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Alexandria

$253+ Cheap flights from St. Louis to Alexandria, LA (STL - AEX)

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 8/2. Fares are subject to change and may not be available on all flights or dates of travel.
STL — AEX
Apr 9 — Apr 161
Thu 4/9
Thu 4/16
1 adult, Economy
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Cheap flight deals from St. Louis to Alexandria

Cheapest flights from St. Louis to Alexandria
Explore the most affordable flight options available from St. Louis to Alexandria. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 10, 2026.

This Delta deal was found by Cheapflights users on 3/9. 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.
Sat 4/256:00 am
STL
-
AEX
1 stop5h 01m
Delta
Sun 4/266:08 am
AEX
-
STL
1 stop4h 26m
Delta
Deal found 3/9$387
This American Airlines deal was found by Cheapflights users on 3/6. 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 4/258:00 am
STL
-
AEX
2 stops9h 56m
American Airlines
Sun 4/266:26 pm
AEX
-
STL
1 stop4h 33m
American Airlines
Deal found 3/6$454
This American Airlines deal was found by Cheapflights users on 3/7. 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 3/205:12 am
STL
-
AEX
1 stop4h 21m
American Airlines
Mon 3/236:28 pm
AEX
-
STL
1 stop4h 30m
American Airlines
Deal found 3/7$478
This American Airlines deal was found by Cheapflights users on 3/9. 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 3/275:12 am
STL
-
AEX
1 stop4h 21m
American Airlines
Sun 3/296:00 am
AEX
-
STL
1 stop4h 59m
American Airlines
Deal found 3/9$495
This United Airlines deal was found by Cheapflights users on 3/5. 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 12/94:17 pm
STL
-
AEX
1 stop25h 21m
United Airlines
Sat 12/125:15 am
AEX
-
STL
1 stop4h 27m
United Airlines
Deal found 3/5$553

Find flight deals from St. Louis to Alexandria

Discover tips and strategies to find the most affordable flight options for your journey from St. Louis (STL) to Alexandria (AEX). 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 March 10, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$288
(Delta)

One-way from

$253
(Delta)
Provider with most accurate pricing for Lambert-St Louis-Alexandria flight deals.
Search Deals
Provider most trusted by Cheapflights users for Lambert-St Louis-Alexandria flights.
Search Deals
From Lambert-St Louis to Alexandria
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One-way flight from Lambert-St Louis to Alexandria
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Cheapflights Fare Finder

 
Customize your flight search to find flights from St. Louis to Alexandria 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 March 10, 2026.
Use the filters below to find and compare flights from St. Louis to Alexandria that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

St. LouisAlexandria

STL - AEX

STLAEX

Lambert-St Louis

Sat 4/25

6:00 am-11:01 am

1 stop5h 01m

Alexandria

Sun 4/26

6:08 am-10:34 am

1 stop4h 26m

$387
Quickest round-trip

St. LouisAlexandria

STL - AEX

STLAEX

Lambert-St Louis

Fri 3/20

5:12 am-9:33 am

1 stop4h 21m

Alexandria

Mon 3/23

6:28 pm-10:58 pm

1 stop4h 30m

$478

St. LouisAlexandria

STL - AEX

STLAEX

Lambert-St Louis

Fri 3/27

5:12 am-9:33 am

1 stop4h 21m

Alexandria

Sun 3/29

6:00 am-10:59 am

1 stop4h 59m

$495

St. LouisAlexandria

STL - AEX

STLAEX

Lambert-St Louis

Sat 4/25

5:51 am-5:56 pm

2 stops12h 05m

Alexandria

Sun 4/26

6:26 pm-8:24 am

2 stops13h 58m

$496
Cheapest one-way

St. LouisAlexandria

STL - AEX

STLAEX

Lambert-St Louis

Sun 8/2

9:00 am-3:56 pm

1 stop6h 56m

$253
Quickest one-way

St. LouisAlexandria

STL - AEX

STLAEX

Lambert-St Louis

Sun 8/2

5:29 am-10:14 am

1 stop4h 45m

$273

St. LouisAlexandria

STL - AEX

STLAEX

Lambert-St Louis

Sun 8/2

6:00 am-7:55 pm

3 stops13h 55m

$503

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/8

Sorted by cheapest first

Compare providers for flights from St. Louis to Alexandria

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 St. Louis to Alexandria in March.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on St. Louis-Alexandria, Louisiana flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on St. Louis-Alexandria, Louisiana flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from St. Louis-Alexandria, Louisiana flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on St. Louis-Alexandria, Louisiana 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 St. Louis-Alexandria, Louisiana 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 St. Louis to Alexandria

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

What is the cheapest month to book a flight from St. Louis to Alexandria, Louisiana?

Currently, July is the cheapest month in which you can book a flight from St. Louis to Alexandria, Louisiana (average of $180). Flying from St. Louis to Alexandria, Louisiana in December is currently the most expensive (average of $407). 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.

Related info for your journey

Find useful and relevant information for your journey from St. Louis to Alexandria. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from St. Louis to Alexandria, Louisiana?

    For as low as $478, Delta can have you in Alexandria, Louisiana from St. Louis in 4h 21m. The distance between St. Louis and Alexandria, Louisiana is about 527 mi. This flight may include one or multiple stops.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from St. Louis to Alexandria 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 St. Louis to Alexandria, Louisiana?

    Currently, July is the cheapest month in which you can book a flight from St. Louis to Alexandria, Louisiana (average of $180). Flying from St. Louis to Alexandria, Louisiana in December is currently the most expensive (average of $407). 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 Alexandria?

Book flights to Alexandria if you plan to visit one of these locations
Marksville

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