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San Juan

$142+ 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 12/12. Fares are subject to change and may not be available on all flights or dates of travel.
ILM — SJU
ott 16 — ott 231
gio 10/16
gio 10/23
1 adult, Economy
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Cheapflights Tip: The best prices from Wilmington New Hanover County to San Juan are usually found in September or February, 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 settembre 16, 2025.

Round-trip from

$320
(Kiwi.com)

One-way from

$142
(Trip.com)

Popular in

December

Cheapest in

September

Average price

$421
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. 12% potential increase in price ($76 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($17 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 settembre 16, 2025.

This Kiwi.com deal was found by Cheapflights users on 9/14. 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.
ven 10/241:00 pmILM - SJU
1 stop12h 44mMultiple Airlines
dom 10/262:49 amSJU - ILM
1 stop9h 31mMultiple Airlines
Deal found 9/14$320
This Kiwi.com deal was found by Cheapflights users on 9/15. 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 10/131:00 pmILM - SJU
2 stops50h 24mMultiple Airlines
dom 10/262:49 amSJU - ILM
1 stop9h 31mMultiple Airlines
Deal found 9/15$340
This Kiwi.com deal was found by Cheapflights users on 9/14. 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 9/299:10 amILM - SJU
2 stops40h 48mMultiple Airlines
gio 10/23:39 amSJU - ILM
1 stop8h 41mMultiple Airlines
Deal found 9/14$345
This Kiwi.com deal was found by Cheapflights users on 9/14. 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.
ven 10/101:00 pmILM - SJU
1 stop12h 44mMultiple Airlines
dom 10/122:49 amSJU - ILM
1 stop9h 31mMultiple Airlines
Deal found 9/14$350
This Mytrip deal was found by Cheapflights users on 9/15. 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.
lun 10/65:42 pmILM - SJU
2 stops20h 30mMultiple Airlines
gio 10/911:51 amSJU - ILM
2 stops10h 12mMultiple Airlines
Deal found 9/15$359
This Kiwi.com deal was found by Cheapflights users on 9/13. 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.
ven 9/199:10 amILM - SJU
2 stops49h 54mMultiple Airlines
dom 9/286:44 amSJU - ILM
1 stop25h 46mMultiple Airlines
Deal found 9/13$386

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 settembre 16, 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

ven 10/24

1:00 pm-1:44 am

1 stop12h 44m

San Juan Luis Munoz Marin Intl

dom 10/26

2:49 am-12:20 pm

1 stop9h 31m

$320

WilmingtonSan Juan

ILM - SJU

ILMSJU

Wilmington New Hanover County

lun 9/29

9:10 am-2:11 pm

1 stop29h 01m

San Juan Luis Munoz Marin Intl

ven 10/3

9:26 pm-8:40 am

2 stops35h 14m

$351

WilmingtonSan Juan

ILM - SJU

ILMSJU

Wilmington New Hanover County

ven 10/10

1:00 pm-12:29 am

2 stops35h 29m

San Juan Luis Munoz Marin Intl

dom 10/12

2:49 am-12:20 pm

1 stop9h 31m

$379

WilmingtonSan Juan

ILM - SJU

ILMSJU

Wilmington New Hanover County

lun 10/6

5:42 pm-1:44 am

3 stops32h 02m

San Juan Luis Munoz Marin Intl

gio 10/9

11:51 am-10:03 pm

2 stops10h 12m

$387

WilmingtonSan Juan

ILM - SJU

ILMSJU

Wilmington New Hanover County

sab 11/8

8:08 pm-12:05 pm

1 stop14h 57m

San Juan Luis Munoz Marin Intl

sab 11/15

8:00 am-10:05 pm

1 stop15h 05m

$390

WilmingtonSan Juan

ILM - SJU

ILMSJU

Wilmington New Hanover County

ven 10/24

6:00 am-3:55 pm

1 stop9h 55m

San Juan Luis Munoz Marin Intl

lun 10/27

7:10 am-2:04 pm

1 stop6h 54m

$405

WilmingtonSan Juan

ILM - SJU

ILMSJU

Wilmington New Hanover County

lun 10/6

9:01 am-11:54 pm

1 stop14h 53m

San Juan Luis Munoz Marin Intl

gio 10/9

7:10 am-12:08 am

1 stop16h 58m

$445

WilmingtonSan Juan

ILM - SJU

ILMSJU

Wilmington New Hanover County

sab 10/25

1:14 pm-1:56 am

2 stops12h 42m

$181

WilmingtonSan Juan

ILM - SJU

ILMSJU

Wilmington New Hanover County

ven 12/12

1:00 pm-7:49 pm

2 stops29h 49m

$231

WilmingtonSan Juan

ILM - SJU

ILMSJU

Wilmington New Hanover County

sab 12/13

8:39 pm-2:15 pm

1 stop16h 36m

$233

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/15

Showing 1-10 of 13 results
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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 September 12, 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 settembre 16, 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 settembre 16, 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
7,957 reviews

Overall

8.0

Boarding

8.2

Food

7.3

Crew

8.5

Comfort

7.9

Entertainment

7.9

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
7,957 reviews
Delta
8.0
Very good
7,957 reviews

Overall

8.0

Boarding

8.2

Food

7.3

Crew

8.5

Comfort

7.9

Entertainment

7.9

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
7,957 reviews

Overall

8.0

Boarding

8.2

Food

7.3

Crew

8.5

Comfort

7.9

Entertainment

7.9

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 60% 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 settembre 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$218Average$424FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$335Average$551FlexibilityNo cancel feeOn-time71%

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