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 11/5. Fares are subject to change and may not be available on all flights or dates of travel.
ILM — SJU
Aug 5 — Aug 121
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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 July 31, 2025.

Round-trip from

$365
(American Airlines)

One-way from

$233
(American Airlines)

Popular in

November

Cheapest in

February

Average price

$580
From Wilmington New Hanover County to San Juan
One-way flight from Wilmington New Hanover County to San Juan
Highest demand for flights based on searches. 15% potential increase in price ($98 potential increase over avg. RT price).
Cheapest flight prices on average. 3% potential price decrease ($20 potential savings vs. average RT price).
Average for round-trip flights in July 2025

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 July 31, 2025.

This American Airlines deal was found by Cheapflights users on 7/31. 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 11/76:00 amILM - SJU
1 stop8h 44mAmerican Airlines
Tue 11/116:00 amSJU - ILM
2 stops8h 16mAmerican Airlines
Deal found 7/31$365
This Priceline deal was found by Cheapflights users on 7/31. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/2810:48 amILM - SJU
1 stop7h 19mJetBlue
Thu 9/47:50 pmSJU - ILM
1 stop14h 55mJetBlue
Deal found 7/31$427
This Mytrip deal was found by Cheapflights users on 7/31. 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 8/283:51 pmILM - SJU
3 stops29h 57mMultiple Airlines
Thu 9/46:44 amSJU - ILM
1 stop13h 50mMultiple Airlines
Deal found 7/31$555
This Trip.com deal was found by Cheapflights users on 7/31. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/76:00 amILM - SJU
1 stop7h 40mUnited Airlines
Sat 11/222:05 amSJU - ILM
1 stop22h 45mUnited Airlines
Deal found 7/31$768

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 July 31, 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

Fri 11/7

6:00 am-3:44 pm

1 stop8h 44m

San Juan Luis Munoz Marin Intl

Tue 11/11

6:00 am-1:16 pm

2 stops8h 16m

$365

WilmingtonSan Juan

ILM - SJU

ILMSJU

Wilmington New Hanover County

Thu 8/28

10:48 am-6:07 pm

1 stop7h 19m

San Juan Luis Munoz Marin Intl

Thu 9/4

7:50 pm-10:45 am

1 stop14h 55m

$427

WilmingtonSan Juan

ILM - SJU

ILMSJU

Wilmington New Hanover County

Thu 8/28

3:51 pm-9:48 pm

3 stops29h 57m

San Juan Luis Munoz Marin Intl

Thu 9/4

6:44 am-8:34 pm

1 stop13h 50m

$555

WilmingtonSan Juan

ILM - SJU

ILMSJU

Wilmington New Hanover County

Fri 11/7

6:00 am-2:40 pm

1 stop7h 40m

San Juan Luis Munoz Marin Intl

Sat 11/22

2:05 am-11:50 pm

1 stop22h 45m

$768

WilmingtonSan Juan

ILM - SJU

ILMSJU

Wilmington New Hanover County

Wed 11/5

7:43 pm-1:04 pm

1 stop16h 21m

$233

WilmingtonSan Juan

ILM - SJU

ILMSJU

Wilmington New Hanover County

Wed 11/5

6:00 am-10:22 pm

3 stops15h 22m

$436

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/31

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 July 25, 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 July 31, 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.

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 July 31, 2025.
Peruse reviews from past customers who have flown with United Airlines, JetBlue, 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.

Food

6.6

Entertainment

7.1

Boarding

7.7

Overall

7.4

Crew

8.1

Comfort

7.3

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??

Food

6.6

Entertainment

7.1

Boarding

7.7

Overall

7.4

Crew

8.1

Comfort

7.3

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??

Food

6.6

Entertainment

7.1

Boarding

7.7

Overall

7.4

Crew

8.1

Comfort

7.3

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??

Food

6.6

Entertainment

7.1

Boarding

7.7

Overall

7.4

Crew

8.1

Comfort

7.3

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??

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 $365. Other airlines that can offer you cheap pricing are JetBlue, from $427, and United Airlines, from $768. Users have found that American Airlines is 33% 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 July 31, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$237Average$486FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$335Average$549FlexibilityNo cancel feeOn-time71%

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