What is the cheapest airline that flies from Boston Logan Intl to Great Falls?

Delta, Alaska Airlines, and United Airlines are the most popular carriers operating from Boston Logan Intl to Great Falls

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?

There are 2 operators available for flights from Boston Logan Intl Airport to Great Falls Airport as of September 2026.

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.

$294 Cheap Flights from Boston to Great Falls in 2026/27

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Boston to Great Falls

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

9:03 am - 4:30 pmBOS Boston Logan Intl-GTF Great Falls

9h 27m1 stop Seattle/Tacoma Intl

5:10 pm - 5:40 amGTF Great Falls-BOS Boston Logan Intl

10h 30m1 stop Seattle/Tacoma Intl

$438Alaska Airlines

Sat, Nov 14 - Tue, Nov 17

9:03 am - 4:30 pmBOS Boston Logan Intl-GTF Great Falls

9h 27m1 stop Seattle/Tacoma Intl

5:10 pm - 5:40 amGTF Great Falls-BOS Boston Logan Intl

10h 30m1 stop Seattle/Tacoma Intl

$438Alaska Airlines

Wed, Nov 11 - Thu, Nov 12

6:05 am - 12:41 pmBOS Boston Logan Intl-GTF Great Falls

8h 36m1 stop Salt Lake City

6:19 pm - 6:20 amGTF Great Falls-BOS Boston Logan Intl

10h 01m1 stop Salt Lake City

$438Delta

Fri, Nov 13 - Sun, Nov 15

6:05 am - 12:41 pmBOS Boston Logan Intl-GTF Great Falls

8h 36m1 stop Salt Lake City

1:21 pm - 11:57 pmGTF Great Falls-BOS Boston Logan Intl

8h 36m1 stop Salt Lake City

$438Delta

Fri, Nov 13 - Tue, Nov 17

4:15 pm - 10:40 pmBOS Boston Logan Intl-GTF Great Falls

8h 25m1 stop Salt Lake City

6:19 pm - 6:20 amGTF Great Falls-BOS Boston Logan Intl

10h 01m1 stop Salt Lake City

$438Delta

Sat, Nov 7 - Thu, Nov 12

7:13 am - 4:30 pmBOS Boston Logan Intl-GTF Great Falls

11h 17m1 stop Seattle/Tacoma Intl

5:10 pm - 5:40 amGTF Great Falls-BOS Boston Logan Intl

10h 30m1 stop Seattle/Tacoma Intl

$438Alaska Airlines

Tue, Nov 10 - Thu, Nov 12

9:03 am - 4:30 pmBOS Boston Logan Intl-GTF Great Falls

9h 27m1 stop Seattle/Tacoma Intl

5:10 pm - 5:40 amGTF Great Falls-BOS Boston Logan Intl

10h 30m1 stop Seattle/Tacoma Intl

$438Alaska Airlines

Fri, Nov 13 - Sat, Nov 14

1:29 pm - 9:38 pmBOS Boston Logan Intl-GTF Great Falls

10h 09m2 stops Chicago O'Hare Intl Denver Intl

6:30 am - 6:53 pmGTF Great Falls-BOS Boston Logan Intl

10h 23m2 stops Denver Intl Newark

$449United Airlines

Tue, Nov 10 - Sat, Nov 14

3:05 pm - 9:38 pmBOS Boston Logan Intl-GTF Great Falls

8h 33m1 stop Denver Intl

6:30 am - 7:14 pmGTF Great Falls-BOS Boston Logan Intl

10h 44m2 stops Denver Intl Chicago O'Hare Intl

$544United Airlines

Sat, Nov 14 - Tue, Nov 17

1:29 pm - 9:38 pmBOS Boston Logan Intl-GTF Great Falls

10h 09m2 stops Chicago O'Hare Intl Denver Intl

6:30 am - 9:30 pmGTF Great Falls-BOS Boston Logan Intl

13h 00m2 stops Denver Intl Chicago O'Hare Intl

$549United Airlines

Sat, Nov 14 - Tue, Nov 17

Cheap last minute flights

Enter your travel dates to find the best prices.

11:20 am - 5:41 pmBOS Boston Logan Intl-GTF Great Falls

8h 21m1 stop Salt Lake City

6:21 pm - 6:30 amGTF Great Falls-BOS Boston Logan Intl

10h 09m1 stop Salt Lake City

$633Delta

Wed, Sep 23 - Sat, Sep 26

7:45 am - 1:29 pmBOS Boston Logan Intl-GTF Great Falls

7h 44m1 stop Denver Intl

2:37 pm - 11:59 pmGTF Great Falls-BOS Boston Logan Intl

7h 22m1 stop Denver Intl

$633United Airlines

Wed, Sep 23 - Sat, Sep 26

7:45 am - 1:29 pmBOS Boston Logan Intl-GTF Great Falls

7h 44m1 stop Denver Intl

2:37 pm - 11:59 pmGTF Great Falls-BOS Boston Logan Intl

7h 22m1 stop Denver Intl

$633United Airlines

Wed, Sep 23 - Fri, Sep 25

10:38 am - 9:12 pmBOS Boston Logan Intl-GTF Great Falls

12h 34m2 stops Chicago O'Hare Intl Denver Intl

2:37 pm - 11:59 pmGTF Great Falls-BOS Boston Logan Intl

7h 22m1 stop Denver Intl

$639United Airlines

Wed, Sep 23 - Sat, Sep 26

10:38 am - 9:12 pmBOS Boston Logan Intl-GTF Great Falls

12h 34m2 stops Chicago O'Hare Intl Denver Intl

2:37 pm - 11:59 pmGTF Great Falls-BOS Boston Logan Intl

7h 22m1 stop Denver Intl

$639United Airlines

Wed, Sep 23 - Fri, Sep 25

12:37 pm - 9:12 pmBOS Boston Logan Intl-GTF Great Falls

10h 35m2 stops Chicago O'Hare Intl Denver Intl

6:15 am - 7:22 pmGTF Great Falls-BOS Boston Logan Intl

11h 07m2 stops Denver Intl Chicago O'Hare Intl

$671United Airlines

Wed, Sep 23 - Sat, Sep 26

6:00 am - 1:29 pmBOS Boston Logan Intl-GTF Great Falls

9h 29m2 stops Chicago O'Hare Intl Denver Intl

6:15 am - 9:59 pmGTF Great Falls-BOS Boston Logan Intl

13h 44m2 stops Denver Intl Chicago O'Hare Intl

$673United Airlines

Wed, Sep 23 - Sat, Sep 26

7:12 am - 4:39 pmBOS Boston Logan Intl-GTF Great Falls

11h 27m1 stop Seattle/Tacoma Intl

5:19 pm - 7:39 amGTF Great Falls-BOS Boston Logan Intl

12h 20m1 stop Seattle/Tacoma Intl

$738Alaska Airlines

Wed, Sep 23 - Fri, Sep 25

7:12 am - 4:39 pmBOS Boston Logan Intl-GTF Great Falls

11h 27m1 stop Seattle/Tacoma Intl

5:19 pm - 7:39 amGTF Great Falls-BOS Boston Logan Intl

12h 20m1 stop Seattle/Tacoma Intl

$813Alaska Airlines

Wed, Sep 23 - Fri, Sep 25

7:05 am - 5:41 pmBOS Boston Logan Intl-GTF Great Falls

12h 36m2 stops Minneapolis St Paul Salt Lake City

6:21 pm - 11:18 amGTF Great Falls-BOS Boston Logan Intl

14h 57m2 stops Salt Lake City New York John F Kennedy Intl

$889Delta

Wed, Sep 23 - Fri, Sep 25

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Delta flights from Boston to Great Falls

Our best Delta deals on Boston to Great Falls flight tickets

Delta

Nov 7

BOS4:15 pmBoston Logan Intl

8h 25m

1 stop

GTF10:40 pmGreat Falls

Nov 15

GTF6:19 pmGreat Falls

10h 01m

1 stop

BOS6:20 amBoston Logan Intl

$438

Delta

Nov 7

BOS1:05 pmBoston Logan Intl

11h 35m

2 stops

GTF10:40 pmGreat Falls

Nov 12

GTF6:19 pmGreat Falls

10h 01m

1 stop

BOS6:20 amBoston Logan Intl

$444

Delta

Nov 7

BOS7:27 amBoston Logan Intl

12h 20m

2 stops

GTF5:47 pmGreat Falls

Nov 15

GTF6:19 pmGreat Falls

14h 51m

2 stops

BOS11:10 amBoston Logan Intl

$449

United Airlines flights from Boston to Great Falls

Our best United Airlines deals on Boston to Great Falls flight tickets

United Airlines

Oct 30

BOS3:05 pmBoston Logan Intl

8h 33m

1 stop

GTF9:38 pmGreat Falls

Nov 6

GTF2:45 pmGreat Falls

7h 05m

1 stop

BOS11:50 pmBoston Logan Intl

$558

United Airlines

Nov 8

BOS5:30 amBoston Logan Intl

10h 19m

2 stops

GTF1:49 pmGreat Falls

Nov 11

GTF2:45 pmGreat Falls

7h 05m

1 stop

BOS11:50 pmBoston Logan Intl

$564

United Airlines

Nov 14

BOS1:29 pmBoston Logan Intl

10h 09m

2 stops

GTF9:38 pmGreat Falls

Nov 17

GTF6:30 amGreat Falls

13h 00m

2 stops

BOS9:30 pmBoston Logan Intl

$569

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BostonGreat Falls

BOS Boston Logan Intl - GTF Great Falls

BOSGTF

Boston Logan Intl

Sat 11/14

9:03 am-4:30 pm

1 stop9h 27m

Great Falls

Tue 11/17

5:10 pm-5:40 am

1 stop10h 30m

$438

BostonGreat Falls

BOS Boston Logan Intl - GTF Great Falls

BOSGTF

Boston Logan Intl

Wed 11/11

9:03 am-4:30 pm

1 stop9h 27m

Great Falls

Thu 11/12

5:10 pm-5:40 am

1 stop10h 30m

$438

BostonGreat Falls

BOS Boston Logan Intl - GTF Great Falls

BOSGTF

Boston Logan Intl

Fri 11/13

6:05 am-12:41 pm

1 stop8h 36m

Great Falls

Sun 11/15

6:19 pm-6:20 am

1 stop10h 01m

$438

Quickest round-trip

BostonGreat Falls

BOS Boston Logan Intl - GTF Great Falls

BOSGTF

Boston Logan Intl

Fri 11/13

6:05 am-12:41 pm

1 stop8h 36m

Great Falls

Tue 11/17

1:21 pm-11:57 pm

1 stop8h 36m

$438

BostonGreat Falls

BOS Boston Logan Intl - GTF Great Falls

BOSGTF

Boston Logan Intl

Sat 11/7

4:15 pm-10:40 pm

1 stop8h 25m

Great Falls

Thu 11/12

6:19 pm-6:20 am

1 stop10h 01m

$438

BostonGreat Falls

BOS Boston Logan Intl - GTF Great Falls

BOSGTF

Boston Logan Intl

Tue 11/10

7:13 am-4:30 pm

1 stop11h 17m

Great Falls

Thu 11/12

5:10 pm-5:40 am

1 stop10h 30m

$438

BostonGreat Falls

BOS Boston Logan Intl - GTF Great Falls

BOSGTF

Boston Logan Intl

Fri 11/13

9:03 am-4:30 pm

1 stop9h 27m

Great Falls

Sat 11/14

5:10 pm-5:40 am

1 stop10h 30m

$438

BostonGreat Falls

BOS Boston Logan Intl - GTF Great Falls

BOSGTF

Boston Logan Intl

Tue 11/10

1:29 pm-9:38 pm

2 stops10h 09m

Great Falls

Sat 11/14

6:30 am-6:53 pm

2 stops10h 23m

$449

BostonGreat Falls

BOS Boston Logan Intl - GTF Great Falls

BOSGTF

Boston Logan Intl

Sat 11/14

3:05 pm-9:38 pm

1 stop8h 33m

Great Falls

Tue 11/17

6:30 am-7:14 pm

2 stops10h 44m

$544

BostonGreat Falls

BOS Boston Logan Intl - GTF Great Falls

BOSGTF

Boston Logan Intl

Sat 11/14

1:29 pm-9:38 pm

2 stops10h 09m

Great Falls

Tue 11/17

6:30 am-9:30 pm

2 stops13h 00m

$549

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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

Prices

Airlines

What is the cheapest month to fly to Great Falls?

The month of January is another great option to travel to Great Falls, with average flight prices from Boston averaging around $0.

Can stopping save me money on Boston to Great Falls flights?

You could potentially save up to 6% on your flight if you consider stops on a Boston to Great Falls flight.

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	$294
Fastest flight time	8h 33m
Direct flights	None

The best one-way flight to Great Falls from Boston in the past 72 hours is $294. The best round-trip flight deal from Boston to Great Falls found on momondo in the last 72 hours is $438.

The fastest flight from Boston to Great Falls takes 8h 33m

There are no direct flights from Boston to Great Falls. There are no popular flight routes from Boston to Great Falls.

Search flight deals

Frequently asked questions about flying from Boston to Great Falls

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 33m 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?
There are 2 operators available for flights from Boston Logan Intl Airport to Great Falls Airport as of September 2026.
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?
Based on momondo bookings for this flight route, the most popular airline on flight routes from Boston to Great Falls is United Airlines (63% of total bookings). The next most popular airline is Delta (37%).

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
Delta	PriceFrom $324	Free Cancellation	Rating 7.8 8,595 reviews		Search Delta flights
United Airlines	PriceFrom $466	Free Cancellation	Rating 7.4 10,226 reviews		Search United Airlines flights

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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.