 am - 5:24 pmHLN Helena-BOS Boston Logan Intl

8h 56m2 stops Denver Intl Chicago O'Hare Intl

$589United Airlines

Booking Insights

Price, demand and travel trends for Boston to Helena flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights from Boston to Helena with more confidence.

Prices

Airlines

Layovers

How much is a round-trip flight from Boston to Helena?

Round-trip flights from Boston to Helena start at $449. Prices are below average for this route right now, with typical round-trip fares ranging from $508 to $846. The lowest price found in the past 5 days was $449 on Alaska Airlines.

Find deals

Low season	December
High season	June
Cheapest flight	$235

Best time to beat the crowds but there is an average 5% increase in price.

Flight from Boston to Helena

When to book flights from Boston to Helena

Are your dates flexible? Find out the best times to travel from Boston to Helena based on our flight data from the last year. Discover the cheapest month and even day to fly.

Estimated round-trip price

KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

Which airports can I use when flying from Boston to Helena?
Flights from Boston to Helena usually depart from Boston Logan Intl (BOS) and arrive at Helena (HLN).
What cabin classes can I book on flights from Boston to Helena?
Only Economy Class is available on flights from Boston to Helena.
Which airports do connecting flights from Boston to Helena pass through?
One-stop flights from Boston to Helena most commonly connect through:

• Denver Intl (DEN) - 76% of one-stop connections
• Salt Lake City (SLC) - 18% of one-stop connections
• Seattle/Tacoma Intl (SEA) - 5% of one-stop connections

Denver Intl (DEN) handles the largest share of one-stop connections on this route.
Can I save money by using flexible dates for flights from Boston to Helena?
On the Boston to Helena route, being flexible with your departure day can save you up to 57%. Saturday is the cheapest day at $431 round-trip on average, while Thursday is the most expensive at $980: a $549 difference. Cheaper weekend fares like these are typical of routes dominated by weekday business travel.
How long is a flight from Boston to Helena?
There are currently no nonstop flights available from Boston to Helena. Flights with 1 layover take between 7h 39m and 18h 48m in total, depending on the connection.
Do I need a passport to fly from Boston to Helena?
No, a passport is not required for this domestic route, but you will need a real ID-compliant driver's license, a state ID, or another TSA-accepted form of identification.
Have flight prices from Boston to Helena changed much recently?
Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $449 to $1,199. That means the highest observed fare was about 3x higher than the lowest one.
How are flight prices from Boston to Helena looking right now?
One-way fares from Boston to Helena are currently higher than usual. Average one-way flight prices are about $387, which is 18% above the typical average for this route.
How much time can I save by choosing a different layover airport from Boston to Helena?
Flying via Denver Intl (DEN) gives the shortest average 1-stop total travel time at 7h 39m, compared with 8h 38m via Salt Lake City (SLC) and 18h 48m via Seattle/Tacoma Intl (SEA).
What is the time difference between Boston and Helena?
Helena is 2 hours behind Boston (Mountain Time vs Eastern Time). Plan for the time shift when scheduling connections or first-day activities.
What car rental options are available at Helena Airport (HLN)?
Helena Airport (HLN) hosts 5 major car rental companies, with daily rates starting from around $25 for economy cars. Top options include:
• Budget
• Enterprise Rent-A-Car
• Hertz
• Avis
• National
How much should I expect to pay for a Boston to Helena flight?
Round-trip flights from Boston to Helena range from $508 to $846, with an average of $562 over the past 12 months. Anything below $508 counts as a good deal.

If your dates can be flexible, aim for a Saturday departure instead of Thursday. On this route, Saturday flights average $431 - about $549 less than Thursday (56% savings) based on the last 12 months.
If you can choose when to travel, plan your Boston to Helena trip for February. Fares historically average $431 round-trip in that month - typically $647 less than the most expensive month, which is July (based on the last 12 months).
If you're arriving late at night and need somewhere to stay, check out these hotels close to Helena Airport.
- Days Inn by Wyndham Helena
- Americas Best Value Inn & Suites Helena
- Baymont by Wyndham Helena

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BOS - HLN

$235 Find Cheap Flights from Boston to Helena - Compare and Save

Everything you should know

Cheap Flights from Boston to Helena (BOS-HLN)

Recent round-trip flight deals from Boston to Helena

Recent one-way flight deals from Boston to Helena

Price, demand and travel trends for Boston to Helena flights

How much is a round-trip flight from Boston to Helena?

What is the cheapest airline to fly from Boston to Helena?

What is the most popular layover airport when flying from Boston to Helena?

What is the cheapest layover airport when flying from Boston to Helena?

When flying from Boston to Helena which airport offers the shortest layover?

Key details for Boston to Helena flights

Low season

High season

Cheapest flight

When to book flights from Boston to Helena

Your Boston to Helena flight questions, answered

Your guide to booking Boston to Helena flights

More options for your flight from Boston to Helena

Complete your trip to Helena with a hotel stay or car rental

Information on your arrival and departure airports

Cabin class types available on flights from Boston to Helena

Find direct flights to and from Boston and Helena

Flights from domestic origins to Helena

Flights to other popular destinations

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