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St. Louis

$53+ Cheap flights from Alabama to St. Louis (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 9/21. Fares are subject to change and may not be available on all flights or dates of travel.
BHM — STL
Aug 19 — Aug 261
Tue 8/19
Tue 8/26
1 adult, Economy
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Cheap flight deals from Alabama to St. Louis

Keep the following information in mind while searching for Alabama to St. Louis flight deals. Data was last updated August 14, 2025.

Round-trip from

$105
(Frontier)

One-way from

$53
(Cheapflightsfares)

Popular in

September

Cheapest in

June

Average price

$487
From Alabama to Lambert-St Louis
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One-way flight from Alabama to Lambert-St Louis
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Highest demand for flights based on searches. 18% potential increase in price ($83 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($13 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 Alabama to St. Louis

Cheapest flights from Alabama to St. Louis
Explore the most affordable flight options available from Alabama to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 14, 2025.

This Frontier deal was found by Cheapflights users on 8/12. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/179:50 amATL - STL
Nonstop1h 47mFrontier
Sun 10/1911:32 amSTL - ATL
Nonstop1h 40mFrontier
Deal found 8/12$105
This Cheapflightsfares deal was found by Cheapflights users on 8/14. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/182:16 pmATL - STL
Nonstop1h 48mFrontier
Sun 9/214:00 pmSTL - ATL
Nonstop1h 44mFrontier
Deal found 8/14$112
This Cheapflightsfares deal was found by Cheapflights users on 8/14. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/88:54 amATL - STL
1 stop5h 08mFrontier
Mon 9/154:00 pmSTL - ATL
Nonstop1h 44mFrontier
Deal found 8/14$113
This Frontier deal was found by Cheapflights users on 8/14. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/42:16 pmATL - STL
Nonstop1h 48mFrontier
Mon 9/81:57 pmSTL - ATL
1 stop6h 37mFrontier
Deal found 8/14$115
This Cheapflightsfares deal was found by Cheapflights users on 8/14. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/222:16 pmATL - STL
Nonstop1h 48mFrontier
Thu 9/254:00 pmSTL - ATL
Nonstop1h 44mFrontier
Deal found 8/14$116
This Frontier deal was found by Cheapflights users on 8/13. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/182:16 pmATL - STL
Nonstop1h 48mFrontier
Mon 9/224:00 pmSTL - ATL
Nonstop1h 44mFrontier
Deal found 8/13$118
This Cheapflightsfares deal was found by Cheapflights users on 8/12. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/2912:05 pmATL - STL
Nonstop1h 51mFrontier
Mon 9/12:01 pmSTL - ATL
Nonstop1h 54mFrontier
Deal found 8/12$122
This Kiwi.com deal was found by Cheapflights users on 8/12. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/114:39 pmATL - STL
Nonstop1h 52mFrontier
Sun 12/146:26 pmSTL - ATL
Nonstop1h 45mFrontier
Deal found 8/12$123
This Frontier deal was found by Cheapflights users on 8/14. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/42:16 pmATL - STL
Nonstop1h 48mFrontier
Sun 9/74:00 pmSTL - ATL
Nonstop1h 44mFrontier
Deal found 8/14$124
This American Airlines deal was found by Cheapflights users on 8/14. 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 9/175:35 pmBHM - STL
1 stop5h 32mAmerican Airlines
Tue 9/236:10 amSTL - BHM
1 stop4h 17mAmerican Airlines
Deal found 8/14$175
This Delta deal was found by Cheapflights users on 8/14. 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 9/184:57 pmVPS - STL
1 stop6h 27mDelta
Sat 9/203:55 pmSTL - VPS
1 stop5h 54mDelta
Deal found 8/14$175
This FlightHub deal was found by Cheapflights users on 8/13. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/154:35 pmPNS - STL
1 stop16h 32mFrontier
Sun 11/167:52 pmSTL - PNS
1 stop19h 39mFrontier
Deal found 8/13$178

Cheapflights Fare Finder

 
Customize your flight search to find flights from Alabama 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 August 14, 2025.
Use the filters below to find and compare flights from Alabama to St. Louis that are best for you.

Fly from

Alabama

Fly to

St. Louis

Route

Depart

Return

Price

AtlantaSt. Louis

ATL - STL

ATLSTL

Atlanta Hartsfield-Jackson

Fri 10/17

9:50 am-10:37 am

Nonstop1h 47m

Lambert-St Louis

Sun 10/19

11:32 am-2:12 pm

Nonstop1h 40m

$105

AtlantaSt. Louis

ATL - STL

ATLSTL

Atlanta Hartsfield-Jackson

Thu 9/18

2:16 pm-3:04 pm

Nonstop1h 48m

Lambert-St Louis

Sun 9/21

4:00 pm-6:44 pm

Nonstop1h 44m

$112

AtlantaSt. Louis

ATL - STL

ATLSTL

Atlanta Hartsfield-Jackson

Mon 9/8

8:54 am-1:02 pm

1 stop5h 08m

Lambert-St Louis

Mon 9/15

4:00 pm-6:44 pm

Nonstop1h 44m

$113

AtlantaSt. Louis

ATL - STL

ATLSTL

Atlanta Hartsfield-Jackson

Mon 9/22

2:16 pm-3:04 pm

Nonstop1h 48m

Lambert-St Louis

Thu 9/25

10:49 am-5:13 pm

1 stop5h 24m

$113

AtlantaSt. Louis

ATL - STL

ATLSTL

Atlanta Hartsfield-Jackson

Thu 10/30

9:20 am-10:07 am

Nonstop1h 47m

Lambert-St Louis

Sun 11/2

11:02 am-1:42 pm

Nonstop1h 40m

$113

AtlantaSt. Louis

ATL - STL

ATLSTL

Atlanta Hartsfield-Jackson

Fri 11/7

9:20 am-10:07 am

Nonstop1h 47m

Lambert-St Louis

Thu 11/13

11:02 am-1:42 pm

Nonstop1h 40m

$115

AtlantaSt. Louis

ATL - STL

ATLSTL

Atlanta Hartsfield-Jackson

Thu 10/16

9:50 am-10:37 am

Nonstop1h 47m

Lambert-St Louis

Sun 10/19

11:32 am-2:12 pm

Nonstop1h 40m

$115

AtlantaSt. Louis

ATL - STL

ATLSTL

Atlanta Hartsfield-Jackson

Thu 9/4

2:16 pm-3:04 pm

Nonstop1h 48m

Lambert-St Louis

Sun 9/7

10:39 am-9:14 pm

1 stop9h 35m

$115

AtlantaSt. Louis

ATL - STL

ATLSTL

Atlanta Hartsfield-Jackson

Thu 9/11

2:16 pm-3:04 pm

Nonstop1h 48m

Lambert-St Louis

Mon 9/15

1:57 pm-9:34 pm

1 stop6h 37m

$115

BirminghamSt. Louis

BHM - STL

BHMSTL

Birmingham

Wed 9/10

6:05 am-10:55 am

1 stop4h 50m

Lambert-St Louis

Wed 9/10

2:25 pm-6:50 pm

1 stop4h 25m

$175

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/12

Showing 1-10 of 60 results
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Best time to book a flight from Alabama to St. Louis

Have a flexible travel schedule? Discover the best time to fly to St. Louis from Alabama 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 Alabama to St. Louis

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

Currently, August is the cheapest month in which you can book a flight from Alabama to St. Louis (average of $311). Flying from 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.

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

Find hourly flight availability from Alabama to St. Louis. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated August 14, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Alabama to St. Louis as you normally would.

Related info for your journey

Find useful and relevant information for your journey from Alabama 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 airport do you fly into for flights to St. Louis from Alabama?

    Lambert-St Louis (STL), located 12.7 mi from the city center, is the airport you fly into when you book flights from Alabama to St. Louis.

  • What are the cheapest airlines to fly from Alabama to St. Louis one-way?

    One-way options have recently been found by users for as low as $53 on Frontier. Other airlines that offer cheap prices include Southwest from $67 and American Airlines from $88 one-way.

  • What are the most popular routes from Alabama to St. Louis?

    Most travelers choose Atlanta Hartsfield-Jackson - Lambert-St Louis, Pensacola - Lambert-St Louis or Birmingham - Lambert-St Louis when deciding on the best route from Alabama to St. Louis.

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

    Yes. In addition to deals on Alabama to St. Louis flights, Cheapflights offers vacation packages that include both flights and hotel.

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

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Alabama to St. Louis.

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

    Yes. Cheapflights offers flight deals from Alabama 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 Alabama to St. Louis?

    Currently, August is the cheapest month in which you can book a flight from Alabama to St. Louis (average of $311). Flying from 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

Traveling to a place near St. Louis?

Book flights to St. Louis if you plan to visit one of these locations
O'Fallon
Fairview Heights
Maryland Heights
Collinsville
Eureka
St. Peters
Glencoe
Alton
Chesterfield
Farmington
Festus

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Alabama to St. Louis

See prices for flight routes from nearby airports that may be better suited for you.
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Top 3 airlines flying from Alabama to St. Louis

Discover the top 3 airlines that operate flights from Alabama 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 August 14, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$196Average$356FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$226Average$350FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$228Average$323FlexibilityNo cancel feeOn-time71%

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