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San Juan

$195+ 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 11/14. Fares are subject to change and may not be available on all flights or dates of travel.
ILM — SJU
Dec 3 — Dec 101
Wed 12/3
Wed 12/10
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 November 3, 2025.

Round-trip from

$341
(Mytrip)

One-way from

$195
(Kiwi.com)

Popular in

December

Cheapest in

November

Average price

$405
From Wilmington New Hanover County to San Juan
Search Deals
One-way flight from Wilmington New Hanover County to San Juan
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Highest demand for flights based on searches. 4% potential increase in price ($26 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($24 potential savings vs. average RT price).
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Average for round-trip flights in November 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 November 3, 2025.

This Mytrip deal was found by Cheapflights users on 11/1. 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.
Sun 11/167:00 amILM - SJU
2 stops9h 19mMultiple Airlines
Thu 11/208:33 pmSJU - ILM
2 stops27h 39mMultiple Airlines
Deal found 11/1$341
This Mytrip deal was found by Cheapflights users on 11/2. 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.
Sat 11/228:00 amILM - SJU
2 stops25h 49mMultiple Airlines
Wed 11/268:06 pmSJU - ILM
2 stops21h 15mMultiple Airlines
Deal found 11/2$348
This Kiwi.com deal was found by Cheapflights users on 11/1. 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 11/171:00 pmILM - SJU
2 stops27h 54mMultiple Airlines
Mon 11/246:52 pmSJU - ILM
1 stop14h 48mMultiple Airlines
Deal found 11/1$357
This Mytrip deal was found by Cheapflights users on 11/1. 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.
Thu 12/45:21 pmILM - SJU
2 stops30h 24mMultiple Airlines
Sat 12/64:10 amSJU - ILM
2 stops18h 23mMultiple Airlines
Deal found 11/1$389
This Mytrip deal was found by Cheapflights users on 11/2. 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.
Wed 12/171:10 pmILM - SJU
2 stops21h 48mMultiple Airlines
Tue 12/234:10 amSJU - ILM
2 stops19h 43mMultiple Airlines
Deal found 11/2$394
This Mytrip deal was found by Cheapflights users on 11/1. 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.
Wed 11/1911:42 amILM - SJU
3 stops31h 45mMultiple Airlines
Sun 11/233:44 amSJU - ILM
1 stop15h 32mMultiple Airlines
Deal found 11/1$397

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 November 3, 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

Sun 11/16

7:00 am-5:19 pm

2 stops9h 19m

San Juan Luis Munoz Marin Intl

Thu 11/20

8:33 pm-11:12 pm

2 stops27h 39m

$341

WilmingtonSan Juan

ILM - SJU

ILMSJU

Wilmington New Hanover County

Sat 11/22

8:00 am-10:49 am

2 stops25h 49m

San Juan Luis Munoz Marin Intl

Wed 11/26

8:06 pm-4:21 pm

2 stops21h 15m

$348

WilmingtonSan Juan

ILM - SJU

ILMSJU

Wilmington New Hanover County

Sat 1/10

7:43 pm-1:08 pm

1 stop16h 25m

San Juan Luis Munoz Marin Intl

Fri 1/16

4:49 pm-11:57 pm

1 stop8h 08m

$365

WilmingtonSan Juan

ILM - SJU

ILMSJU

Wilmington New Hanover County

Wed 12/17

1:10 pm-11:58 am

2 stops21h 48m

San Juan Luis Munoz Marin Intl

Wed 12/24

11:38 am-10:53 pm

2 stops12h 15m

$394

WilmingtonSan Juan

ILM - SJU

ILMSJU

Wilmington New Hanover County

Mon 4/27

2:30 pm-10:54 pm

1 stop8h 24m

San Juan Luis Munoz Marin Intl

Fri 5/1

6:15 am-1:36 pm

1 stop7h 21m

$405

WilmingtonSan Juan

ILM - SJU

ILMSJU

Wilmington New Hanover County

Mon 11/17

1:00 pm-5:54 pm

2 stops27h 54m

San Juan Luis Munoz Marin Intl

Sun 11/23

3:59 am-12:20 pm

1 stop9h 21m

$405

WilmingtonSan Juan

ILM - SJU

ILMSJU

Wilmington New Hanover County

Fri 11/14

1:00 pm-11:19 am

1 stop21h 19m

$195

WilmingtonSan Juan

ILM - SJU

ILMSJU

Wilmington New Hanover County

Fri 11/14

4:27 pm-12:36 am

1 stop7h 09m

$283

WilmingtonSan Juan

ILM - SJU

ILMSJU

Wilmington New Hanover County

Fri 11/14

6:00 am-5:52 pm

2 stops10h 52m

$283

WilmingtonSan Juan

ILM - SJU

ILMSJU

Wilmington New Hanover County

Mon 12/29

11:04 am-9:09 pm

1 stop9h 05m

$343

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/2

Showing 1-10 of 12 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 October 31, 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 November 3, 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.

How much does it cost to fly round-trip from Wilmington to San Juan?

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 November 3, 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
8,001 reviews

Comfort

7.9

Entertainment

7.9

Food

7.3

Overall

7.9

Boarding

8.2

Crew

8.5

Reviews

1 / 20
8.0
Excellent

Lane,Nov 2025

MEM - ATL

The crew was very friendly, but they only came around and offered the better Delta Comfort snacks one time. I thought they would come around more frequently on a 5 hour flight. They did do two beverage services though, which was nice.
Delta
7.9
Good
8,001 reviews
Delta
7.9
Good
8,001 reviews

Comfort

7.9

Entertainment

7.9

Food

7.3

Overall

7.9

Boarding

8.2

Crew

8.5

Reviews

1 / 20
8.0
Excellent

Lane,Nov 2025

MEM - ATL

The crew was very friendly, but they only came around and offered the better Delta Comfort snacks one time. I thought they would come around more frequently on a 5 hour flight. They did do two beverage services though, which was nice.
American Airlines
7.2
Good
11,034 reviews
Delta
7.9
Good
8,001 reviews

Comfort

7.9

Entertainment

7.9

Food

7.3

Overall

7.9

Boarding

8.2

Crew

8.5

Reviews

1 / 20
8.0
Excellent

Lane,Nov 2025

MEM - ATL

The crew was very friendly, but they only came around and offered the better Delta Comfort snacks one time. I thought they would come around more frequently on a 5 hour flight. They did do two beverage services though, which was nice.

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.

  • How long is the flight from Wilmington to San Juan?

    A quick flight from Wilmington to San Juan can take about 16h 25m. American Airlines provides one of the quickest options available for as low as $365. There are 1315 mi between Wilmington and San Juan.

  • 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 November 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$218Average$424FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$335Average$532FlexibilityNo cancel feeOn-time71%

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