Cheap flights from Islip to San Diego (ISP - SAN)

Flight FAQs

From Islip to San Diego

Which airlines flying from Islip Long Island to San Diego have flexible changes due to COVID-19?

American Airlines is one of the carriers that may have flexible change policies. You can use our site to filter for other airlines that may also have this kind of flexibility.

Can I find flights from Islip, New York to San Diego for under $300 on Cheapflights?

Yes, there are multiple flights from Islip, New York to San Diego for under $300. The cheapest flight booked recently is on American Airlines for just $267, but on average you can expect to pay $324.

Are there last-minute flights available from Islip, New York to San Diego for under $400?

There are currently 14+ open flights from Islip, New York to San Diego within the next 7 days for less than $400.

What is the cheapest airline to fly from Islip, New York to San Diego round-trip?

Cheapflights users have booked flights from Islip, New York to San Diego round-trip from $267. American Airlines is currently priced 33% below the average price you’ll pay for this route.

What are the cheapest flights from Islip, New York to San Diego?

Looking for the cheapest flight from Islip, New York to San Diego? While on average our users pay $700, our data indicates the cheapest price to be $158. The most popular route (Islip Long Island - San Diego), is priced around $331.