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Cheap flights from Boston to Great Falls from $207

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Boston to Great Falls departing on 1/17. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Cheap round-trip flights

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Multiple Airlines Logo
3:55 pm - 9:31 pmBOS-GTF
31h 36m3 stops
Multiple Airlines Logo
9:22 pm - 11:59 pmGTF-BOS
24h 37m3 stops
$415Multiple Airlines
Find Deal
Thu, Nov 13 - Mon, Nov 17
Alaska Airlines Logo
10:00 am - 3:20 pmBOS-GTF
31h 20m1 stop
Alaska Airlines Logo
4:00 pm - 4:46 pmGTF-BOS
22h 46m1 stop
$462Alaska Airlines
Find Deal
Mon, Mar 2 - Wed, Mar 4
Delta Logo
6:35 pm - 10:53 pmBOS-GTF
30h 18m2 stops
Delta Logo
1:10 pm - 6:32 amGTF-BOS
15h 22m2 stops
$463Delta
Find Deal
Mon, Mar 2 - Wed, Mar 4
Delta Logo
6:00 am - 12:32 pmBOS-GTF
8h 32m1 stop
Delta Logo
1:10 pm - 6:32 amGTF-BOS
15h 22m2 stops
$472Delta
Find Deal
Mon, Mar 2 - Wed, Mar 4
Delta Logo
6:00 am - 12:32 pmBOS-GTF
8h 32m1 stop
Delta Logo
1:10 pm - 6:32 amGTF-BOS
15h 22m2 stops
$482Delta
Find Deal
Mon, Mar 2 - Wed, Mar 4
Delta Logo
6:35 pm - 10:53 pmBOS-GTF
30h 18m2 stops
Delta Logo
1:10 pm - 6:32 amGTF-BOS
15h 22m2 stops
$483Delta
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Mon, Mar 2 - Wed, Mar 4
United Airlines Logo
8:30 am - 10:39 pmBOS-GTF
16h 09m2 stops
United Airlines Logo
6:20 am - 12:45 amGTF-BOS
16h 25m2 stops
$596United Airlines
Find Deal
Thu, Nov 13 - Mon, Nov 17
United Airlines Logo
9:30 am - 10:39 pmBOS-GTF
15h 09m2 stops
United Airlines Logo
6:20 am - 11:39 pmGTF-BOS
15h 19m1 stop
$597United Airlines
Find Deal
Thu, Nov 13 - Mon, Nov 17
Alaska Airlines Logo
7:00 am - 6:10 pmBOS-GTF
13h 10m1 stop
Alaska Airlines Logo
6:50 pm - 7:29 amGTF-BOS
10h 39m1 stop
$603Alaska Airlines
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Thu, Nov 13 - Mon, Nov 17
United Airlines Logo
5:30 am - 10:39 pmBOS-GTF
19h 09m3 stops
United Airlines Logo
6:20 am - 12:45 amGTF-BOS
16h 25m2 stops
$1,343United Airlines
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Thu, Nov 13 - Mon, Nov 17

Delta flights from Boston to Great Falls

Our best Delta deals on Boston to Great Falls flight tickets
Delta
Mar 2
BOS6:35 pmBoston Logan Intl
30h 18m
2 stops
GTF10:53 pmGreat Falls
Mar 4
GTF1:10 pmGreat Falls
15h 22m
2 stops
BOS6:32 amBoston Logan Intl
$463
Find similar
Delta
Mar 2
BOS6:00 amBoston Logan Intl
8h 32m
1 stop
GTF12:32 pmGreat Falls
Mar 4
GTF1:10 pmGreat Falls
15h 22m
2 stops
BOS6:32 amBoston Logan Intl
$472
Find similar
Delta
Mar 2
BOS6:00 amBoston Logan Intl
8h 32m
1 stop
GTF12:32 pmGreat Falls
Mar 4
GTF1:10 pmGreat Falls
15h 22m
2 stops
BOS6:32 amBoston Logan Intl
$482
Find similar

United Airlines flights from Boston to Great Falls

Our best United Airlines deals on Boston to Great Falls flight tickets
United Airlines
Nov 13
BOS8:30 amBoston Logan Intl
16h 09m
2 stops
GTF10:39 pmGreat Falls
Nov 17
GTF6:20 amGreat Falls
16h 25m
2 stops
BOS12:45 amBoston Logan Intl
$596
Find similar
United Airlines
Nov 13
BOS9:30 amBoston Logan Intl
15h 09m
2 stops
GTF10:39 pmGreat Falls
Nov 17
GTF6:20 amGreat Falls
15h 19m
1 stop
BOS11:39 pmBoston Logan Intl
$597
Find similar
United Airlines
Nov 6
BOS7:00 amBoston Logan Intl
17h 39m
2 stops
GTF10:39 pmGreat Falls
Nov 7
GTF2:30 pmGreat Falls
23h 50m
2 stops
BOS4:20 pmBoston Logan Intl
$735
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momondo 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, momondo users made 832,500 searches. Data last updated October 30, 2025.
Use the filters below to find and compare flights from Boston to Great Falls that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

BostonGreat Falls

BOS - GTF

BOSGTF

Boston Logan Intl

Thu 11/13

3:55 pm-9:31 pm

3 stops31h 36m

Great Falls

Mon 11/17

9:22 pm-11:59 pm

3 stops24h 37m

$415

BostonGreat Falls

BOS - GTF

BOSGTF

Boston Logan Intl

Mon 3/2

10:00 am-3:20 pm

1 stop31h 20m

Great Falls

Wed 3/4

4:00 pm-4:46 pm

1 stop22h 46m

$462

BostonGreat Falls

BOS - GTF

BOSGTF

Boston Logan Intl

Mon 3/2

6:35 pm-10:53 pm

2 stops30h 18m

Great Falls

Wed 3/4

1:10 pm-6:32 am

2 stops15h 22m

$463

BostonGreat Falls

BOS - GTF

BOSGTF

Boston Logan Intl

Mon 3/2

6:00 am-12:32 pm

1 stop8h 32m

Great Falls

Wed 3/4

1:10 pm-6:32 am

2 stops15h 22m

$472

BostonGreat Falls

BOS - GTF

BOSGTF

Boston Logan Intl

Mon 3/2

6:00 am-12:32 pm

1 stop8h 32m

Great Falls

Wed 3/4

1:10 pm-6:32 am

2 stops15h 22m

$482

BostonGreat Falls

BOS - GTF

BOSGTF

Boston Logan Intl

Mon 3/2

6:35 pm-10:53 pm

2 stops30h 18m

Great Falls

Wed 3/4

1:10 pm-6:32 am

2 stops15h 22m

$483

BostonGreat Falls

BOS - GTF

BOSGTF

Boston Logan Intl

Thu 11/13

8:30 am-10:39 pm

2 stops16h 09m

Great Falls

Mon 11/17

6:20 am-12:45 am

2 stops16h 25m

$596

BostonGreat Falls

BOS - GTF

BOSGTF

Boston Logan Intl

Thu 11/13

9:30 am-10:39 pm

2 stops15h 09m

Great Falls

Mon 11/17

6:20 am-11:39 pm

1 stop15h 19m

$597

BostonGreat Falls

BOS - GTF

BOSGTF

Boston Logan Intl

Thu 11/13

7:00 am-6:10 pm

1 stop13h 10m

Great Falls

Mon 11/17

6:50 pm-7:29 am

1 stop10h 39m

$603

BostonGreat Falls

BOS - GTF

BOSGTF

Boston Logan Intl

Thu 11/13

5:30 am-10:39 pm

3 stops19h 09m

Great Falls

Mon 11/17

6:20 am-12:45 am

2 stops16h 25m

$1,343

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Great Falls from

How to get the cheapest flight ticket from Boston to Great Falls

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest day to depart on your flight to Great Falls?

The cheapest day to depart on your flight to Great Falls is on a Thursday when prices can be found for as low as $625. This is often the case because there is less demand to fly during this day of the week. On the other hand, Saturday is the most expensive day to depart from Boston because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $772.

What is the cheapest time of day to depart on your flight to Great Falls?

According to our data, the cheapest time of day to fly to Great Falls is in the morning. momondo users have found flights departing from Boston to Great Falls in the morning for as low as $722. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. If you have a flexible travel schedule, then try to avoid flying in the afternoon when prices are $725 on average. Flights to Great Falls from Boston in the afternoon are generally more expensive because this time of day is more convenient for travelers’ schedules.

When to book flights from Boston to Great Falls

Are you open to changing your travel dates? Check out the ideal times to fly from Boston to Great Falls according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Boston to Great Falls (BOS to GTF) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Boston to Great Falls

Direct flights

None
There are no direct flights from Boston to Great Falls. There are no popular flight routes from Boston to Great Falls.
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  • How far is Boston Logan Intl to Great Falls by plane?

    The distance between Boston Logan Intl and Great Falls is about 1976.0 mi. Typically, this will take 8h 32m by plane in normal conditions.

  • When did momondo last update prices for flights from Boston Logan Intl Airport to Great Falls Airport?

    Prices for flights from Boston Logan Intl Airport to Great Falls Airport were last updated today.

  • How many operators does momondo search for flights from Boston Logan Intl Airport to Great Falls Airport?

  • How old do you have to be to fly from Boston Logan Intl Airport to Great Falls Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Boston Logan Intl Airport to Great Falls Airport.

  • What documentation or ID do you need to fly to Great Falls Airport?

    The required travel and health documents for your Great Falls Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Great Falls Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular airline from Boston to Great Falls?

Best airlines flying from Boston to Great Falls

Compare and see reviews for airlines that fly from Boston to Great Falls with momondo
Airline
Rating
Free Cancellation
Price
DeltaPriceFrom $304Free CancellationRating
7.9
7,998 reviews
Search Delta flights
United AirlinesPriceFrom $410Free CancellationRating
7.4
8,998 reviews
Search United Airlines flights

Traveling to a place near Great Falls?

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

Why use momondo?

Why should I use momondo to find a flight deal from Boston to Great Falls?

It is quick and easy to find Boston to Great Falls flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Great Falls that suits you.

Can I find flights from Boston to Great Falls with flexible booking policies on momondo?

All flight searches from Boston to Great Falls on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Boston to Great Falls?

momondo helps you find the best flight between Boston and Great Falls by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Boston to Great Falls right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Great Falls, momondo offers a useful price alert feature which will track prices for flights to Great Falls from Boston and alert you when they change.

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