$370+ 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 9/25. Fares are subject to change and may not be available on all flights or dates of travel.
AEX — SJU
Sep 25 — Oct 21
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
Find cheap flights from Alexandria to Puerto Rico with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Alexandria to Puerto Rico
Cheapest
Best
Last-minute
Cheapest flights from Alexandria to Puerto RicoExplore 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 August 26, 2026.
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 August 26, 2026.
This Delta deal was found by Cheapflights users on 8/21. 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.
Fri 9/256:12 am -
1 stop9h 37m
Sat 10/37:00 am -
1 stop10h 31m
Deal found 8/21![Delta logo]()
$370
This American Airlines deal was found by Cheapflights users on 8/25. 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 9/255:15 pm -
2 stops21h 25m
Sat 10/33:35 pm -
1 stop8h 04m
Deal found 8/25![American Airlines logo]()
$410
This United Airlines deal was found by Cheapflights users on 8/24. 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 10/249:45 am -
2 stops13h 05m
Wed 10/286:40 am -
1 stop9h 51m
Deal found 8/24![United Airlines logo]()
$460
This American Airlines deal was found by Cheapflights users on 8/22. 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.
Tue 11/311:25 am -
2 stops21h 19m
Sun 11/84:59 pm -
1 stop7h 58m
Deal found 8/22![American Airlines logo]()
$573
This United Airlines deal was found by Cheapflights users on 8/25. 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.
Fri 9/254:05 pm -
2 stops20h 40m
Sat 10/37:00 am -
1 stop9h 30m
Deal found 8/25![United Airlines logo]()
$610
This United Airlines deal was found by Cheapflights users on 8/22. 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.
Tue 11/39:30 am -
3 stops13h 06m
Sat 11/72:05 am -
2 stops15h 26m
Deal found 8/22![United Airlines logo]()
$1,124
Best flights from Alexandria to Puerto RicoDiscover carefully curated flight deals from Alexandria to Puerto Rico that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 26, 2026.
Discover carefully curated flight deals from Alexandria to Puerto Rico that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 26, 2026.
This American Airlines deal was found by Cheapflights users on 8/21. 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 9/255:15 pm -
2 stops19h 42m
Sat 10/32:58 pm -
2 stops20h 25m
Deal found 8/21![American Airlines logo]()
$370
This Delta deal was found by Cheapflights users on 8/24. 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.
Fri 9/256:12 am -
1 stop9h 37m
Sat 10/37:00 am -
1 stop10h 31m
Deal found 8/24![Delta logo]()
$370
This United Airlines deal was found by Cheapflights users on 8/25. 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 10/249:45 am -
2 stops13h 05m
Wed 10/286:40 am -
1 stop9h 51m
Deal found 8/25![United Airlines logo]()
$460
Last-minute flights from Alexandria to Puerto RicoDiscover last-minute flight deals from Alexandria to Puerto Rico. Data last updated August 26, 2026 and is based on user searches.
Discover last-minute flight deals from Alexandria to Puerto Rico. Data last updated August 26, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 8/24. 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.
Fri 9/256:12 am -
1 stop9h 37m
Sat 10/37:00 am -
1 stop10h 31m
Deal found 8/24![Delta logo]()
$370
This American Airlines deal was found by Cheapflights users on 8/25. 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 9/255:15 pm -
2 stops21h 25m
Sat 10/33:35 pm -
1 stop8h 04m
Deal found 8/25![American Airlines logo]()
$410
This United Airlines deal was found by Cheapflights users on 8/22. 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.
Fri 9/254:05 pm -
1 stop22h 37m
Sat 10/37:00 am -
1 stop9h 30m
Deal found 8/22![United Airlines logo]()
$600
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 August 26, 2026.
Round-trip from | $370 (American Airlines) |
|---|
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 7,457,451 searches. Data last updated August 26, 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
Cheapest round-trip
AlexandriaSan Juan
AEX Alexandria - SJU San Juan Luis Munoz Marin Intl
AEXSJU
Alexandria
Fri 9/25
5:15 pm-1:57 pm
2 stops19h 42m
San Juan Luis Munoz Marin Intl
Sat 10/3
2:58 pm-10:23 am
2 stops20h 25m
$370
Quickest round-trip
AlexandriaSan Juan
AEX Alexandria - SJU San Juan Luis Munoz Marin Intl
AEXSJU
Alexandria
Fri 9/25
6:12 am-4:49 pm
1 stop9h 37m
San Juan Luis Munoz Marin Intl
Sat 10/3
7:00 am-4:31 pm
1 stop10h 31m
$370
AlexandriaSan Juan
AEX Alexandria - SJU San Juan Luis Munoz Marin Intl
AEXSJU
Alexandria
Sat 10/24
9:45 am-11:50 pm
2 stops13h 05m
San Juan Luis Munoz Marin Intl
Wed 10/28
6:40 am-3:31 pm
1 stop9h 51m
$460
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.
AEX-SJU
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
AEX-PR0
AEX-SJU
How often are flights from Alexandria to Puerto Rico delayed?
About 50% of weekly flights between Alexandria and Puerto Rico have experienced delays in the past year, with the average delay time being 82 minutes.
What is the most punctual flight time for Alexandria to Puerto Rico flights?
Historically, flights departing in the morning are less likely to be delayed, whereas flights leaving in the evening tend to experience delays more often.
What day of the week experiences the fewest flight delays on this route?
Saturday tends to have the lowest number of delays on this route, whereas Tuesday 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.
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Alternative routes
Complete your trip
Flights by cabin class
Other flight options
Popular flights