HLN - BOS

$245 Find Cheap Flights from Helena to Boston - Compare and Save

1 adult
1 adult, Economy, 0 bags

Save 25% or more on flights. Compare deals from all over the web.

Never overpay with our price tracking tools.

Filter searches by price, airline and more to find your best flights.

Everything you should know

Cheapest round-trip
$419
Typical prices: $647-$840
Delta
Sat 1/13Thu 1/18
HLN - BOS • 1 stop
Cheapest one-way
$245
Typical prices: $225-$504
Delta
Sat 12/22
HLN - BOS • 1 stop
When to travel
March
Cheapest • 53% price drop
October
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Seattle/Tacoma Intl (SEA)
Cheapest • Avg $608 (round-trip)
Denver Intl (DEN)
Shortest trip • 7h 42m (one-way)
Insights
Insights
Start a new search
KAYAK searches 100s of sites at once to find you the best travel deals.
We hope you love your trip to Boston!
Flight Deals
Booking Insights
Flight Deals

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
$419Alaska Airlines
Fri, Feb 5 - Mon, Feb 8
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
$419Alaska Airlines
Wed, Jan 13 - Mon, Jan 18
Delta Logo
7:10 am - 4:38 pmHLN  Helena-BOS Boston Logan Intl
7h 28m1 stop Salt Lake City
Delta Logo
6:10 am - 12:32 pmBOS  Boston Logan Intl-HLN Helena
8h 22m1 stop Salt Lake City
$419Delta
Wed, Jan 13 - Mon, Jan 18
Delta Logo
7:10 am - 8:11 pmHLN  Helena-BOS Boston Logan Intl
11h 01m2 stops Salt Lake City Cincinnati Cinci./N. Kentucky
Delta Logo
6:10 am - 12:32 pmBOS  Boston Logan Intl-HLN Helena
8h 22m1 stop Salt Lake City
$424Delta
Tue, Dec 22 - Thu, Dec 31
Delta Logo
1:10 pm - 11:58 pmHLN  Helena-BOS Boston Logan Intl
8h 48m1 stop Salt Lake City
Delta Logo
1:45 pm - 10:26 pmBOS  Boston Logan Intl-HLN Helena
10h 41m2 stops Atlanta Hartsfield-Jackson Salt Lake City
$454Delta
Wed, Nov 18 - Sat, Dec 5
Delta Logo
1:07 pm - 11:57 pmHLN  Helena-BOS Boston Logan Intl
8h 50m1 stop Salt Lake City
Delta Logo
6:05 am - 12:30 pmBOS  Boston Logan Intl-HLN Helena
8h 25m1 stop Salt Lake City
$459Delta
Tue, Nov 17 - Sat, Dec 5
Delta Logo
1:07 pm - 11:57 pmHLN  Helena-BOS Boston Logan Intl
8h 50m1 stop Salt Lake City
Delta Logo
4:35 pm - 10:37 pmBOS  Boston Logan Intl-HLN Helena
8h 02m1 stop Salt Lake City
$459Delta
Wed, Nov 18 - Sat, Dec 5
Delta Logo
7:00 am - 4:26 pmHLN  Helena-BOS Boston Logan Intl
7h 26m1 stop Salt Lake City
Delta Logo
12:20 pm - 10:37 pmBOS  Boston Logan Intl-HLN Helena
12h 17m2 stops Atlanta Hartsfield-Jackson Salt Lake City
$464Delta
Thu, Dec 24 - Fri, Jan 1
United Airlines Logo
2:27 pm - 11:59 pmHLN  Helena-BOS Boston Logan Intl
7h 32m1 stop Denver Intl
United Airlines Logo
7:00 am - 1:46 pmBOS  Boston Logan Intl-HLN Helena
8h 46m1 stop Denver Intl
$549United Airlines
Tue, Jan 26 - Sat, Jan 30
United Airlines Logo
6:15 am - 6:30 pmHLN  Helena-BOS Boston Logan Intl
10h 15m2 stops Denver Intl Newark
United Airlines Logo
3:00 pm - 9:32 pmBOS  Boston Logan Intl-HLN Helena
8h 32m1 stop Denver Intl
$554United 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 with more confidence.

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

Round-trip flights from Helena to Boston typically range from $647 to $840. The lowest price found in the past 5 days was $419, on Delta.

Find deals

Key details for Helena to Boston flights

Low season

January

Cheapest flight

$245
Beat the crowds with an average 82% drop in travelers.
The most popular month to fly with an average 59% increase in travelers.
One-way 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 answers about this route, including flight times, airports, airlines and booking tips.

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

    Two cabin classes are available on flights from Helena to Boston:

    • Economy Class
    • First Class

  • 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 42m and 12h 02m 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.

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

    Round-trip flights from Helena to Boston range from $647 to $840, with an average of $704 over the past 12 months. Anything below $647 counts as a good deal.

  • 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 $419 to $1,632. That means the highest observed fare was about 4x 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 lower than usual. Average one-way flight prices are about $278, which is 12% below the typical average for this route.

  • 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 averaging $77 for economy cars. Top options include:

    • Dollar
    • Hertz
    • Budget
    • Thrifty
    • Sixt

  • 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).

  • 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) - 73% of one-stop connections
    • Salt Lake City (SLC) - 20% of one-stop connections
    • Seattle/Tacoma Intl (SEA) - 7% of one-stop connections

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

    Yes. Flexible dates can save you up to 36% on flights from Helena to Boston. 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.

  • 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 42m, compared with 8h 32m via Salt Lake City (SLC) and 12h 02m 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 popular places can I visit in Boston?

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

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 are flexible, aim for a Thursday departure and avoid flying on Friday. On this route, Thursday flights average $704, about $383 less than Friday fares (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 $538 less than the most expensive month, which is June (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.

    • Hyatt Regency Boston Harbor
    • Hilton Garden Inn Boston Logan Airport
    • Hilton Boston Logan Airport

More options for your flight from Helena to Boston

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

Car rentals in Boston
Hotels in Boston
Vacations in Boston