$200+ Cheap flights from Boston to Helena (BOS - HLN)
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 7/7. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — HLN
Jul 7 — Jul 141
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
Find cheap flights from Boston to Helena with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Boston to Helena
Cheapest
Best
Last-minute
One-way
Cheapest flights from Boston to HelenaExplore the most affordable flight options available from Boston to Helena. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 7, 2026.
Explore the most affordable flight options available from Boston to Helena. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 7, 2026.
This Delta deal was found by Cheapflights users on 6/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/196:05 am
BOS
- HLN
1 stop8h 12m
Delta
Sat 9/2612:57 pm
HLN
- BOS
1 stop8h 56m
Delta
Deal found 6/4![Delta logo]()
$399
This United Airlines deal was found by Cheapflights users on 6/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/189:30 am
BOS
- HLN
2 stops14h 00m
United Airlines
Tue 8/252:35 pm
HLN
- BOS
1 stop7h 19m
United Airlines
Deal found 6/6![United Airlines logo]()
$414
This Delta deal was found by Cheapflights users on 6/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/152:35 pm
BOS
- HLN
2 stops9h 55m
Delta
Fri 8/2812:55 pm
HLN
- BOS
1 stop9h 02m
Delta
Deal found 6/6![Delta logo]()
$429
This Alaska Airlines deal was found by Cheapflights users on 6/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/1010:03 am
BOS
- HLN
1 stop8h 38m
Alaska Airlines
Wed 9/165:18 pm
HLN
- BOS
1 stop12h 21m
Alaska Airlines
Deal found 6/5![Alaska Airlines logo]()
$441
This Orbitz deal was found by Cheapflights users on 6/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/137:12 am
BOS
- HLN
1 stop11h 29m
Alaska Airlines
Sun 9/275:18 pm
HLN
- BOS
1 stop12h 21m
Alaska Airlines
Deal found 6/2![Alaska Airlines logo]()
$449
This Alaska Airlines deal was found by Cheapflights users on 6/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/247:00 am
BOS
- HLN
1 stop11h 11m
Alaska Airlines
Wed 10/284:48 pm
HLN
- BOS
1 stop21h 07m
Alaska Airlines
Deal found 6/6![Alaska Airlines logo]()
$491
This Delta deal was found by Cheapflights users on 6/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/136:00 am
BOS
- HLN
1 stop8h 23m
Delta
Sun 9/277:15 am
HLN
- BOS
2 stops10h 40m
Delta
Deal found 6/2![Delta logo]()
$512
This United Airlines deal was found by Cheapflights users on 6/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/2410:36 am
BOS
- HLN
2 stops12h 27m
United Airlines
Wed 10/282:30 pm
HLN
- BOS
1 stop7h 12m
United Airlines
Deal found 6/4![United Airlines logo]()
$514
Best flights from Boston to HelenaDiscover carefully curated flight deals from Boston to Helena that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 7, 2026.
Discover carefully curated flight deals from Boston to Helena that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 7, 2026.
This United Airlines deal was found by Cheapflights users on 6/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/189:30 am
BOS
- HLN
2 stops14h 00m
United Airlines
Tue 8/252:35 pm
HLN
- BOS
1 stop7h 19m
United Airlines
Deal found 6/6![United Airlines logo]()
$414
This Alaska Airlines deal was found by Cheapflights users on 6/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/17:12 am
BOS
- HLN
1 stop11h 22m
Alaska Airlines
Fri 9/45:11 pm
HLN
- BOS
1 stop28h 43m
Alaska Airlines
Deal found 6/3![Alaska Airlines logo]()
$561
This Alaska Airlines deal was found by Cheapflights users on 6/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/47:03 am
BOS
- HLN
1 stop11h 29m
Alaska Airlines
Fri 7/105:09 pm
HLN
- BOS
1 stop12h 31m
Alaska Airlines
Deal found 6/6![Alaska Airlines logo]()
$575
This Expedia deal was found by Cheapflights users on 6/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/77:44 pm
BOS
- HLN
1 stop22h 48m
Alaska Airlines
Sun 7/125:09 pm
HLN
- BOS
1 stop19h 14m
Alaska Airlines
Deal found 6/4![Alaska Airlines logo]()
$702
This United Airlines deal was found by Cheapflights users on 6/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/243:10 pm
BOS
- HLN
1 stop8h 10m
United Airlines
Mon 6/292:20 pm
HLN
- BOS
1 stop7h 24m
United Airlines
Deal found 6/2![United Airlines logo]()
$777
This Alaska Airlines deal was found by Cheapflights users on 6/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/166:03 am
BOS
- HLN
2 stops12h 29m
Alaska Airlines
Tue 7/215:09 pm
HLN
- BOS
1 stop28h 50m
Alaska Airlines
Deal found 6/6![Alaska Airlines logo]()
$707
This Expedia deal was found by Cheapflights users on 6/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/17:03 am
BOS
- HLN
1 stop11h 29m
Alaska Airlines
Sun 7/55:09 pm
HLN
- BOS
2 stops35h 11m
Alaska Airlines
Deal found 6/6![Alaska Airlines logo]()
$762
Last-minute flights from Boston to HelenaDiscover last-minute flight deals from Boston to Helena. Data last updated June 7, 2026 and is based on user searches.
Discover last-minute flight deals from Boston to Helena. Data last updated June 7, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 6/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/243:10 pm
BOS
- HLN
1 stop8h 10m
United Airlines
Mon 6/292:20 pm
HLN
- BOS
1 stop7h 24m
United Airlines
Deal found 6/2![United Airlines logo]()
$777
This Expedia deal was found by Cheapflights users on 6/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/17:03 am
BOS
- HLN
1 stop11h 29m
Alaska Airlines
Sun 7/55:09 pm
HLN
- BOS
2 stops35h 11m
Alaska Airlines
Deal found 6/6![Alaska Airlines logo]()
$762
This Delta deal was found by Cheapflights users on 6/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/12:13 pm
BOS
- HLN
2 stops10h 18m
Delta
Sun 7/51:00 pm
HLN
- BOS
1 stop8h 49m
Delta
Deal found 6/6![Delta logo]()
$830
This Alaska Airlines deal was found by Cheapflights users on 6/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/47:03 am
BOS
- HLN
1 stop11h 29m
Alaska Airlines
Fri 7/105:09 pm
HLN
- BOS
1 stop12h 31m
Alaska Airlines
Deal found 6/6![Alaska Airlines logo]()
$575
This Delta deal was found by Cheapflights users on 6/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/46:05 am
BOS
- HLN
1 stop8h 15m
Delta
Fri 7/105:40 am
HLN
- BOS
2 stops12h 08m
Delta
Deal found 6/6![Delta logo]()
$619
This Expedia deal was found by Cheapflights users on 6/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/77:44 pm
BOS
- HLN
1 stop22h 48m
Alaska Airlines
Sun 7/125:09 pm
HLN
- BOS
2 stops34h 31m
Alaska Airlines
Deal found 6/4![Alaska Airlines logo]()
$692
This Alaska Airlines deal was found by Cheapflights users on 6/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/167:03 am
BOS
- HLN
1 stop11h 29m
Alaska Airlines
Tue 7/215:09 pm
HLN
- BOS
1 stop28h 50m
Alaska Airlines
Deal found 6/6![Alaska Airlines logo]()
$667
One-way flights from Boston to HelenaSearch for one-way flight options from Boston to Helena. Find affordable one-way fares based on user searches. Data last updated June 7, 2026.
Search for one-way flight options from Boston to Helena. Find affordable one-way fares based on user searches. Data last updated June 7, 2026.
This Delta deal was found by Cheapflights users on 6/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/76:05 am
BOS
- HLN
1 stop8h 10m
Delta
Deal found 6/4![Delta logo]()
$200
This United Airlines deal was found by Cheapflights users on 6/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/710:55 am
BOS
- HLN
2 stops12h 25m
United Airlines
Deal found 6/2![United Airlines logo]()
$260
This Delta deal was found by Cheapflights users on 6/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/28:55 am
BOS
- HLN
2 stops15h 35m
Delta
Deal found 6/2![Delta logo]()
$264
This Delta deal was found by Cheapflights users on 6/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/122:50 pm
BOS
- HLN
2 stops9h 51m
Delta
Deal found 6/2![Delta logo]()
$290
Find flight deals from Boston to Helena
Discover tips and strategies to find the most affordable flight options for your journey from Boston (BOS) to Helena (HLN). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated June 7, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $399 (Delta) |
One-way from | $200 (Delta) |
Cheapflights Fare Finder
Customize your flight search to find flights from Boston to Helena 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, Cheapflights users made 2,558,603 searches. Data last updated June 7, 2026.
Use the filters below to find and compare flights from Boston to Helena that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
BostonHelena
BOS - HLN
BOSHLN
Boston Logan Intl
Tue 8/18
9:30 am-9:30 pm
2 stops14h 00m
Helena
Tue 8/25
2:35 pm-11:54 pm
1 stop7h 19m
$414
BostonHelena
BOS - HLN
BOSHLN
Boston Logan Intl
Tue 9/1
7:12 am-4:34 pm
1 stop11h 22m
Helena
Fri 9/4
5:11 pm-11:54 pm
1 stop28h 43m
$561
BostonHelena
BOS - HLN
BOSHLN
Boston Logan Intl
Sat 7/4
7:03 am-4:32 pm
1 stop11h 29m
Helena
Fri 7/10
5:09 pm-7:40 am
1 stop12h 31m
$575
BostonHelena
BOS - HLN
BOSHLN
Boston Logan Intl
Tue 7/7
7:44 pm-4:32 pm
1 stop22h 48m
Helena
Sun 7/12
5:09 pm-2:23 pm
1 stop19h 14m
$702
BostonHelena
BOS - HLN
BOSHLN
Boston Logan Intl
Thu 7/16
6:03 am-4:32 pm
2 stops12h 29m
Helena
Tue 7/21
5:09 pm-11:59 pm
1 stop28h 50m
$707
BostonHelena
BOS - HLN
BOSHLN
Boston Logan Intl
Wed 7/1
7:03 am-4:32 pm
1 stop11h 29m
Helena
Sun 7/5
5:09 pm-6:20 am
2 stops35h 11m
$762
Quickest round-trip
BostonHelena
BOS - HLN
BOSHLN
Boston Logan Intl
Wed 6/24
3:10 pm-9:20 pm
1 stop8h 10m
Helena
Mon 6/29
2:20 pm-11:44 pm
1 stop7h 24m
$777
Cheapest one-way
Quickest one-way
BostonHelena
BOS - HLN
BOSHLN
Boston Logan Intl
Tue 7/7
6:05 am-12:15 pm
1 stop8h 10m
$200
BostonHelena
BOS - HLN
BOSHLN
Boston Logan Intl
Tue 7/7
10:55 am-9:20 pm
2 stops12h 25m
$260
BostonHelena
BOS - HLN
BOSHLN
Boston Logan Intl
Fri 6/12
7:44 pm-4:32 pm
1 stop22h 48m
$290
Showing 1-10 of 11 resultsSorted by cheapest first
Compare providers for flights from Boston to Helena
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Boston to Helena in June.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Boston-Helena flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Boston-Helena flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Boston-Helena flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Boston-Helena flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Boston-Helena flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from Boston to Helena
Have a flexible travel schedule? Discover the best time to fly to Helena from Boston with our price prediction graph.
BOS-HLN
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Reviews of airlines servicing Helena
Get insights into the airlines that provide service to Helena. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Helena. Reviews last updated June 7, 2026.
Get a feel of what it's like to fly with United Airlines from Boston to Helena by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Food
6.6
Entertainment
7.1
Comfort
7.3
Crew
8.1
Boarding
7.7
Overall
7.4
Reviews
1 / 20
4.0
OkayDynasty,May 2026
LAX - EWR
Food
6.6
Entertainment
7.1
Comfort
7.3
Crew
8.1
Boarding
7.7
Overall
7.4
Reviews
1 / 20
4.0
OkayDynasty,May 2026
LAX - EWR
Related info for your journey
Find useful and relevant information for your journey from Boston to Helena. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Alternative routes
Complete your trip
Flights by cabin class
Helena flight routes
Other flight options
Other flights from Boston
Popular flights
Alternative routes for Boston to Helena
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Helena by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Boston to Helena by cabin class
Find flights from Boston to Helena, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Other flights to Helena
Explore flights to Helena departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on June 7, 2026.
Boston and Helena flights
Browse other Boston and Helena flight options. Last updated on June 7, 2026.
Other flights from Boston
Browse through other flights departing from Boston. Flights are based on user searches made on Cheapflights and were last updated on June 7, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top airline flying from Boston to Helena
Discover the top airline that operate flights from Boston to Helena. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated June 7, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$431 | Average$556 | FlexibilityNo cancel fee | On-time69% |