How long does it take to fly to Great Falls?

Flight times from Missouri to Great Falls vary, but if you’re flying out of Kansas City and flying into Great Falls (one of the most popular routes), then the duration is 5h 29m on average. Another popular route from Missouri to Great Falls is flying from St. Louis to Great Falls, which will take roughly 5h 39m. Keep in mind that layovers or delays could extend your travel time.

What is the cheapest airline that flies from Missouri to Great Falls?

Delta and United Airlines are the most popular carriers operating from Missouri to Great Falls

When did momondo last update prices for flights from Missouri to Great Falls Airport?

Prices for flights from Missouri to Great Falls Airport are refreshed on a daily basis.

How many operators does momondo search for flights from Missouri to Great Falls Airport?

As of November 2025, there are 2 operators available to choose from for flights from Missouri to Great Falls Airport.

How old do you have to be to fly from Missouri to Great Falls Airport?

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Missouri 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.

$171 Cheap Flights from Missouri to Great Falls in 2025/26

1 adult

0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

Find the cheapest flights from Missouri to Great Falls

Round-trip

One-way

Cheap round-trip flights

Enter your travel dates to find the best prices.

7:00 am - 9:35 pmMCI-GTF

15h 35m1 stop

10:25 pm - 2:52 pmGTF-MCI

15h 27m1 stop

$362Multiple Airlines

Find Deal

Mon, Dec 22 - Mon, Dec 29

6:40 am - 12:23 pmMCI-GTF

6h 43m1 stop

6:20 pm - 12:20 amGTF-MCI

5h 00m1 stop

$416Delta

Find Deal

Thu, Apr 16 - Mon, Apr 20

7:00 am - 9:35 pmMCI-GTF

15h 35m1 stop

10:25 pm - 10:08 amGTF-MCI

34h 43m2 stops

$420Multiple Airlines

Find Deal

Mon, Dec 22 - Mon, Dec 29

6:40 am - 12:23 pmMCI-GTF

6h 43m1 stop

6:20 pm - 9:31 amGTF-MCI

14h 11m2 stops

$422Delta

Find Deal

Thu, Apr 16 - Mon, Apr 20

7:30 am - 12:23 pmSTL-GTF

5h 53m1 stop

5:30 am - 1:21 pmGTF-STL

6h 51m1 stop

$466Delta

Find Deal

Sat, Apr 25 - Wed, Apr 29

11:51 am - 10:44 pmSTL-GTF

11h 53m2 stops

6:20 pm - 12:36 amGTF-STL

5h 16m1 stop

$472Delta

Find Deal

Sat, Apr 25 - Wed, Apr 29

9:00 am - 5:39 pmSTL-GTF

9h 39m2 stops

6:20 pm - 8:07 amGTF-STL

12h 47m2 stops

$477Delta

Find Deal

Sat, Apr 25 - Wed, Apr 29

7:00 am - 6:55 pmSTL-GTF

12h 55m1 stop

7:21 pm - 11:51 pmGTF-STL

27h 30m2 stops

$517Alaska Airlines

Find Deal

Tue, Dec 16 - Fri, Jan 2

7:00 am - 6:55 pmSTL-GTF

12h 55m1 stop

7:21 pm - 11:50 pmGTF-STL

27h 29m1 stop

$519Alaska Airlines

Find Deal

Tue, Dec 16 - Fri, Jan 2

6:30 am - 1:39 pmSTL-GTF

8h 09m2 stops

2:29 pm - 2:30 pmGTF-STL

23h 01m2 stops

$853United Airlines

Find Deal

Sat, Jan 3 - Sat, Jan 10

Delta flights from Missouri to Great Falls

Our best Delta deals on Missouri to Great Falls flight tickets

Delta

Apr 16

MCI6:40 amKansas City

6h 43m

1 stop

GTF12:23 pmGreat Falls

Apr 20

GTF6:20 pmGreat Falls

5h 00m

1 stop

MCI12:20 amKansas City

$416

Find similar

Delta

Apr 16

MCI6:40 amKansas City

6h 43m

1 stop

GTF12:23 pmGreat Falls

Apr 20

GTF6:20 pmGreat Falls

14h 11m

2 stops

MCI9:31 amKansas City

$422

Find similar

Delta

Apr 25

STL7:30 amLambert-St Louis

5h 53m

1 stop

GTF12:23 pmGreat Falls

Apr 29

GTF5:30 amGreat Falls

6h 51m

1 stop

STL1:21 pmLambert-St Louis

$466

Find similar

United Airlines flights from Missouri to Great Falls

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

United Airlines

Nov 12

MCI11:36 amKansas City

12h 03m

2 stops

GTF10:39 pmGreat Falls

Nov 16

GTF2:30 pmGreat Falls

5h 17m

1 stop

MCI8:47 pmKansas City

$622

Find similar

United Airlines

Nov 12

MCI11:36 amKansas City

12h 03m

2 stops

GTF10:39 pmGreat Falls

Nov 16

GTF2:30 pmGreat Falls

30h 58m

2 stops

MCI10:28 pmKansas City

$776

Find similar

United Airlines

Jan 3

STL6:30 amLambert-St Louis

8h 09m

2 stops

GTF1:39 pmGreat Falls

Jan 10

GTF2:29 pmGreat Falls

23h 01m

2 stops

STL2:30 pmLambert-St Louis

$853

Find similar

Fly from

Fly to

Route

Depart

Return

Price

Kansas CityGreat Falls

MCI - GTF

MCIGTF

Kansas City

Mon 12/22

7:00 am-9:35 pm

1 stop15h 35m

Great Falls

Mon 12/29

10:25 pm-2:52 pm

1 stop15h 27m

$362

Kansas CityGreat Falls

MCI - GTF

MCIGTF

Kansas City

Thu 4/16

6:40 am-12:23 pm

1 stop6h 43m

Great Falls

Mon 4/20

6:20 pm-12:20 am

1 stop5h 00m

$416

Kansas CityGreat Falls

MCI - GTF

MCIGTF

Kansas City

Mon 12/22

7:00 am-9:35 pm

1 stop15h 35m

Great Falls

Mon 12/29

10:25 pm-10:08 am

2 stops34h 43m

$420

Kansas CityGreat Falls

MCI - GTF

MCIGTF

Kansas City

Thu 4/16

6:40 am-12:23 pm

1 stop6h 43m

Great Falls

Mon 4/20

6:20 pm-9:31 am

2 stops14h 11m

$422

St. LouisGreat Falls

STL - GTF

STLGTF

Lambert-St Louis

Sat 4/25

7:30 am-12:23 pm

1 stop5h 53m

Great Falls

Wed 4/29

5:30 am-1:21 pm

1 stop6h 51m

$466

St. LouisGreat Falls

STL - GTF

STLGTF

Lambert-St Louis

Sat 4/25

11:51 am-10:44 pm

2 stops11h 53m

Great Falls

Wed 4/29

6:20 pm-12:36 am

1 stop5h 16m

$472

St. LouisGreat Falls

STL - GTF

STLGTF

Lambert-St Louis

Sat 4/25

9:00 am-5:39 pm

2 stops9h 39m

Great Falls

Wed 4/29

6:20 pm-8:07 am

2 stops12h 47m

$477

St. LouisGreat Falls

STL - GTF

STLGTF

Lambert-St Louis

Tue 12/16

7:00 am-6:55 pm

1 stop12h 55m

Great Falls

Fri 1/2

7:21 pm-11:51 pm

2 stops27h 30m

$517

St. LouisGreat Falls

STL - GTF

STLGTF

Lambert-St Louis

Tue 12/16

7:00 am-6:55 pm

1 stop12h 55m

Great Falls

Fri 1/2

7:21 pm-11:50 pm

1 stop27h 29m

$519

St. LouisGreat Falls

STL - GTF

STLGTF

Lambert-St Louis

Sat 1/3

6:30 am-1:39 pm

2 stops8h 09m

Great Falls

Sat 1/10

2:29 pm-2:30 pm

2 stops23h 01m

$853

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 13 resultsSorted by cheapest first

How to get the cheapest flight ticket from Missouri 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

Other information

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 Wednesday when prices can be found for as low as $405. This is often the case because there is less demand to fly during this day of the week. On the other hand, Friday is the most expensive day to depart from Missouri because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $714.

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 Missouri to Great Falls in the morning for as low as $538. 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 $644 on average. Flights to Great Falls from Missouri in the afternoon are generally more expensive because this time of day is more convenient for travelers’ schedules.

Cheap Missouri to Great Falls flight deals and tips

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

Direct flights	None

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

Search flight deals

When did momondo last update prices for flights from Missouri to Great Falls Airport?
Prices for flights from Missouri to Great Falls Airport are refreshed on a daily basis.
How many operators does momondo search for flights from Missouri to Great Falls Airport?
As of November 2025, there are 2 operators available to choose from for flights from Missouri to Great Falls Airport.
How old do you have to be to fly from Missouri to Great Falls Airport?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Missouri 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.

Best airlines flying from Missouri to Great Falls

Compare and see reviews for airlines that fly from Missouri to Great Falls with momondo

Airline	Rating	Free Cancellation	Price
Delta	PriceFrom $243	Free Cancellation	Rating 7.9 8,001 reviews		Search Delta flights
United Airlines	PriceFrom $248	Free Cancellation	Rating 7.4 9,007 reviews		Search United Airlines flights

Shelby

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Missouri to Great Falls. momondo saves you time and could save you money on your trip.

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

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

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Great Falls from Missouri.

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

If you are not ready to book a flight from Missouri to Great Falls now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Great Falls and let you know when they change.