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Cheap flights from St. Louis to Alexandria from $298

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from St. Louis to Alexandria departing on 7/1. 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.
American Airlines Logo
5:29 am - 10:13 am
STL
-
AEX
4h 44m
1 stop
American Airlines Logo
5:41 pm - 9:48 pm
AEX
-
STL
4h 07m
1 stop
$298American Airlines
Wed, Jul 1 - Tue, Jul 7
Delta Logo
6:00 am - 10:59 am
STL
-
AEX
4h 59m
1 stop
Delta Logo
5:09 pm - 11:53 pm
AEX
-
STL
6h 44m
1 stop
$308Delta
Tue, Jul 7 - Mon, Jul 13
American Airlines Logo
8:14 pm - 10:14 am
STL
-
AEX
14h 00m
2 stops
American Airlines Logo
5:41 pm - 9:48 pm
AEX
-
STL
4h 07m
1 stop
$357American Airlines
Wed, Jul 1 - Tue, Jul 7
United Airlines Logo
11:00 am - 5:38 pm
STL
-
AEX
6h 38m
1 stop
United Airlines Logo
5:15 am - 9:42 am
AEX
-
STL
4h 27m
1 stop
$378United Airlines
Sat, Oct 31 - Wed, Nov 4
United Airlines Logo
11:00 am - 5:38 pm
STL
-
AEX
6h 38m
1 stop
United Airlines Logo
5:15 am - 9:42 am
AEX
-
STL
4h 27m
1 stop
$388United Airlines
Sat, Oct 31 - Wed, Nov 4
American Airlines Logo
1:25 pm - 10:42 pm
STL
-
AEX
9h 17m
2 stops
American Airlines Logo
5:41 pm - 11:58 pm
AEX
-
STL
6h 17m
1 stop
$403American Airlines
Tue, Jul 7 - Mon, Jul 13
United Airlines Logo
8:35 am - 3:25 pm
STL
-
AEX
6h 50m
1 stop
United Airlines Logo
9:43 am - 12:11 pm
AEX
-
STL
26h 28m
3 stops
$477United Airlines
Wed, Jul 1 - Tue, Jul 7
United Airlines Logo
11:00 am - 5:38 pm
STL
-
AEX
6h 38m
1 stop
United Airlines Logo
5:15 am - 8:59 pm
AEX
-
STL
15h 44m
2 stops
$517United Airlines
Sat, Oct 31 - Wed, Nov 4
United Airlines Logo
11:00 am - 5:38 pm
STL
-
AEX
6h 38m
1 stop
United Airlines Logo
5:15 am - 8:59 pm
AEX
-
STL
15h 44m
2 stops
$527United Airlines
Sat, Oct 31 - Wed, Nov 4
United Airlines Logo
11:00 am - 5:38 pm
STL
-
AEX
6h 38m
1 stop
United Airlines Logo
6:55 pm - 3:38 pm
AEX
-
STL
20h 43m
2 stops
$552United Airlines
Sat, Oct 31 - Wed, Nov 4

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American Airlines flights from St. Louis to Alexandria, Louisiana

Our best American Airlines deals on St. Louis to Alexandria, Louisiana flight tickets
American Airlines
Jul 1
STL5:29 amLambert-St Louis
4h 44m
1 stop
AEX10:13 amAlexandria
Jul 7
AEX5:41 pmAlexandria
4h 07m
1 stop
STL9:48 pmLambert-St Louis
$298
American Airlines
Jul 1
STL8:14 pmLambert-St Louis
14h 00m
2 stops
AEX10:14 amAlexandria
Jul 7
AEX5:41 pmAlexandria
4h 07m
1 stop
STL9:48 pmLambert-St Louis
$357
American Airlines
Jul 7
STL1:25 pmLambert-St Louis
9h 17m
2 stops
AEX10:42 pmAlexandria
Jul 13
AEX5:41 pmAlexandria
6h 17m
1 stop
STL11:58 pmLambert-St Louis
$403

United Airlines flights from St. Louis to Alexandria, Louisiana

Our best United Airlines deals on St. Louis to Alexandria, Louisiana flight tickets
United Airlines
Oct 31
STL11:00 amLambert-St Louis
6h 38m
1 stop
AEX5:38 pmAlexandria
Nov 4
AEX5:15 amAlexandria
4h 27m
1 stop
STL9:42 amLambert-St Louis
$378
United Airlines
Oct 31
STL11:00 amLambert-St Louis
6h 38m
1 stop
AEX5:38 pmAlexandria
Nov 4
AEX5:15 amAlexandria
4h 27m
1 stop
STL9:42 amLambert-St Louis
$388
United Airlines
Jul 1
STL8:35 amLambert-St Louis
6h 50m
1 stop
AEX3:25 pmAlexandria
Jul 7
AEX9:43 amAlexandria
26h 28m
3 stops
STL12:11 pmLambert-St Louis
$477

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 June 8, 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
Quickest round-trip

St. LouisAlexandria

STL - AEX

STLAEX

Lambert-St Louis

Wed 7/1

5:29 am-10:13 am

1 stop4h 44m

Alexandria

Tue 7/7

5:41 pm-9:48 pm

1 stop4h 07m

$298

St. LouisAlexandria

STL - AEX

STLAEX

Lambert-St Louis

Tue 7/7

6:00 am-10:59 am

1 stop4h 59m

Alexandria

Mon 7/13

5:09 pm-11:53 pm

1 stop6h 44m

$308

St. LouisAlexandria

STL - AEX

STLAEX

Lambert-St Louis

Wed 7/1

8:14 pm-10:14 am

2 stops14h 00m

Alexandria

Tue 7/7

5:41 pm-9:48 pm

1 stop4h 07m

$357

St. LouisAlexandria

STL - AEX

STLAEX

Lambert-St Louis

Sat 10/31

11:00 am-5:38 pm

1 stop6h 38m

Alexandria

Wed 11/4

5:15 am-9:42 am

1 stop4h 27m

$378

St. LouisAlexandria

STL - AEX

STLAEX

Lambert-St Louis

Sat 10/31

11:00 am-5:38 pm

1 stop6h 38m

Alexandria

Wed 11/4

5:15 am-9:42 am

1 stop4h 27m

$388

St. LouisAlexandria

STL - AEX

STLAEX

Lambert-St Louis

Tue 7/7

1:25 pm-10:42 pm

2 stops9h 17m

Alexandria

Mon 7/13

5:41 pm-11:58 pm

1 stop6h 17m

$403

St. LouisAlexandria

STL - AEX

STLAEX

Lambert-St Louis

Wed 7/1

8:35 am-3:25 pm

1 stop6h 50m

Alexandria

Tue 7/7

9:43 am-12:11 pm

3 stops26h 28m

$477

St. LouisAlexandria

STL - AEX

STLAEX

Lambert-St Louis

Sat 10/31

11:00 am-5:38 pm

1 stop6h 38m

Alexandria

Wed 11/4

5:15 am-8:59 pm

2 stops15h 44m

$517

St. LouisAlexandria

STL - AEX

STLAEX

Lambert-St Louis

Sat 10/31

11:00 am-5:38 pm

1 stop6h 38m

Alexandria

Wed 11/4

5:15 am-8:59 pm

2 stops15h 44m

$527

St. LouisAlexandria

STL - AEX

STLAEX

Lambert-St Louis

Sat 10/31

11:00 am-5:38 pm

1 stop6h 38m

Alexandria

Wed 11/4

6:55 pm-3:38 pm

2 stops20h 43m

$552

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

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

5h 25m

Direct flights

None
The fastest flight from St. Louis to Alexandria, Louisiana takes 5h 25m
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 5h 25m, 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
7.9
8,396 reviews
Search Delta flights

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

  • How do I get Price Alerts for flights from St. Louis to Alexandria, Louisiana?

    Search flight deals from St. Louis to Alexandria, Louisiana. While viewing offers you’ll have the option to create a Price Alert.

  • How can I save money on flights from St. Louis to Alexandria, Louisiana with momondo?

    By using tools like our “Price Calendar”, you can see the best day to fly round-trip for your travels. Our “Price Forecast” tool uses AI to predict whether you should purchase or hold off on booking for potentially cheaper prices. Explore shows you all flight options from a city or airport to build your own unique adventure. The Discover blog also provides valuable insights for saving money while booking your experience. After searching you can toggle on “Price Alerts” to track prices for your desired flight and book at the ideal moment.

  • How does momondo find its flight prices?

    We aggregate our prices from over 700+ competitors from airlines to OTAs. We operate in over 30 markets worldwide to show you a wide range of travel options.

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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