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San Juan

$233+ 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 10/10. Fares are subject to change and may not be available on all flights or dates of travel.
ILM — SJU
Oct 10 — Oct 171
Fri 10/10
Fri 10/17
1 adult, Economy
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Cheapflights Tip: The best prices from Wilmington New Hanover County to San Juan are usually found in February or May, 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 September 10, 2025.

Round-trip from

$314
(Kiwi.com)

One-way from

$233
(American Airlines)

Popular in

November

Cheapest in

February

Average price

$494
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. 15% potential increase in price ($101 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($15 potential savings vs. average RT price).
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Average for round-trip flights in September 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 September 10, 2025.

This Kiwi.com deal was found by Cheapflights users on 9/9. 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.
Mon 11/31:00 pmILM - SJU
1 stop12h 44mMultiple Airlines
Sat 11/87:30 amSJU - ILM
1 stop26h 10mMultiple Airlines
Deal found 9/9$314
This Kiwi.com deal was found by Cheapflights users on 9/9. 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.
Mon 11/31:00 pmILM - SJU
1 stop12h 44mMultiple Airlines
Thu 11/1312:10 pmSJU - ILM
1 stop25h 10mMultiple Airlines
Deal found 9/9$327
This Kiwi.com deal was found by Cheapflights users on 9/9. 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.
Mon 11/31:00 pmILM - SJU
1 stop12h 44mMultiple Airlines
Sun 11/912:10 pmSJU - ILM
1 stop25h 10mMultiple Airlines
Deal found 9/9$329
This Kiwi.com deal was found by Cheapflights users on 9/9. 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.
Sun 11/23:35 pmILM - SJU
1 stop10h 09mMultiple Airlines
Sat 11/87:30 amSJU - ILM
1 stop26h 10mMultiple Airlines
Deal found 9/9$331
This Kiwi.com deal was found by Cheapflights users on 9/8. 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.
Mon 9/229:10 amILM - SJU
1 stop29h 01mMultiple Airlines
Thu 9/253:19 pmSJU - ILM
1 stop17h 11mMultiple Airlines
Deal found 9/8$335
This Kiwi.com deal was found by Cheapflights users on 9/9. 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.
Thu 11/62:10 pmILM - SJU
2 stops49h 13mMultiple Airlines
Thu 11/1312:10 pmSJU - ILM
1 stop25h 10mMultiple Airlines
Deal found 9/9$340
This Kiwi.com deal was found by Cheapflights users on 9/9. 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.
Sun 11/23:35 pmILM - SJU
1 stop10h 09mMultiple Airlines
Thu 11/1312:10 pmSJU - ILM
1 stop25h 10mMultiple Airlines
Deal found 9/9$343
This Kiwi.com deal was found by Cheapflights users on 9/9. 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.
Sun 11/23:35 pmILM - SJU
1 stop10h 09mMultiple Airlines
Sun 11/912:10 pmSJU - ILM
1 stop25h 10mMultiple Airlines
Deal found 9/9$346
This Kiwi.com deal was found by Cheapflights users on 9/9. 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.
Thu 11/62:10 pmILM - SJU
1 stop20h 51mMultiple Airlines
Sun 11/912:10 pmSJU - ILM
1 stop25h 10mMultiple Airlines
Deal found 9/9$348
This Kiwi.com deal was found by Cheapflights users on 9/9. 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.
Fri 11/71:00 pmILM - SJU
1 stop27h 34mMultiple Airlines
Fri 11/146:17 pmSJU - ILM
2 stops39h 23mMultiple Airlines
Deal found 9/9$352

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 September 10, 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

Mon 11/3

1:00 pm-2:44 am

1 stop12h 44m

San Juan Luis Munoz Marin Intl

Sat 11/8

7:30 am-8:40 am

1 stop26h 10m

$314

WilmingtonSan Juan

ILM - SJU

ILMSJU

Wilmington New Hanover County

Mon 11/3

1:00 pm-2:44 am

1 stop12h 44m

San Juan Luis Munoz Marin Intl

Sun 11/9

12:10 pm-12:20 pm

1 stop25h 10m

$329

WilmingtonSan Juan

ILM - SJU

ILMSJU

Wilmington New Hanover County

Mon 9/22

9:10 am-2:11 pm

1 stop29h 01m

San Juan Luis Munoz Marin Intl

Thu 9/25

3:19 pm-8:30 am

1 stop17h 11m

$335

WilmingtonSan Juan

ILM - SJU

ILMSJU

Wilmington New Hanover County

Mon 11/3

1:00 pm-2:44 am

1 stop12h 44m

San Juan Luis Munoz Marin Intl

Fri 11/14

6:17 pm-8:40 am

2 stops39h 23m

$339

WilmingtonSan Juan

ILM - SJU

ILMSJU

Wilmington New Hanover County

Thu 11/6

2:10 pm-4:23 pm

2 stops49h 13m

San Juan Luis Munoz Marin Intl

Thu 11/13

12:10 pm-12:20 pm

1 stop25h 10m

$340

WilmingtonSan Juan

ILM - SJU

ILMSJU

Wilmington New Hanover County

Mon 11/3

1:00 pm-2:44 am

1 stop12h 44m

San Juan Luis Munoz Marin Intl

Thu 11/13

12:51 pm-8:55 pm

2 stops33h 04m

$341

WilmingtonSan Juan

ILM - SJU

ILMSJU

Wilmington New Hanover County

Sun 11/2

3:35 pm-2:44 am

1 stop10h 09m

San Juan Luis Munoz Marin Intl

Thu 11/13

12:51 pm-8:55 pm

2 stops33h 04m

$358

WilmingtonSan Juan

ILM - SJU

ILMSJU

Wilmington New Hanover County

Thu 11/6

4:46 pm-9:52 am

1 stop16h 06m

San Juan Luis Munoz Marin Intl

Sat 11/8

7:30 am-8:40 am

1 stop26h 10m

$359

WilmingtonSan Juan

ILM - SJU

ILMSJU

Wilmington New Hanover County

Mon 10/6

1:00 pm-1:44 am

1 stop12h 44m

San Juan Luis Munoz Marin Intl

Thu 10/9

11:51 am-12:20 pm

2 stops24h 29m

$363

WilmingtonSan Juan

ILM - SJU

ILMSJU

Wilmington New Hanover County

Tue 11/4

6:00 am-1:43 pm

1 stop6h 43m

San Juan Luis Munoz Marin Intl

Mon 11/10

5:59 pm-9:26 am

1 stop16h 27m

$365

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/7

Showing 1-10 of 13 results
1
2

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 August 29, 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, September is the cheapest month in which you can book a flight from Wilmington to San Juan (average of $254). Flying from Wilmington to San Juan in June is currently the most expensive (average of $339). 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 September 10, 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 in the morning tend to be the most expensive. A flight in the afternoon could potentially save you up to 6% 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 September 10, 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
8.0
Very good
7,963 reviews

Food

7.3

Entertainment

7.9

Boarding

8.2

Crew

8.5

Comfort

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,963 reviews
Delta
8.0
Very good
7,963 reviews

Food

7.3

Entertainment

7.9

Boarding

8.2

Crew

8.5

Comfort

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,963 reviews

Food

7.3

Entertainment

7.9

Boarding

8.2

Crew

8.5

Comfort

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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 61% 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, September is the cheapest month in which you can book a flight from Wilmington to San Juan (average of $254). Flying from Wilmington to San Juan in June is currently the most expensive (average of $339). 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.

See more FAQs

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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 September 10, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$218Average$424FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$335Average$558FlexibilityNo cancel feeOn-time71%

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