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$248+ Cheap flights from Montgomery, AL to St. Louis (MGM - STL)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 2/26. Fares are subject to change and may not be available on all flights or dates of travel.
MGM — STL
Mar 13 — Mar 201
Fri 3/13
Fri 3/20
1 adult, Economy
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Cheap flight deals from Montgomery to St. Louis

Cheapest flights from Montgomery to St. Louis
Explore the most affordable flight options available from Montgomery to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 11, 2026.

This American Airlines deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/265:30 am
MGM
-
STL
1 stop7h 13m
American Airlines
Sat 2/2811:46 am
STL
-
MGM
1 stop5h 12m
American Airlines
Deal found 2/10$248
This Delta deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/116:25 pm
MGM
-
STL
1 stop5h 33m
Delta
Wed 3/186:00 am
STL
-
MGM
1 stop5h 55m
Delta
Deal found 2/10$258
This American Airlines deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/115:30 am
MGM
-
STL
2 stops9h 26m
American Airlines
Wed 3/189:36 am
STL
-
MGM
1 stop7h 08m
American Airlines
Deal found 2/10$264
This Delta deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/136:25 pm
MGM
-
STL
1 stop5h 33m
Delta
Tue 3/176:59 pm
STL
-
MGM
1 stop3h 42m
Delta
Deal found 2/10$328
This Delta deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/162:47 pm
MGM
-
STL
1 stop5h 54m
Delta
Wed 3/186:59 pm
STL
-
MGM
1 stop3h 42m
Delta
Deal found 2/10$398
This American Airlines deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/125:55 pm
MGM
-
STL
1 stop5h 04m
American Airlines
Sat 5/165:46 am
STL
-
MGM
2 stops11h 39m
American Airlines
Deal found 2/10$412
This American Airlines deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/1312:38 pm
MGM
-
STL
1 stop5h 29m
American Airlines
Tue 3/173:49 pm
STL
-
MGM
2 stops6h 59m
American Airlines
Deal found 2/10$429
This American Airlines deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/257:00 am
MGM
-
STL
2 stops12h 29m
American Airlines
Sun 3/12:00 pm
STL
-
MGM
2 stops9h 43m
American Airlines
Deal found 2/10$434
This Delta deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/1412:39 pm
MGM
-
STL
1 stop3h 31m
Delta
Sun 5/176:00 am
STL
-
MGM
1 stop5h 59m
Delta
Deal found 2/10$438

Find flight deals from Montgomery to St. Louis

Discover tips and strategies to find the most affordable flight options for your journey from Montgomery (MGM) to St. Louis (STL). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated February 11, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$248
(American Airlines)

Popular in

April

Cheapest in

February

Average price

$238
Provider with most accurate pricing for Montgomery Dannelly Field-Lambert-St Louis flight deals.
Search Deals
Provider most trusted by Cheapflights users for Montgomery Dannelly Field-Lambert-St Louis flights.
Search Deals
From Montgomery Dannelly Field to Lambert-St Louis
Search Deals
Highest demand for flights based on searches. 15% potential increase in price ($76 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($16 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2026
Search Deals

Cheapflights 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, Cheapflights users made 2,558,603 searches. Data last updated February 11, 2026.
Use the filters below to find and compare flights from Montgomery to St. Louis that are best for you.

Fly from

Montgomery

Fly to

St. Louis

Route

Depart

Return

Price

MontgomerySt. Louis

MGM - STL

MGMSTL

Montgomery Dannelly Field

Thu 2/26

5:30 am-12:43 pm

1 stop7h 13m

Lambert-St Louis

Sat 2/28

11:46 am-4:58 pm

1 stop5h 12m

$248

MontgomerySt. Louis

MGM - STL

MGMSTL

Montgomery Dannelly Field

Wed 2/25

7:00 am-1:16 pm

1 stop6h 16m

Lambert-St Louis

Sun 3/1

6:57 pm-11:43 pm

1 stop4h 46m

$248

MontgomerySt. Louis

MGM - STL

MGMSTL

Montgomery Dannelly Field

Tue 3/10

5:48 pm-11:22 pm

1 stop5h 34m

Lambert-St Louis

Tue 3/17

9:36 am-4:44 pm

1 stop7h 08m

$248

MontgomerySt. Louis

MGM - STL

MGMSTL

Montgomery Dannelly Field

Wed 3/11

6:25 pm-11:58 pm

1 stop5h 33m

Lambert-St Louis

Wed 3/18

6:00 am-11:55 am

1 stop5h 55m

$258

MontgomerySt. Louis

MGM - STL

MGMSTL

Montgomery Dannelly Field

Tue 5/12

6:00 am-9:36 am

1 stop3h 36m

Lambert-St Louis

Sat 5/16

6:00 am-11:59 am

1 stop5h 59m

$258

MontgomerySt. Louis

MGM - STL

MGMSTL

Montgomery Dannelly Field

Wed 3/11

5:30 am-2:56 pm

2 stops9h 26m

Lambert-St Louis

Wed 3/18

9:36 am-4:44 pm

1 stop7h 08m

$264

MontgomerySt. Louis

MGM - STL

MGMSTL

Montgomery Dannelly Field

Wed 2/18

1:10 pm-7:29 pm

1 stop6h 19m

$362

MontgomerySt. Louis

MGM - STL

MGMSTL

Montgomery Dannelly Field

Mon 2/16

2:47 pm-8:41 pm

1 stop5h 54m

$407

MontgomerySt. Louis

MGM - STL

MGMSTL

Montgomery Dannelly Field

Mon 2/16

5:30 am-2:56 pm

2 stops9h 26m

$413

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/9

Compare providers for flights from Montgomery to St. Louis

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Montgomery to St. Louis in February.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Montgomery, Alabama-St. Louis flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Montgomery, Alabama-St. Louis flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Montgomery, Alabama-St. Louis flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Montgomery, Alabama-St. Louis flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Montgomery, Alabama-St. Louis flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Montgomery to St. Louis

Have a flexible travel schedule? Discover the best time to fly to St. Louis from Montgomery with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Montgomery to St. Louis

What is the cheapest month to book a flight from Montgomery, Alabama to St. Louis?

Currently, April is the cheapest month in which you can book a flight from Montgomery, Alabama to St. Louis (average of $194). Flying from Montgomery, Alabama to St. Louis in January is currently the most expensive (average of $290). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Reviews of airlines servicing St. Louis

Get insights into the airlines that provide service to St. Louis. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to St. Louis. Reviews last updated February 11, 2026.
Peruse reviews from past customers who have flown with Delta and American Airlines from Montgomery to St. Louis to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
8,180 reviews

Boarding

8.1

Food

7.2

Comfort

7.9

Overall

7.9

Crew

8.5

Entertainment

7.8

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Delta
7.9
Good
8,180 reviews
Delta
7.9
Good
8,180 reviews

Boarding

8.1

Food

7.2

Comfort

7.9

Overall

7.9

Crew

8.5

Entertainment

7.8

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
American Airlines
7.2
Good
11,265 reviews
Delta
7.9
Good
8,180 reviews

Boarding

8.1

Food

7.2

Comfort

7.9

Overall

7.9

Crew

8.5

Entertainment

7.8

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Related info for your journey

Find useful and relevant information for your journey from Montgomery to St. Louis. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Montgomery, Alabama to St. Louis?

    Airlines like American Airlines fly from Montgomery, Alabama to St. Louis in about 7h 13m. The time it takes to get you to your destination can typically vary by up to . The distance from Montgomery, Alabama to St. Louis is about 498 mi.

  • What are the cheapest airlines flying from Montgomery, Alabama to St. Louis round-trip?

    Cheapflights users have booked flights from Montgomery, Alabama to St. Louis round-trip from $238. Another airline that can offer you cheap pricing is American Airlines. Delta is priced at 41% lower than the current average price of a flight leaving 3 months from now.

  • Can I find deals for flights from Montgomery to St. Louis that include hotel bookings?

    Yes. In addition to deals on Montgomery to St. Louis flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Montgomery to St. Louis?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Montgomery to St. Louis.

  • Can I find deals for business class flights from Montgomery to St. Louis?

    Yes. Cheapflights offers flight deals from Montgomery to St. Louis by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Montgomery, Alabama to St. Louis?

    Currently, April is the cheapest month in which you can book a flight from Montgomery, Alabama to St. Louis (average of $194). Flying from Montgomery, Alabama to St. Louis in January is currently the most expensive (average of $290). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near St. Louis?

Book flights to St. Louis if you plan to visit one of these locations
Edwardsville
O'Fallon
Swansea
Fairview Heights
Maryland Heights
Collinsville
Eureka
Glencoe
Chesterfield
Alton
Farmington
Festus

Browse thousands of different options on Cheapflights for your next trip

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Top 2 airlines flying from Montgomery to St. Louis

Discover the top 2 airlines that operate flights from Montgomery to St. Louis. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated February 11, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$238Average$441FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$260Average$385FlexibilityNo cancel feeOn-time71%

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