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$256+ 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 8/17. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — GTF
Aug 3 — Aug 101
Sun 8/3
Sun 8/10
1 adult, Economy
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Cheap 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 July 29, 2025.

Round-trip from

$419
(Alaska Airlines)

One-way from

$256
(United Airlines)

Popular in

November

Cheapest in

January

Average price

$579
From Boston Logan Intl to Great Falls
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One-way flight from Boston Logan Intl to Great Falls
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Highest demand for flights based on searches. 3% potential increase in price ($19 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($23 potential savings vs. average RT price).
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Average for round-trip flights in July 2025
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Find 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 July 29, 2025.

This Alaska Airlines deal was found by Cheapflights users on 7/28. 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 9/97:20 amBOS - GTF
1 stop10h 29mAlaska Airlines
Mon 9/154:29 pmGTF - BOS
1 stop29h 58mAlaska Airlines
Deal found 7/28$419
This United Airlines deal was found by Cheapflights users on 7/26. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/166:07 amBOS - GTF
1 stop7h 22mUnited Airlines
Sat 8/237:00 amGTF - BOS
2 stops14h 08mUnited Airlines
Deal found 7/26$550
This Delta deal was found by Cheapflights users on 7/28. 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 12/225:35 amBOS - GTF
2 stops14h 08mDelta
Sat 12/276:20 pmGTF - BOS
1 stop10h 21mDelta
Deal found 7/28$593
This Mytrip deal was found by Cheapflights users on 7/28. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/106:15 amBOS - GTF
3 stops17h 22mMultiple Airlines
Sun 10/191:05 pmGTF - BOS
2 stops19h 36mMultiple Airlines
Deal found 7/28$890

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 July 29, 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

Tue 9/9

7:20 am-3:49 pm

1 stop10h 29m

Great Falls

Mon 9/15

4:29 pm-12:27 am

1 stop29h 58m

$419

BostonGreat Falls

BOS - GTF

BOSGTF

Boston Logan Intl

Sat 8/16

6:07 am-11:29 am

1 stop7h 22m

Great Falls

Sat 8/23

7:00 am-11:08 pm

2 stops14h 08m

$550

BostonGreat Falls

BOS - GTF

BOSGTF

Boston Logan Intl

Mon 12/22

5:35 am-5:43 pm

2 stops14h 08m

Great Falls

Sat 12/27

6:20 pm-6:41 am

1 stop10h 21m

$593

BostonGreat Falls

BOS - GTF

BOSGTF

Boston Logan Intl

Fri 10/10

6:15 am-9:37 pm

3 stops17h 22m

Great Falls

Sun 10/19

1:05 pm-10:41 am

2 stops19h 36m

$890

BostonGreat Falls

BOS - GTF

BOSGTF

Boston Logan Intl

Sun 8/17

1:20 pm-9:13 pm

1 stop9h 53m

$256

BostonGreat Falls

BOS - GTF

BOSGTF

Boston Logan Intl

Sun 8/17

3:25 pm-10:21 am

2 stops20h 56m

$283

BostonGreat Falls

BOS - GTF

BOSGTF

Boston Logan Intl

Sat 8/16

12:00 pm-8:32 pm

2 stops10h 32m

$340

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/26

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 July 29, 2025.

It’s typically best to fly out from Boston to Great Falls in the morning. Doing so could potentially save you 1% on the flight price compared to flying at noon, 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 July 29, 2025.
See what other customers who have flown with Alaska Airlines, 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.
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Overall

8.0

Entertainment

7.1

Comfort

7.8

Crew

8.5

Food

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Overall

8.0

Entertainment

7.1

Comfort

7.8

Crew

8.5

Food

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Delta
8.0
Very good
7,977 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Overall

8.0

Entertainment

7.1

Comfort

7.8

Crew

8.5

Food

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
United Airlines
7.4
Good
8,899 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Overall

8.0

Entertainment

7.1

Comfort

7.8

Crew

8.5

Food

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.

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.

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

    Currently priced at $419, Alaska Airlines will fly you from Boston to Great Falls and back. In addition to Alaska Airlines, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from United Airlines and Delta - these airlines can fly you to your destination from $550 and $593, respectively. These flights start at 28% 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.

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

    Currently, January is the cheapest month in which you can book a flight from Boston to Great Falls (average of $367). Flying from Boston to Great Falls in July is currently the most expensive (average of $574). 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 Great Falls?

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

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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 July 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$304Average$543FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$410Average$596FlexibilityNo cancel feeOn-time69%

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