$232 Cheap Flights from San José (SJO) to Wilmington (ILM)

View $232 flight on Sat, Feb 7, 2026Opens in a new window

  • Plan, book, fly with confidence

  • trending down icon
    Be in the know
    Get alerts if flight prices drop or rise*
  • bex rewards loyalty icon
    Book smarter
    Save up to 30% on select hotels after you book a flight*
  • one key icon
    Earn twice
    Earn your airline miles on top of our OneKeyCash
    Learn about One Key
Find available prices by choosing your travel dates.

Cheap Flights from San José to Wilmington (SJO-ILM)

Prices were available within the past 7 days and start at $232 for one-way flights and $470 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Tue, Jun 17 - Sat, Jul 26
SJO
San José
ILM
Wilmington
$470 Roundtrip, found 4 days ago
$470
Roundtrip
found 4 days ago
Select United flight, departing Tue, Jun 17 from San José to Wilmington, returning Sat, Jul 26, priced at $470 found 4 days ago
United
Fri, Jun 20 - Sat, Jul 26
SJO
San José
ILM
Wilmington
$509 Roundtrip, found 4 days ago
$509
Roundtrip
found 4 days ago
Select United flight, departing Fri, Jun 20 from San José to Wilmington, returning Sat, Jul 26, priced at $509 found 4 days ago
Delta
Sun, Jul 27 - Mon, Aug 11
SJO
San José
ILM
Wilmington
$527 Roundtrip, found 3 days ago
$527
Roundtrip
found 3 days ago
Select Delta flight, departing Sun, Jul 27 from San José to Wilmington, returning Mon, Aug 11, priced at $527 found 3 days ago
Delta
Tue, Jun 17 - Tue, Jul 22
SJO
San José
ILM
Wilmington
$531 Roundtrip, found 1 day ago
$531
Roundtrip
found 1 day ago
Select Delta flight, departing Tue, Jun 17 from San José to Wilmington, returning Tue, Jul 22, priced at $531 found 1 day ago
Delta
Sun, Jul 27 - Thu, Aug 14
SJO
San José
ILM
Wilmington
$534 Roundtrip, found 3 days ago
$534
Roundtrip
found 3 days ago
Select Delta flight, departing Sun, Jul 27 from San José to Wilmington, returning Thu, Aug 14, priced at $534 found 3 days ago
American Airlines
Wed, Jun 18 - Tue, Jul 22
SJO
San José
ILM
Wilmington
$552 Roundtrip, found 1 day ago
$552
Roundtrip
found 1 day ago
Select American Airlines flight, departing Wed, Jun 18 from San José to Wilmington, returning Tue, Jul 22, priced at $552 found 1 day ago
American Airlines
Wed, Jun 18 - Tue, Jul 22
SJO
San José
ILM
Wilmington
$557 Roundtrip, found 1 day ago
$557
Roundtrip
found 1 day ago
Select American Airlines flight, departing Wed, Jun 18 from San José to Wilmington, returning Tue, Jul 22, priced at $557 found 1 day ago
Delta
Mon, Jun 16 - Tue, Jul 22
SJO
San José
ILM
Wilmington
$558 Roundtrip, found 1 day ago
$558
Roundtrip
found 1 day ago
Select Delta flight, departing Mon, Jun 16 from San José to Wilmington, returning Tue, Jul 22, priced at $558 found 1 day ago
American Airlines
Wed, Jun 18 - Tue, Jul 22
SJO
San José
ILM
Wilmington
$559 Roundtrip, found 1 day ago
$559
Roundtrip
found 1 day ago
Select American Airlines flight, departing Wed, Jun 18 from San José to Wilmington, returning Tue, Jul 22, priced at $559 found 1 day ago
JetBlue Airways
Wed, May 14 - Wed, May 28
SJO
San José
ILM
Wilmington
$592 Roundtrip, found 11 hours ago
$592
Roundtrip
found 11 hours ago
Select JetBlue Airways flight, departing Wed, May 14 from San José to Wilmington, returning Wed, May 28, priced at $592 found 11 hours ago
Flights from San José (SJO) to Wilmington (ILM)
Origin airport
Juan Santamaría Intl.
Destination airport
Wilmington Intl.
Airlines serving
American Airlines, Delta, JetBlue Airways, United
Roundtrip price
$469
Distance
1723 mi

San José to Wilmington Flights

The cheapest times to fly from San José 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 José to Wilmington are during the month of June. You can find some of the cheapest flights from San José to Wilmington with Expedia's search tool and vast selection of airlines.

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

Sunday is one of the best days to book for cheap flights from San José 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 José 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 José to Wilmington in 2025. You can also book with separate airlines for your outbound and return journeys, from $232 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 José 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 José 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 Juan Santamaria Intl. Airport (SJO) to Wilmington Intl. Airport (ILM) cost?
Discover the latest flight deals from SJO to ILM by entering your preferred travel dates and searching on Expedia. Easily compare prices by departure date if you have flexibility with your schedule and use handy filters to explore prices for your preferred journey. As a member of One Key™, our free loyalty program, you can use Price Tracking to watch fares and receive notifications if prices go up or down.
What is the cheapest month to fly from SJO to ILM?
The cheapest flights from SJO to ILM are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
What is the cheapest airline that flies from SJO to ILM?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that’ll take you from SJO to ILM. Sort your results by “Price (lowest to highest)” to snap up a great deal.
How many flights per day from Juan Santamaria Intl. Airport (SJO) to Wilmington Intl. Airport (ILM)?
There aren’t any daily nonstop flights available from Juan Santamaria Intl. Airport (SJO) to Wilmington Intl. Airport (ILM). But you can opt for flights with layovers. Filter your search on Expedia to include one or two stops, and you’ll be on your way before you know it.
What day of the week has the most flights from SJO to ILM?
Friday is generally the busiest day for flights, while Tuesday tends to be the quietest.* Just remember that flight schedules can change depending on a number of factors, such as the time of year and carrier.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Juan Santamaria Intl. Airport (SJO) to Wilmington Intl. Airport (ILM)?
To avoid possible delays on the Juan Santamaria Intl. Airport (SJO) to Wilmington Intl. Airport (ILM) route, aim to travel before 3 PM. Later flights are 22% more likely to be canceled.**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 Juan Santamaria Intl. Airport (SJO) to Wilmington Intl. Airport (ILM) last-minute?
Booking your ticket from SJO to ILM just before your trip is typically more expensive. However, if there’s some wiggle room with your departure dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a SJO to ILM flight and hotel package?
Compared with arranging hotels and flights separately, booking a SJO to ILM flight and hotel package with Expedia could result in significant savings. Better still, managing everything in one place takes the hassle out of travel planning. Simply secure your flights and select from our extensive range of stays, then customize your trip with extras like activities and car rentals.
Can I cancel or change the date of my flight from Juan Santamaria Intl. Airport (SJO) to Wilmington Intl. Airport (ILM)?
It’s generally possible to reschedule or cancel your SJO to ILM flight. However, for bookings made more than 24 hours ago, additional charges may apply. Refer to your airline’s policies in your itinerary to see what changes are possible and if any costs are involved. You’ll also find further details on our Customer Service portal.

Explore a world of travel with Expedia

*Available to One Key members.