$113 Cheap Flights from San Juan (SJU) to Wilmington (ILG)

View $113 flight on Fri, Oct 24, 2025Opens in a new window

Popular airlines from Luis Munoz Marin Intl. Airport (SJU) to Wilmington, DE (ILG-New Castle)

Cheap Flights from San Juan to Wilmington (SJU-ILG)

Prices were available within the past 7 days and start at $113 for one-way flights and $226 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Thu, Oct 23 - Sun, Oct 26
SJU
San Juan
ILG
Wilmington
$226 Roundtrip, found 3 days ago
$226
Roundtrip
found 3 days ago
Select American Airlines flight, departing Thu, Oct 23 from San Juan to Wilmington, returning Sun, Oct 26, priced at $226 found 3 days ago
American Airlines
Thu, Dec 4 - Tue, Dec 9
SJU
San Juan
ILG
Wilmington
$231 Roundtrip, found 6 days ago
$231
Roundtrip
found 6 days ago
Select American Airlines flight, departing Thu, Dec 4 from San Juan to Wilmington, returning Tue, Dec 9, priced at $231 found 6 days ago
American Airlines
Thu, Oct 23 - Sun, Oct 26
SJU
San Juan
ILG
Wilmington
$286 Roundtrip, found 3 days ago
$286
Roundtrip
found 3 days ago
Select American Airlines flight, departing Thu, Oct 23 from San Juan to Wilmington, returning Sun, Oct 26, priced at $286 found 3 days ago
American Airlines
Thu, Dec 4 - Tue, Dec 9
SJU
San Juan
ILG
Wilmington
$291 Roundtrip, found 6 days ago
$291
Roundtrip
found 6 days ago
Select American Airlines flight, departing Thu, Dec 4 from San Juan to Wilmington, returning Tue, Dec 9, priced at $291 found 6 days ago
American Airlines
Sat, Dec 20 - Wed, Dec 31
SJU
San Juan
ILG
Wilmington
$295 Roundtrip, found 2 days ago
$295
Roundtrip
found 2 days ago
Select American Airlines flight, departing Sat, Dec 20 from San Juan to Wilmington, returning Wed, Dec 31, priced at $295 found 2 days ago
American Airlines
Sun, Feb 1 - Sun, Feb 8
SJU
San Juan
ILG
Wilmington
$309 Roundtrip, found 18 hours ago
$309
Roundtrip
found 18 hours ago
Select American Airlines flight, departing Sun, Feb 1 from San Juan to Wilmington, returning Sun, Feb 8, priced at $309 found 18 hours ago
American Airlines
Tue, Dec 23 - Tue, Dec 30
SJU
San Juan
ILG
Wilmington
$314 Roundtrip, just found
$314
Roundtrip
just found
Select American Airlines flight, departing Tue, Dec 23 from San Juan to Wilmington, returning Tue, Dec 30, priced at $314 just found
American Airlines
Wed, Oct 15 - Wed, Oct 22
SJU
San Juan
ILG
Wilmington
$326 Roundtrip, just found
$326
Roundtrip
just found
Select American Airlines flight, departing Wed, Oct 15 from San Juan to Wilmington, returning Wed, Oct 22, priced at $326 just found
American Airlines
Wed, Feb 11 - Mon, Feb 16
SJU
San Juan
ILG
Wilmington
$339 Roundtrip, found 4 days ago
$339
Roundtrip
found 4 days ago
Select American Airlines flight, departing Wed, Feb 11 from San Juan to Wilmington, returning Mon, Feb 16, priced at $339 found 4 days ago
American Airlines
Wed, Apr 1 - Tue, Apr 7
SJU
San Juan
ILG
Wilmington
$357 Roundtrip, found 23 hours ago
$357
Roundtrip
found 23 hours ago
Select American Airlines flight, departing Wed, Apr 1 from San Juan to Wilmington, returning Tue, Apr 7, priced at $357 found 23 hours ago

Alternative airports near Wilmington

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Philadelphia Intl. PHL. Cheapest option available. Average driving time to city center is 28 minutes. Flights from $198
PHL
Philadelphia Intl.
Cheapest
Average driving time to city center28 min
Flights from $198
Flights from San Juan (SJU) to Wilmington (ILG)
Origin airport
Luis Munoz Marin Intl.
Destination airport
New Castle
Airlines serving
American Airlines
Roundtrip price
$226
Distance
1575 mi
Average flight time
4 hours 55 mins

San Juan to Wilmington Flights

The cheapest times to fly from San Juan to Wilmington

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from San Juan to Wilmington are during the month of October. You can find some of the cheapest flights from San Juan to Wilmington with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from San Juan to Wilmington

Sunday is one of the best days to book for cheap flights from San Juan to Wilmington: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from San Juan to Wilmington

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from San Juan to Wilmington in 2025. You can also book with separate airlines for your outbound and return journeys, from $113 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap San Juan to Wilmington flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your San Juan to Wilmington airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from Luis Munoz Marin Intl. Airport (SJU) to Wilmington, DE (ILG-New Castle) cost?
Grab a cheap one-way flight from $113 or cheap return flight from $226 from Luis Munoz Marin Intl. Airport (SJU) to Wilmington, DE (ILG-New Castle) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight offers on this route.
What is the cheapest month to fly from Luis Munoz Marin Intl. Airport (SJU) to Wilmington, DE (ILG-New Castle)?
The cheapest month to fly from SJU to ILG is October, when demand is low. Off-peak months are generally when you'll find lower airfares between these airports.
Which airlines fly direct from Luis Munoz Marin Intl. Airport (SJU) to Wilmington, DE (ILG-New Castle)?
Catch a direct flight with Avelo Airlines and journey straight from Luis Munoz Marin Intl. Airport (SJU) to Wilmington, DE (ILG-New Castle).
What is the cheapest airline that flies from Luis Munoz Marin Intl. Airport (SJU) to Wilmington, DE (ILG-New Castle)?
Use the filter tool on Expedia to compare different airlines and find the cheapest carrier that'll fly you from SJU to ILG. Then, sort your results by "Price (lowest to highest)" to snag a great deal.
How many flights per day from Luis Munoz Marin Intl. Airport (SJU) to Wilmington, DE (ILG-New Castle)?
On average, Luis Munoz Marin Intl. Airport (SJU) has 2 nonstop flights to Wilmington, DE (ILG-New Castle) per week. For more options, take advantage of Expedia's filter tool to look for flights with one or more stops. Squeeze in a quick visit to another destination or just break up your journey.
What are the most popular departure times for flights from Luis Munoz Marin Intl. Airport (SJU) to Wilmington, DE (ILG-New Castle)?
The 12 PM departures from SJU to ILG are typically the busiest. Prices can be higher for these popular slots. If you want to save on your trip, pick a less crowded time to fly.
What day of the week has the most flights from SJU to ILG?
If you fly on a Wednesday, you'll get the greatest range of choices for flights from Luis Munoz Marin Intl. Airport (SJU) to Wilmington, DE (ILG-New Castle).
What is the earliest flight from Luis Munoz Marin Intl. Airport (SJU) to Wilmington, DE (ILG-New Castle)?
Hop on the earliest flight at around 12:15PM UTC-4, departing from Luis Munoz Marin Intl. Airport (SJU). You'll be traveling for about 4h 7m, arriving at Wilmington, DE (ILG-New Castle) at approximately 3:22PM UTC-5.
How long does it take to fly from Luis Munoz Marin Intl. Airport (SJU) to Wilmington, DE (ILG-New Castle)?
Flights from SJU to ILG have an average travel time of 4 hours and 7 minutes. The distance between these two airports is 1,600 mi.
What is the best time to fly from Luis Munoz Marin Intl. Airport (SJU) to Wilmington, DE (ILG-New Castle)?
To land at Wilmington, DE (ILG-New Castle) on schedule, select a flight that leaves Luis Munoz Marin Intl. Airport (SJU) before 3 PM. The likelihood of cancellations is 22% higher, on average, for departures after this hour.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Luis Munoz Marin Intl. Airport (SJU) to Wilmington, DE (ILG-New Castle) last-minute?
Last-minute fares from SJU to ILG are generally more expensive. To secure the lowest prices, start searching for flights well ahead of time. That said, if your travel plans are flexible, it's possible to score a cheap ticket just before your departure.
Can I cancel or change the date of my flight from Luis Munoz Marin Intl. Airport (SJU) to Wilmington, DE (ILG-New Castle)?
If you reserved your SJU to ILG flight in the last 24 hours, you may be able to modify or cancel it at no cost. Depending on the airline and the ticket type you purchased, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, visit our Customer Service portal if you want more information.

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*Available to One Key members.