$267+ Cheap flights from Montgomery, AL to St. Louis (MGM - STL)
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/15. Fares are subject to change and may not be available on all flights or dates of travel.
MGM — STL
Jun 11 — Jun 181
Round-trip
1 adult, Economy
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Find cheap flights from Montgomery to St. Louis with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Montgomery to St. Louis
Cheapest
Best
Last-minute
One-way
Cheapest flights from Montgomery to St. LouisExplore 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 May 12, 2026.
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 May 12, 2026.
This American Airlines deal was found by Cheapflights users on 5/8. 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.
Sat 5/236:01 pm
MGM
- STL
1 stop5h 58m
American Airlines
Wed 5/277:30 am
STL
- MGM
1 stop7h 25m
American Airlines
Deal found 5/8![American Airlines logo]()
$322
This Delta deal was found by Cheapflights users on 5/11. 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 7/236:00 am
MGM
- STL
1 stop3h 43m
Delta
Mon 7/276:00 am
STL
- MGM
1 stop6h 02m
Delta
Deal found 5/11![Delta logo]()
$349
This Delta deal was found by Cheapflights users on 5/11. 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 5/296:28 pm
MGM
- STL
1 stop5h 31m
Delta
Sun 5/317:01 pm
STL
- MGM
1 stop3h 53m
Delta
Deal found 5/11![Delta logo]()
$355
This American Airlines deal was found by Cheapflights users on 5/8. 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 5/1912:36 pm
MGM
- STL
1 stop6h 54m
American Airlines
Tue 6/167:04 am
STL
- MGM
1 stop4h 55m
American Airlines
Deal found 5/8![American Airlines logo]()
$373
This American Airlines deal was found by Cheapflights users on 5/11. 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 5/293:20 pm
MGM
- STL
2 stops8h 34m
American Airlines
Sun 5/317:03 am
STL
- MGM
1 stop4h 56m
American Airlines
Deal found 5/11![American Airlines logo]()
$411
This Delta deal was found by Cheapflights users on 5/11. 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.
Tue 5/126:28 pm
MGM
- STL
1 stop5h 31m
Delta
Tue 5/195:15 pm
STL
- MGM
1 stop5h 39m
Delta
Deal found 5/11![Delta logo]()
$435
This American Airlines deal was found by Cheapflights users on 5/11. 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 5/126:03 am
MGM
- STL
2 stops10h 38m
American Airlines
Tue 5/197:00 am
STL
- MGM
1 stop6h 17m
American Airlines
Deal found 5/11![American Airlines logo]()
$441
Best flights from Montgomery to St. LouisDiscover carefully curated flight deals from Montgomery to St. Louis that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated May 12, 2026.
Discover carefully curated flight deals from Montgomery to St. Louis that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated May 12, 2026.
This Delta deal was found by Cheapflights users on 5/11. 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.
Tue 5/266:28 pm
MGM
- STL
1 stop5h 31m
Delta
Sat 5/306:00 am
STL
- MGM
1 stop5h 59m
Delta
Deal found 5/11![Delta logo]()
$322
This American Airlines deal was found by Cheapflights users on 5/8. 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.
Sat 5/2312:29 pm
MGM
- STL
1 stop7h 07m
American Airlines
Wed 5/271:45 pm
STL
- MGM
2 stops9h 32m
American Airlines
Deal found 5/8![American Airlines logo]()
$328
This Delta deal was found by Cheapflights users on 5/7. 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 5/296:28 pm
MGM
- STL
1 stop5h 31m
Delta
Sun 5/317:01 pm
STL
- MGM
1 stop3h 53m
Delta
Deal found 5/7![Delta logo]()
$322
This Delta deal was found by Cheapflights users on 5/7. 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 7/236:00 am
MGM
- STL
1 stop3h 43m
Delta
Mon 7/277:08 am
STL
- MGM
1 stop4h 54m
Delta
Deal found 5/7![Delta logo]()
$322
This American Airlines deal was found by Cheapflights users on 5/11. 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 5/293:20 pm
MGM
- STL
2 stops8h 34m
American Airlines
Sun 5/317:03 am
STL
- MGM
1 stop4h 56m
American Airlines
Deal found 5/11![American Airlines logo]()
$411
This Delta deal was found by Cheapflights users on 5/10. 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 6/86:00 am
MGM
- STL
1 stop3h 46m
Delta
Sun 6/147:08 am
STL
- MGM
1 stop4h 52m
Delta
Deal found 5/10![Delta logo]()
$405
Last-minute flights from Montgomery to St. LouisDiscover last-minute flight deals from Montgomery to St. Louis. Data last updated May 12, 2026 and is based on user searches.
Discover last-minute flight deals from Montgomery to St. Louis. Data last updated May 12, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 5/11. 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.
Tue 5/126:28 pm
MGM
- STL
1 stop5h 31m
Delta
Tue 5/195:15 pm
STL
- MGM
1 stop5h 39m
Delta
Deal found 5/11![Delta logo]()
$435
This American Airlines deal was found by Cheapflights users on 5/11. 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 5/126:03 am
MGM
- STL
2 stops10h 38m
American Airlines
Tue 5/197:00 am
STL
- MGM
1 stop6h 17m
American Airlines
Deal found 5/11![American Airlines logo]()
$441
This American Airlines deal was found by Cheapflights users on 5/8. 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 5/1912:36 pm
MGM
- STL
1 stop6h 54m
American Airlines
Tue 6/167:04 am
STL
- MGM
1 stop4h 55m
American Airlines
Deal found 5/8![American Airlines logo]()
$373
This American Airlines deal was found by Cheapflights users on 5/8. 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.
Sat 5/236:01 pm
MGM
- STL
1 stop5h 58m
American Airlines
Wed 5/277:30 am
STL
- MGM
1 stop7h 25m
American Airlines
Deal found 5/8![American Airlines logo]()
$322
This Delta deal was found by Cheapflights users on 5/11. 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 5/296:28 pm
MGM
- STL
1 stop5h 31m
Delta
Sun 5/317:01 pm
STL
- MGM
1 stop3h 53m
Delta
Deal found 5/11![Delta logo]()
$355
This American Airlines deal was found by Cheapflights users on 5/11. 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 5/293:20 pm
MGM
- STL
2 stops8h 34m
American Airlines
Sun 5/317:03 am
STL
- MGM
1 stop4h 56m
American Airlines
Deal found 5/11![American Airlines logo]()
$411
One-way flights from Montgomery to St. LouisSearch for one-way flight options from Montgomery to St. Louis. Find affordable one-way fares based on user searches. Data last updated May 12, 2026.
Search for one-way flight options from Montgomery to St. Louis. Find affordable one-way fares based on user searches. Data last updated May 12, 2026.
This American Airlines deal was found by Cheapflights users on 5/10. 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 9/157:11 am
MGM
- STL
1 stop7h 34m
American Airlines
Deal found 5/10![American Airlines logo]()
$267
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 May 12, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $322 (American Airlines) |
One-way from | $267 (American Airlines) |
Popular in | March |
Cheapest in | February |
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 May 12, 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
Cheapest round-trip
MontgomerySt. Louis
MGM - STL
MGMSTL
Montgomery Dannelly Field
Tue 5/26
6:28 pm-11:59 pm
1 stop5h 31m
Lambert-St Louis
Sat 5/30
6:00 am-11:59 am
1 stop5h 59m
$322
MontgomerySt. Louis
MGM - STL
MGMSTL
Montgomery Dannelly Field
Fri 5/29
6:28 pm-11:59 pm
1 stop5h 31m
Lambert-St Louis
Sun 5/31
7:01 pm-10:54 pm
1 stop3h 53m
$322
Quickest round-trip
MontgomerySt. Louis
MGM - STL
MGMSTL
Montgomery Dannelly Field
Thu 7/23
6:00 am-9:43 am
1 stop3h 43m
Lambert-St Louis
Mon 7/27
7:08 am-12:02 pm
1 stop4h 54m
$322
MontgomerySt. Louis
MGM - STL
MGMSTL
Montgomery Dannelly Field
Sat 5/23
12:29 pm-7:36 pm
1 stop7h 07m
Lambert-St Louis
Wed 5/27
1:45 pm-11:17 pm
2 stops9h 32m
$328
MontgomerySt. Louis
MGM - STL
MGMSTL
Montgomery Dannelly Field
Mon 6/8
6:00 am-9:46 am
1 stop3h 46m
Lambert-St Louis
Sun 6/14
7:08 am-12:00 pm
1 stop4h 52m
$405
MontgomerySt. Louis
MGM - STL
MGMSTL
Montgomery Dannelly Field
Fri 5/29
3:20 pm-11:54 pm
2 stops8h 34m
Lambert-St Louis
Sun 5/31
7:03 am-11:59 am
1 stop4h 56m
$411
Cheapest one-way
Quickest one-way
MontgomerySt. Louis
MGM - STL
MGMSTL
Montgomery Dannelly Field
Tue 9/15
7:11 am-2:45 pm
1 stop7h 34m
$267
Sorted by cheapest first
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 May.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- 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.
MGM-STL
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.
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 May 12, 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.
Crew
8.5
Overall
7.9
Boarding
8.1
Entertainment
7.8
Food
7.2
Comfort
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Crew
8.5
Overall
7.9
Boarding
8.1
Entertainment
7.8
Food
7.2
Comfort
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Crew
8.5
Overall
7.9
Boarding
8.1
Entertainment
7.8
Food
7.2
Comfort
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
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.
Traveling to a place near St. Louis?
Book flights to St. Louis if you plan to visit one of these locationsEdwardsville
O'Fallon
Fenton
Swansea
Fairview Heights
Maryland Heights
Collinsville
Eureka
Wentzville
Glencoe
Chesterfield
Alton
Farmington
Festus
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Montgomery and St. Louis flights
Browse other Montgomery and St. Louis flight options. Last updated on May 12, 2026.
Other flights from Montgomery
Browse through other flights departing from Montgomery. Flights are based on user searches made on Cheapflights and were last updated on May 12, 2026.
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Other flights to St. Louis
Explore flights to St. Louis departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on May 12, 2026.
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 May 12, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$238 | Average$496 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$278 | Average$480 | FlexibilityNo cancel fee | On-time71% |