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Cheap flights from Montgomery to St. Louis from $253

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Montgomery to St. Louis departing on 7/31. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Montgomery to St. Louis

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
4:51 pm - 10:45 pm
MGM
-
STL
5h 54m
1 stop
United Airlines Logo
11:10 am - 4:16 pm
STL
-
MGM
5h 06m
1 stop
$293United Airlines
Tue, Aug 4 - Mon, Aug 10
United Airlines Logo
4:55 pm - 10:20 pm
MGM
-
STL
5h 25m
1 stop
United Airlines Logo
6:15 am - 12:45 pm
STL
-
MGM
6h 30m
1 stop
$306United Airlines
Fri, Nov 13 - Wed, Nov 18
United Airlines Logo
4:51 pm - 10:45 pm
MGM
-
STL
5h 54m
1 stop
United Airlines Logo
6:14 am - 12:40 pm
STL
-
MGM
6h 26m
1 stop
$308United Airlines
Fri, Jul 17 - Tue, Jul 21
American Airlines Logo
3:17 pm - 8:03 pm
MGM
-
STL
4h 46m
1 stop
American Airlines Logo
6:13 pm - 11:33 pm
STL
-
MGM
5h 20m
1 stop
$312American Airlines
Thu, Jul 23 - Mon, Jul 27
American Airlines Logo
3:17 pm - 8:03 pm
MGM
-
STL
4h 46m
1 stop
American Airlines Logo
6:13 pm - 11:33 pm
STL
-
MGM
5h 20m
1 stop
$329American Airlines
Thu, Jul 23 - Mon, Jul 27
American Airlines Logo
6:01 pm - 11:58 pm
MGM
-
STL
5h 57m
1 stop
American Airlines Logo
5:32 am - 12:01 pm
STL
-
MGM
6h 29m
1 stop
$346American Airlines
Sat, Jul 18 - Wed, Jul 22
United Airlines Logo
4:55 pm - 10:06 pm
MGM
-
STL
5h 11m
1 stop
United Airlines Logo
6:15 am - 12:45 pm
STL
-
MGM
6h 30m
1 stop
$363United Airlines
Tue, Dec 8 - Sat, Dec 12
American Airlines Logo
5:23 am - 4:28 pm
MGM
-
STL
11h 05m
2 stops
American Airlines Logo
8:34 am - 1:19 pm
STL
-
MGM
4h 45m
1 stop
$459American Airlines
Tue, Aug 4 - Mon, Aug 10
United Airlines Logo
4:55 pm - 10:06 pm
MGM
-
STL
5h 11m
1 stop
United Airlines Logo
6:15 am - 12:45 pm
STL
-
MGM
6h 30m
1 stop
$467United Airlines
Sat, Dec 12 - Wed, Dec 16
American Airlines Logo
3:17 pm - 8:03 pm
MGM
-
STL
4h 46m
1 stop
American Airlines Logo
6:55 am - 2:51 pm
STL
-
MGM
7h 56m
2 stops
$476American Airlines
Fri, Jul 17 - Tue, Jul 21

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American Airlines flights from Montgomery to St. Louis

Our best American Airlines deals on Montgomery to St. Louis flight tickets
American Airlines
Jul 23
MGM3:17 pmMontgomery Dannelly Field
4h 46m
1 stop
STL8:03 pmLambert-St Louis
Jul 27
STL6:13 pmLambert-St Louis
5h 20m
1 stop
MGM11:33 pmMontgomery Dannelly Field
$312
American Airlines
Jul 23
MGM3:17 pmMontgomery Dannelly Field
4h 46m
1 stop
STL8:03 pmLambert-St Louis
Jul 27
STL6:13 pmLambert-St Louis
5h 20m
1 stop
MGM11:33 pmMontgomery Dannelly Field
$329
American Airlines
Jul 18
MGM6:01 pmMontgomery Dannelly Field
5h 57m
1 stop
STL11:58 pmLambert-St Louis
Jul 22
STL5:32 amLambert-St Louis
6h 29m
1 stop
MGM12:01 pmMontgomery Dannelly Field
$346

Delta flights from Montgomery to St. Louis

Our best Delta deals on Montgomery to St. Louis flight tickets
Delta
Jul 21
MGM9:53 amMontgomery Dannelly Field
4h 55m
1 stop
STL2:48 pmLambert-St Louis
Jul 22
STL6:00 amLambert-St Louis
6h 02m
1 stop
MGM12:02 pmMontgomery Dannelly Field
$594
Delta
Jul 19
MGM6:28 pmMontgomery Dannelly Field
5h 25m
1 stop
STL11:53 pmLambert-St Louis
Jul 23
STL7:08 amLambert-St Louis
4h 54m
1 stop
MGM12:02 pmMontgomery Dannelly Field
$624
Delta
Jul 8
MGM6:00 amMontgomery Dannelly Field
6h 17m
1 stop
STL12:17 pmLambert-St Louis
Jul 10
STL7:08 amLambert-St Louis
4h 54m
1 stop
MGM12:02 pmMontgomery Dannelly Field
$784

momondo Fare Finder

 
Customize your flight search to find flights from Montgomery to St. Louis that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated July 6, 2026.
Use the filters below to find and compare flights from Montgomery to St. Louis that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

MontgomerySt. Louis

MGM - STL

MGMSTL

Montgomery Dannelly Field

Tue 8/4

4:51 pm-10:45 pm

1 stop5h 54m

Lambert-St Louis

Mon 8/10

11:10 am-4:16 pm

1 stop5h 06m

$293

MontgomerySt. Louis

MGM - STL

MGMSTL

Montgomery Dannelly Field

Fri 11/13

4:55 pm-10:20 pm

1 stop5h 25m

Lambert-St Louis

Wed 11/18

6:15 am-12:45 pm

1 stop6h 30m

$306

MontgomerySt. Louis

MGM - STL

MGMSTL

Montgomery Dannelly Field

Fri 7/17

4:51 pm-10:45 pm

1 stop5h 54m

Lambert-St Louis

Tue 7/21

6:14 am-12:40 pm

1 stop6h 26m

$308
Quickest round-trip

MontgomerySt. Louis

MGM - STL

MGMSTL

Montgomery Dannelly Field

Thu 7/23

3:17 pm-8:03 pm

1 stop4h 46m

Lambert-St Louis

Mon 7/27

6:13 pm-11:33 pm

1 stop5h 20m

$312

MontgomerySt. Louis

MGM - STL

MGMSTL

Montgomery Dannelly Field

Thu 7/23

3:17 pm-8:03 pm

1 stop4h 46m

Lambert-St Louis

Mon 7/27

6:13 pm-11:33 pm

1 stop5h 20m

$329

MontgomerySt. Louis

MGM - STL

MGMSTL

Montgomery Dannelly Field

Sat 7/18

6:01 pm-11:58 pm

1 stop5h 57m

Lambert-St Louis

Wed 7/22

5:32 am-12:01 pm

1 stop6h 29m

$346

MontgomerySt. Louis

MGM - STL

MGMSTL

Montgomery Dannelly Field

Tue 12/8

4:55 pm-10:06 pm

1 stop5h 11m

Lambert-St Louis

Sat 12/12

6:15 am-12:45 pm

1 stop6h 30m

$363

MontgomerySt. Louis

MGM - STL

MGMSTL

Montgomery Dannelly Field

Tue 8/4

5:23 am-4:28 pm

2 stops11h 05m

Lambert-St Louis

Mon 8/10

8:34 am-1:19 pm

1 stop4h 45m

$459

MontgomerySt. Louis

MGM - STL

MGMSTL

Montgomery Dannelly Field

Sat 12/12

4:55 pm-10:06 pm

1 stop5h 11m

Lambert-St Louis

Wed 12/16

6:15 am-12:45 pm

1 stop6h 30m

$467

MontgomerySt. Louis

MGM - STL

MGMSTL

Montgomery Dannelly Field

Fri 7/17

3:17 pm-8:03 pm

1 stop4h 46m

Lambert-St Louis

Tue 7/21

6:55 am-2:51 pm

2 stops7h 56m

$476

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 18 resultsSorted by cheapest first
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See travel insights to St. Louis from

How to get the cheapest flight ticket from Montgomery 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, May is the cheapest month to fly from Montgomery to St. Louis. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $0. The month of February is another great option to travel to St. Louis, with average flight prices from Montgomery averaging around $238.

Can stopping save me money on Montgomery to St. Louis flights?

You could potentially save up to 1% on your flight if you consider stops on a Montgomery to St. Louis flight.

When to book flights from Montgomery to St. Louis

Are you open to changing your travel dates? Check out the ideal times to fly from Montgomery to St. Louis according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Montgomery to St. Louis (MGM to STL) flight deals and tips

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

Fastest flight time

4h 55m

Direct flights

None
The fastest flight from Montgomery to St. Louis takes 4h 55m
There are no direct flights from Montgomery to St. Louis. There are no popular flight routes from Montgomery to St. Louis.
Search flight deals

Frequently asked questions about flying from Montgomery to St. Louis

  • How far is Montgomery Dannelly Field to Lambert-St Louis by plane?

    There are 484.5 mi between Montgomery Dannelly Field and Lambert-St Louis. 4h 55m is a normal flight duration for this route.

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

    Prices for flights from Montgomery Dannelly Field Airport to Lambert-St Louis Airport refresh daily.

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

  • How old do you have to be to fly from Montgomery Dannelly Field Airport to Lambert-St Louis Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Montgomery Dannelly Field Airport to Lambert-St Louis Airport.

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

    The travel and health documents required for your trip to Lambert-St Louis Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Lambert-St Louis Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • What is the most popular airline from Montgomery to St. Louis?

Best airlines flying from Montgomery to St. Louis

Compare and see reviews for airlines that fly from Montgomery to St. Louis with momondo
Airline
Rating
Free Cancellation
Price
DeltaPriceFrom $238Free CancellationRating
7.8
8,452 reviews
Search Delta flights
American AirlinesPriceFrom $278Free CancellationRating
7.1
11,784 reviews
Search American 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
Hermann
Maryland Heights
Florissant
St. Peters
O'Fallon
Collinsville
Alton
Farmington
Wentzville
Clayton
Fenton
Festus
Eureka
Litchfield
Edwardsville
Grafton
Shrewsbury

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Montgomery to St. Louis. Millions of users trust and use momondo every year so you are in good hands.

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

momondo does allow users to show only those flights to St. Louis from Montgomery which offer a flexible booking policy as well as other useful filters and features.

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

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

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

Price alerts on flights to St. Louis from Montgomery 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.

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