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Cheap flights from St. Louis to Alexandria from $268

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 Alexandria departing on 10/2. 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
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from St. Louis to Alexandria

Cheap round-trip flights

Enter your travel dates to find the best prices.
Delta Logo
6:00 am - 11:16 am
STL
-
AEX
5h 16m
1 stop
Delta Logo
5:12 pm - 11:54 pm
AEX
-
STL
6h 42m
1 stop
$308Delta
Thu, Oct 8 - Mon, Oct 19
Delta Logo
7:00 am - 11:16 am
STL
-
AEX
4h 16m
1 stop
Delta Logo
11:56 am - 6:15 pm
AEX
-
STL
6h 19m
1 stop
$308Delta
Thu, Oct 8 - Mon, Oct 19
American Airlines Logo
5:43 am - 10:23 am
STL
-
AEX
4h 40m
1 stop
American Airlines Logo
5:17 pm - 11:42 pm
AEX
-
STL
6h 25m
1 stop
$308American Airlines
Fri, Oct 2 - Tue, Oct 6
American Airlines Logo
5:43 am - 10:23 am
STL
-
AEX
4h 40m
1 stop
American Airlines Logo
5:17 pm - 11:42 pm
AEX
-
STL
6h 25m
1 stop
$308American Airlines
Fri, Oct 2 - Tue, Oct 6
Delta Logo
6:00 am - 11:16 am
STL
-
AEX
5h 16m
1 stop
Delta Logo
5:12 pm - 11:54 pm
AEX
-
STL
6h 42m
1 stop
$328Delta
Thu, Oct 8 - Mon, Oct 19
Delta Logo
7:00 am - 11:16 am
STL
-
AEX
4h 16m
1 stop
Delta Logo
11:56 am - 6:15 pm
AEX
-
STL
6h 19m
1 stop
$328Delta
Thu, Oct 8 - Mon, Oct 19
American Airlines Logo
10:16 am - 4:44 pm
STL
-
AEX
6h 28m
1 stop
American Airlines Logo
10:53 am - 6:05 pm
AEX
-
STL
7h 12m
1 stop
$338American Airlines
Tue, Aug 11 - Sat, Aug 15
United Airlines Logo
8:30 am - 3:31 pm
STL
-
AEX
7h 01m
1 stop
United Airlines Logo
9:30 am - 2:13 pm
AEX
-
STL
4h 43m
1 stop
$388United Airlines
Sat, Nov 14 - Tue, Nov 17
United Airlines Logo
2:55 pm - 8:07 pm
STL
-
AEX
5h 12m
1 stop
United Airlines Logo
4:06 pm - 10:26 pm
AEX
-
STL
6h 20m
1 stop
$388United Airlines
Tue, Nov 3 - Sat, Nov 7
American Airlines Logo
5:43 am - 10:23 am
STL
-
AEX
4h 40m
1 stop
American Airlines Logo
10:57 am - 11:58 pm
AEX
-
STL
13h 01m
2 stops
$402American Airlines
Fri, Oct 2 - Tue, Oct 6

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Delta flights from St. Louis to Alexandria, Louisiana

Our best Delta deals on St. Louis to Alexandria, Louisiana flight tickets
Delta
Oct 8
STL6:00 amLambert-St Louis
5h 16m
1 stop
AEX11:16 amAlexandria
Oct 19
AEX5:12 pmAlexandria
6h 42m
1 stop
STL11:54 pmLambert-St Louis
$308
Delta
Oct 8
STL7:00 amLambert-St Louis
4h 16m
1 stop
AEX11:16 amAlexandria
Oct 19
AEX11:56 amAlexandria
6h 19m
1 stop
STL6:15 pmLambert-St Louis
$328
Delta
Aug 7
STL9:15 amLambert-St Louis
7h 10m
1 stop
AEX4:25 pmAlexandria
Aug 9
AEX5:07 pmAlexandria
6h 51m
1 stop
STL11:58 pmLambert-St Louis
$398

American Airlines flights from St. Louis to Alexandria, Louisiana

Our best American Airlines deals on St. Louis to Alexandria, Louisiana flight tickets
American Airlines
Aug 11
STL10:16 amLambert-St Louis
6h 28m
1 stop
AEX4:44 pmAlexandria
Aug 15
AEX10:53 amAlexandria
7h 12m
1 stop
STL6:05 pmLambert-St Louis
$338
American Airlines
Oct 2
STL5:43 amLambert-St Louis
4h 40m
1 stop
AEX10:23 amAlexandria
Oct 6
AEX10:57 amAlexandria
13h 01m
2 stops
STL11:58 pmLambert-St Louis
$402
American Airlines
Aug 11
STL6:00 amLambert-St Louis
10h 44m
2 stops
AEX4:44 pmAlexandria
Aug 15
AEX10:53 amAlexandria
5h 21m
1 stop
STL4:14 pmLambert-St Louis
$423

momondo Fare Finder

 
Customize your flight search to find flights from St. Louis to Alexandria, Louisiana 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 August 1, 2026.
Use the filters below to find and compare flights from St. Louis to Alexandria, Louisiana that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

St. LouisAlexandria

STL - AEX

STLAEX

Lambert-St Louis

Thu 10/8

6:00 am-11:16 am

1 stop5h 16m

Alexandria

Mon 10/19

5:12 pm-11:54 pm

1 stop6h 42m

$308
Quickest round-trip

St. LouisAlexandria

STL - AEX

STLAEX

Lambert-St Louis

Thu 10/8

7:00 am-11:16 am

1 stop4h 16m

Alexandria

Mon 10/19

11:56 am-6:15 pm

1 stop6h 19m

$308

St. LouisAlexandria

STL - AEX

STLAEX

Lambert-St Louis

Fri 10/2

5:43 am-10:23 am

1 stop4h 40m

Alexandria

Tue 10/6

5:17 pm-11:42 pm

1 stop6h 25m

$308

St. LouisAlexandria

STL - AEX

STLAEX

Lambert-St Louis

Fri 10/2

5:43 am-10:23 am

1 stop4h 40m

Alexandria

Tue 10/6

5:17 pm-11:42 pm

1 stop6h 25m

$308

St. LouisAlexandria

STL - AEX

STLAEX

Lambert-St Louis

Thu 10/8

6:00 am-11:16 am

1 stop5h 16m

Alexandria

Mon 10/19

5:12 pm-11:54 pm

1 stop6h 42m

$328

St. LouisAlexandria

STL - AEX

STLAEX

Lambert-St Louis

Thu 10/8

7:00 am-11:16 am

1 stop4h 16m

Alexandria

Mon 10/19

11:56 am-6:15 pm

1 stop6h 19m

$328

St. LouisAlexandria

STL - AEX

STLAEX

Lambert-St Louis

Tue 8/11

10:16 am-4:44 pm

1 stop6h 28m

Alexandria

Sat 8/15

10:53 am-6:05 pm

1 stop7h 12m

$338

St. LouisAlexandria

STL - AEX

STLAEX

Lambert-St Louis

Sat 11/14

8:30 am-3:31 pm

1 stop7h 01m

Alexandria

Tue 11/17

9:30 am-2:13 pm

1 stop4h 43m

$388

St. LouisAlexandria

STL - AEX

STLAEX

Lambert-St Louis

Tue 11/3

2:55 pm-8:07 pm

1 stop5h 12m

Alexandria

Sat 11/7

4:06 pm-10:26 pm

1 stop6h 20m

$388

St. LouisAlexandria

STL - AEX

STLAEX

Lambert-St Louis

Fri 10/2

5:43 am-10:23 am

1 stop4h 40m

Alexandria

Tue 10/6

10:57 am-11:58 pm

2 stops13h 01m

$402

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 12 resultsSorted by cheapest first
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See travel insights to Alexandria from

How to get the cheapest flight ticket from St. Louis to Alexandria, Louisiana

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 airline that flies from Lambert-St Louis to Alexandria?

American Airlines and United Airlines are the most popular carriers operating from Lambert-St Louis to Alexandria

When to book flights from St. Louis to Alexandria, Louisiana

Are you open to changing your travel dates? Check out the ideal times to fly from St. Louis to Alexandria, Louisiana according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap St. Louis to Alexandria, Louisiana (STL to AEX) flight deals and tips

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

Fastest flight time

4h 15m

Direct flights

None
The fastest flight from St. Louis to Alexandria, Louisiana takes 4h 15m
There are no direct flights from St. Louis to Alexandria, Louisiana. There are no popular flight routes from St. Louis to Alexandria, Louisiana.
Search flight deals

Frequently asked questions about flying from St. Louis to Alexandria, Louisiana

  • How far is Lambert-St Louis to Alexandria by plane?

    Alexandria is 520.8 mi away from Lambert-St Louis. Flights usually cover this in 4h 15m, depending on flying conditions and air traffic around both airports.

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

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

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

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

    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 Alexandria Airport.

  • What documentation or ID do you need to fly to Alexandria Airport?

    The required travel and health documents for your Alexandria Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Alexandria Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular airline from St. Louis to Alexandria, Louisiana?

Best airlines flying from St. Louis to Alexandria, Louisiana

Compare and see reviews for airlines that fly from St. Louis to Alexandria, Louisiana with momondo
Airline
Rating
Free Cancellation
Price
DeltaPriceFrom $248Free CancellationRating
7.8
8,494 reviews
Search Delta flights

Traveling to a place near Alexandria?

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

Why use momondo?

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

Finding the right flight to Alexandria from St. Louis is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Alexandria quick and easy, saving you time and money.

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

Yes. All flights to Alexandria from St. Louis on momondo can be compared and filtered by various policies on offer, including flexible booking.

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

Once you have performed a search for St. Louis to Alexandria flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

Of course. momondo tracks the price of St. Louis to Alexandria flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

An easier way to manage your Alexandria, Louisiana trip

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