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Cheap flights from St. Louis to Alabama from $28

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from St. Louis to Alabama departing on 2/18. 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
0 bags

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Find the cheapest flights from St. Louis to Alabama

Cheap round-trip flights

Enter your travel dates to find the best prices.
Frontier Logo
3:43 pm - 6:28 pm
STL
-
ATL
1h 45mnonstop
Frontier Logo
1:56 pm - 2:48 pm
ATL
-
STL
1h 52mnonstop
$77Frontier
Thu, Jan 8 - Sun, Jan 11
Frontier Logo
8:17 pm - 11:01 pm
STL
-
ATL
1h 44mnonstop
Frontier Logo
6:00 am - 6:51 am
ATL
-
STL
1h 51mnonstop
$84Frontier
Fri, Feb 20 - Sat, Feb 21
Delta Logo
7:10 am - 1:34 pm
STL
-
MOB
6h 24m1 stop
Delta Logo
6:00 am - 11:05 am
MOB
-
STL
5h 05m1 stop
$209Delta
Sat, Jan 17 - Sun, Jan 18
American Airlines Logo
6:00 am - 4:59 pm
STL
-
MOB
10h 59m2 stops
American Airlines Logo
5:40 am - 11:03 am
MOB
-
STL
5h 23m1 stop
$214American Airlines
Sat, Jan 17 - Sun, Jan 18
Delta Logo
6:00 am - 11:01 am
STL
-
CHA
4h 01m1 stop
Delta Logo
5:30 am - 8:53 am
CHA
-
STL
4h 23m1 stop
$249Delta
Fri, Jan 9 - Fri, Jan 16
American Airlines Logo
6:00 am - 12:18 pm
STL
-
HSV
6h 18m1 stop
American Airlines Logo
3:55 pm - 9:42 pm
HSV
-
STL
5h 47m1 stop
$249American Airlines
Thu, Feb 26 - Sat, Feb 28
Southwest Logo
5:05 am - 11:05 am
STL
-
BHM
6h 00m1 stop
Southwest Logo
2:40 pm - 9:00 pm
BHM
-
STL
6h 20m2 stops
$279Southwest
Tue, Feb 17 - Wed, Feb 18
United Airlines Logo
6:00 am - 12:24 pm
STL
-
MOB
6h 24m1 stop
United Airlines Logo
4:50 pm - 10:00 pm
MOB
-
STL
5h 10m1 stop
$279United Airlines
Fri, Jan 2 - Tue, Jan 6
Southwest Logo
7:50 am - 2:40 pm
STL
-
BHM
6h 50m2 stops
Southwest Logo
6:10 am - 4:30 pm
BHM
-
STL
10h 20m2 stops
$295Southwest
Tue, Feb 17 - Wed, Feb 18
United Airlines Logo
4:49 pm - 9:58 pm
STL
-
BHM
5h 09m1 stop
United Airlines Logo
3:00 pm - 10:00 pm
BHM
-
STL
7h 00m1 stop
$307United Airlines
Fri, Jan 16 - Tue, Jan 20

Frontier flights from St. Louis to Alabama

Our best Frontier deals on St. Louis to Alabama flight tickets
Frontier
Jan 8
STL3:43 pmLambert-St Louis
1h 45m
ATL6:28 pmAtlanta Hartsfield-Jackson
Jan 11
ATL1:56 pmAtlanta Hartsfield-Jackson
1h 52m
STL2:48 pmLambert-St Louis
$77
Find similar
Frontier
Feb 20
STL8:17 pmLambert-St Louis
1h 44m
ATL11:01 pmAtlanta Hartsfield-Jackson
Feb 21
ATL6:00 amAtlanta Hartsfield-Jackson
1h 51m
STL6:51 amLambert-St Louis
$84
Find similar
Frontier
Feb 20
STL8:17 pmLambert-St Louis
1h 44m
ATL11:01 pmAtlanta Hartsfield-Jackson
Feb 23
ATL6:00 amAtlanta Hartsfield-Jackson
1h 51m
STL6:51 amLambert-St Louis
$85
Find similar

Southwest flights from St. Louis to Alabama

Our best Southwest deals on St. Louis to Alabama flight tickets
Southwest
Jan 14
STL8:20 amLambert-St Louis
1h 35m
ATL10:55 amAtlanta Hartsfield-Jackson
Jan 21
ATL8:40 amAtlanta Hartsfield-Jackson
1h 50m
STL9:30 amLambert-St Louis
$133
Find similar
Southwest
Jan 7
STL5:55 pmLambert-St Louis
1h 35m
ATL8:30 pmAtlanta Hartsfield-Jackson
Jan 13
ATL11:20 amAtlanta Hartsfield-Jackson
6h 10m
1 stop
STL4:30 pmLambert-St Louis
$143
Find similar
Southwest
Jan 7
STL5:55 pmLambert-St Louis
1h 35m
ATL8:30 pmAtlanta Hartsfield-Jackson
Jan 13
ATL11:35 amAtlanta Hartsfield-Jackson
6h 30m
2 stops
STL5:05 pmLambert-St Louis
$148
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from St. Louis to Alabama 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 December 18, 2025.
Use the filters below to find and compare flights from St. Louis to Alabama that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

St. LouisAtlanta

STL - ATL

STLATL

Lambert-St Louis

Thu 1/8

3:43 pm-6:28 pm

Nonstop1h 45m

Atlanta Hartsfield-Jackson

Sun 1/11

1:56 pm-2:48 pm

Nonstop1h 52m

$77

St. LouisAtlanta

STL - ATL

STLATL

Lambert-St Louis

Fri 2/20

8:17 pm-11:01 pm

Nonstop1h 44m

Atlanta Hartsfield-Jackson

Sat 2/21

6:00 am-6:51 am

Nonstop1h 51m

$84

St. LouisMobile

STL - MOB

STLMOB

Lambert-St Louis

Sat 1/17

7:10 am-1:34 pm

1 stop6h 24m

Mobile

Sun 1/18

6:00 am-11:05 am

1 stop5h 05m

$209

St. LouisMobile

STL - MOB

STLMOB

Lambert-St Louis

Sat 1/17

6:00 am-4:59 pm

2 stops10h 59m

Mobile

Sun 1/18

5:40 am-11:03 am

1 stop5h 23m

$214

St. LouisChattanooga

STL - CHA

STLCHA

Lambert-St Louis

Fri 1/9

6:00 am-11:01 am

1 stop4h 01m

Chattanooga Lovell Field

Fri 1/16

5:30 am-8:53 am

1 stop4h 23m

$249

St. LouisHuntsville

STL - HSV

STLHSV

Lambert-St Louis

Thu 2/26

6:00 am-12:18 pm

1 stop6h 18m

Huntsville

Sat 2/28

3:55 pm-9:42 pm

1 stop5h 47m

$249

St. LouisBirmingham

STL - BHM

STLBHM

Lambert-St Louis

Tue 2/17

5:05 am-11:05 am

1 stop6h 00m

Birmingham

Wed 2/18

2:40 pm-9:00 pm

2 stops6h 20m

$279

St. LouisMobile

STL - MOB

STLMOB

Lambert-St Louis

Fri 1/2

6:00 am-12:24 pm

1 stop6h 24m

Mobile

Tue 1/6

4:50 pm-10:00 pm

1 stop5h 10m

$279

St. LouisBirmingham

STL - BHM

STLBHM

Lambert-St Louis

Tue 2/17

7:50 am-2:40 pm

2 stops6h 50m

Birmingham

Wed 2/18

6:10 am-4:30 pm

2 stops10h 20m

$295

St. LouisBirmingham

STL - BHM

STLBHM

Lambert-St Louis

Fri 1/16

4:49 pm-9:58 pm

1 stop5h 09m

Birmingham

Tue 1/20

3:00 pm-10:00 pm

1 stop7h 00m

$307

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Alabama from

How to get the cheapest flight ticket from St. Louis to Alabama

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 Alabama?

In general, September is the cheapest month to fly from St. Louis to Alabama. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $207. If you’re not able to fly to Alabama in September, then April is your next best option. Flight prices from St. Louis to Alabama during April average around $275.

What is the cheapest day to depart on your flight to Alabama?

Our data shows that Tuesday is the least expensive day to fly to Alabama. Tickets to fly out on this day can be as low as $323. The most expensive day to fly to Alabama is Sunday, with ticket prices averaging around $484.

What is the cheapest time of day to depart on your flight to Alabama?

Our data shows that the cheapest St. Louis to Alabama flights are usually those with departure times in the evening. Our users have found flights to Alabama in the evening for as low as $333. Flights at noon are often more expensive with an average ticket price of $443.

What is the cheapest Lambert-St Louis to Alabama flight route?

Fly from Lambert-St Louis to Montgomery Dannelly Field for the best Lambert-St Louis - Alabama flight prices

What cabin class options are available on Lambert-St Louis to Alabama flights?

There is only 1 cabin class available to choose from on Lambert-St Louis to Alabama flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Cheap St. Louis to Alabama flight deals and tips

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

Fastest flight time

1h 33m

Direct flights

Every day

Airports in Alabama

51 airports
The fastest flight from St. Louis to Alabama takes 1h 33m
Direct flights go from St. Louis to Alabama every day.
There are 51 airports in Alabama. From St. Louis there are direct flights to Atlanta Hartsfield-Jackson (ATL).
Search flight deals

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

    Prices for flights from Lambert-St Louis Airport to Alabama refresh daily.

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

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

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Lambert-St Louis Airport to Alabama.

  • What documentation or ID do you need to fly to Alabama?

    The travel and health documents you'll need for your trip to Alabama may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Alabama. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from St. Louis to Alabama?

Best airlines flying from St. Louis to Alabama

Compare and see reviews for airlines that fly from St. Louis to Alabama with momondo
Airline
Rating
Free Cancellation
Price
Allegiant AirPriceFrom $87Free CancellationRating
7.2
700 reviews
Search Allegiant Air flights
SouthwestPriceFrom $196Free CancellationRating
7.9
4,250 reviews
Search Southwest flights
DeltaPriceFrom $228Free CancellationRating
7.9
8,008 reviews
Search Delta flights
American AirlinesPriceFrom $238Free CancellationRating
7.2
11,055 reviews
Search American Airlines flights
United AirlinesPriceFrom $258Free CancellationRating
7.4
9,093 reviews
Search United Airlines flights

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from St. Louis to Alabama for you.

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

Yes. momondo allows you to filter the results for St. Louis to Alabama flights to just show those with flexible booking policies.

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

momondo helps you find the best flight between St. Louis and Alabama by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

Yes. momondo can track prices for St. Louis to Alabama flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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