HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Great Falls

$443+ Cheap flights from Boston to Great Falls (BOS - GTF)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/21. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — GTF
Jan 11 — Jan 181
Sun 1/11
Sun 1/18
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Boston to Great Falls 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 Great Falls

Cheapest flights from Boston to Great Falls
Explore the most affordable flight options available from Boston to Great Falls. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 12, 2025.

This United Airlines deal was found by Cheapflights users on 12/11. 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 12/206:23 pmBOS - GTF
2 stops30h 23mUnited Airlines
Mon 12/296:15 amGTF - BOS
2 stops25h 04mUnited Airlines
Deal found 12/11$760
This United Airlines deal was found by Cheapflights users on 12/11. 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.
Mon 12/153:16 pmBOS - GTF
1 stop8h 16mUnited Airlines
Thu 12/182:35 pmGTF - BOS
1 stop7h 00mUnited Airlines
Deal found 12/11$1,041
This United Airlines deal was found by Cheapflights users on 12/10. 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.
Thu 12/116:00 amBOS - GTF
2 stops17h 32mUnited Airlines
Fri 12/126:15 amGTF - BOS
2 stops13h 30mUnited Airlines
Deal found 12/10$1,042
This Alaska Airlines deal was found by Cheapflights users on 12/10. 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 12/119:00 amBOS - GTF
1 stop11h 55mAlaska Airlines
Fri 12/127:35 pmGTF - BOS
1 stop9h 54mAlaska Airlines
Deal found 12/10$1,120
This Delta deal was found by Cheapflights users on 12/11. 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.
Mon 12/156:10 amBOS - GTF
1 stop8h 21mDelta
Thu 12/185:30 amGTF - BOS
2 stops10h 44mDelta
Deal found 12/11$1,177
This United Airlines deal was found by Cheapflights users on 12/11. 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 12/206:23 pmBOS - GTF
2 stops30h 23mUnited Airlines
Fri 1/22:35 pmGTF - BOS
1 stop6h 58mUnited Airlines
Deal found 12/11$1,207

Find flight deals from Boston to Great Falls

Discover tips and strategies to find the most affordable flight options for your journey from Boston (BOS) to Great Falls (GTF). 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 December 12, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$443
(Delta)

Popular in

November

Cheapest in

January

Average price

$470
Provider with most accurate pricing for Boston Logan Intl-Great Falls flight deals.
Search Deals
Provider most trusted by Cheapflights users for Boston Logan Intl-Great Falls flights.
Search Deals
From Boston Logan Intl to Great Falls
Search Deals
Highest demand for flights based on searches. 16% potential increase in price ($120 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease ($38 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Boston to Great Falls 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 December 12, 2025.
Use the filters below to find and compare flights from Boston to Great Falls that are best for you.

Fly from

Boston

Fly to

Great Falls

Route

Depart

Return

Price

BostonGreat Falls

BOS - GTF

BOSGTF

Boston Logan Intl

Wed 1/21

7:15 am-5:30 pm

2 stops12h 15m

Great Falls

Wed 1/28

1:12 pm-6:50 am

2 stops15h 38m

$443

BostonGreat Falls

BOS - GTF

BOSGTF

Boston Logan Intl

Wed 1/21

4:20 pm-5:19 pm

2 stops26h 59m

Great Falls

Wed 1/28

5:59 pm-4:20 pm

1 stop20h 21m

$477

BostonGreat Falls

BOS - GTF

BOSGTF

Boston Logan Intl

Sat 4/25

6:00 am-12:23 pm

1 stop8h 23m

Great Falls

Sat 5/2

1:10 pm-11:57 pm

1 stop8h 47m

$480

BostonGreat Falls

BOS - GTF

BOSGTF

Boston Logan Intl

Tue 1/6

4:25 pm-10:30 pm

1 stop8h 05m

Great Falls

Sat 1/10

5:30 am-2:36 pm

1 stop7h 06m

$480

BostonGreat Falls

BOS - GTF

BOSGTF

Boston Logan Intl

Sat 2/7

6:00 am-9:43 pm

2 stops17h 43m

Great Falls

Wed 2/11

2:29 pm-11:46 pm

1 stop7h 17m

$556

BostonGreat Falls

BOS - GTF

BOSGTF

Boston Logan Intl

Sat 2/7

7:00 am-5:19 pm

1 stop12h 19m

Great Falls

Wed 2/11

5:59 pm-11:59 pm

1 stop28h 00m

$557

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/10

Compare providers for flights from Boston to Great Falls

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 Great Falls in December.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Boston-Great Falls flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Boston-Great Falls flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Boston-Great Falls flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Boston-Great Falls flights, Cheapflights users trust eDreams the most. eDreams 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-Great Falls 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 Great Falls

Have a flexible travel schedule? Discover the best time to fly to Great Falls from Boston with our price prediction graph.
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.

Cheapflights Insights

Everything you need to know about your flight from Boston to Great Falls

What is the cheapest time of day to fly from BOS to GTF?

Find hourly flight availability from Boston to Great Falls. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 12, 2025.

It’s typically best to fly out from Boston to Great Falls in the evening. Doing so could potentially save you 14% on the flight price compared to flying in the afternoon, which is usually more expensive.

Reviews of airlines servicing Great Falls

Get insights into the airlines that provide service to Great Falls. 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 Great Falls. Reviews last updated December 12, 2025.
See what other customers who have flown with Delta and United Airlines from Boston to Great Falls have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
8,007 reviews

Entertainment

7.9

Food

7.3

Boarding

8.1

Comfort

7.9

Crew

8.5

Overall

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Delta
7.9
Good
8,007 reviews
Delta
7.9
Good
8,007 reviews

Entertainment

7.9

Food

7.3

Boarding

8.1

Comfort

7.9

Crew

8.5

Overall

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
United Airlines
7.4
Good
9,095 reviews
Delta
7.9
Good
8,007 reviews

Entertainment

7.9

Food

7.3

Boarding

8.1

Comfort

7.9

Crew

8.5

Overall

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Related info for your journey

Find useful and relevant information for your journey from Boston to Great Falls. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Boston to Great Falls?

    For as low as $443, Delta can have you in Great Falls from Boston in 12h 15m. Airlines will cover a distance of 1982 mi. This flight may include one or multiple stops.

  • What are the cheapest airlines flying from Boston to Great Falls round-trip?

    Currently priced at $304, Delta will fly you from Boston to Great Falls and back. In addition to Delta, many other airlines offer competitively priced options for your trip. Check Cheapflights for deals on United Airlines for as low as $405. These flights start at 49% lower than the current average price 3 months from now.

  • Can I find deals for flights from Boston to Great Falls that include hotel bookings?

    Yes. In addition to deals on Boston to Great Falls flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Boston to Great Falls?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Boston to Great Falls.

  • Can I find deals for business class flights from Boston to Great Falls?

    Yes. Cheapflights offers flight deals from Boston to Great Falls by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

Traveling to a place near Great Falls?

Book flights to Great Falls if you plan to visit one of these locations
Shelby

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.

Top 2 airlines flying from Boston to Great Falls

Discover the top 2 airlines that operate flights from Boston to Great Falls. 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 December 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$304Average$531FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$410Average$596FlexibilityNo cancel feeOn-time69%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.