Question : How long do most people visit Wilmington?
Answer : Of course you're not most people, but if you were, you'd stay roughly 17 days.
Question : Is Long Beach Airport (LGB) the cheapest airport for getting to Wilmington International Airport (ILM)?
Answer : Departing from Long Beach Airport is not the only way to get to Wilmington International Airport. Try searching for flights from Los Angeles International Airport (LAX) as well. Over the upcoming months, flights from LAX to ILM are being booked 24% cheaper than flights from LGB to ILM. Being only 17 miles away, it's easily accessible for most.