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$164+ Cheap flights from Great Falls to Boston (GTF - BOS)

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 10/17. Fares are subject to change and may not be available on all flights or dates of travel.
GTF — BOS
Aug 19 — Aug 261
Tue 8/19
Tue 8/26
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 August 14, 2025.

Round-trip from

$529
(United Airlines)

One-way from

$164
(Mytrip)

Popular in

April

Cheapest in

October

Average price

$543
From Great Falls to Boston Logan Intl
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One-way flight from Great Falls to Boston Logan Intl
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Highest demand for flights based on searches. 17% potential increase in price ($133 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($35 potential savings vs. average RT price).
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Average for round-trip flights in August 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 August 14, 2025.

This United Airlines deal was found by Cheapflights users on 8/13. 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 9/42:35 pmGTF - BOS
2 stops17h 21mUnited Airlines
Sun 9/77:30 amBOS - GTF
1 stop8h 07mUnited Airlines
Deal found 8/13$529
This United Airlines deal was found by Cheapflights users on 8/14. 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 9/102:35 pmGTF - BOS
2 stops17h 21mUnited Airlines
Mon 9/158:27 pmBOS - GTF
2 stops19h 10mUnited Airlines
Deal found 8/14$532
This United Airlines deal was found by Cheapflights users on 8/13. 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.
Fri 10/32:31 pmGTF - BOS
2 stops17h 25mUnited Airlines
Mon 10/68:47 pmBOS - GTF
2 stops18h 39mUnited Airlines
Deal found 8/13$546

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 August 14, 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

Thu 9/4

2:35 pm-9:56 am

2 stops17h 21m

Boston Logan Intl

Sun 9/7

7:30 am-1:37 pm

1 stop8h 07m

$529

Great FallsBoston

GTF - BOS

GTFBOS

Great Falls

Wed 9/10

2:35 pm-9:56 am

2 stops17h 21m

Boston Logan Intl

Mon 9/15

8:27 pm-1:37 pm

2 stops19h 10m

$532

Great FallsBoston

GTF - BOS

GTFBOS

Great Falls

Fri 10/3

2:31 pm-9:56 am

2 stops17h 25m

Boston Logan Intl

Mon 10/6

8:47 pm-1:26 pm

2 stops18h 39m

$546

Great FallsBoston

GTF - BOS

GTFBOS

Great Falls

Fri 10/17

10:27 pm-10:52 pm

2 stops22h 25m

$164

Great FallsBoston

GTF - BOS

GTFBOS

Great Falls

Fri 10/17

6:15 pm-11:59 pm

1 stop27h 44m

$233

Great FallsBoston

GTF - BOS

GTFBOS

Great Falls

Tue 9/2

2:35 pm-12:48 pm

2 stops20h 13m

$259

Great FallsBoston

GTF - BOS

GTFBOS

Great Falls

Sun 8/31

6:00 am-5:23 pm

1 stop9h 23m

$330

Great FallsBoston

GTF - BOS

GTFBOS

Great Falls

Tue 9/2

6:00 am-5:24 pm

1 stop9h 24m

$349

Great FallsBoston

GTF - BOS

GTFBOS

Great Falls

Tue 8/26

2:35 pm-12:48 pm

2 stops20h 13m

$393

Great FallsBoston

GTF - BOS

GTFBOS

Great Falls

Tue 8/26

6:00 am-2:13 pm

1 stop6h 13m

$454

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/14

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.

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 August 14, 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
7,980 reviews

Boarding

8.2

Entertainment

7.9

Overall

8.0

Comfort

7.9

Food

7.3

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
7,980 reviews
Delta
8.0
Very good
7,980 reviews

Boarding

8.2

Entertainment

7.9

Overall

8.0

Comfort

7.9

Food

7.3

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
8,916 reviews
Delta
8.0
Very good
7,980 reviews

Boarding

8.2

Entertainment

7.9

Overall

8.0

Comfort

7.9

Food

7.3

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.

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

    Delta, at $355, 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 45% 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
Watertown
Hampton Beach
Waltham
Seabrook
Lowell
Lincoln
Smithfield
Cranston
Chestnut Hill
Warwick
Peabody
Quincy
York Beach
Chelsea
Swansea
Saugus
Burlington
Braintree

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 August 14, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$355Average$501FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$557Average$897FlexibilityNo cancel feeOn-time69%

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