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$323+ Cheap flights from Great Falls to Boston (GTF - BOS)

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 11/4. Fares are subject to change and may not be available on all flights or dates of travel.
GTF — BOS
Oct 28 — Nov 41
Tue 10/28
Tue 11/4
1 adult, Economy
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Cheap flight deals from Great Falls to Boston

Discover tips and strategies to find the most affordable flight options for your journey from Great Falls (GTF) to Boston (BOS). 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 September 28, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$323
(Delta)

Popular in

April

Cheapest in

October

Average price

$440
Provider with most accurate pricing for Great Falls-Boston Logan Intl flight deals.
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Provider most trusted by Cheapflights users for Great Falls-Boston Logan Intl flights.
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From Great Falls to Boston Logan Intl
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Highest demand for flights based on searches. 21% potential increase in price ($164 potential increase over avg. RT price).
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Cheapest flight prices on average. 6% potential price decrease ($38 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find flight deals from Great Falls to Boston

Cheapest flights from Great Falls to Boston
Explore the most affordable flight options available from Great Falls to Boston. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 28, 2025.

This Delta deal was found by Cheapflights users on 9/27. 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 11/41:08 pmGTF - BOS
2 stops15h 27mDelta
Tue 11/1111:10 amBOS - GTF
2 stops13h 20mDelta
Deal found 9/27$323
This Delta deal was found by Cheapflights users on 9/26. 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.
Sat 11/11:08 pmGTF - BOS
2 stops15h 27mDelta
Thu 11/67:20 amBOS - GTF
2 stops12h 09mDelta
Deal found 9/26$333
This KAYAK deal was found by Cheapflights users on 9/27. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/126:50 pmGTF - BOS
1 stop10h 39mAlaska Airlines
Wed 11/199:00 amBOS - GTF
1 stop11h 10mAlaska Airlines
Deal found 9/27$334
This Alaska Airlines deal was found by Cheapflights users on 9/25. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/146:50 pmGTF - BOS
1 stop27h 30mAlaska Airlines
Mon 11/177:00 amBOS - GTF
1 stop13h 10mAlaska Airlines
Deal found 9/25$344
This Alaska Airlines deal was found by Cheapflights users on 9/27. 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 11/116:50 pmGTF - BOS
1 stop27h 30mAlaska Airlines
Tue 11/187:00 amBOS - GTF
1 stop13h 10mAlaska Airlines
Deal found 9/27$352
This Alaska Airlines deal was found by Cheapflights users on 9/26. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/56:50 pmGTF - BOS
1 stop10h 39mAlaska Airlines
Wed 11/127:00 amBOS - GTF
1 stop13h 10mAlaska Airlines
Deal found 9/26$372
This Expedia deal was found by Cheapflights users on 9/27. 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.
Mon 11/106:50 pmGTF - BOS
1 stop10h 39mAlaska Airlines
Mon 11/177:00 amBOS - GTF
1 stop13h 10mAlaska Airlines
Deal found 9/27$392

Cheapflights Fare Finder

 
Customize your flight search to find flights from Great Falls 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, Cheapflights users made 2,558,603 searches. Data last updated September 28, 2025.
Use the filters below to find and compare flights from Great Falls to Boston that are best for you.

Fly from

Great Falls

Fly to

Boston

Route

Depart

Return

Price

Great FallsBoston

GTF - BOS

GTFBOS

Great Falls

Tue 11/4

1:08 pm-6:35 am

2 stops15h 27m

Boston Logan Intl

Tue 11/11

11:10 am-10:30 pm

2 stops13h 20m

$323

Great FallsBoston

GTF - BOS

GTFBOS

Great Falls

Wed 11/5

1:08 pm-6:35 am

2 stops15h 27m

Boston Logan Intl

Wed 11/12

7:15 am-5:30 pm

2 stops12h 15m

$323

Great FallsBoston

GTF - BOS

GTFBOS

Great Falls

Wed 11/12

6:50 pm-7:29 am

1 stop10h 39m

Boston Logan Intl

Wed 11/19

9:00 am-6:10 pm

1 stop11h 10m

$334

Great FallsBoston

GTF - BOS

GTFBOS

Great Falls

Fri 11/14

6:50 pm-12:20 am

1 stop27h 30m

Boston Logan Intl

Mon 11/17

7:00 am-6:10 pm

1 stop13h 10m

$344

Great FallsBoston

GTF - BOS

GTFBOS

Great Falls

Tue 11/11

6:50 pm-12:20 am

1 stop27h 30m

Boston Logan Intl

Tue 11/18

7:00 am-6:10 pm

1 stop13h 10m

$352

Great FallsBoston

GTF - BOS

GTFBOS

Great Falls

Wed 11/5

6:50 pm-7:29 am

1 stop10h 39m

Boston Logan Intl

Wed 11/12

7:00 am-6:10 pm

1 stop13h 10m

$372

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/27

Compare providers for flights from Great Falls to Boston

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 Great Falls to Boston in September.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
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 Great Falls-Boston flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Great Falls-Boston flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Great Falls-Boston flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Great Falls-Boston 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 Great Falls-Boston 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 Great Falls to Boston

Have a flexible travel schedule? Discover the best time to fly to Boston from Great Falls 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 Great Falls to Boston

How much does it cost to fly round-trip from Great Falls to Boston?

Reviews of airlines servicing Boston

Get insights into the airlines that provide service to Boston. 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 Boston. Reviews last updated September 28, 2025.
Get a feel of what it's like to fly with Delta and United Airlines from Great Falls to Boston by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,973 reviews

Boarding

8.2

Overall

8.0

Comfort

7.9

Food

7.3

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,973 reviews
Delta
8.0
Very good
7,973 reviews

Boarding

8.2

Overall

8.0

Comfort

7.9

Food

7.3

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,925 reviews
Delta
8.0
Very good
7,973 reviews

Boarding

8.2

Overall

8.0

Comfort

7.9

Food

7.3

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Related info for your journey

Find useful and relevant information for your journey from Great Falls to Boston. 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 Great Falls to Boston?

    Airlines like Delta and Alaska Airlines fly from Great Falls to Boston in about 10h 39m. The time it takes to get you to your destination can typically vary by up to 4h 48m. Airlines will cover a distance of 1982 mi. This flight may include one or multiple stops.

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

    Delta, at $235, was found to be the cheapest airline from Great Falls to Boston. An alternate airline flying to your destination would be United Airlines. Delta is priced at 62% lower than the current average price of a flight leaving 3 months from now.

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

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

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

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

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

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

  • What is the cheapest month to book a flight from Great Falls to Boston?

    Currently, January is the cheapest month in which you can book a flight from Great Falls to Boston (average of $218). Flying from Great Falls to Boston in July is currently the most expensive (average of $311). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Boston?

Book flights to Boston if you plan to visit one of these locations
Cambridge
Medford
Hampton Beach
Watertown
Seabrook
Seekonk
Lincoln
Lowell
Smithfield
Cranston
Chestnut Hill
Warwick
Peabody
Quincy
York Beach
Swansea
Old Orchard Beach
Brockton
Waltham
Chelsea

Browse thousands of different options on Cheapflights for your next trip

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Top 2 airlines flying from Great Falls to Boston

Discover the top 2 airlines that operate flights from Great Falls to Boston. 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 September 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$235Average$501FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$440Average$897FlexibilityNo cancel feeOn-time69%

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