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

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 4h 53m on average. Another popular route from Missouri to Great Falls is flying from Springfield to Great Falls, which will take roughly 5h. Keep in mind that layovers or delays could extend your travel time.

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 September 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.

$219 Cheap Flights from Missouri to Great Falls in 2025/26

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Find the cheapest flights from Missouri to Great Falls

Round-trip

One-way

Last minute

Cheap round-trip flights

6:50 am - 12:28 pmSTL-GTF

6h 38m1 stop

6:09 pm - 12:24 amGTF-STL

5h 15m1 stop

$388Delta

Find Deal

Wed, Oct 29 - Mon, Nov 3

6:00 am - 5:29 pmSTL-GTF

12h 29m2 stops

6:09 pm - 12:24 amGTF-STL

5h 15m1 stop

$394Delta

Find Deal

Wed, Oct 29 - Mon, Nov 3

6:50 am - 12:28 pmSTL-GTF

6h 38m1 stop

6:09 pm - 12:24 amGTF-STL

5h 15m1 stop

$398Delta

Find Deal

Thu, Oct 16 - Sun, Oct 19

7:00 am - 6:10 pmMCI-GTF

12h 10m1 stop

6:50 pm - 2:02 pmGTF-MCI

18h 12m1 stop

$406Alaska Airlines

Find Deal

Mon, Nov 17 - Tue, Nov 18

7:00 am - 6:10 pmMCI-GTF

12h 10m1 stop

6:50 pm - 3:54 pmGTF-MCI

20h 04m2 stops

$419Alaska Airlines

Find Deal

Mon, Nov 17 - Tue, Nov 18

9:00 am - 1:39 pmSTL-GTF

5h 39m1 stop

2:35 pm - 8:57 pmGTF-STL

5h 22m1 stop

$419United Airlines

Find Deal

Thu, Dec 4 - Mon, Dec 8

7:00 am - 10:39 pmSTL-GTF

16h 39m2 stops

2:30 pm - 3:47 pmGTF-STL

24h 17m2 stops

$482United Airlines

Find Deal

Wed, Oct 29 - Mon, Nov 3

5:00 am - 1:26 pmSTL-GTF

9h 26m2 stops

2:31 pm - 8:46 pmGTF-STL

5h 15m1 stop

$524United Airlines

Find Deal

Thu, Oct 16 - Sun, Oct 19

6:50 am - 12:28 pmSTL-GTF

6h 38m1 stop

1:08 pm - 9:23 pmGTF-STL

7h 15m1 stop

$538Delta

Find Deal

Tue, Oct 7 - Sat, Oct 11

2:55 pm - 9:37 pmMCI-GTF

7h 42m1 stop

10:27 pm - 10:42 amGTF-MCI

35h 15m2 stops

$629Multiple Airlines

Find Deal

Fri, Oct 3 - Fri, Oct 10

Delta flights from Missouri to Great Falls

Our best Delta deals on Missouri to Great Falls flight tickets

Delta

Oct 29

STL6:50 amLambert-St Louis

6h 38m

1 stop

GTF12:28 pmGreat Falls

Nov 3

GTF6:09 pmGreat Falls

5h 15m

1 stop

STL12:24 amLambert-St Louis

$388

Find similar

Delta

Oct 29

STL6:00 amLambert-St Louis

12h 29m

2 stops

GTF5:29 pmGreat Falls

Nov 3

GTF6:09 pmGreat Falls

5h 15m

1 stop

STL12:24 amLambert-St Louis

$394

Find similar

Delta

Oct 16

STL6:50 amLambert-St Louis

6h 38m

1 stop

GTF12:28 pmGreat Falls

Oct 19

GTF6:09 pmGreat Falls

5h 15m

1 stop

STL12:24 amLambert-St Louis

$398

Find similar

Alaska Airlines flights from Missouri to Great Falls

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

Alaska Airlines

Nov 17

MCI7:00 amKansas City

12h 10m

1 stop

GTF6:10 pmGreat Falls

Nov 18

GTF6:50 pmGreat Falls

18h 12m

1 stop

MCI2:02 pmKansas City

$406

Find similar

Alaska Airlines

Nov 17

MCI7:00 amKansas City

12h 10m

1 stop

GTF6:10 pmGreat Falls

Nov 18

GTF6:50 pmGreat Falls

20h 04m

2 stops

MCI3:54 pmKansas City

$419

Find similar

Alaska Airlines

Oct 16

STL10:10 amLambert-St Louis

32h 25m

2 stops

GTF5:35 pmGreat Falls

Oct 19

GTF6:15 pmGreat Falls

27h 50m

2 stops

STL11:05 pmLambert-St Louis

$588

Find similar

Fly from

Fly to

Route

Depart

Return

Price

St. LouisGreat Falls

STL - GTF

STLGTF

Lambert-St Louis

Wed 10/29

6:50 am-12:28 pm

1 stop6h 38m

Great Falls

Mon 11/3

6:09 pm-12:24 am

1 stop5h 15m

$388

St. LouisGreat Falls

STL - GTF

STLGTF

Lambert-St Louis

Wed 10/29

6:00 am-5:29 pm

2 stops12h 29m

Great Falls

Mon 11/3

6:09 pm-12:24 am

1 stop5h 15m

$394

St. LouisGreat Falls

STL - GTF

STLGTF

Lambert-St Louis

Thu 10/16

6:50 am-12:28 pm

1 stop6h 38m

Great Falls

Sun 10/19

6:09 pm-12:24 am

1 stop5h 15m

$398

Kansas CityGreat Falls

MCI - GTF

MCIGTF

Kansas City

Mon 11/17

7:00 am-6:10 pm

1 stop12h 10m

Great Falls

Tue 11/18

6:50 pm-2:02 pm

1 stop18h 12m

$406

Kansas CityGreat Falls

MCI - GTF

MCIGTF

Kansas City

Mon 11/17

7:00 am-6:10 pm

1 stop12h 10m

Great Falls

Tue 11/18

6:50 pm-3:54 pm

2 stops20h 04m

$419

St. LouisGreat Falls

STL - GTF

STLGTF

Lambert-St Louis

Thu 12/4

9:00 am-1:39 pm

1 stop5h 39m

Great Falls

Mon 12/8

2:35 pm-8:57 pm

1 stop5h 22m

$419

St. LouisGreat Falls

STL - GTF

STLGTF

Lambert-St Louis

Wed 10/29

7:00 am-10:39 pm

2 stops16h 39m

Great Falls

Mon 11/3

2:30 pm-3:47 pm

2 stops24h 17m

$482

St. LouisGreat Falls

STL - GTF

STLGTF

Lambert-St Louis

Thu 10/16

5:00 am-1:26 pm

2 stops9h 26m

Great Falls

Sun 10/19

2:31 pm-8:46 pm

1 stop5h 15m

$524

St. LouisGreat Falls

STL - GTF

STLGTF

Lambert-St Louis

Tue 10/7

6:50 am-12:28 pm

1 stop6h 38m

Great Falls

Sat 10/11

1:08 pm-9:23 pm

1 stop7h 15m

$538

Kansas CityGreat Falls

MCI - GTF

MCIGTF

Kansas City

Fri 10/3

2:55 pm-9:37 pm

1 stop7h 42m

Great Falls

Fri 10/10

10:27 pm-10:42 am

2 stops35h 15m

$629

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 16 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 September 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
United Airlines	PriceFrom $248	Free Cancellation	Rating 7.4 8,926 reviews		Search United Airlines flights
Delta	PriceFrom $314	Free Cancellation	Rating 7.9 7,974 reviews		Search Delta flights

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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.