$175 Cheap Flights from Great Falls (GTF) to Boston (BOS)

View $175 flight on Sat, Jun 14, 2025Opens in a new window

Popular airlines from Great Falls, MT (GTF-Great Falls Intl.) to Logan International Airport (BOS)

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Find available prices by choosing your travel dates.

Cheap Flights from Great Falls to Boston (GTF-BOS)

Prices were available within the past 7 days and start at $175 for one-way flights and $350 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Tue, May 20 - Tue, Jun 3
GTF
Great Falls
BOS
Boston
$350 Roundtrip, found 18 hours ago
$350
Roundtrip
found 18 hours ago
Select Delta flight, departing Tue, May 20 from Great Falls to Boston, returning Tue, Jun 3, priced at $350 found 18 hours ago
United
Tue, Jun 3 - Tue, Jun 17
GTF
Great Falls
BOS
Boston
$356 Roundtrip, found 23 hours ago
$356
Roundtrip
found 23 hours ago
Select United flight, departing Tue, Jun 3 from Great Falls to Boston, returning Tue, Jun 17, priced at $356 found 23 hours ago
United
Tue, Jun 3 - Tue, Jun 17
GTF
Great Falls
BOS
Boston
$361 Roundtrip, found 23 hours ago
$361
Roundtrip
found 23 hours ago
Select United flight, departing Tue, Jun 3 from Great Falls to Boston, returning Tue, Jun 17, priced at $361 found 23 hours ago
Delta
Tue, Jun 3 - Tue, Jun 17
GTF
Great Falls
BOS
Boston
$361 Roundtrip, found 23 hours ago
$361
Roundtrip
found 23 hours ago
Select Delta flight, departing Tue, Jun 3 from Great Falls to Boston, returning Tue, Jun 17, priced at $361 found 23 hours ago
Alaska Airlines
Tue, May 20 - Wed, Jun 4
GTF
Great Falls
BOS
Boston
$371 Roundtrip, found 18 hours ago
$371
Roundtrip
found 18 hours ago
Select Alaska Airlines flight, departing Tue, May 20 from Great Falls to Boston, returning Wed, Jun 4, priced at $371 found 18 hours ago
Delta
Wed, May 28 - Wed, Jun 4
GTF
Great Falls
BOS
Boston
$377 Roundtrip, found 2 days ago
$377
Roundtrip
found 2 days ago
Select Delta flight, departing Wed, May 28 from Great Falls to Boston, returning Wed, Jun 4, priced at $377 found 2 days ago
Delta
Sun, May 25 - Tue, Jun 3
GTF
Great Falls
BOS
Boston
$380 Roundtrip, found 18 hours ago
$380
Roundtrip
found 18 hours ago
Select Delta flight, departing Sun, May 25 from Great Falls to Boston, returning Tue, Jun 3, priced at $380 found 18 hours ago
Delta
Fri, May 30 - Sat, Jun 7
GTF
Great Falls
BOS
Boston
$386 Roundtrip, found 7 hours ago
$386
Roundtrip
found 7 hours ago
Select Delta flight, departing Fri, May 30 from Great Falls to Boston, returning Sat, Jun 7, priced at $386 found 7 hours ago
Hawaiian Airlines
Fri, May 16 - Wed, May 28
GTF
Great Falls
BOS
Boston
$391 Roundtrip, found 4 days ago
$391
Roundtrip
found 4 days ago
Select Hawaiian Airlines flight, departing Fri, May 16 from Great Falls to Boston, returning Wed, May 28, priced at $391 found 4 days ago
Delta
Fri, May 23 - Tue, Jun 3
GTF
Great Falls
BOS
Boston
$395 Roundtrip, found 18 hours ago
$395
Roundtrip
found 18 hours ago
Select Delta flight, departing Fri, May 23 from Great Falls to Boston, returning Tue, Jun 3, priced at $395 found 18 hours ago

Great Falls to Boston Flights

The cheapest times to fly from Great Falls to Boston

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Great Falls to Boston are during the month of May. You can find some of the cheapest flights from Great Falls to Boston with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Great Falls to Boston

Sunday is one of the best days to book for cheap flights from Great Falls to Boston: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Great Falls to Boston

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Great Falls to Boston in 2025. You can also book with separate airlines for your outbound and return journeys, from $175 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Great Falls to Boston flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Great Falls to Boston airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from Great Falls Intl. Airport (GTF) to Logan Intl. Airport (BOS) cost?
Discover the latest flight deals from GTF to BOS by entering your preferred travel dates and searching on Expedia. Easily compare prices by departure date if you have flexibility with your schedule and use handy filters to explore prices for your preferred journey. As a member of One Key™, our free loyalty program, you can use Price Tracking to watch fares and receive notifications if prices go up or down.
What is the cheapest month to fly from GTF to BOS?
The cheapest flights from GTF to BOS are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
What is the cheapest airline that flies from GTF to BOS?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that’ll take you from GTF to BOS. Sort your results by “Price (lowest to highest)” to snap up a great deal.
How many flights per day from Great Falls Intl. Airport (GTF) to Logan Intl. Airport (BOS)?
There aren’t any daily direct flights from Great Falls Intl. Airport (GTF) to Logan Intl. Airport (BOS). But you can choose flights with layovers. Filter your search on Expedia to include one or two stops, and you’ll be cruising above the clouds in no time at all.
What day of the week has the most flights from GTF to BOS?
You’ll usually find Tuesday the quietest day for flights, while Fridays tend to be the busiest.* However this can vary from season to season and during peak travel times or public holidays.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Great Falls Intl. Airport (GTF) to Logan Intl. Airport (BOS)?
To arrive at Logan Intl. Airport (BOS) without delays, opt for a flight that leaves from Great Falls Intl. Airport (GTF) before 3 PM. The chance of cancellations is 22% higher, on average, for departures after this time.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG’s global flight data platform.
Is it cheaper to buy a plane ticket from Great Falls Intl. Airport (GTF) to Logan Intl. Airport (BOS) last-minute?
Last-minute bookings from GTF to BOS are generally more expensive. For the lowest rates, start searching for flights as early as possible. That being said, if you’re flexible with your travel plans, you may land a cheap fare right before your journey.
Is it cheaper to book a GTF to BOS flight and hotel package?
Compared with arranging flights and hotels separately, booking a GTF to BOS flight and hotel package with Expedia could lead to significant savings. Better still, having it all in one place will take the hassle out of planning your trip. Simply secure your flights and choose from our wide range of hotels, then tailor your trip with extras like activities, tours and car rentals.
Can I cancel or change the date of my flight from Great Falls Intl. Airport (GTF) to Logan Intl. Airport (BOS)?
It’s usually possible to cancel or reschedule your GTF to BOS flight. However, if the booking was made more than 24 hours ago, additional fees may apply. Check your airline’s policies in your itinerary to see what changes are possible and if any costs are involved. You’ll also find more information on our Customer Service portal.

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*Available to One Key members.