$253+ 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 7/30. Fares are subject to change and may not be available on all flights or dates of travel.
MGM — STL
Jul 29 — Aug 51
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
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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
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Best
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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 June 29, 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 June 29, 2026.
This United Airlines deal was found by Cheapflights users on 6/26. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/244:51 pm
MGM
- STL
1 stop5h 54m
United Airlines
Fri 7/316:14 am
STL
- MGM
1 stop6h 26m
United Airlines
Deal found 6/26![United Airlines logo]()
$293
This United Airlines deal was found by Cheapflights users on 6/25. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/101:20 pm
MGM
- STL
1 stop7h 20m
United Airlines
Tue 7/146:14 am
STL
- MGM
1 stop6h 26m
United Airlines
Deal found 6/25![United Airlines logo]()
$308
This Delta deal was found by Cheapflights users on 6/28. 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 7/236:28 pm
MGM
- STL
1 stop5h 25m
Delta
Fri 7/316:58 pm
STL
- MGM
1 stop4h 17m
Delta
Deal found 6/28![Delta logo]()
$312
This United Airlines deal was found by Cheapflights users on 6/28. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/84:55 pm
MGM
- STL
1 stop5h 11m
United Airlines
Sat 12/126:15 am
STL
- MGM
1 stop6h 30m
United Airlines
Deal found 6/28![United Airlines logo]()
$363
This Delta deal was found by Cheapflights users on 6/24. 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 7/36:27 pm
MGM
- STL
1 stop5h 29m
Delta
Thu 7/91:22 pm
STL
- MGM
1 stop4h 23m
Delta
Deal found 6/24![Delta logo]()
$368
This United Airlines deal was found by Cheapflights users on 6/24. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/144:55 pm
MGM
- STL
1 stop5h 25m
United Airlines
Tue 11/176:15 am
STL
- MGM
1 stop6h 30m
United Airlines
Deal found 6/24![United Airlines logo]()
$378
This American Airlines deal was found by Cheapflights users on 6/26. 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 7/186:01 pm
MGM
- STL
1 stop5h 57m
American Airlines
Tue 7/219:25 am
STL
- MGM
1 stop5h 26m
American Airlines
Deal found 6/26![American Airlines logo]()
$403
This American Airlines deal was found by Cheapflights users on 6/25. 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 7/1012:31 pm
MGM
- STL
1 stop5h 59m
American Airlines
Tue 7/146:55 am
STL
- MGM
2 stops7h 56m
American Airlines
Deal found 6/25![American Airlines logo]()
$476
This American Airlines deal was found by Cheapflights users on 6/28. 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 7/26:47 pm
MGM
- STL
1 stop5h 05m
American Airlines
Mon 7/66:13 pm
STL
- MGM
1 stop5h 20m
American Airlines
Deal found 6/28![American Airlines logo]()
$494
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 June 29, 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 June 29, 2026.
This United Airlines deal was found by Cheapflights users on 6/26. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/244:51 pm
MGM
- STL
1 stop5h 54m
United Airlines
Fri 7/316:14 am
STL
- MGM
1 stop6h 26m
United Airlines
Deal found 6/26![United Airlines logo]()
$293
This Delta deal was found by Cheapflights users on 6/27. 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 9/242:42 pm
MGM
- STL
1 stop5h 16m
Delta
Sun 9/277:05 am
STL
- MGM
1 stop4h 43m
Delta
Deal found 6/27![Delta logo]()
$312
This American Airlines deal was found by Cheapflights users on 6/25. 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 7/1012:31 pm
MGM
- STL
1 stop5h 59m
American Airlines
Tue 7/146:55 am
STL
- MGM
2 stops7h 56m
American Airlines
Deal found 6/25![American Airlines logo]()
$476
This United Airlines deal was found by Cheapflights users on 6/25. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/101:20 pm
MGM
- STL
1 stop7h 20m
United Airlines
Tue 7/146:14 am
STL
- MGM
1 stop6h 26m
United Airlines
Deal found 6/25![United Airlines logo]()
$308
This Delta deal was found by Cheapflights users on 6/27. 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 11/239:30 am
MGM
- STL
1 stop6h 28m
Delta
Sat 11/287:20 am
STL
- MGM
1 stop6h 25m
Delta
Deal found 6/27![Delta logo]()
$312
This Delta deal was found by Cheapflights users on 6/28. 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 7/236:28 pm
MGM
- STL
1 stop5h 25m
Delta
Fri 7/316:58 pm
STL
- MGM
1 stop4h 17m
Delta
Deal found 6/28![Delta logo]()
$312
This United Airlines deal was found by Cheapflights users on 6/28. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/84:55 pm
MGM
- STL
1 stop5h 11m
United Airlines
Sat 12/126:15 am
STL
- MGM
1 stop6h 30m
United Airlines
Deal found 6/28![United Airlines logo]()
$363
This United Airlines deal was found by Cheapflights users on 6/24. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/144:55 pm
MGM
- STL
1 stop5h 25m
United Airlines
Tue 11/176:15 am
STL
- MGM
1 stop6h 30m
United Airlines
Deal found 6/24![United Airlines logo]()
$378
Last-minute flights from Montgomery to St. LouisDiscover last-minute flight deals from Montgomery to St. Louis. Data last updated June 29, 2026 and is based on user searches.
Discover last-minute flight deals from Montgomery to St. Louis. Data last updated June 29, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 6/28. 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 7/26:47 pm
MGM
- STL
1 stop5h 05m
American Airlines
Mon 7/66:13 pm
STL
- MGM
1 stop5h 20m
American Airlines
Deal found 6/28![American Airlines logo]()
$494
This United Airlines deal was found by Cheapflights users on 6/25. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/101:20 pm
MGM
- STL
1 stop7h 20m
United Airlines
Tue 7/146:14 am
STL
- MGM
1 stop6h 26m
United Airlines
Deal found 6/25![United Airlines logo]()
$308
This American Airlines deal was found by Cheapflights users on 6/25. 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 7/1012:31 pm
MGM
- STL
1 stop5h 59m
American Airlines
Tue 7/146:55 am
STL
- MGM
2 stops7h 56m
American Airlines
Deal found 6/25![American Airlines logo]()
$476
This American Airlines deal was found by Cheapflights users on 6/26. 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 7/186:01 pm
MGM
- STL
1 stop5h 57m
American Airlines
Tue 7/219:25 am
STL
- MGM
1 stop5h 26m
American Airlines
Deal found 6/26![American Airlines logo]()
$403
This Delta deal was found by Cheapflights users on 6/26. 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.
Sun 7/196:28 pm
MGM
- STL
1 stop3h 47m
Delta
Tue 7/217:08 am
STL
- MGM
1 stop4h 54m
Delta
Deal found 6/26![Delta logo]()
$564
This United Airlines deal was found by Cheapflights users on 6/26. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/214:51 pm
MGM
- STL
1 stop5h 54m
United Airlines
Fri 7/241:38 pm
STL
- MGM
2 stops23h 02m
United Airlines
Deal found 6/26![United Airlines logo]()
$652
This Delta deal was found by Cheapflights users on 6/28. 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 7/236:28 pm
MGM
- STL
1 stop5h 25m
Delta
Fri 7/316:58 pm
STL
- MGM
1 stop4h 17m
Delta
Deal found 6/28![Delta logo]()
$312
This American Airlines deal was found by Cheapflights users on 6/28. 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 7/235:23 am
MGM
- STL
2 stops11h 39m
American Airlines
Mon 7/276:13 pm
STL
- MGM
1 stop5h 20m
American Airlines
Deal found 6/28![American Airlines logo]()
$571
This American Airlines deal was found by Cheapflights users on 6/28. 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 7/2312:31 pm
MGM
- STL
1 stop6h 01m
American Airlines
Fri 7/316:14 am
STL
- MGM
2 stops8h 37m
American Airlines
Deal found 6/28![American Airlines logo]()
$572
This United Airlines deal was found by Cheapflights users on 6/26. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/244:51 pm
MGM
- STL
1 stop5h 54m
United Airlines
Fri 7/316:14 am
STL
- MGM
1 stop6h 26m
United Airlines
Deal found 6/26![United Airlines logo]()
$293
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 June 29, 2026.
Search for one-way flight options from Montgomery to St. Louis. Find affordable one-way fares based on user searches. Data last updated June 29, 2026.
This United Airlines deal was found by Cheapflights users on 6/25. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/291:20 pm
MGM
- STL
1 stop7h 20m
United Airlines
Deal found 6/25![United Airlines logo]()
$253
This American Airlines deal was found by Cheapflights users on 6/25. 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 7/295:23 am
MGM
- STL
2 stops11h 39m
American Airlines
Deal found 6/25![American Airlines logo]()
$380
This United Airlines deal was found by Cheapflights users on 6/29. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/301:20 pm
MGM
- STL
3 stops22h 51m
United Airlines
Deal found 6/29![United Airlines logo]()
$868
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 June 29, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $293 (United Airlines) |
One-way from | $253 (United Airlines) |
Popular in | June |
Cheapest in | February |
Average price | $545 |
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 June 29, 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
Fri 7/24
4:51 pm-10:45 pm
1 stop5h 54m
Lambert-St Louis
Fri 7/31
6:14 am-12:40 pm
1 stop6h 26m
$293
MontgomerySt. Louis
MGM - STL
MGMSTL
Montgomery Dannelly Field
Fri 7/10
1:20 pm-8:40 pm
1 stop7h 20m
Lambert-St Louis
Tue 7/14
6:14 am-12:40 pm
1 stop6h 26m
$308
MontgomerySt. Louis
MGM - STL
MGMSTL
Montgomery Dannelly Field
Thu 9/24
2:42 pm-7:58 pm
1 stop5h 16m
Lambert-St Louis
Sun 9/27
7:05 am-11:48 am
1 stop4h 43m
$312
MontgomerySt. Louis
MGM - STL
MGMSTL
Montgomery Dannelly Field
Mon 11/23
9:30 am-3:58 pm
1 stop6h 28m
Lambert-St Louis
Sat 11/28
7:20 am-1:45 pm
1 stop6h 25m
$312
Quickest round-trip
MontgomerySt. Louis
MGM - STL
MGMSTL
Montgomery Dannelly Field
Thu 7/23
6:28 pm-11:53 pm
1 stop5h 25m
Lambert-St Louis
Fri 7/31
6:58 pm-11:15 pm
1 stop4h 17m
$312
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
Sat 11/14
4:55 pm-10:20 pm
1 stop5h 25m
Lambert-St Louis
Tue 11/17
6:15 am-12:45 pm
1 stop6h 30m
$378
MontgomerySt. Louis
MGM - STL
MGMSTL
Montgomery Dannelly Field
Fri 7/10
12:31 pm-6:30 pm
1 stop5h 59m
Lambert-St Louis
Tue 7/14
6:55 am-2:51 pm
2 stops7h 56m
$476
Cheapest one-way
Quickest one-way
MontgomerySt. Louis
MGM - STL
MGMSTL
Montgomery Dannelly Field
Thu 7/30
4:51 pm-10:45 pm
1 stop5h 54m
$253
MontgomerySt. Louis
MGM - STL
MGMSTL
Montgomery Dannelly Field
Wed 7/29
1:20 pm-8:40 pm
1 stop7h 20m
$253
Showing 1-10 of 11 resultsSorted 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 June.
| 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 June 29, 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.
Comfort
7.8
Crew
8.5
Overall
7.8
Boarding
8.1
Food
7.2
Entertainment
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Comfort
7.8
Crew
8.5
Overall
7.8
Boarding
8.1
Food
7.2
Entertainment
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Comfort
7.8
Crew
8.5
Overall
7.8
Boarding
8.1
Food
7.2
Entertainment
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
Eureka
Maryland Heights
Collinsville
Wentzville
Glencoe
Chesterfield
Alton
Farmington
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Montgomery and St. Louis flights
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Check out other popular destinations found by fellow travelers in 2026
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Explore flights to St. Louis departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on June 29, 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 June 29, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$238 | Average$524 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$278 | Average$480 | FlexibilityNo cancel fee | On-time71% |