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$199+ 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 9/1. Fares are subject to change and may not be available on all flights or dates of travel.
GTF — BOS
Sep 11 — Sep 181
Fri 9/11
Fri 9/18
1 adult, Economy
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Cheap 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 12, 2026.

This Delta deal was found by Cheapflights users on 8/7. 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 12/16:25 pm -
1 stop9h 55m
Sat 12/56:05 am -
1 stop8h 26m
Deal found 8/7$398
This Alaska Airlines deal was found by Cheapflights users on 8/11. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/144:59 pm -
1 stop10h 41m
Tue 11/177:13 am -
1 stop11h 06m
Deal found 8/11$418
This Delta deal was found by Cheapflights users on 8/10. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/256:18 pm -
1 stop10h 12m
Sat 8/2911:05 am -
1 stop8h 33m
Deal found 8/10$438
This United Airlines deal was found by Cheapflights users on 8/10. 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.
Tue 8/256:15 am -
2 stops13h 44m
Sat 8/297:45 am -
1 stop7h 44m
Deal found 8/10$444
This United Airlines deal was found by Cheapflights users on 8/11. 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 9/56:15 am -
2 stops11h 04m
Fri 9/1110:38 am -
2 stops12h 34m
Deal found 8/11$447
This United Airlines deal was found by Cheapflights users on 8/8. 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 8/216:15 am -
2 stops13h 44m
Tue 8/253:10 pm -
1 stop8h 02m
Deal found 8/8$499

Find 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 12, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$398
(Delta)

One-way from

$199
(United Airlines)

Popular in

July

Cheapest in

September

Average price

$768
Provider with most accurate pricing for Great Falls-Boston Logan Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Great Falls-Boston Logan Intl flights.
Search Deals
From Great Falls to Boston Logan Intl
Search Deals
One-way flight from Great Falls to Boston Logan Intl
Search Deals
Highest demand for flights based on searches. 25% potential increase in price ($232 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 7% potential price decrease ($45 potential savings vs. average RT price).
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Average for round-trip flights in August 2026
Search Deals

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 12, 2026.
Use the filters below to find and compare flights from Great Falls to Boston that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Great FallsBoston

GTF Great Falls - BOS Boston Logan Intl

GTFBOS

Great Falls

Sat 9/5

2:25 pm-11:50 pm

1 stop7h 25m

Boston Logan Intl

Fri 9/11

8:00 am-9:12 pm

2 stops15h 12m

$404
Quickest round-trip

Great FallsBoston

GTF Great Falls - BOS Boston Logan Intl

GTFBOS

Great Falls

Tue 8/25

6:18 pm-6:30 am

1 stop10h 12m

Boston Logan Intl

Sat 8/29

11:05 am-5:38 pm

1 stop8h 33m

$438

Great FallsBoston

GTF Great Falls - BOS Boston Logan Intl

GTFBOS

Great Falls

Tue 8/25

6:15 am-9:59 pm

2 stops13h 44m

Boston Logan Intl

Sat 8/29

7:45 am-1:29 pm

1 stop7h 44m

$444

Great FallsBoston

GTF Great Falls - BOS Boston Logan Intl

GTFBOS

Great Falls

Sat 11/14

4:57 pm-5:41 am

1 stop10h 44m

Boston Logan Intl

Tue 11/17

4:30 pm-4:17 pm

2 stops25h 47m

$456

Great FallsBoston

GTF Great Falls - BOS Boston Logan Intl

GTFBOS

Great Falls

Sat 11/14

6:30 am-6:57 pm

2 stops10h 27m

Boston Logan Intl

Tue 11/17

11:55 am-9:38 pm

2 stops11h 43m

$509
Cheapest one-way
Quickest one-way

Great FallsBoston

GTF Great Falls - BOS Boston Logan Intl

GTFBOS

Great Falls

Tue 9/1

2:25 pm-11:54 pm

1 stop7h 29m

$199

Great FallsBoston

GTF Great Falls - BOS Boston Logan Intl

GTFBOS

Great Falls

Mon 8/31

6:15 am-9:59 pm

2 stops13h 44m

$244

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/8

Sorted by cheapest first

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 August.
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 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.

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 United Airlines, Delta, and Alaska Airlines fly from Great Falls to Boston in about 7h 25m. The time it takes to get you to your destination can typically vary by up to 3h 19m. Airlines will cover a distance of 1982 mi. This flight may include one or multiple stops.

  • 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.

See more FAQs

Traveling to a place near Boston?

Book flights to Boston if you plan to visit one of these locations
Waltham
Randolph
Cambridge
Concord
Brockton
Seekonk
Cranston
Dedham
Warwick
Peabody
Auburn
Chelsea
York Beach
Londonderry
Swansea
Revere
Fitchburg
North Falmouth
Braintree
Sandwich

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