What is the cheapest airline that flies from Alabama to Lambert-St Louis?

Frontier, Southwest, and American Airlines are the most popular carriers operating from Alabama to Lambert-St Louis

What airlines fly to St. Louis?

Delta, American Airlines and Southwest are the top three most popular airlines that fly to St. Louis from Alabama according to our data. Delta is the first choice among our users, with 51% of people opting to fly with this airline when traveling to St. Louis. Keep in mind that there are 4 different airlines that fly to St. Louis on a routine basis, so you have a few additional options to choose from.

How long does it take to fly to St. Louis?

Flight times from Alabama to St. Louis vary, but if you’re flying out of Montgomery and flying into St. Louis (one of the most popular routes), then the duration is 3h 33m on average. Another popular route from Alabama to St. Louis is flying from Huntsville to St. Louis, which will take roughly 3h 59m. Keep in mind that layovers or delays could extend your travel time.

How many flights depart from Alabama to St. Louis on average per week?

The number of flights available between Alabama and St. Louis is 161 per week as of August 2025. The most frequent departure day is Thu, with 29% of weekly flights leaving on this day.

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

Prices for flights from Alabama to Lambert-St Louis Airport were last updated today.

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

The number of operators available for flights from Alabama to Lambert-St Louis Airport is 6 as of August 2025.

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

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Alabama to Lambert-St Louis Airport.

What documentation or ID do you need to fly to Lambert-St Louis Airport?

The travel and health documents you'll need for your trip to Lambert-St Louis Airport 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 Lambert-St Louis Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$46 Cheap Flights from Alabama to St. Louis in 2025

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Find the cheapest flights from Alabama to St. Louis

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

2:16 pm - 3:04 pmATL-STL

1h 48mnonstop

4:00 pm - 6:44 pmSTL-ATL

1h 44mnonstop

$107Frontier

Find Deal

Thu, Sep 4 - Thu, Sep 11

2:16 pm - 3:04 pmATL-STL

1h 48mnonstop

4:00 pm - 6:44 pmSTL-ATL

1h 44mnonstop

$108Frontier

Find Deal

Thu, Sep 4 - Mon, Sep 8

4:15 pm - 10:55 pmVPS-STL

6h 40m1 stop

12:40 pm - 2:25 pmSTL-VPS

1h 45mnonstop

$135Southwest

Find Deal

Thu, Oct 23 - Sun, Oct 26

12:45 pm - 1:25 pmATL-STL

1h 40mnonstop

4:35 pm - 7:10 pmSTL-ATL

1h 35mnonstop

$136Southwest

Find Deal

Thu, Sep 4 - Thu, Sep 4

3:25 pm - 4:05 pmATL-STL

1h 40mnonstop

3:59 pm - 6:36 pmSTL-ATL

1h 37mnonstop

$147Delta

Find Deal

Fri, Oct 3 - Mon, Oct 6

12:05 pm - 12:56 pmATL-STL

1h 51mnonstop

2:30 pm - 11:05 pmSTL-ATL

7h 35m1 stop

$149

Find Deal

Fri, Aug 29 - Sun, Aug 31

6:35 am - 1:32 pmATL-STL

7h 57m1 stop

4:00 pm - 6:44 pmSTL-ATL

1h 44mnonstop

$155

Find Deal

Thu, Aug 28 - Thu, Sep 4

8:35 am - 9:15 amATL-STL

1h 40mnonstop

6:00 am - 8:38 amSTL-ATL

1h 38mnonstop

$157Delta

Find Deal

Thu, Aug 28 - Thu, Sep 4

10:59 am - 4:15 pmVPS-STL

5h 16m1 stop

6:29 am - 11:19 amSTL-VPS

4h 50m1 stop

$157American Airlines

Find Deal

Thu, Sep 11 - Wed, Sep 17

7:00 am - 12:35 pmATL-STL

6h 35m1 stop

3:59 pm - 12:06 amSTL-ATL

7h 07m1 stop

$159American Airlines

Find Deal

Thu, Aug 28 - Thu, Sep 4

Southwest flights from Alabama to St. Louis

Our best Southwest deals on Alabama to St. Louis flight tickets

Southwest

Oct 23

VPS4:15 pmValparaiso Destin-Ft Walton Beach

6h 40m

1 stop

STL10:55 pmLambert-St Louis

Oct 26

STL12:40 pmLambert-St Louis

1h 45m

VPS2:25 pmValparaiso Destin-Ft Walton Beach

$135

Find similar

Southwest

Sep 4

ATL12:45 pmAtlanta Hartsfield-Jackson

1h 40m

STL1:25 pmLambert-St Louis

Sep 4

STL4:35 pmLambert-St Louis

1h 35m

ATL7:10 pmAtlanta Hartsfield-Jackson

$136

Find similar

Southwest

Sep 5

ATL6:05 amAtlanta Hartsfield-Jackson

4h 55m

1 stop

STL10:00 amLambert-St Louis

Sep 7

STL8:00 amLambert-St Louis

1h 35m

ATL10:35 amAtlanta Hartsfield-Jackson

$145

Find similar

Frontier flights from Alabama to St. Louis

Our best Frontier deals on Alabama to St. Louis flight tickets

Frontier

Sep 4

ATL2:16 pmAtlanta Hartsfield-Jackson

1h 48m

STL3:04 pmLambert-St Louis

Sep 11

STL4:00 pmLambert-St Louis

1h 44m

ATL6:44 pmAtlanta Hartsfield-Jackson

$107

Find similar

Frontier

Sep 4

ATL2:16 pmAtlanta Hartsfield-Jackson

1h 48m

STL3:04 pmLambert-St Louis

Sep 8

STL4:00 pmLambert-St Louis

1h 44m

ATL6:44 pmAtlanta Hartsfield-Jackson

$108

Find similar

Frontier

Aug 23

ATL12:42 pmAtlanta Hartsfield-Jackson

1h 51m

STL1:33 pmLambert-St Louis

Aug 25

STL2:01 pmLambert-St Louis

1h 54m

ATL4:55 pmAtlanta Hartsfield-Jackson

$109

Find similar

Fly from

Fly to

Route

Depart

Return

Price

AtlantaSt. Louis

ATL - STL

ATLSTL

Atlanta Hartsfield-Jackson

Thu 9/4

2:16 pm-3:04 pm

Nonstop1h 48m

Lambert-St Louis

Thu 9/11

4:00 pm-6:44 pm

Nonstop1h 44m

$107

AtlantaSt. Louis

ATL - STL

ATLSTL

Atlanta Hartsfield-Jackson

Thu 9/4

2:16 pm-3:04 pm

Nonstop1h 48m

Lambert-St Louis

Mon 9/8

4:00 pm-6:44 pm

Nonstop1h 44m

$108

ValparaisoSt. Louis

VPS - STL

VPSSTL

Valparaiso Destin-Ft Walton Beach

Thu 10/23

4:15 pm-10:55 pm

1 stop6h 40m

Lambert-St Louis

Sun 10/26

12:40 pm-2:25 pm

Nonstop1h 45m

$135

AtlantaSt. Louis

ATL - STL

ATLSTL

Atlanta Hartsfield-Jackson

Thu 9/4

12:45 pm-1:25 pm

Nonstop1h 40m

Lambert-St Louis

Thu 9/4

4:35 pm-7:10 pm

Nonstop1h 35m

$136

AtlantaSt. Louis

ATL - STL

ATLSTL

Atlanta Hartsfield-Jackson

Fri 10/3

3:25 pm-4:05 pm

Nonstop1h 40m

Lambert-St Louis

Mon 10/6

3:59 pm-6:36 pm

Nonstop1h 37m

$147

AtlantaSt. Louis

ATL - STL

ATLSTL

Atlanta Hartsfield-Jackson

Fri 8/29

12:05 pm-12:56 pm

Nonstop1h 51m

Lambert-St Louis

Sun 8/31

2:30 pm-11:05 pm

1 stop7h 35m

$149

AtlantaSt. Louis

ATL - STL

ATLSTL

Atlanta Hartsfield-Jackson

Thu 8/28

6:35 am-1:32 pm

1 stop7h 57m

Lambert-St Louis

Thu 9/4

4:00 pm-6:44 pm

Nonstop1h 44m

$155

AtlantaSt. Louis

ATL - STL

ATLSTL

Atlanta Hartsfield-Jackson

Thu 8/28

8:35 am-9:15 am

Nonstop1h 40m

Lambert-St Louis

Thu 9/4

6:00 am-8:38 am

Nonstop1h 38m

$157

ValparaisoSt. Louis

VPS - STL

VPSSTL

Valparaiso Destin-Ft Walton Beach

Thu 9/11

10:59 am-4:15 pm

1 stop5h 16m

Lambert-St Louis

Wed 9/17

6:29 am-11:19 am

1 stop4h 50m

$157

AtlantaSt. Louis

ATL - STL

ATLSTL

Atlanta Hartsfield-Jackson

Thu 8/28

7:00 am-12:35 pm

1 stop6h 35m

Lambert-St Louis

Thu 9/4

3:59 pm-12:06 am

1 stop7h 07m

$159

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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

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

Prices

Airlines

Other information

What is the cheapest month to fly to St. Louis?

In general, June is the cheapest month to fly from Alabama to St. Louis. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $250. The month of February is another great option to travel to St. Louis, with average flight prices from Alabama averaging around $278.

What is the cheapest day to depart on your flight to St. Louis?

The cheapest day to depart on your flight to St. Louis is on a Saturday when prices can be found for as low as $339. This is often the case because there is less demand to fly during this day of the week. If your travel schedule is flexible, try to avoid departing on a Monday because tickets tend to average around $477. These prices are subject to change though, so be sure to set up a Price Alert for flights to St. Louis.

What is the cheapest time of day to depart on your flight to St. Louis?

Flying to St. Louis from Alabama in the morning is the least expensive time of day to depart. momondo users have found prices as low as $370 when looking at flights departing in the morning. At noon is when there is more demand to fly to St. Louis, so prices are often more expensive at around $442 per ticket.

Cheap Alabama to St. Louis flight deals and tips

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

Best Price Found	$46
Fastest flight time	1h 36m
Direct flights	Every day
Airports in St. Louis	1 airport

The best one-way flight to St. Louis from Alabama in the past 72 hours is $46. The best round-trip flight deal from Alabama to St. Louis found on momondo in the last 72 hours is $107.

The fastest flight from Alabama to St. Louis takes 1h 36m

Direct flights go from Alabama to St. Louis every day.

There is 1 airport near St. Louis: Lambert-St Louis (STL)

Search flight deals

When did momondo last update prices for flights from Alabama to Lambert-St Louis Airport?
Prices for flights from Alabama to Lambert-St Louis Airport were last updated today.
How many operators does momondo search for flights from Alabama to Lambert-St Louis Airport?
The number of operators available for flights from Alabama to Lambert-St Louis Airport is 6 as of August 2025.
How old do you have to be to fly from Alabama to Lambert-St Louis Airport?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Alabama to Lambert-St Louis Airport.
What documentation or ID do you need to fly to Lambert-St Louis Airport?
The travel and health documents you'll need for your trip to Lambert-St Louis Airport 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 Lambert-St Louis Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Alabama to St. Louis

Compare and see reviews for airlines that fly from Alabama to St. Louis with momondo

Airline	Rating	Free Cancellation	Price
Southwest	PriceFrom $226	Free Cancellation	Rating 8.0 4,247 reviews	Search Southwest flights
American Airlines	PriceFrom $228	Free Cancellation	Rating 7.2 10,000 reviews	Search American Airlines flights
Delta	PriceFrom $228	Free Cancellation	Rating 8.0 7,985 reviews	Search Delta flights

St. Charles

Chesterfield

Fairview Heights

Hermann

Maryland Heights

Florissant

Fenton

O'Fallon

Collinsville

Alton

Wentzville

St. Peters

Farmington

Festus

Glencoe

Eureka

Edwardsville

Clayton

Litchfield

Shrewsbury

Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to St. Louis from Alabama.

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

momondo does allow users to show only those flights to St. Louis from Alabama which offer a flexible booking policy as well as other useful filters and features.

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to St. Louis from Alabama.

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

Yes. momondo can track prices for Alabama to St. Louis 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.