$270 Cheap United flights from Boston to Great Falls (BOS to GTF)

Find The Best Day To Fly from Boston to Great Falls

Amazing United BOS to GTF Flight Deals

The cheapest flights to Great Falls Intl. found within the past 7 days were $727 round trip and $270 one way. Prices and availability subject to change. Additional terms may apply.

Mon, Jun 1 - Thu, Jun 18
BOS
Boston
GTF
Great Falls
$727 Roundtrip, found 6 hours ago
$727
Roundtrip
found 6 hours ago
Select United flight, departing Mon, Jun 1 from Boston to Great Falls, returning Thu, Jun 18, priced at $727 found 6 hours ago

Frequently asked questions

Can I catch a flight from BOS to GTF right now?
For any current Great Falls Intl. Airport quarantine requirements and travel advice, go to the Covid-19 Travel Advisor. Check before you book your flight, so you don't get caught up en route.
What terminal is United Airlines at BOS?
Your ticket should be able to tell you which terminal your United Airlines flight will be boarding from at BOS. It might also be able to give you the arrival details for Great Falls Intl. Airport (GTF). If not, you might like to ask your airline before you fly.
Are there United Airlines non-stop flights from BOS to GTF?
You won't be able to fly direct between Logan Intl. Airport (BOS) and Great Falls Intl. Airport (GTF) with United Airlines. Get ready to make a stopover if you need to travel on this particular route and airline.
How long is a United Airlines flight from BOS to GTF?
Throw that book in your carry-on you haven't had time to read. A flight from Logan Intl. Airport to GTF with United Airlines takes about 7 hours and 1 minute. You'll have sufficient time to get swept up in the gripping storyline.
How many direct and indirect flights does United Airlines fly from BOS to GTF?
If you need to lock in a trip from BOS to GTF, you can choose from about 2 United Airlines flights daily.
If I am not able to travel due to COVID-19, can I change my booking to a later date?
For more info about changing your flight to Great Falls Intl. Airport (GTF), please visit our Customer Service Portal.
What is the best day to buy a plane ticket?
This just in! Airfares offered on Thursdays tend to be the cheapest, according to flight demand on Travelocity in 2021. Tuesday and Wednesday prices are also good, but you may want to prepare your budget if booking during the weekend, as data shows that is when prices are generally at their highest.
What are the cheapest days to fly?
Frequent travelers may already know this, but earlier in the week can be the cheapest time to fly. In 2021, flights departing on a Monday were generally the cheapest of the week, whereas you may pay a premium for weekend flights when demand is usually high. On average, tickets were most expensive for Saturday departures, so if you need to fly out on a weekend, you might look for deals ahead of time.
How far in advance can you book a flight?
Trying to figure out how early you should book your flight? It's possible to start comparing international airfares on Travelocity up to 12 months in advance. However, it does depend on the carrier as not all airlines release their prices that far out. According to our 2021 flight demand trends, last minute planners can still bag a bargain with some of the cheapest fares appearing 0-2 weeks prior to their travel dates.*According to flight demand on Travelocity.com from January to December 2021. Savings are subject to change based on departure location, date and destination.

Discover our best United flight from Boston BOS to Great Falls GTF 

To find the best deals on flights to Boston from Great Falls with United, just enter your travel dates, filter by United, and hit search. You’ll find flights to choose from and can sort by price, flight duration, and arrival or departure time.  

 

Return flights from Boston BOS to Great Falls GTF with United 

If you’re planning a round trip, booking return flights with United is usually the most cost-effective option. With airfares ranging from $727 to $727, it’s easy to find a flight that suits your budget. Prices and availability subject to change. Additional terms may apply. 

 

Book one-way United flights from Boston BOS to Great Falls GTF 

A one-way ticket gives you much greater flexibility—allowing you to choose your return date, destination, and time whenever you’re ready. By booking in advance you can find great deals on one-way tickets too. Right now, a one-way United flight from Boston to Great Falls costs from $270. Prices and availability subject to change. Additional terms may apply. 

 

The easy way to find cheap flights to Great Falls GTF from  Boston BOS with United 

To find a cheap United flight from Boston BOS to Great Falls GTF, sort your search results by price or filter by budget. Thanks to Travelocity’s Price Match Promise, if you find a better airfare deal anywhere else within 24 hours, we’ll credit or refund the difference. 

 

How to find our best airfare deals on United flights from Boston BOS to Great Falls GTF 

If you’re looking for cheap flights, it helps to be flexible when it comes to your travel dates. You’ll usually find lower cost tickets when you travel during quieter months such as June, or if you book a flight with a stopover. 

 

Find nonstop flights from Boston BOS to Great Falls GTF with United 

If you’re keen to be on Great Falls soil fast, don’t waste time with a stopover—filter your search results to show direct United flights only. The journey takes around hour(s) min(s) – so you’ll be there before you know it. 

 

Flexible airline tickets for United flights from Boston BOS to Great Falls GTF 

Make sure you’re not out of pocket if plans change by choosing a flexible ticket with penalty-free amendment and cancellation options. Use our ‘no change fee’ filter to see which flights have this option.  

 

There are a lot of reasons to book your flights to Great Falls GTF from  Boston BOS with United on Travelocity 

At Travelocity our vast and up-to-the-minute inventory puts all of our best flight deals in one place. So, whether you’re traveling on business or jetting off with friends and family, you can trust Travelocity to get you there.

United Airports
Hop on a(n) United flight today by flying to many destinations out of these domestic and international airports:
Airport code
Country
Airport name
Number of flights
ORDUSAO'Hare Intl.227
DENUSADenver Intl.226
IAHUSAGeorge Bush Intercontinental136
IADUSAWashington Dulles Intl.100
SFOUSASan Francisco Intl.64
LAXUSALos Angeles Intl.23
EWRUSALiberty Intl.20
FRADEUFrankfurt Intl.19
NRTJPNNarita Intl.19
PEKCHNCapital Intl.16

Travelers ❤️ these 🏨 after their flight to Great Falls

Heritage Inn

Heritage Inn

2.5 out of 5
1700 Fox Farm Road Great Falls MT
This smoke-free hotel features a casino, a nightclub, and a restaurant. Enjoy the indoor pool and free perks like continental breakfast and free self parking. ...
8/10 Very Good! (2,350 reviews)
The room as good. Staff was pleasant

Reviewed on Feb 21, 2026

Heritage Inn
Holiday Inn Express Hotel & Suites Great Falls by IHG

Holiday Inn Express Hotel & Suites Great Falls by IHG

2.5 out of 5
1625 Market Place Dr Great Falls MT
This hotel features an indoor pool and a 24-hour gym. Traveling on business? Take advantage of the business center and free WiFi in public areas. Enjoy the hot ...
8/10 Very Good! (479 reviews)
Staff was friendly, room was clean, except the tub, beds, we’re uncomfortable very firm, the hot tub was not very hot, when the bubble's finally came on they were very dirty, Water slide only open on weekends, breakfast was good whatever was there, they didn’t refill when something was out after ...

Reviewed on Feb 19, 2026

Holiday Inn Express Hotel & Suites Great Falls by IHG
Crystal Inn Hotel & Suites Great Falls

Crystal Inn Hotel & Suites Great Falls

2.5 out of 5
3701 31st St SW Great Falls MT
This hotel features an indoor pool and a gym. Traveling on business? Take advantage of the 24-hour business center, free WiFi in public areas, and free airport ...
9.2/10 Wonderful! (1,008 reviews)
Room was clean and continental breakfast had good variety. Had to wait for someone to come to the front desk at check-in and check-out, but this was only a minor inconvenience.

Reviewed on Feb 20, 2026

Crystal Inn Hotel & Suites Great Falls
Lowest nightly price found within the past 24 hours based on a 1 night stay for 2 adults. Prices and availability subject to change. Additional terms may apply.
*Price based on the lowest price found within past 24 hours and based upon one night stay for two adults over the next thirty days. Prices and availability subject to change. Additional terms may apply.