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Cheap flights from Helena to Boston from $290

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Helena to Boston departing on 7/21. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from Helena to Boston

Cheap round-trip flights

Enter your travel dates to find the best prices.
Alaska Airlines Logo
4:48 pm - 7:29 am
HLN
-
BOS
12h 41m
1 stop
Alaska Airlines Logo
7:00 am - 4:11 pm
BOS
-
HLN
11h 11m
1 stop
$398Alaska Airlines
Mon, Oct 19 - Sat, Oct 24
Delta Logo
12:50 pm - 11:49 pm
HLN
-
BOS
8h 59m
1 stop
Delta Logo
6:00 am - 12:24 pm
BOS
-
HLN
8h 24m
1 stop
$399Delta
Mon, Oct 19 - Sat, Oct 24
Delta Logo
5:45 am - 7:21 pm
HLN
-
BOS
11h 36m
2 stops
Delta Logo
6:00 am - 12:24 pm
BOS
-
HLN
8h 24m
1 stop
$403Delta
Mon, Oct 19 - Sat, Oct 24
Delta Logo
5:45 am - 7:21 pm
HLN
-
BOS
11h 36m
2 stops
Delta Logo
6:00 am - 12:24 pm
BOS
-
HLN
8h 24m
1 stop
$404Delta
Mon, Oct 19 - Sat, Oct 24
Delta Logo
5:45 am - 7:21 pm
HLN
-
BOS
11h 36m
2 stops
Delta Logo
3:00 pm - 10:41 pm
BOS
-
HLN
9h 41m
2 stops
$408Delta
Mon, Oct 19 - Sat, Oct 24
Delta Logo
5:45 am - 7:21 pm
HLN
-
BOS
11h 36m
2 stops
Delta Logo
3:00 pm - 10:41 pm
BOS
-
HLN
9h 41m
2 stops
$409Delta
Mon, Oct 19 - Sat, Oct 24
Delta Logo
12:50 pm - 11:49 pm
HLN
-
BOS
8h 59m
1 stop
Delta Logo
6:00 am - 12:24 pm
BOS
-
HLN
8h 24m
1 stop
$423Delta
Mon, Oct 19 - Sat, Oct 24
United Airlines Logo
2:35 pm - 11:54 pm
HLN
-
BOS
7h 19m
1 stop
United Airlines Logo
11:00 am - 9:30 pm
BOS
-
HLN
12h 30m
2 stops
$424United Airlines
Tue, Aug 25 - Fri, Aug 28
Delta Logo
5:40 am - 7:59 pm
HLN
-
BOS
12h 19m
2 stops
Delta Logo
8:55 am - 10:30 pm
BOS
-
HLN
15h 35m
2 stops
$434Delta
Tue, Aug 25 - Fri, Aug 28
United Airlines Logo
2:35 pm - 11:54 pm
HLN
-
BOS
7h 19m
1 stop
United Airlines Logo
7:45 am - 1:45 pm
BOS
-
HLN
8h 00m
1 stop
$443United Airlines
Tue, Aug 25 - Fri, Aug 28

Alaska Airlines flights from Helena to Boston

Our best Alaska Airlines deals on Helena to Boston flight tickets
Alaska Airlines
Oct 19
HLN4:48 pmHelena
12h 41m
1 stop
BOS7:29 amBoston Logan Intl
Oct 24
BOS7:00 amBoston Logan Intl
11h 11m
1 stop
HLN4:11 pmHelena
$398
Alaska Airlines
Oct 12
HLN4:48 pmHelena
12h 41m
1 stop
BOS7:29 amBoston Logan Intl
Oct 17
BOS7:00 amBoston Logan Intl
11h 11m
1 stop
HLN4:11 pmHelena
$449
Alaska Airlines
Jun 17
HLN5:09 pmHelena
12h 31m
1 stop
BOS7:40 amBoston Logan Intl
Jun 22
BOS7:44 pmBoston Logan Intl
22h 48m
1 stop
HLN4:32 pmHelena
$569

Delta flights from Helena to Boston

Our best Delta deals on Helena to Boston flight tickets
Delta
Oct 19
HLN12:50 pmHelena
8h 59m
1 stop
BOS11:49 pmBoston Logan Intl
Oct 24
BOS6:00 amBoston Logan Intl
8h 24m
1 stop
HLN12:24 pmHelena
$399
Delta
Oct 19
HLN5:45 amHelena
11h 36m
2 stops
BOS7:21 pmBoston Logan Intl
Oct 24
BOS6:00 amBoston Logan Intl
8h 24m
1 stop
HLN12:24 pmHelena
$403
Delta
Oct 19
HLN5:45 amHelena
11h 36m
2 stops
BOS7:21 pmBoston Logan Intl
Oct 24
BOS6:00 amBoston Logan Intl
8h 24m
1 stop
HLN12:24 pmHelena
$404

momondo Fare Finder

 
Customize your flight search to find flights from Helena to Boston that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated June 2, 2026.
Use the filters below to find and compare flights from Helena to Boston that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

HelenaBoston

HLN - BOS

HLNBOS

Helena

Mon 10/19

4:48 pm-7:29 am

1 stop12h 41m

Boston Logan Intl

Sat 10/24

7:00 am-4:11 pm

1 stop11h 11m

$398

HelenaBoston

HLN - BOS

HLNBOS

Helena

Mon 10/19

12:50 pm-11:49 pm

1 stop8h 59m

Boston Logan Intl

Sat 10/24

6:00 am-12:24 pm

1 stop8h 24m

$399

HelenaBoston

HLN - BOS

HLNBOS

Helena

Mon 10/19

5:45 am-7:21 pm

2 stops11h 36m

Boston Logan Intl

Sat 10/24

6:00 am-12:24 pm

1 stop8h 24m

$403

HelenaBoston

HLN - BOS

HLNBOS

Helena

Mon 10/19

5:45 am-7:21 pm

2 stops11h 36m

Boston Logan Intl

Sat 10/24

6:00 am-12:24 pm

1 stop8h 24m

$404

HelenaBoston

HLN - BOS

HLNBOS

Helena

Mon 10/19

5:45 am-7:21 pm

2 stops11h 36m

Boston Logan Intl

Sat 10/24

3:00 pm-10:41 pm

2 stops9h 41m

$408

HelenaBoston

HLN - BOS

HLNBOS

Helena

Mon 10/19

5:45 am-7:21 pm

2 stops11h 36m

Boston Logan Intl

Sat 10/24

3:00 pm-10:41 pm

2 stops9h 41m

$409

HelenaBoston

HLN - BOS

HLNBOS

Helena

Mon 10/19

12:50 pm-11:49 pm

1 stop8h 59m

Boston Logan Intl

Sat 10/24

6:00 am-12:24 pm

1 stop8h 24m

$423

HelenaBoston

HLN - BOS

HLNBOS

Helena

Tue 8/25

2:35 pm-11:54 pm

1 stop7h 19m

Boston Logan Intl

Fri 8/28

11:00 am-9:30 pm

2 stops12h 30m

$424

HelenaBoston

HLN - BOS

HLNBOS

Helena

Tue 8/25

5:40 am-7:59 pm

2 stops12h 19m

Boston Logan Intl

Fri 8/28

8:55 am-10:30 pm

2 stops15h 35m

$434
Quickest round-trip

HelenaBoston

HLN - BOS

HLNBOS

Helena

Tue 8/25

2:35 pm-11:54 pm

1 stop7h 19m

Boston Logan Intl

Fri 8/28

7:45 am-1:45 pm

1 stop8h 00m

$443

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Boston from

How to get the cheapest flight ticket from Helena to Boston

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

What is the cheapest month to fly to Boston?

In general, February is the cheapest month to fly from Helena to Boston. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $0. If you aren’t able to travel during the month of February, then book flights to Boston from Helena during January instead. Flights to Boston in January, while not as cheap as those in February, still average around $0.

Can stopping save me money on Helena to Boston flights?

You could potentially save up to 13% on your flight if you consider stops on a Helena to Boston flight.

When to book flights from Helena to Boston

Are you open to changing your travel dates? Check out the ideal times to fly from Helena to Boston according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Helena to Boston (HLN to BOS) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Helena to Boston

Fastest flight time

7h 24m

Direct flights

None
The fastest flight from Helena to Boston takes 7h 24m
There are no direct flights from Helena to Boston. There are no popular flight routes from Helena to Boston.
Search flight deals

Frequently asked questions about flying from Helena to Boston

  • How far is Helena to Boston Logan Intl by plane?

    The distance between Helena and Boston Logan Intl is about 2016.7 mi. In terms of flight time, this usually takes a little over 7h 24m.

  • When did momondo last update prices for flights from Helena Airport to Boston Logan Intl Airport?

    Prices for flights from Helena Airport to Boston Logan Intl Airport were last updated today.

  • How many operators does momondo search for flights from Helena Airport to Boston Logan Intl Airport?

  • How old do you have to be to fly from Helena Airport to Boston Logan Intl Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Helena Airport to Boston Logan Intl Airport.

  • What documentation or ID do you need to fly to Boston Logan Intl Airport?

    The travel and health documents required for your trip to Boston Logan Intl Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Boston Logan Intl Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • What is the most popular airline from Helena to Boston?

Best airlines flying from Helena to Boston

Compare and see reviews for airlines that fly from Helena to Boston with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $219Free CancellationRating
7.4
9,778 reviews
Search United Airlines flights

Traveling to a place near Boston?

Book flights to Boston if you plan to visit one of these locations
Hampton Beach
Salem
Ogunquit
Old Orchard Beach
Hampton
York Beach
Kennebunkport
Cambridge
Plymouth
South Yarmouth
Gloucester
Narragansett
Brockton
Falmouth
Warwick
Chatham
Sturbridge
Laconia
Dennis Port
Revere

Why use momondo?

Why should I use momondo to find a flight deal from Helena to Boston?

It is quick and easy to find Helena to Boston flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Boston that suits you.

Can I find flights from Helena to Boston with flexible booking policies on momondo?

All flight searches from Helena to Boston on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Helena to Boston?

Once all potential Helena to Boston flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Helena to Boston right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Boston, momondo offers a useful price alert feature which will track prices for flights to Boston from Helena and alert you when they change.

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