What is the cheapest airline that flies from Montana to Missouri?

American Airlines, United Airlines, and Alaska Airlines are the most popular carriers operating from Montana to Missouri

How long is the flight from Montana to Missouri?

The flight from Montana to Missouri depends on which airports you’re departing and arriving from and whether or not you have a layover. If you fly from Bozeman (a popular airport in Montana) to St. Louis (the most popular airport in Missouri), then the flight time is 4h 33m on average. If you fly from Missoula (another popular airport in Montana) to St. Louis, then the average flight time is 4h 52m.

What airlines fly to Missouri?

United Airlines, Delta and Southwest are the top three most popular airlines that fly to Missouri from Montana according to our data. United Airlines is the first choice among our users, with 54% of people opting to fly with this airline when traveling to Missouri. Keep in mind that there are 4 different airlines that fly to Missouri on a routine basis, so you have a few additional options to choose from.

When did momondo last update prices for flights from Montana to Missouri?

Prices for flights from Montana to Missouri refresh daily.

How many operators does momondo search for flights from Montana to Missouri?

The number of operators available for flights from Montana to Missouri is 4 as of February 2026.

How old do you have to be to fly from Montana to Missouri?

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Montana to Missouri.

What documentation or ID do you need to fly to Missouri?

The necessary travel and health documents for your Missouri trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

$106 Cheap Flights from Montana to Missouri in 2026

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Find the cheapest flights from Montana to Missouri

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

2:26 pm - 8:42 pm

BZN

STL

5h 16m

1 stop

5:15 am - 9:28 am

STL

BZN

5h 13m

1 stop

$211United Airlines

Sat, May 30 - Sat, Jun 6

3:36 pm - 12:15 am

BZN

MCI

7h 39m

1 stop

5:00 am - 12:38 pm

MCI

BZN

8h 38m

1 stop

$225American Airlines

Fri, Feb 27 - Tue, Mar 3

3:05 pm - 11:50 pm

BZN

MCI

7h 45m

1 stop

6:30 am - 12:15 pm

MCI

BZN

6h 45m

1 stop

$238Delta

Fri, Feb 27 - Tue, Mar 3

3:36 pm - 11:22 pm

BZN

STL

6h 46m

1 stop

7:00 am - 2:46 pm

STL

BZN

8h 46m

1 stop

$239American Airlines

Wed, Feb 25 - Sun, Mar 1

6:20 am - 1:14 pm

BZN

STL

5h 54m

1 stop

9:55 am - 9:12 pm

STL

BZN

12h 17m

2 stops

$244United Airlines

Thu, Feb 26 - Mon, Mar 2

5:15 am - 1:24 pm

MSO

MCI

7h 09m

1 stop

3:45 pm - 8:02 pm

MCI

MSO

5h 17m

1 stop

$268Delta

Sat, Mar 7 - Mon, Mar 9

7:00 am - 12:52 pm

BIL

MCI

4h 52m

1 stop

6:00 am - 9:38 am

MCI

BIL

4h 38m

1 stop

$269United Airlines

Wed, Apr 8 - Sat, Apr 11

7:59 pm - 1:48 pm

BZN

MCI

16h 49m

1 stop

7:59 pm - 10:35 am

MCI

BZN

15h 36m

1 stop

$285Alaska Airlines

Fri, May 22 - Tue, May 26

7:53 pm - 12:55 pm

FCA

MCI

16h 02m

1 stop

5:16 pm - 1:13 pm

MCI

FCA

20h 57m

1 stop

$288Alaska Airlines

Sat, Mar 7 - Mon, Mar 9

11:15 am - 10:05 pm

BZN

STL

9h 50m

2 stops

4:35 pm - 11:55 pm

STL

BZN

8h 20m

1 stop

$350Southwest

Wed, Feb 25 - Sun, Mar 1

Alaska Airlines flights from Montana to Missouri

Our best Alaska Airlines deals on Montana to Missouri flight tickets

Alaska Airlines

May 22

BZN7:59 pmBozeman Gallatin Field

16h 49m

1 stop

MCI1:48 pmKansas City

May 26

MCI7:59 pmKansas City

15h 36m

1 stop

BZN10:35 amBozeman Gallatin Field

$285

Alaska Airlines

Mar 7

FCA7:53 pmKalispell Glacier Park

16h 02m

1 stop

MCI12:55 pmKansas City

Mar 9

MCI5:16 pmKansas City

20h 57m

1 stop

FCA1:13 pmKalispell Glacier Park

$288

Alaska Airlines

Feb 25

MSO6:23 amMissoula Johnson-Bell Field

6h 28m

1 stop

STL1:51 pmLambert-St Louis

Mar 25

STL7:00 amLambert-St Louis

9h 35m

1 stop

MSO3:35 pmMissoula Johnson-Bell Field

$298

United Airlines flights from Montana to Missouri

Our best United Airlines deals on Montana to Missouri flight tickets

United Airlines

May 30

BZN2:26 pmBozeman Gallatin Field

5h 16m

1 stop

STL8:42 pmLambert-St Louis

Jun 6

STL5:15 amLambert-St Louis

5h 13m

1 stop

BZN9:28 amBozeman Gallatin Field

$211

United Airlines

Feb 26

BZN6:20 amBozeman Gallatin Field

5h 54m

1 stop

STL1:14 pmLambert-St Louis

Mar 2

STL9:55 amLambert-St Louis

12h 17m

2 stops

BZN9:12 pmBozeman Gallatin Field

$244

United Airlines

Apr 8

BIL7:00 amBillings Logan Intl

4h 52m

1 stop

MCI12:52 pmKansas City

Apr 11

MCI6:00 amKansas City

4h 38m

1 stop

BIL9:38 amBillings Logan Intl

$269

Fly from

Fly to

Route

Depart

Return

Price

BozemanSt. Louis

BZN - STL

BZNSTL

Bozeman Gallatin Field

Sat 5/30

2:26 pm-8:42 pm

1 stop5h 16m

Lambert-St Louis

Sat 6/6

5:15 am-9:28 am

1 stop5h 13m

$211

BozemanKansas City

BZN - MCI

BZNMCI

Bozeman Gallatin Field

Fri 2/27

3:36 pm-12:15 am

1 stop7h 39m

Kansas City

Tue 3/3

5:00 am-12:38 pm

1 stop8h 38m

$225

BozemanKansas City

BZN - MCI

BZNMCI

Bozeman Gallatin Field

Fri 2/27

3:05 pm-11:50 pm

1 stop7h 45m

Kansas City

Tue 3/3

6:30 am-12:15 pm

1 stop6h 45m

$238

BozemanSt. Louis

BZN - STL

BZNSTL

Bozeman Gallatin Field

Wed 2/25

3:36 pm-11:22 pm

1 stop6h 46m

Lambert-St Louis

Sun 3/1

7:00 am-2:46 pm

1 stop8h 46m

$239

BozemanSt. Louis

BZN - STL

BZNSTL

Bozeman Gallatin Field

Thu 2/26

6:20 am-1:14 pm

1 stop5h 54m

Lambert-St Louis

Mon 3/2

9:55 am-9:12 pm

2 stops12h 17m

$244

MissoulaKansas City

MSO - MCI

MSOMCI

Missoula Johnson-Bell Field

Sat 3/7

5:15 am-1:24 pm

1 stop7h 09m

Kansas City

Mon 3/9

3:45 pm-8:02 pm

1 stop5h 17m

$268

BillingsKansas City

BIL - MCI

BILMCI

Billings Logan Intl

Wed 4/8

7:00 am-12:52 pm

1 stop4h 52m

Kansas City

Sat 4/11

6:00 am-9:38 am

1 stop4h 38m

$269

BozemanKansas City

BZN - MCI

BZNMCI

Bozeman Gallatin Field

Fri 5/22

7:59 pm-1:48 pm

1 stop16h 49m

Kansas City

Tue 5/26

7:59 pm-10:35 am

1 stop15h 36m

$285

KalispellKansas City

FCA - MCI

FCAMCI

Kalispell Glacier Park

Sat 3/7

7:53 pm-12:55 pm

1 stop16h 02m

Kansas City

Mon 3/9

5:16 pm-1:13 pm

1 stop20h 57m

$288

BozemanSt. Louis

BZN - STL

BZNSTL

Bozeman Gallatin Field

Wed 2/25

11:15 am-10:05 pm

2 stops9h 50m

Lambert-St Louis

Sun 3/1

4:35 pm-11:55 pm

1 stop8h 20m

$350

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 Montana to Missouri

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 Missouri?

In general, February is the cheapest month to fly from Montana to Missouri. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $287. If you aren’t able to travel to Missouri during the month of February, then flying in April is also cheap. Prices for this month can be found on momondo for an average of $319.

Can stopping save me money on Montana to Missouri flights?

You could potentially save up to 43% on your flight if you consider stops on a Montana to Missouri flight.

Cheap Montana to Missouri flight deals and tips

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

Fastest flight time	4h 20m
Direct flights	None

The fastest flight from Montana to Missouri takes 4h 20m

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

Search flight deals

When did momondo last update prices for flights from Montana to Missouri?
Prices for flights from Montana to Missouri refresh daily.
How many operators does momondo search for flights from Montana to Missouri?
The number of operators available for flights from Montana to Missouri is 4 as of February 2026.
How old do you have to be to fly from Montana to Missouri?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Montana to Missouri.
What documentation or ID do you need to fly to Missouri?
The necessary travel and health documents for your Missouri trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Montana to Missouri

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

Airline	Rating	Free Cancellation	Price
Delta	PriceFrom $128	Free Cancellation	Rating 7.9 8,180 reviews	Search Delta flights
Southwest	PriceFrom $208	Free Cancellation	Rating 8.0 4,280 reviews	Search Southwest flights
United Airlines	PriceFrom $210	Free Cancellation	Rating 7.4 9,279 reviews	Search United Airlines flights
American Airlines	PriceFrom $308	Free Cancellation	Rating 7.2 11,271 reviews	Search American Airlines flights

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Montana to Missouri for you.

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

Yes. momondo allows you to filter the results for Montana to Missouri flights to just show those with flexible booking policies.

How can momondo help me find flights from Montana to Missouri?

momondo helps you find the best flight between Montana and Missouri 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 Montana to Missouri right now. Can momondo alert me if prices change?

Price alerts on flights to Missouri from Montana are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.