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Cheap flights from Boston to Great Falls from $234

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 11/6. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Find the cheapest flights from Boston to Great Falls

Cheap round-trip flights

Delta Logo
3:18 pm - 8:34 pmBOS-GTF
7h 16m1 stop
Delta Logo
6:11 pm - 6:25 amGTF-BOS
10h 14m1 stop
$316Delta
Find Deal
Sat, Sep 6 - Sat, Sep 13
Delta Logo
9:00 am - 5:26 pmBOS-GTF
10h 26m2 stops
Delta Logo
6:11 pm - 6:25 amGTF-BOS
10h 14m1 stop
$326Delta
Find Deal
Sat, Sep 6 - Sat, Sep 13
Delta Logo
8:10 am - 5:26 pmBOS-GTF
11h 16m2 stops
Delta Logo
6:11 pm - 9:35 amGTF-BOS
13h 24m2 stops
$331Delta
Find Deal
Sat, Sep 6 - Sat, Sep 13
Alaska Airlines Logo
6:55 pm - 3:49 pmBOS-GTF
22h 54m1 stop
Alaska Airlines Logo
4:29 pm - 6:25 amGTF-BOS
35h 56m2 stops
$449Alaska Airlines
Find Deal
Fri, Sep 12 - Sat, Sep 20
Alaska Airlines Logo
8:23 pm - 3:49 pmBOS-GTF
21h 26m2 stops
Alaska Airlines Logo
4:29 pm - 6:25 amGTF-BOS
35h 56m2 stops
$454Alaska Airlines
Find Deal
Fri, Sep 12 - Sat, Sep 20
Alaska Airlines Logo
6:55 pm - 3:49 pmBOS-GTF
22h 54m1 stop
Alaska Airlines Logo
4:29 pm - 3:00 pmGTF-BOS
20h 31m2 stops
$459Alaska Airlines
Find Deal
Fri, Sep 12 - Sat, Sep 20
Alaska Airlines Logo
9:20 am - 3:49 pmBOS-GTF
8h 29m1 stop
Alaska Airlines Logo
4:29 pm - 6:25 amGTF-BOS
35h 56m2 stops
$461Alaska Airlines
Find Deal
Fri, Sep 12 - Sat, Sep 20
United Airlines Logo
6:10 am - 9:28 pmBOS-GTF
17h 18m2 stops
United Airlines Logo
2:35 pm - 11:46 pmGTF-BOS
7h 11m1 stop
$478United Airlines
Find Deal
Tue, Aug 19 - Tue, Aug 26
United Airlines Logo
5:05 pm - 9:28 pmBOS-GTF
30h 23m1 stop
United Airlines Logo
2:35 pm - 11:46 pmGTF-BOS
7h 11m1 stop
$523United Airlines
Find Deal
Tue, Aug 19 - Tue, Aug 26
Logo
6:15 am - 9:37 pmBOS-GTF
17h 22m3 stops
Logo
1:05 pm - 10:41 amGTF-BOS
19h 36m2 stops
$890
Find Deal
Fri, Oct 10 - Sun, Oct 19

Alaska Airlines flights from Boston to Great Falls

Our best Alaska Airlines deals on Boston to Great Falls flight tickets
Alaska Airlines
Sep 12
BOS6:55 pmBoston Logan Intl
22h 54m
1 stop
GTF3:49 pmGreat Falls
Sep 20
GTF4:29 pmGreat Falls
35h 56m
2 stops
BOS6:25 amBoston Logan Intl
$449
Find similar
Alaska Airlines
Sep 12
BOS8:23 pmBoston Logan Intl
21h 26m
2 stops
GTF3:49 pmGreat Falls
Sep 20
GTF4:29 pmGreat Falls
35h 56m
2 stops
BOS6:25 amBoston Logan Intl
$454
Find similar
Alaska Airlines
Sep 12
BOS6:55 pmBoston Logan Intl
22h 54m
1 stop
GTF3:49 pmGreat Falls
Sep 20
GTF4:29 pmGreat Falls
20h 31m
2 stops
BOS3:00 pmBoston Logan Intl
$459
Find similar

Delta flights from Boston to Great Falls

Our best Delta deals on Boston to Great Falls flight tickets
Delta
Sep 6
BOS3:18 pmBoston Logan Intl
7h 16m
1 stop
GTF8:34 pmGreat Falls
Sep 13
GTF6:11 pmGreat Falls
10h 14m
1 stop
BOS6:25 amBoston Logan Intl
$316
Find similar
Delta
Sep 6
BOS9:00 amBoston Logan Intl
10h 26m
2 stops
GTF5:26 pmGreat Falls
Sep 13
GTF6:11 pmGreat Falls
10h 14m
1 stop
BOS6:25 amBoston Logan Intl
$326
Find similar
Delta
Sep 6
BOS8:10 amBoston Logan Intl
11h 16m
2 stops
GTF5:26 pmGreat Falls
Sep 13
GTF6:11 pmGreat Falls
13h 24m
2 stops
BOS9:35 amBoston Logan Intl
$331
Find similar

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 July 31, 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

Sat 9/6

3:18 pm-8:34 pm

1 stop7h 16m

Great Falls

Sat 9/13

6:11 pm-6:25 am

1 stop10h 14m

$316

BostonGreat Falls

BOS - GTF

BOSGTF

Boston Logan Intl

Sat 9/6

9:00 am-5:26 pm

2 stops10h 26m

Great Falls

Sat 9/13

6:11 pm-6:25 am

1 stop10h 14m

$326

BostonGreat Falls

BOS - GTF

BOSGTF

Boston Logan Intl

Sat 9/6

8:10 am-5:26 pm

2 stops11h 16m

Great Falls

Sat 9/13

6:11 pm-9:35 am

2 stops13h 24m

$331

BostonGreat Falls

BOS - GTF

BOSGTF

Boston Logan Intl

Fri 9/12

6:55 pm-3:49 pm

1 stop22h 54m

Great Falls

Sat 9/20

4:29 pm-6:25 am

2 stops35h 56m

$449

BostonGreat Falls

BOS - GTF

BOSGTF

Boston Logan Intl

Fri 9/12

8:23 pm-3:49 pm

2 stops21h 26m

Great Falls

Sat 9/20

4:29 pm-6:25 am

2 stops35h 56m

$454

BostonGreat Falls

BOS - GTF

BOSGTF

Boston Logan Intl

Fri 9/12

6:55 pm-3:49 pm

1 stop22h 54m

Great Falls

Sat 9/20

4:29 pm-3:00 pm

2 stops20h 31m

$459

BostonGreat Falls

BOS - GTF

BOSGTF

Boston Logan Intl

Fri 9/12

9:20 am-3:49 pm

1 stop8h 29m

Great Falls

Sat 9/20

4:29 pm-6:25 am

2 stops35h 56m

$461

BostonGreat Falls

BOS - GTF

BOSGTF

Boston Logan Intl

Tue 8/19

6:10 am-9:28 pm

2 stops17h 18m

Great Falls

Tue 8/26

2:35 pm-11:46 pm

1 stop7h 11m

$478

BostonGreat Falls

BOS - GTF

BOSGTF

Boston Logan Intl

Tue 8/19

5:05 pm-9:28 pm

1 stop30h 23m

Great Falls

Tue 8/26

2:35 pm-11:46 pm

1 stop7h 11m

$523

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

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

Best Price Found

$234

Fastest flight time

7h 16m

Direct flights

None

Airports in Great Falls

1 airport
The best one-way flight to Great Falls from Boston in the past 72 hours is $234. The best round-trip flight deal from Boston to Great Falls found on momondo in the last 72 hours is $316.
The fastest flight from Boston to Great Falls takes 7h 16m
There are no direct flights from Boston to Great Falls. Popular non-direct route for this connection is Boston Logan Intl Airport - Great Falls Airport.
There is 1 airport near Great Falls: Great Falls (GTF)
Search flight deals

  • 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 7h 16m 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
8.0
7,981 reviews
Search Delta flights
United AirlinesPriceFrom $410Free CancellationRating
7.4
8,900 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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