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Alexandria

$199+ 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 11/5. Fares are subject to change and may not be available on all flights or dates of travel.
STL — AEX
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
1 adult, Economy
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Cheap 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 September 11, 2025.

Round-trip from

$371
(Delta)

One-way from

$199
(American Airlines)
From Lambert-St Louis to Alexandria
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One-way flight from Lambert-St Louis to Alexandria
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Find 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 September 11, 2025.

This Delta deal was found by Cheapflights users on 9/9. 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 10/187:05 amSTL - AEX
1 stop4h 06mDelta
Sun 10/265:45 pmAEX - STL
1 stop5h 56mDelta
Deal found 9/9$371
This Delta deal was found by Cheapflights users on 9/10. 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 10/43:55 pmSTL - AEX
1 stop5h 13mDelta
Tue 10/76:10 amAEX - STL
1 stop4h 16mDelta
Deal found 9/10$376
This American Airlines deal was found by Cheapflights users on 9/9. 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.
Sat 10/187:16 amSTL - AEX
2 stops10h 49mAmerican Airlines
Sun 10/266:22 pmAEX - STL
1 stop5h 27mAmerican Airlines
Deal found 9/9$377
This American Airlines deal was found by Cheapflights users on 9/10. 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 10/47:23 amSTL - AEX
2 stops10h 39mAmerican Airlines
Mon 10/610:15 amAEX - STL
1 stop6h 02mAmerican Airlines
Deal found 9/10$382
This Delta deal was found by Cheapflights users on 9/11. 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.
Wed 10/17:10 amSTL - AEX
1 stop3h 56mDelta
Sat 10/411:48 amAEX - STL
1 stop4h 17mDelta
Deal found 9/11$395
This American Airlines deal was found by Cheapflights users on 9/11. 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 10/17:23 amSTL - AEX
2 stops10h 39mAmerican Airlines
Sun 10/56:24 pmAEX - STL
1 stop3h 59mAmerican Airlines
Deal found 9/11$401
This American Airlines deal was found by Cheapflights users on 9/11. 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 10/17:23 amSTL - AEX
2 stops10h 39mAmerican Airlines
Sat 10/45:47 amAEX - STL
2 stops7h 44mAmerican Airlines
Deal found 9/11$406
This American Airlines deal was found by Cheapflights users on 9/10. 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 10/43:59 pmSTL - AEX
1 stop6h 59mAmerican Airlines
Tue 10/710:13 amAEX - STL
2 stops10h 13mAmerican Airlines
Deal found 9/10$452

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 September 11, 2025.
Use the filters below to find and compare flights from St. Louis to Alexandria that are best for you.

Fly from

St. Louis

Fly to

Alexandria

Route

Depart

Return

Price

St. LouisAlexandria

STL - AEX

STLAEX

Lambert-St Louis

Sat 10/18

7:05 am-11:11 am

1 stop4h 06m

Alexandria

Sun 10/26

5:45 pm-11:41 pm

1 stop5h 56m

$371

St. LouisAlexandria

STL - AEX

STLAEX

Lambert-St Louis

Sat 10/4

10:15 am-4:01 pm

1 stop5h 46m

Alexandria

Tue 10/7

5:45 pm-10:04 pm

1 stop4h 19m

$376

St. LouisAlexandria

STL - AEX

STLAEX

Lambert-St Louis

Sat 10/4

7:10 am-11:06 am

1 stop3h 56m

Alexandria

Mon 10/6

5:45 pm-11:41 pm

1 stop5h 56m

$376

St. LouisAlexandria

STL - AEX

STLAEX

Lambert-St Louis

Sat 10/18

7:16 am-6:05 pm

2 stops10h 49m

Alexandria

Sun 10/26

6:22 pm-11:49 pm

1 stop5h 27m

$377

St. LouisAlexandria

STL - AEX

STLAEX

Lambert-St Louis

Sat 10/4

7:23 am-6:02 pm

2 stops10h 39m

Alexandria

Mon 10/6

6:22 pm-11:49 pm

1 stop5h 27m

$382

St. LouisAlexandria

STL - AEX

STLAEX

Lambert-St Louis

Wed 10/1

7:10 am-11:06 am

1 stop3h 56m

Alexandria

Sat 10/4

11:48 am-4:05 pm

1 stop4h 17m

$395

St. LouisAlexandria

STL - AEX

STLAEX

Lambert-St Louis

Wed 11/5

6:00 am-5:49 pm

2 stops11h 49m

$199

St. LouisAlexandria

STL - AEX

STLAEX

Lambert-St Louis

Wed 11/5

6:00 am-11:11 am

1 stop5h 11m

$283

St. LouisAlexandria

STL - AEX

STLAEX

Lambert-St Louis

Thu 11/6

5:17 am-9:35 am

1 stop4h 18m

$283

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/10

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, August is the cheapest month in which you can book a flight from St. Louis to Alexandria, Louisiana (average of $441). Flying from St. Louis to Alexandria, Louisiana in November is currently the most expensive (average of $553). 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 $371, Delta can have you in Alexandria, Louisiana from St. Louis in 4h 06m. The distance between St. Louis and Alexandria, Louisiana is about 527 mi.

  • 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, August is the cheapest month in which you can book a flight from St. Louis to Alexandria, Louisiana (average of $441). Flying from St. Louis to Alexandria, Louisiana in November is currently the most expensive (average of $553). 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
Natchez
Marksville
Natchitoches

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