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 $250. Another airline that can offer you cheap pricing is Delta. American Airlines is priced at 37% lower than the current average price of a flight leaving 3 months from now.

What is the cheapest day to fly from Montgomery, Alabama to St. Louis?

Travelers seeking maximum savings on their Montgomery, Alabama to St. Louis flight should consider departing on Wednesday mornings when fares are most often at their lowest. Saturday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

In terms of precipitation, rainfall in St. Louis ranges from 2.2 - 4.7 inches per month. May is typically the wettest month, when rainfall can reach 4.7 in. February is typically the driest time to visit St. Louis when rainfall is around 2.2 in.

If weather is an important factor for your trip to St. Louis, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 32.0 F).

What is the cheapest day to fly round-trip from Montgomery, Alabama to St. Louis?

Users have found that flying from Montgomery, Alabama to St. Louis on a Saturday typically leans towards higher prices. However, this doesn’t mean you still can’t find a deal. Flexibility with other aspects of your flight can still land a great price for your trip.

What is the cheapest month to fly from Montgomery, Alabama to St. Louis?

Due to multiple factors, expect to potentially pay more when booking in May. For low rates, January can be a great choice for travel to St. Louis. Flights to St. Louis from Montgomery, Alabama in January are about $401 on average during January, but can be found for as low as $303.

What is the cheapest time of day to fly from MGM to STL?

It’s typically best to fly out from Montgomery, Alabama to St. Louis in the afternoon. Doing so could potentially save you 7% on the flight price compared to flying in the morning, which is usually more expensive.

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.

$160+ Cheap Flights from Montgomery, AL to St. Louis

Q: How much does it cost to fly round-trip from Montgomery, Alabama to St. Louis?

Airfare is below average for this route at the moment. Montgomery, Alabama to St. Louis flights typically cost between $475 and $496 in November. The cheapest round-trip price found within the last 3 days was $332 on Delta (Nov 24-Nov 29).

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Cheap flight deals from Montgomery to St. Louis

Round-trip from	$332 (Delta)
One-way from	$160 (American Airlines)
Popular in	May
Cheapest in	January
Average price	$485

From Montgomery Dannelly Field to Lambert-St Louis

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One-way flight from Montgomery Dannelly Field to Lambert-St Louis

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Highest demand for flights based on searches. 10% potential increase in price ($47 potential increase over avg. RT price).

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Cheapest flight prices on average. 3% potential price decrease ($16 potential savings vs. average RT price).

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Average for round-trip flights in August 2025

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Find 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 August 14, 2025.

Wed 9/36:25 pmMGM - STL

1 stop3h 37mDelta

Sat 9/66:00 amSTL - MGM

1 stop4h 24mDelta

Deal found 8/12

$316

Wed 9/36:36 amMGM - STL

1 stop6h 33mAmerican Airlines

Sat 9/61:03 pmSTL - MGM

2 stops9h 48mAmerican Airlines

Deal found 8/12

$322

Mon 11/245:55 pmMGM - STL

1 stop4h 04mDelta

Sat 11/297:20 amSTL - MGM

1 stop6h 24mDelta

Deal found 8/13

$332

Mon 9/16:43 amMGM - STL

1 stop5h 07mAmerican Airlines

Fri 9/55:18 amSTL - MGM

1 stop5h 27mAmerican Airlines

Deal found 8/13

$351

Wed 9/311:16 amMGM - STL

1 stop7h 07mAmerican Airlines

Sun 9/75:27 amSTL - MGM

1 stop5h 01mAmerican Airlines

Deal found 8/12

$376

Tue 8/1211:14 amMGM - STL

1 stop7h 16mAmerican Airlines

Sat 8/1610:08 amSTL - MGM

1 stop6h 43mAmerican Airlines

Deal found 8/12

$414

Mon 9/151:55 pmMGM - STL

1 stop4h 46mAmerican Airlines

Wed 9/176:00 amSTL - MGM

2 stops7h 26mAmerican Airlines

Deal found 8/12

$462

Best flights from Montgomery to St. Louis
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 August 14, 2025.

Wed 9/36:00 amMGM - STL

1 stop6h 31mDelta

Sat 9/67:00 amSTL - MGM

1 stop3h 24mDelta

Deal found 8/12

$316

Thu 9/41:55 pmMGM - STL

1 stop4h 46mAmerican Airlines

Sat 9/61:03 pmSTL - MGM

2 stops9h 48mAmerican Airlines

Deal found 8/12

$322

Thu 9/411:04 amMGM - STL

1 stop3h 33mDelta

Sat 9/67:00 amSTL - MGM

1 stop6h 20mDelta

Deal found 8/12

$316

Wed 9/36:36 amMGM - STL

1 stop6h 33mAmerican Airlines

Sat 9/61:03 pmSTL - MGM

2 stops9h 48mAmerican Airlines

Deal found 8/12

$322

Mon 11/245:55 pmMGM - STL

1 stop4h 04mDelta

Sat 11/297:20 amSTL - MGM

1 stop6h 24mDelta

Deal found 8/13

$332

Mon 9/16:43 amMGM - STL

1 stop5h 07mAmerican Airlines

Fri 9/55:18 amSTL - MGM

1 stop5h 27mAmerican Airlines

Deal found 8/13

$351

Wed 9/311:16 amMGM - STL

1 stop7h 07mAmerican Airlines

Sun 9/75:27 amSTL - MGM

1 stop5h 01mAmerican Airlines

Deal found 8/12

$376

Thu 9/46:36 amMGM - STL

1 stop6h 36mAmerican Airlines

Sun 9/75:27 amSTL - MGM

1 stop5h 01mAmerican Airlines

Deal found 8/12

$376

Last-minute flights from Montgomery to St. Louis
Discover last-minute flight deals from Montgomery to St. Louis. Data last updated August 14, 2025 and is based on user searches.

Thu 8/146:25 pmMGM - STL

1 stop4h 49mDelta

Sun 8/177:00 amSTL - MGM

1 stop6h 20mDelta

Deal found 8/12

$476

Thu 8/219:33 amMGM - STL

1 stop5h 04mDelta

Sat 8/231:26 pmSTL - MGM

1 stop4h 19mDelta

Deal found 8/14

$425

Thu 8/216:37 amMGM - STL

2 stops10h 09mAmerican Airlines

Sat 8/235:15 amSTL - MGM

1 stop5h 27mAmerican Airlines

Deal found 8/14

$431

Mon 9/16:43 amMGM - STL

1 stop5h 07mAmerican Airlines

Fri 9/55:18 amSTL - MGM

1 stop5h 27mAmerican Airlines

Deal found 8/13

$351

Wed 9/36:25 pmMGM - STL

1 stop3h 37mDelta

Sat 9/66:00 amSTL - MGM

1 stop4h 24mDelta

Deal found 8/12

$316

Wed 9/36:36 amMGM - STL

1 stop6h 33mAmerican Airlines

Sat 9/61:03 pmSTL - MGM

2 stops9h 48mAmerican Airlines

Deal found 8/12

$322

Wed 9/311:16 amMGM - STL

1 stop7h 07mAmerican Airlines

Sun 9/75:27 amSTL - MGM

1 stop5h 01mAmerican Airlines

Deal found 8/12

$376

Mon 9/151:55 pmMGM - STL

1 stop4h 46mAmerican Airlines

Wed 9/176:00 amSTL - MGM

2 stops7h 26mAmerican Airlines

Deal found 8/12

$462

Mon 9/1512:29 pmMGM - STL

1 stop3h 36mDelta

Wed 9/177:10 amSTL - MGM

1 stop4h 39mDelta

Deal found 8/12

$466

One-way flights from Montgomery to St. Louis
Search for one-way flight options from Montgomery to St. Louis. Find affordable one-way fares based on user searches. Data last updated August 14, 2025.

Fri 9/126:36 amMGM - STL

1 stop6h 36mAmerican Airlines

Deal found 8/12

$160

Wed 11/126:00 amMGM - STL

2 stops9h 02mAmerican Airlines

Deal found 8/13

$166

Sat 10/111:02 pmMGM - STL

1 stop6h 28mAmerican Airlines

Deal found 8/13

$190

Tue 10/146:19 amMGM - STL

2 stops9h 44mAmerican Airlines

Deal found 8/13

$196

Wed 11/1212:30 pmMGM - STL

2 stops8h 20mDelta

Deal found 8/14

$198

Wed 9/1011:16 amMGM - STL

1 stop7h 06mAmerican Airlines

Deal found 8/14

$200

Mon 11/105:55 pmMGM - STL

2 stops22h 45mDelta

Deal found 8/14

$203

Wed 9/102:00 pmMGM - STL

2 stops17h 56mDelta

Deal found 8/12

$217

Fri 11/146:19 amMGM - STL

1 stop6h 18mAmerican Airlines

Deal found 8/14

$224

Thu 10/91:02 pmMGM - STL

2 stops9h 53mAmerican Airlines

Deal found 8/13

$230

Cheapflights Fare Finder

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

MontgomerySt. Louis

MGM - STL

MGMSTL

Montgomery Dannelly Field

Wed 9/3

6:00 am-12:31 pm

1 stop6h 31m

Lambert-St Louis

Sat 9/6

7:00 am-10:24 am

1 stop3h 24m

$316

MontgomerySt. Louis

MGM - STL

MGMSTL

Montgomery Dannelly Field

Thu 9/4

11:04 am-2:37 pm

1 stop3h 33m

Lambert-St Louis

Sat 9/6

7:00 am-1:20 pm

1 stop6h 20m

$316

MontgomerySt. Louis

MGM - STL

MGMSTL

Montgomery Dannelly Field

Thu 9/4

1:55 pm-6:41 pm

1 stop4h 46m

Lambert-St Louis

Sat 9/6

1:03 pm-10:51 pm

2 stops9h 48m

$322

MontgomerySt. Louis

MGM - STL

MGMSTL

Montgomery Dannelly Field

Wed 9/3

6:36 am-1:09 pm

1 stop6h 33m

Lambert-St Louis

Sat 9/6

1:03 pm-10:51 pm

2 stops9h 48m

$322

MontgomerySt. Louis

MGM - STL

MGMSTL

Montgomery Dannelly Field

Mon 11/24

5:55 pm-9:59 pm

1 stop4h 04m

Lambert-St Louis

Sat 11/29

7:20 am-1:44 pm

1 stop6h 24m

$332

MontgomerySt. Louis

MGM - STL

MGMSTL

Montgomery Dannelly Field

Mon 9/1

6:43 am-11:50 am

1 stop5h 07m

Lambert-St Louis

Fri 9/5

5:18 am-10:45 am

1 stop5h 27m

$351

MontgomerySt. Louis

MGM - STL

MGMSTL

Montgomery Dannelly Field

Wed 9/3

11:16 am-6:23 pm

1 stop7h 07m

Lambert-St Louis

Sun 9/7

5:27 am-10:28 am

1 stop5h 01m

$376

MontgomerySt. Louis

MGM - STL

MGMSTL

Montgomery Dannelly Field

Thu 9/4

6:36 am-1:12 pm

1 stop6h 36m

Lambert-St Louis

Sun 9/7

5:27 am-10:28 am

1 stop5h 01m

$376

MontgomerySt. Louis

MGM - STL

MGMSTL

Montgomery Dannelly Field

Wed 11/12

1:05 pm-7:30 pm

1 stop6h 25m

$160

MontgomerySt. Louis

MGM - STL

MGMSTL

Montgomery Dannelly Field

Thu 11/13

1:05 pm-7:30 pm

1 stop6h 25m

$160

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/13

Showing 1-10 of 16 results

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, August is the cheapest month in which you can book a flight from Montgomery, Alabama to St. Louis (average of $311). Flying from Montgomery, Alabama to St. Louis in March is currently the most expensive (average of $356). 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.

How much does it cost to fly round-trip from Montgomery, Alabama to St. Louis?

Reviews of airlines servicing St. Louis

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

8.0

Very good

7,980 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Delta

8.0

Very good

7,980 reviews

Delta

8.0

Very good

7,980 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

American Airlines

7.2

Good

10,000 reviews

Delta

8.0

Very good

7,980 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Related info for your journey

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 $250. Another airline that can offer you cheap pricing is Delta. American Airlines is priced at 37% 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, August is the cheapest month in which you can book a flight from Montgomery, Alabama to St. Louis (average of $311). Flying from Montgomery, Alabama to St. Louis in March is currently the most expensive (average of $356). 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

O'Fallon

Fairview Heights

Maryland Heights

Collinsville

Eureka

St. Peters

Glencoe

Alton

Chesterfield

Farmington

Festus

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Top 2 airlines flying from Montgomery to St. Louis

Airline	Cheapest	Average	Flexibility	On-time
American Airlines	Cheapest$250	Average$362	FlexibilityNo cancel fee	On-time71%
Delta	Cheapest$300	Average$464	FlexibilityNo cancel fee	On-timeN/A

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$160+ 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 11/12. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Montgomery to St. Louis with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Montgomery to St. Louis

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from Montgomery to St. Louis

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 August 14, 2025.

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 August 14, 2025.

Cheapflights Fare Finder

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

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.

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?

How much does it cost to fly round-trip from Montgomery, Alabama to St. Louis?

Reviews of airlines servicing St. Louis

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.

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.

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

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

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

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

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

Traveling to a place near St. Louis?

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Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Montgomery to St. Louis

See prices for flight routes from nearby airports that may be better suited for you.

Top 2 airlines flying from Montgomery to St. Louis

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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 August 14, 2025.