HLN - BOS

$260 Find Cheap Flights from Helena to Boston - Compare and Save

1 adult
1 adult, Economy, 0 bags

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Everything you should know

Cheapest round-trip
$449
Typical prices: $704-$857
Alaska Airlines
Fri 1/26Tue 1/30
HLN - BOS • 1 stop
Cheapest one-way
$260
Typical prices: $269-$504
Delta
Fri 9/28
HLN - BOS • 1 stop
When to travel
March
Cheapest • 55% price drop
October
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Salt Lake City (SLC)
Cheapest • Avg $693 (round-trip)
Denver Intl (DEN)
Shortest trip • 7h 40m (one-way)
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Cheap Flights from Helena to Boston (HLN-BOS)

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

Recent round-trip flight deals from Helena to Boston

Tue, Jan 26 - Sat, Jan 30
Alaska Airlines Logo
5:00 pm - 5:40 amHLN  Helena-BOS Boston Logan Intl
10h 40m1 stop Seattle/Tacoma Intl
Alaska Airlines Logo
7:00 am - 4:23 pmBOS  Boston Logan Intl-HLN Helena
11h 23m1 stop Seattle/Tacoma Intl
$449Alaska Airlines
Thu, Dec 24 - Thu, Dec 31
United Airlines Logo
2:27 pm - 11:59 pmHLN  Helena-BOS Boston Logan Intl
7h 32m1 stop Denver Intl
United Airlines Logo
3:05 pm - 9:37 pmBOS  Boston Logan Intl-HLN Helena
8h 32m1 stop Denver Intl
$469United Airlines
Tue, Jan 26 - Sat, Jan 30
Alaska Airlines Logo
5:00 pm - 5:40 amHLN  Helena-BOS Boston Logan Intl
10h 40m1 stop Seattle/Tacoma Intl
Alaska Airlines Logo
7:00 am - 4:23 pmBOS  Boston Logan Intl-HLN Helena
11h 23m1 stop Seattle/Tacoma Intl
$469Alaska Airlines
Thu, Dec 24 - Thu, Dec 31
United Airlines Logo
2:27 pm - 11:59 pmHLN  Helena-BOS Boston Logan Intl
7h 32m1 stop Denver Intl
United Airlines Logo
9:30 am - 9:37 pmBOS  Boston Logan Intl-HLN Helena
14h 07m2 stops Washington, D.C. Dulles Intl Denver Intl
$474United Airlines
Mon, Oct 19 - Sat, Oct 24
Alaska Airlines Logo
5:26 pm - 11:59 pmHLN  Helena-BOS Boston Logan Intl
28h 33m1 stop Seattle/Tacoma Intl
Alaska Airlines Logo
7:03 am - 4:49 pmBOS  Boston Logan Intl-HLN Helena
11h 46m1 stop Seattle/Tacoma Intl
$551Alaska Airlines
Tue, Jan 26 - Sat, Jan 30
Alaska Airlines Logo
5:00 pm - 3:53 pmHLN  Helena-BOS Boston Logan Intl
20h 53m2 stops Seattle/Tacoma Intl Portland
Alaska Airlines Logo
7:00 am - 4:23 pmBOS  Boston Logan Intl-HLN Helena
11h 23m1 stop Seattle/Tacoma Intl
$554Alaska Airlines
Tue, Jan 26 - Sat, Jan 30
United Airlines Logo
7:00 am - 7:43 pmHLN  Helena-BOS Boston Logan Intl
10h 43m2 stops Denver Intl Newark
United Airlines Logo
9:00 am - 8:59 pmBOS  Boston Logan Intl-HLN Helena
13h 59m2 stops Newark Denver Intl
$569United Airlines
Mon, Oct 19 - Sat, Oct 24
Alaska Airlines Logo
5:26 pm - 6:12 amHLN  Helena-BOS Boston Logan Intl
34h 46m2 stops Seattle/Tacoma Intl Portland
Alaska Airlines Logo
7:03 am - 4:49 pmBOS  Boston Logan Intl-HLN Helena
11h 46m1 stop Seattle/Tacoma Intl
$569Alaska Airlines
Mon, Oct 19 - Sat, Oct 24
Delta Logo
1:08 pm - 11:59 pmHLN  Helena-BOS Boston Logan Intl
8h 51m1 stop Salt Lake City
Delta Logo
6:05 am - 12:28 pmBOS  Boston Logan Intl-HLN Helena
8h 23m1 stop Salt Lake City
$574Delta
Tue, Jan 26 - Sat, Jan 30
Alaska Airlines Logo
5:00 pm - 5:40 amHLN  Helena-BOS Boston Logan Intl
10h 40m1 stop Seattle/Tacoma Intl
Alaska Airlines Logo
4:56 pm - 4:23 pmBOS  Boston Logan Intl-HLN Helena
25h 27m2 stops Portland Seattle/Tacoma Intl
$576Alaska Airlines
Booking Insights

Price, demand and travel trends for Helena to Boston flights

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

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

Round-trip flights from Helena to Boston start at $449. Prices are below average for this route right now, with typical round-trip fares ranging from $704 to $857. The lowest price found in the past 5 days was $449 on Alaska Airlines.

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Key details for Helena to Boston flights

Low season

February

Cheapest flight

$260
Most popular time to fly with an average 41% increase in price.
Flight from Helena to Boston

When to book flights from Helena to Boston

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

Your Helena to Boston flight questions, answered

Find helpful route details based on KAYAK data, including flight times, airports, airlines and booking questions.

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

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

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

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

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

    One-stop flights from Helena to Boston most commonly connect through:

    • Denver Intl (DEN) - 67% of one-stop connections
    • Salt Lake City (SLC) - 22% of one-stop connections
    • Seattle/Tacoma Intl (SEA) - 11% 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 Helena to Boston?

    Yes. Being flexible with your travel dates can save you up to 36% on the Helena to Boston route. Thursday is the cheapest departure day at $704 round-trip on average, while Friday is the most expensive at $1,087, a difference of $383. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

  • What popular places can I visit in Boston?

    Some of the most popular sights in Boston are Fenway Park, TD Garden and South Station. These are among the most viewed places in Boston on KAYAK.

  • How long is a flight from Helena to Boston?

    There are currently no nonstop flights available from Helena to Boston. Flights with 1 layover take between 7h 40m and 11h 17m in total, depending on the connection.

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

    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 Helena to Boston 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 $1,170. That means the highest observed fare was about 3x higher than the lowest one.

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

    One-way fares from Helena to Boston are currently higher than usual. Average one-way flight prices are about $449, which is 6% above the typical average for this route.

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

    Flying via Denver Intl (DEN) gives the shortest average 1-stop total travel time at 7h 40m, compared with 8h 27m via Salt Lake City (SLC) and 11h 17m via Seattle/Tacoma Intl (SEA).

  • What is the time difference between Helena and Boston?

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

  • What car rental options are available at Boston Logan Intl Airport (BOS)?

    Boston Logan Intl Airport (BOS) hosts 5 major car rental companies, with daily rates starting from around $23 for economy cars. Top options include:
    • Dollar
    • Hertz
    • Budget
    • Thrifty
    • Sixt

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

    Round-trip flights from Helena to Boston range from $704 to $857, with an average of $744 over the past 12 months. Anything below $704 counts as a good deal.

Your guide to booking Helena to Boston flights

Get tips on when to book, when to fly and what to know before your trip.
  • If your dates can be flexible, aim for a Thursday departure instead of Friday. On this route, Thursday flights average $704 - about $383 less than Friday (35% savings) based on the last 12 months.
  • If you can choose when to travel, plan your Helena to Boston trip for March. Fares historically average $334 round-trip in that month - typically $716 less than the most expensive month, which is October (based on the last 12 months).
  • If you're arriving late at night and need somewhere to stay, check out these hotels close to Boston Logan Intl Airport.
    - Embassy Suites by Hilton Boston at Logan Airport
    - Hilton Garden Inn Boston Logan Airport
    - Hilton Boston Logan Airport

More options for your flight from Helena to Boston

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