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$423+ Cheap flights from Alexandria, LA (AEX) to Puerto Rico

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 5/7. Fares are subject to change and may not be available on all flights or dates of travel.
AEX — SJU
May 1 — May 81
Fri 5/1
Fri 5/8
1 adult, Economy
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Cheap flight deals from Alexandria to Puerto Rico

Cheapest flights from Alexandria to Puerto Rico
Explore the most affordable flight options available from Alexandria to Puerto Rico. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 1, 2026.

This American Airlines deal was found by Cheapflights users on 3/31. 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.
Thu 5/76:26 pm
AEX
-
SJU
2 stops17h 03m
American Airlines
Thu 5/217:15 pm
SJU
-
AEX
2 stops22h 55m
American Airlines
Deal found 3/31$423
This American Airlines deal was found by Cheapflights users on 3/30. 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 4/176:26 pm
AEX
-
SJU
1 stop9h 06m
American Airlines
Fri 4/247:00 pm
SJU
-
AEX
2 stops15h 37m
American Airlines
Deal found 3/30$443
This American Airlines deal was found by Cheapflights users on 3/29. 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 4/36:00 am
AEX
-
SJU
2 stops13h 50m
American Airlines
Fri 4/1011:59 pm
SJU
-
AEX
1 stop10h 38m
American Airlines
Deal found 3/29$661
This United Airlines deal was found by Cheapflights users on 3/30. 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.
Sat 8/229:43 am
AEX
-
SJU
1 stop9h 55m
United Airlines
Wed 8/264:55 pm
SJU
-
AEX
2 stops23h 33m
United Airlines
Deal found 3/30$709
This Delta deal was found by Cheapflights users on 3/31. 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 5/712:10 pm
AEX
-
SJU
1 stop7h 20m
Delta
Thu 5/216:15 am
SJU
-
AEX
1 stop11h 00m
Delta
Deal found 3/31$754

Find flight deals from Alexandria to Puerto Rico

Keep the following information in mind while searching for Alexandria to Puerto Rico flight deals. Data was last updated April 1, 2026.

Round-trip from

$423
(American Airlines)
From Alexandria to Puerto Rico
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Alexandria to Puerto Rico 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 April 1, 2026.
Use the filters below to find and compare flights from Alexandria to Puerto Rico that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

AlexandriaSan Juan

AEX - SJU

AEXSJU

Alexandria

Thu 5/7

6:26 pm-12:29 pm

2 stops17h 03m

San Juan Luis Munoz Marin Intl

Thu 5/21

7:15 pm-5:10 pm

2 stops22h 55m

$423
Quickest round-trip

AlexandriaSan Juan

AEX - SJU

AEXSJU

Alexandria

Fri 4/17

6:26 pm-4:32 am

1 stop9h 06m

San Juan Luis Munoz Marin Intl

Fri 4/24

7:00 pm-9:37 am

2 stops15h 37m

$443

AlexandriaSan Juan

AEX - SJU

AEXSJU

Alexandria

Sat 8/22

4:05 pm-12:54 pm

2 stops19h 49m

San Juan Luis Munoz Marin Intl

Wed 8/26

4:55 pm-3:28 pm

2 stops23h 33m

$709

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/31

Sorted by cheapest first

Best time to book a flight from Alexandria to Puerto Rico

Have a flexible travel schedule? Discover the best time to fly to Puerto Rico from Alexandria 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 Alexandria to Puerto Rico

What is the cheapest month to book a flight from Alexandria, Louisiana to Puerto Rico?

Currently, October is the cheapest month in which you can book a flight from Alexandria, Louisiana to Puerto Rico (average of $256). Flying from Alexandria, Louisiana to Puerto Rico in December is currently the most expensive (average of $954). 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.

How often are flights from Alexandria to Puerto Rico delayed?

About 0% of weekly flights between Alexandria and Puerto Rico have experienced delays in the past year, with the average delay time being 0 minutes.

What is the most punctual flight time for Alexandria to Puerto Rico flights?

Historically, flights departing in the evening are less likely to be delayed, whereas flights leaving at night tend to experience delays more often.

What day of the week experiences the fewest flight delays on this route?

Thursday tends to have the lowest number of delays on this route, whereas Friday has historically faced a higher average of delays compared to other days of the week.

Related info for your journey

Find useful and relevant information for your journey from Alexandria to Puerto Rico. 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 from for flights from Alexandria to Puerto Rico?

    If you book a flight to Puerto Rico from Alexandria, you will be flying from Alexandria, which is the city’s only airport. Alexandria (AEX) is located 5.8 mi from the center of Alexandria.

  • How long is the flight from Alexandria, Louisiana to Puerto Rico?

    Departing from Alexandria, Louisiana to Puerto Rico will take you 17h 03m. The distance from Alexandria, Louisiana to Puerto Rico is about 1878 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • Can I find deals for flights from Alexandria to Puerto Rico that include hotel bookings?

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

  • How can I find direct flights from Alexandria to Puerto Rico?

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

  • Can I find deals for business class flights from Alexandria to Puerto Rico?

    Yes. Cheapflights offers flight deals from Alexandria to Puerto Rico 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 Alexandria, Louisiana to Puerto Rico?

    Currently, October is the cheapest month in which you can book a flight from Alexandria, Louisiana to Puerto Rico (average of $256). Flying from Alexandria, Louisiana to Puerto Rico in December is currently the most expensive (average of $954). 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.

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