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Cheap flights from Montana to St. Louis from $160

1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Montana to St. Louis

Cheap round-trip flights

Enter your travel dates to find the best prices.
Delta Logo
6:27 pm - 12:44 amGTF  Great Falls-STL Lambert-St Louis
5h 17m1 stop Salt Lake City
Delta Logo
7:45 am - 12:38 pmSTL  Lambert-St Louis-GTF Great Falls
5h 53m1 stop Salt Lake City
$348Delta
Tue, Oct 27 - Sat, Oct 31
Delta Logo
6:27 pm - 12:44 amGTF  Great Falls-STL Lambert-St Louis
5h 17m1 stop Salt Lake City
Delta Logo
7:45 am - 12:38 pmSTL  Lambert-St Louis-GTF Great Falls
5h 53m1 stop Salt Lake City
$348Delta
Wed, Oct 28 - Sat, Oct 31
United Airlines Logo
2:45 pm - 9:01 pmGTF  Great Falls-STL Lambert-St Louis
5h 16m1 stop Denver Intl
United Airlines Logo
8:50 am - 1:49 pmSTL  Lambert-St Louis-GTF Great Falls
5h 59m1 stop Denver Intl
$348United Airlines
Sun, Oct 25 - Sat, Oct 31
United Airlines Logo
2:45 pm - 9:01 pmGTF  Great Falls-STL Lambert-St Louis
5h 16m1 stop Denver Intl
United Airlines Logo
11:15 am - 9:38 pmSTL  Lambert-St Louis-GTF Great Falls
11h 23m2 stops Chicago O'Hare Intl Denver Intl
$354United Airlines
Sun, Oct 25 - Sat, Oct 31
Southwest Logo
11:20 am - 7:50 pmBZN  Bozeman Gallatin Field-STL Lambert-St Louis
7h 30m1 stop Denver Intl
Southwest Logo
6:35 am - 11:10 amSTL  Lambert-St Louis-BZN Bozeman Gallatin Field
5h 35m1 stop Denver Intl
$369Southwest
Wed, Nov 4 - Sat, Nov 7
American Airlines Logo
1:42 pm - 11:59 pmBZN  Bozeman Gallatin Field-STL Lambert-St Louis
9h 17m2 stops Dallas/Fort Worth Chicago O'Hare Intl
American Airlines Logo
6:00 am - 12:52 pmSTL  Lambert-St Louis-BZN Bozeman Gallatin Field
7h 52m1 stop Dallas/Fort Worth
$374American Airlines
Wed, Nov 4 - Sat, Nov 7
Southwest Logo
11:20 am - 9:20 pmBZN  Bozeman Gallatin Field-STL Lambert-St Louis
9h 00m2 stops Denver Intl Las Vegas Harry Reid Intl
Southwest Logo
2:45 pm - 9:35 pmSTL  Lambert-St Louis-BZN Bozeman Gallatin Field
7h 50m2 stops Austin Bergstrom Denver Intl
$379Southwest
Wed, Nov 4 - Sat, Nov 7
American Airlines Logo
3:06 pm - 12:16 amBZN  Bozeman Gallatin Field-STL Lambert-St Louis
8h 10m1 stop Dallas/Fort Worth
American Airlines Logo
6:00 am - 12:50 pmSTL  Lambert-St Louis-BZN Bozeman Gallatin Field
7h 50m1 stop Chicago O'Hare Intl
$391American Airlines
Wed, Dec 23 - Wed, Dec 30
Alaska Airlines Logo
7:00 am - 11:59 pmBZN  Bozeman Gallatin Field-STL Lambert-St Louis
15h 59m1 stop Seattle/Tacoma Intl
Alaska Airlines Logo
6:00 am - 10:52 pmSTL  Lambert-St Louis-BZN Bozeman Gallatin Field
17h 52m1 stop Seattle/Tacoma Intl
$418Alaska Airlines
Thu, Nov 12 - Sat, Nov 14
Alaska Airlines Logo
7:00 am - 2:56 pmBIL  Billings Logan Intl-STL Lambert-St Louis
6h 56m1 stop Seattle/Tacoma Intl
Alaska Airlines Logo
3:54 pm - 11:51 pmSTL  Lambert-St Louis-BIL Billings Logan Intl
8h 57m1 stop Seattle/Tacoma Intl
$453Alaska Airlines
Sat, Jan 30 - Wed, Feb 3

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American Airlines flights from Montana to St. Louis

Our best American Airlines deals on Montana to St. Louis flight tickets
American Airlines
Nov 4
BZN1:42 pmBozeman Gallatin Field
9h 17m
2 stops
STL11:59 pmLambert-St Louis
Nov 7
STL6:00 amLambert-St Louis
7h 52m
1 stop
BZN12:52 pmBozeman Gallatin Field
$374
American Airlines
Dec 23
BZN3:06 pmBozeman Gallatin Field
8h 10m
1 stop
STL12:16 amLambert-St Louis
Dec 30
STL6:00 amLambert-St Louis
7h 50m
1 stop
BZN12:50 pmBozeman Gallatin Field
$391
American Airlines
Jan 8
BZN1:31 pmBozeman Gallatin Field
6h 01m
1 stop
STL8:32 pmLambert-St Louis
Jan 10
STL7:01 amLambert-St Louis
6h 49m
1 stop
BZN12:50 pmBozeman Gallatin Field
$416

Delta flights from Montana to St. Louis

Our best Delta deals on Montana to St. Louis flight tickets
Delta
Oct 23
GTF6:27 pmGreat Falls
5h 17m
1 stop
STL12:44 amLambert-St Louis
Nov 2
STL5:00 pmLambert-St Louis
6h 30m
1 stop
GTF10:30 pmGreat Falls
$348
Delta
Oct 30
BIL6:30 amBillings Logan Intl
4h 38m
1 stop
STL12:08 pmLambert-St Louis
Oct 31
STL5:00 pmLambert-St Louis
6h 25m
1 stop
BIL10:25 pmBillings Logan Intl
$349
Delta
Oct 23
GTF6:27 pmGreat Falls
14h 15m
2 stops
STL9:42 amLambert-St Louis
Oct 30
STL7:45 amLambert-St Louis
5h 53m
1 stop
GTF12:38 pmGreat Falls
$354

momondo Fare Finder

 
Use the filters below to find and compare flights from Montana to St. Louis that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

Great FallsSt. Louis

GTF Great Falls - STL Lambert-St Louis

GTFSTL

Great Falls

Tue 10/27

6:27 pm-12:44 am

1 stop5h 17m

Lambert-St Louis

Sat 10/31

7:45 am-12:38 pm

1 stop5h 53m

$348

Great FallsSt. Louis

GTF Great Falls - STL Lambert-St Louis

GTFSTL

Great Falls

Wed 10/28

6:27 pm-12:44 am

1 stop5h 17m

Lambert-St Louis

Sat 10/31

7:45 am-12:38 pm

1 stop5h 53m

$348

Great FallsSt. Louis

GTF Great Falls - STL Lambert-St Louis

GTFSTL

Great Falls

Sun 10/25

2:45 pm-9:01 pm

1 stop5h 16m

Lambert-St Louis

Sat 10/31

8:50 am-1:49 pm

1 stop5h 59m

$348

Great FallsSt. Louis

GTF Great Falls - STL Lambert-St Louis

GTFSTL

Great Falls

Sun 10/25

2:45 pm-9:01 pm

1 stop5h 16m

Lambert-St Louis

Sat 10/31

11:15 am-9:38 pm

2 stops11h 23m

$354

BozemanSt. Louis

BZN Bozeman Gallatin Field - STL Lambert-St Louis

BZNSTL

Bozeman Gallatin Field

Wed 11/4

11:20 am-7:50 pm

1 stop7h 30m

Lambert-St Louis

Sat 11/7

6:35 am-11:10 am

1 stop5h 35m

$369

BozemanSt. Louis

BZN Bozeman Gallatin Field - STL Lambert-St Louis

BZNSTL

Bozeman Gallatin Field

Wed 11/4

1:42 pm-11:59 pm

2 stops9h 17m

Lambert-St Louis

Sat 11/7

6:00 am-12:52 pm

1 stop7h 52m

$374

BozemanSt. Louis

BZN Bozeman Gallatin Field - STL Lambert-St Louis

BZNSTL

Bozeman Gallatin Field

Wed 11/4

11:20 am-9:20 pm

2 stops9h 00m

Lambert-St Louis

Sat 11/7

2:45 pm-9:35 pm

2 stops7h 50m

$379

BozemanSt. Louis

BZN Bozeman Gallatin Field - STL Lambert-St Louis

BZNSTL

Bozeman Gallatin Field

Wed 12/23

3:06 pm-12:16 am

1 stop8h 10m

Lambert-St Louis

Wed 12/30

6:00 am-12:50 pm

1 stop7h 50m

$391

BozemanSt. Louis

BZN Bozeman Gallatin Field - STL Lambert-St Louis

BZNSTL

Bozeman Gallatin Field

Thu 11/12

7:00 am-11:59 pm

1 stop15h 59m

Lambert-St Louis

Sat 11/14

6:00 am-10:52 pm

1 stop17h 52m

$418

BillingsSt. Louis

BIL Billings Logan Intl - STL Lambert-St Louis

BILSTL

Billings Logan Intl

Sat 1/30

7:00 am-2:56 pm

1 stop6h 56m

Lambert-St Louis

Wed 2/3

3:54 pm-11:51 pm

1 stop8h 57m

$453

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to St. Louis from

How to get the cheapest flight ticket from Montana to St. Louis

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

What is the cheapest month to fly to St. Louis?

In general, February is the cheapest month to fly from Montana to St. Louis. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $345. The month of July is another great option to travel to St. Louis, with average flight prices from Montana averaging around $397.

Cheap Montana to St. Louis flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Montana to St. Louis

Best Price Found

$160

Fastest flight time

4h 38m

Direct flights

None
The best one-way flight to St. Louis from Montana in the past 72 hours is $160. The best round-trip flight deal from Montana to St. Louis found on momondo in the last 72 hours is $348.
The fastest flight from Montana to St. Louis takes 4h 38m
There are no direct flights from Montana to St. Louis. There are no popular flight routes from Montana to St. Louis.
Search flight deals

Frequently asked questions about flying from Montana to St. Louis

  • When did momondo last update prices for flights from Montana to Lambert-St Louis Airport?

    Prices for flights from Montana to Lambert-St Louis Airport were last updated today.

  • How many operators does momondo search for flights from Montana to Lambert-St Louis Airport?

  • How old do you have to be to fly from Montana to Lambert-St Louis 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 Montana to Lambert-St Louis Airport.

  • What documentation or ID do you need to fly to Lambert-St Louis Airport?

    The travel and health documents you'll need for your trip to Lambert-St Louis Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Lambert-St Louis Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Montana to St. Louis

Compare and see reviews for airlines that fly from Montana to St. Louis with momondo
Airline
Rating
Free Cancellation
Price
DeltaPriceFrom $164Free CancellationRating
7.8
8,627 reviews
Search Delta flights
SouthwestPriceFrom $210Free CancellationRating
7.9
4,215 reviews
Search Southwest flights
American AirlinesPriceFrom $260Free CancellationRating
7.0
12,130 reviews
Search American Airlines flights
United AirlinesPriceFrom $279Free CancellationRating
7.4
10,287 reviews
Search United Airlines flights

Traveling to a place near St. Louis?

Book flights to St. Louis if you plan to visit one of these locations
St. Charles
Chesterfield
Fairview Heights
Maryland Heights
St. Peters
Alton
Collinsville
Florissant
Hermann
Farmington
Clayton
Festus
O'Fallon
Fenton
Edwardsville
Eureka
Wentzville
Litchfield
Grafton
Waterloo

Why use momondo?

Why should I use momondo to find a flight deal from Montana to St. Louis?

Finding the right flight to St. Louis from Montana is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to St. Louis quick and easy, saving you time and money.

Can I find flights from Montana to St. Louis with flexible booking policies on momondo?

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

How can momondo help me find flights from Montana to St. Louis?

momondo provides multiple filters to help you find the best flight to St. Louis from Montana. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Montana to St. Louis right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Montana to St. Louis flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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