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San Juan

$313+ Cheap flights from Wilmington (ILM) to San Juan

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 12/23. Fares are subject to change and may not be available on all flights or dates of travel.
ILM — SJU
nov. 22 — nov. 291
sáb. 11/22
sáb. 11/29
1 adult, Economy
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Cheapflights Tip: The best prices from Wilmington New Hanover County to San Juan are usually found in November or September, booked 51 days in advance, depart on a Sunday or Wednesday and return on a Friday

Cheap flight deals from Wilmington to San Juan

Discover tips and strategies to find the most affordable flight options for your journey from Wilmington (ILM) to San Juan (PR1). 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 octubre 23, 2025.

Round-trip from

$349
(Kiwi.com)

One-way from

$313
(American Airlines)

Popular in

December

Cheapest in

November

Average price

$574
From Wilmington New Hanover County to San Juan
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One-way flight from Wilmington New Hanover County to San Juan
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Highest demand for flights based on searches. 3% potential increase in price ($17 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($22 potential savings vs. average RT price).
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Average for round-trip flights in October 2025
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Find flight deals from Wilmington to San Juan

Cheapest flights from Wilmington to San Juan
Explore the most affordable flight options available from Wilmington to San Juan. Find the lowest fares from popular airlines and budget airlines, with prices last updated on octubre 23, 2025.

This Kiwi.com deal was found by Cheapflights users on 10/22. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 11/143:17 pmILM - SJU
2 stops35h 16mMultiple Airlines
sáb. 11/2210:28 pmSJU - ILM
1 stop23h 08mMultiple Airlines
Deal found 10/22$379
This American Airlines deal was found by Cheapflights users on 10/21. 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.
lun. 12/16:00 amILM - SJU
1 stop9h 06mAmerican Airlines
lun. 12/86:42 pmSJU - ILM
1 stop6h 17mAmerican Airlines
Deal found 10/21$405
This Kiwi.com deal was found by Cheapflights users on 10/21. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 12/13:17 pmILM - SJU
1 stop7h 27mMultiple Airlines
dom. 12/73:55 amSJU - ILM
1 stop9h 25mMultiple Airlines
Deal found 10/21$414
This American Airlines deal was found by Cheapflights users on 10/21. 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.
lun. 11/178:12 amILM - SJU
2 stops8h 40mAmerican Airlines
lun. 11/2412:02 pmSJU - ILM
1 stop13h 21mAmerican Airlines
Deal found 10/21$425
This American Airlines deal was found by Cheapflights users on 10/22. 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.
jue. 12/116:00 amILM - SJU
1 stop6h 30mAmerican Airlines
dom. 12/142:36 pmSJU - ILM
1 stop10h 23mAmerican Airlines
Deal found 10/22$455
This Mytrip deal was found by Cheapflights users on 10/21. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 12/241:10 pmILM - SJU
2 stops21h 46mMultiple Airlines
jue. 1/87:00 amSJU - ILM
2 stops17h 06mMultiple Airlines
Deal found 10/21$459
This American Airlines deal was found by Cheapflights users on 10/23. 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.
dom. 12/77:14 pmILM - SJU
1 stop13h 55mAmerican Airlines
dom. 12/142:36 pmSJU - ILM
1 stop10h 23mAmerican Airlines
Deal found 10/23$475

Cheapflights Fare Finder

 
Customize your flight search to find flights from Wilmington to San Juan 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 octubre 23, 2025.
Use the filters below to find and compare flights from Wilmington to San Juan that are best for you.

Fly from

Wilmington

Fly to

San Juan

Route

Depart

Return

Price

WilmingtonSan Juan

ILM - SJU

ILMSJU

Wilmington New Hanover County

vie. 2/20

8:00 am-4:39 am

2 stops19h 39m

San Juan Luis Munoz Marin Intl

mié. 2/25

12:10 pm-8:10 pm

1 stop9h 00m

$342

WilmingtonSan Juan

ILM - SJU

ILMSJU

Wilmington New Hanover County

dom. 1/4

4:46 pm-7:56 pm

2 stops26h 10m

San Juan Luis Munoz Marin Intl

sáb. 1/10

3:55 am-9:29 pm

1 stop18h 34m

$375

WilmingtonSan Juan

ILM - SJU

ILMSJU

Wilmington New Hanover County

lun. 12/1

3:17 pm-11:44 pm

1 stop7h 27m

San Juan Luis Munoz Marin Intl

dom. 12/7

3:55 am-12:20 pm

1 stop9h 25m

$414

WilmingtonSan Juan

ILM - SJU

ILMSJU

Wilmington New Hanover County

vie. 11/14

1:00 pm-11:19 am

1 stop21h 19m

San Juan Luis Munoz Marin Intl

sáb. 11/22

10:28 pm-8:36 pm

1 stop23h 08m

$427

WilmingtonSan Juan

ILM - SJU

ILMSJU

Wilmington New Hanover County

sáb. 2/21

4:03 pm-11:05 am

2 stops18h 02m

San Juan Luis Munoz Marin Intl

sáb. 2/28

12:10 pm-8:10 pm

1 stop9h 00m

$452

WilmingtonSan Juan

ILM - SJU

ILMSJU

Wilmington New Hanover County

jue. 12/11

6:00 am-1:30 pm

1 stop6h 30m

San Juan Luis Munoz Marin Intl

dom. 12/14

2:36 pm-11:59 pm

1 stop10h 23m

$455

WilmingtonSan Juan

ILM - SJU

ILMSJU

Wilmington New Hanover County

mar. 12/23

5:01 am-6:07 pm

1 stop12h 06m

$313

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/21

Best time to book a flight from Wilmington to San Juan

Have a flexible travel schedule? Discover the best time to fly to San Juan from Wilmington 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 Wilmington to San Juan

How far ahead should I book a flight from Wilmington to San Juan?

Use this chart to determine the optimal time to book a round-trip flight from Wilmington to San Juan. Price data was last updated on October 17, 2025.

The price you pay for your flight from Wilmington to San Juan may vary depending on when you book. For the best chance of a lower fare, look to book 51 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

What is the cheapest month to book a flight from Wilmington to San Juan?

Currently, June is the cheapest month in which you can book a flight from Wilmington to San Juan (average of $151). Flying from Wilmington to San Juan in October is currently the most expensive (average of $354). 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.

What is the cheapest time of day to fly from ILM to SJU?

Find hourly flight availability from Wilmington to San Juan. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated octubre 23, 2025.

One of the essential ways to save on airfare from Wilmington to San Juan is to remain as flexible as possible. Flights that are at noon tend to be the most expensive. A flight in the afternoon could potentially save you up to 11% on airfare.

Reviews of airlines servicing San Juan

Get insights into the airlines that provide service to San Juan. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to San Juan. Reviews last updated octubre 23, 2025.
Peruse reviews from past customers who have flown with Delta and American Airlines from Wilmington to San Juan to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
7,982 reviews

Comfort

7.9

Entertainment

7.9

Food

7.3

Crew

8.5

Overall

7.9

Boarding

8.2

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
Delta
7.9
Good
7,982 reviews
Delta
7.9
Good
7,982 reviews

Comfort

7.9

Entertainment

7.9

Food

7.3

Crew

8.5

Overall

7.9

Boarding

8.2

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
American Airlines
7.2
Good
11,032 reviews
Delta
7.9
Good
7,982 reviews

Comfort

7.9

Entertainment

7.9

Food

7.3

Crew

8.5

Overall

7.9

Boarding

8.2

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.

Related info for your journey

Find useful and relevant information for your journey from Wilmington to San Juan. 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 Wilmington to San Juan?

    Wilmington New Hanover County (ILM), located 4.3 mi from the city center, is the airport you fly out of when you book flights from Wilmington to San Juan. 2 airlines have flights from New Hanover County to San Juan on a regular basis. Booking flights from Wilmington New Hanover County to San Juan should not be difficult; the airport handles an average of 0 outbound flights to San Juan per day.

  • What are the cheapest airlines flying from Wilmington to San Juan round-trip?

    Cheapflights users have booked flights from Wilmington to San Juan round-trip from $218. Another airline that can offer you cheap pricing is American Airlines. Users have found that Delta is 59% cheaper than the other options available to this destination.

  • Can I find deals for flights from Wilmington to San Juan that include hotel bookings?

    Yes. In addition to deals on Wilmington to San Juan flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Wilmington to San Juan?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Wilmington to San Juan.

  • Can I find deals for business class flights from Wilmington to San Juan?

    Yes. Cheapflights offers flight deals from Wilmington to San Juan 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 Wilmington to San Juan?

    Currently, June is the cheapest month in which you can book a flight from Wilmington to San Juan (average of $151). Flying from Wilmington to San Juan in October is currently the most expensive (average of $354). 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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Top 2 airlines flying from Wilmington to San Juan

Discover the top 2 airlines that operate flights from Wilmington to San Juan. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated octubre 23, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$218Average$424FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$335Average$532FlexibilityNo cancel feeOn-time71%

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