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$225+ Cheap flights from Boston to Great Falls (BOS - GTF)

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 2/3. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — GTF
Feb 25 — Mar 41
Wed 2/25
Wed 3/4
1 adult, Economy
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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 January 26, 2026.

This Delta deal was found by Cheapflights users on 1/26. 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 4/810:20 am
BOS
-
GTF
1 stop9h 22m
Delta
Mon 4/136:20 pm
GTF
-
BOS
1 stop9h 40m
Delta
Deal found 1/26$323
This Delta deal was found by Cheapflights users on 1/25. 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 7/110:35 am
BOS
-
GTF
1 stop9h 04m
Delta
Tue 7/76:20 pm
GTF
-
BOS
1 stop9h 49m
Delta
Deal found 1/25$433
This Delta deal was found by Cheapflights users on 1/25. 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 8/147:10 am
BOS
-
GTF
2 stops12h 29m
Delta
Mon 8/246:20 pm
GTF
-
BOS
1 stop9h 49m
Delta
Deal found 1/25$439
This Delta deal was found by Cheapflights users on 1/25. 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 5/236:00 am
BOS
-
GTF
1 stop8h 23m
Delta
Tue 5/266:20 pm
GTF
-
BOS
1 stop9h 49m
Delta
Deal found 1/25$458
This United Airlines deal was found by Cheapflights users on 1/23. 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 1/273:15 pm
BOS
-
GTF
1 stop8h 38m
United Airlines
Sat 1/312:29 pm
GTF
-
BOS
1 stop7h 23m
United Airlines
Deal found 1/23$473
This Delta deal was found by Cheapflights users on 1/24. 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 8/246:00 am
BOS
-
GTF
1 stop8h 23m
Delta
Fri 8/286:20 pm
GTF
-
BOS
1 stop9h 49m
Delta
Deal found 1/24$480

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 January 26, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$323
(Delta)

One-way from

$225
(Alaska Airlines)

Popular in

January

Cheapest in

April

Average price

$1,000
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
One-way flight from Boston Logan Intl to Great Falls
Search Deals
Highest demand for flights based on searches. 11% potential increase in price ($88 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($34 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
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 January 26, 2026.
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 4/8

10:20 am-5:42 pm

1 stop9h 22m

Great Falls

Mon 4/13

6:20 pm-6:00 am

1 stop9h 40m

$323

BostonGreat Falls

BOS - GTF

BOSGTF

Boston Logan Intl

Wed 7/1

10:35 am-5:39 pm

1 stop9h 04m

Great Falls

Tue 7/7

6:20 pm-6:09 am

1 stop9h 49m

$433

BostonGreat Falls

BOS - GTF

BOSGTF

Boston Logan Intl

Sat 5/23

6:00 am-12:23 pm

1 stop8h 23m

Great Falls

Tue 5/26

6:20 pm-6:09 am

1 stop9h 49m

$458

BostonGreat Falls

BOS - GTF

BOSGTF

Boston Logan Intl

Sat 5/23

5:59 pm-6:12 pm

2 stops26h 13m

Great Falls

Tue 5/26

6:52 pm-7:41 am

1 stop10h 49m

$561

BostonGreat Falls

BOS - GTF

BOSGTF

Boston Logan Intl

Tue 7/21

6:00 am-12:23 pm

1 stop8h 23m

Great Falls

Mon 7/27

6:20 pm-6:09 am

1 stop9h 49m

$618

BostonGreat Falls

BOS - GTF

BOSGTF

Boston Logan Intl

Tue 2/3

7:00 am-5:19 pm

1 stop12h 19m

$225

BostonGreat Falls

BOS - GTF

BOSGTF

Boston Logan Intl

Wed 2/4

7:00 am-5:19 pm

1 stop12h 19m

$225

BostonGreat Falls

BOS - GTF

BOSGTF

Boston Logan Intl

Wed 2/4

6:00 am-9:55 am

3 stops29h 55m

$234

BostonGreat Falls

BOS - GTF

BOSGTF

Boston Logan Intl

Wed 7/22

6:00 am-11:23 am

1 stop7h 23m

$256

BostonGreat Falls

BOS - GTF

BOSGTF

Boston Logan Intl

Tue 2/3

3:43 pm-9:55 am

3 stops44h 12m

$282

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/25

Showing 1-10 of 13 results
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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 January.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice 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 FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Boston-Great Falls flight deals on Cheapflights vs. FlightHub >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 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-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.

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 January 26, 2026.
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
8,111 reviews

Entertainment

7.8

Comfort

7.9

Food

7.2

Boarding

8.1

Overall

7.9

Crew

8.5

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
8,111 reviews
Delta
7.9
Good
8,111 reviews

Entertainment

7.8

Comfort

7.9

Food

7.2

Boarding

8.1

Overall

7.9

Crew

8.5

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
9,199 reviews
Delta
7.9
Good
8,111 reviews

Entertainment

7.8

Comfort

7.9

Food

7.2

Boarding

8.1

Overall

7.9

Crew

8.5

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 $323, Delta can have you in Great Falls from Boston in 9h 22m. Airlines will cover a distance of 1982 mi.

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

    Currently priced at $314, 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 52% 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

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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 January 26, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$314Average$539FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$405Average$596FlexibilityNo cancel feeOn-time69%

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