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 59m on average. Another popular route from Missouri to Great Falls is flying from Springfield to Great Falls, which will take roughly 5h 16m. 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 August 2026, 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.

$303 Cheap Flights from Missouri to Great Falls in 2026

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Missouri to Great Falls

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

7:45 am - 12:38 pmMCI Kansas City-GTF Great Falls

5h 53m1 stop Salt Lake City

6:27 pm - 12:17 amGTF Great Falls-MCI Kansas City

4h 50m1 stop Salt Lake City

$318Delta

Sat, Oct 10 - Tue, Oct 13

9:14 am - 1:29 pmMCI Kansas City-GTF Great Falls

5h 15m1 stop Denver Intl

6:15 am - 12:38 pmGTF Great Falls-MCI Kansas City

5h 23m1 stop Denver Intl

$318United Airlines

Thu, Sep 3 - Wed, Sep 9

4:39 pm - 9:38 pmSTL Lambert-St Louis-GTF Great Falls

5h 59m1 stop Denver Intl

6:30 am - 12:38 pmGTF Great Falls-STL Lambert-St Louis

5h 08m1 stop Denver Intl

$328United Airlines

Thu, Nov 5 - Sat, Nov 7

5:00 am - 1:49 pmSTL Lambert-St Louis-GTF Great Falls

9h 49m2 stops Chicago O'Hare Intl Denver Intl

2:45 pm - 8:59 pmGTF Great Falls-STL Lambert-St Louis

5h 14m1 stop Denver Intl

$356United Airlines

Thu, Nov 5 - Sat, Nov 7

7:00 am - 12:28 pmMCI Kansas City-GTF Great Falls

6h 28m1 stop Salt Lake City

1:08 pm - 9:08 pmGTF Great Falls-MCI Kansas City

7h 00m1 stop Salt Lake City

$368Delta

Thu, Aug 27 - Mon, Aug 31

7:00 am - 12:28 pmMCI Kansas City-GTF Great Falls

6h 28m1 stop Salt Lake City

1:08 pm - 11:27 pmGTF Great Falls-MCI Kansas City

9h 19m2 stops Salt Lake City Minneapolis St Paul

$374Delta

Thu, Aug 27 - Mon, Aug 31

2:10 pm - 10:44 pmMCI Kansas City-GTF Great Falls

9h 34m2 stops Detroit Metropolitan Wayne County Salt Lake City

6:27 pm - 12:17 amGTF Great Falls-MCI Kansas City

4h 50m1 stop Salt Lake City

$379Delta

Sat, Oct 10 - Tue, Oct 13

7:36 pm - 4:39 pmSTL Lambert-St Louis-GTF Great Falls

22h 03m1 stop Seattle/Tacoma Intl

5:19 pm - 2:21 pmGTF Great Falls-STL Lambert-St Louis

20h 02m1 stop Seattle/Tacoma Intl

$478Alaska Airlines

Fri, Sep 18 - Tue, Sep 22

6:08 pm - 4:39 pmSTL Lambert-St Louis-GTF Great Falls

23h 31m2 stops Portland Seattle/Tacoma Intl

5:19 pm - 2:21 pmGTF Great Falls-STL Lambert-St Louis

20h 02m1 stop Seattle/Tacoma Intl

$512Alaska Airlines

Fri, Sep 18 - Tue, Sep 22

7:36 pm - 4:39 pmSTL Lambert-St Louis-GTF Great Falls

22h 03m1 stop Seattle/Tacoma Intl

5:19 pm - 6:38 pmGTF Great Falls-STL Lambert-St Louis

24h 19m1 stop Seattle/Tacoma Intl

$515Alaska Airlines

Fri, Sep 18 - Tue, Sep 22

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United Airlines flights from Missouri to Great Falls

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

United Airlines

Sep 3

MCI9:14 amKansas City

5h 15m

1 stop

GTF1:29 pmGreat Falls

Sep 9

GTF6:15 amGreat Falls

5h 23m

1 stop

MCI12:38 pmKansas City

$318

United Airlines

Nov 5

STL4:39 pmLambert-St Louis

5h 59m

1 stop

GTF9:38 pmGreat Falls

Nov 7

GTF6:30 amGreat Falls

5h 08m

1 stop

STL12:38 pmLambert-St Louis

$328

United Airlines

Nov 5

STL5:00 amLambert-St Louis

9h 49m

2 stops

GTF1:49 pmGreat Falls

Nov 7

GTF2:45 pmGreat Falls

5h 14m

1 stop

STL8:59 pmLambert-St Louis

$356

Alaska Airlines flights from Missouri to Great Falls

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

Alaska Airlines

Sep 18

STL7:36 pmLambert-St Louis

22h 03m

1 stop

GTF4:39 pmGreat Falls

Sep 22

GTF5:19 pmGreat Falls

20h 02m

1 stop

STL2:21 pmLambert-St Louis

$478

Alaska Airlines

Sep 18

STL6:08 pmLambert-St Louis

23h 31m

2 stops

GTF4:39 pmGreat Falls

Sep 22

GTF5:19 pmGreat Falls

20h 02m

1 stop

STL2:21 pmLambert-St Louis

$512

Alaska Airlines

Sep 18

STL7:36 pmLambert-St Louis

22h 03m

1 stop

GTF4:39 pmGreat Falls

Sep 22

GTF5:19 pmGreat Falls

24h 19m

1 stop

STL6:38 pmLambert-St Louis

$515

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Kansas CityGreat Falls

MCI Kansas City - GTF Great Falls

MCIGTF

Kansas City

Sat 10/10

7:45 am-12:38 pm

1 stop5h 53m

Great Falls

Tue 10/13

6:27 pm-12:17 am

1 stop4h 50m

$318

Quickest round-trip

Kansas CityGreat Falls

MCI Kansas City - GTF Great Falls

MCIGTF

Kansas City

Thu 9/3

9:14 am-1:29 pm

1 stop5h 15m

Great Falls

Wed 9/9

6:15 am-12:38 pm

1 stop5h 23m

$318

St. LouisGreat Falls

STL Lambert-St Louis - GTF Great Falls

STLGTF

Lambert-St Louis

Thu 11/5

4:39 pm-9:38 pm

1 stop5h 59m

Great Falls

Sat 11/7

6:30 am-12:38 pm

1 stop5h 08m

$328

St. LouisGreat Falls

STL Lambert-St Louis - GTF Great Falls

STLGTF

Lambert-St Louis

Thu 11/5

5:00 am-1:49 pm

2 stops9h 49m

Great Falls

Sat 11/7

2:45 pm-8:59 pm

1 stop5h 14m

$356

Kansas CityGreat Falls

MCI Kansas City - GTF Great Falls

MCIGTF

Kansas City

Thu 8/27

7:00 am-12:28 pm

1 stop6h 28m

Great Falls

Mon 8/31

1:08 pm-9:08 pm

1 stop7h 00m

$368

Kansas CityGreat Falls

MCI Kansas City - GTF Great Falls

MCIGTF

Kansas City

Thu 8/27

7:00 am-12:28 pm

1 stop6h 28m

Great Falls

Mon 8/31

1:08 pm-11:27 pm

2 stops9h 19m

$374

Kansas CityGreat Falls

MCI Kansas City - GTF Great Falls

MCIGTF

Kansas City

Sat 10/10

2:10 pm-10:44 pm

2 stops9h 34m

Great Falls

Tue 10/13

6:27 pm-12:17 am

1 stop4h 50m

$379

St. LouisGreat Falls

STL Lambert-St Louis - GTF Great Falls

STLGTF

Lambert-St Louis

Fri 9/18

7:36 pm-4:39 pm

1 stop22h 03m

Great Falls

Tue 9/22

5:19 pm-2:21 pm

1 stop20h 02m

$478

St. LouisGreat Falls

STL Lambert-St Louis - GTF Great Falls

STLGTF

Lambert-St Louis

Fri 9/18

6:08 pm-4:39 pm

2 stops23h 31m

Great Falls

Tue 9/22

5:19 pm-2:21 pm

1 stop20h 02m

$512

St. LouisGreat Falls

STL Lambert-St Louis - GTF Great Falls

STLGTF

Lambert-St Louis

Fri 9/18

7:36 pm-4:39 pm

1 stop22h 03m

Great Falls

Tue 9/22

5:19 pm-6:38 pm

1 stop24h 19m

$515

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 14 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 month to fly to Great Falls?

The month of November is another great option to travel to Great Falls, with average flight prices from Missouri averaging around $278.

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

Fastest flight time	4h 59m
Direct flights	None

The fastest flight from Missouri to Great Falls takes 4h 59m

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

Search flight deals

Frequently asked questions about flying 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 August 2026, 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 $213	Free Cancellation	Rating 7.8 8,502 reviews		Search Delta flights
United Airlines	PriceFrom $303	Free Cancellation	Rating 7.4 10,105 reviews		Search United Airlines flights

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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.