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San Juan

$248+ 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 4/3. Fares are subject to change and may not be available on all flights or dates of travel.
ILM — SJU
Apr 2 — Apr 91
Wed 4/2
Wed 4/9
1 adult, Economy
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Cheapflights Tip: The best prices from Wilmington New Hanover County to San Juan are usually found in August or May, booked 24 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 March 28, 2025.

Round-trip from

$269
(Mytrip)

One-way from

$248
(American Airlines)

Popular in

November

Cheapest in

August

Average price

$520
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. 20% potential increase in price ($143 potential increase over avg. RT price).
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Cheapest flight prices on average. 6% potential price decrease ($31 potential savings vs. average RT price).
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Average for round-trip flights in March 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 March 28, 2025.

This Mytrip deal was found by Cheapflights users on 3/27. 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 4/2412:20 pmILM - SJU
2 stops27h 04mMultiple Airlines
Wed 4/3012:57 amSJU - ILM
1 stop14h 40mMultiple Airlines
Deal found 3/27$269
This American Airlines deal was found by Cheapflights users on 3/27. 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 4/255:56 amILM - SJU
1 stop8h 39mAmerican Airlines
Tue 4/296:04 pmSJU - ILM
1 stop5h 30mAmerican Airlines
Deal found 3/27$335
This Delta deal was found by Cheapflights users on 3/26. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/152:24 pmILM - SJU
1 stop8h 27mDelta
Mon 6/236:15 amSJU - ILM
1 stop10h 43mDelta
Deal found 3/26$430
This United deal was found by Cheapflights users on 3/26. 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 United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/144:35 pmILM - SJU
1 stop7h 22mUnited Airlines
Fri 4/183:56 pmSJU - ILM
2 stops23h 47mUnited Airlines
Deal found 3/26$807

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 March 28, 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

Thu 4/24

12:20 pm-3:24 pm

2 stops27h 04m

San Juan Luis Munoz Marin Intl

Wed 4/30

12:57 am-3:37 pm

1 stop14h 40m

$269

WilmingtonSan Juan

ILM - SJU

ILMSJU

Wilmington New Hanover County

Fri 4/25

5:56 am-2:35 pm

1 stop8h 39m

San Juan Luis Munoz Marin Intl

Tue 4/29

6:04 pm-11:34 pm

1 stop5h 30m

$335

WilmingtonSan Juan

ILM - SJU

ILMSJU

Wilmington New Hanover County

Sun 6/15

2:24 pm-10:51 pm

1 stop8h 27m

San Juan Luis Munoz Marin Intl

Mon 6/23

6:15 am-4:58 pm

1 stop10h 43m

$430

WilmingtonSan Juan

ILM - SJU

ILMSJU

Wilmington New Hanover County

Mon 4/14

4:35 pm-11:57 pm

1 stop7h 22m

San Juan Luis Munoz Marin Intl

Fri 4/18

3:56 pm-3:43 pm

2 stops23h 47m

$807

WilmingtonSan Juan

ILM - SJU

ILMSJU

Wilmington New Hanover County

Thu 4/3

5:08 pm-5:00 am

1 stop11h 52m

$248

WilmingtonSan Juan

ILM - SJU

ILMSJU

Wilmington New Hanover County

Fri 4/4

3:46 pm-11:14 pm

1 stop7h 28m

$273

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/27

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 March 21, 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 24 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 December is currently the most expensive (average of $336). 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 March 28, 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.

Rainfall in San Juan by month

Plan your trip to San Juan by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in San Juan ranges from 2.2 - 6.1 inches per month. November is typically the wettest month, when rainfall can reach 6.1 in. February is typically the driest time to visit San Juan when rainfall is around 2.2 in.

Temperature in San Juan by month

Plan your trip to San Juan by taking into account the average temperature totals by month.

If weather is an important factor for your trip to San Juan, use this chart to help with planning. For those seeking warmer temperatures, June is the ideal time of year to visit, when temperatures reach an average of 82.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 77.0 F).

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 March 28, 2025.
To help decide which airline to fly from Wilmington to San Juan, see what other customers have to say about Delta, United Airlines and American Airlines. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,896 reviews

Crew

8.5

Boarding

8.2

Overall

8.0

Food

7.3

Comfort

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Delta
8.0
Very good
7,896 reviews
Delta
8.0
Very good
7,896 reviews

Crew

8.5

Boarding

8.2

Overall

8.0

Food

7.3

Comfort

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
United Airlines
7.4
Good
8,603 reviews
Delta
8.0
Very good
7,896 reviews

Crew

8.5

Boarding

8.2

Overall

8.0

Food

7.3

Comfort

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,896 reviews

Crew

8.5

Boarding

8.2

Overall

8.0

Food

7.3

Comfort

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

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 $335. Other airlines that can offer you cheap pricing are Delta, from $430, and United Airlines, from $807. Users have found that American Airlines is 38% 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 December is currently the most expensive (average of $336). 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 March 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$237Average$425FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$335Average$542FlexibilityNo cancel feeOn-time71%
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