Skip to main content
Beginning of main content

Cheap Flights from Harrisburg to Islip $250.6

Search over 321,000 hotels worldwide and 400 airlines worldwide.
Secure incredible value with Expedia’s Price Guarantee
No Expedia cancellation fee to change or cancel almost any hotel reservation.

Cheapest Flights from Harrisburg to Islip (MDT to ISP)

Prices found within past 7 days. Prices and availability subject to change. Additional terms may apply.

Interesting Facts About Flights from Harrisburg to Islip (MDT to ISP)

Question : Do prices fluctuate more for this route than others?
Answer : Ranging from $296 to $381, prices for MDT to ISP fluctuate much less than the majority of routes in the United States. The further out you book a route, the more likely you are to save.

Question : Over the coming months, which airline is getting their passengers to Long Island MacArthur Airport (ISP) round-trip the cheapest?
Answer : Prices are hitting as high as $381 over the next three months when flying to ISP from MDT. Check out American Airlines, as they have been booking customers at just $296.

Question : How long do most people stay in Ronkonkoma?
Answer : Of course you're not most people, but if you were, you'd stay roughly five days.

Question : Would you be willing to change your travel days if it saved you money?
Answer : Friday is your cheapest day to fly in the month of March. Being flexible with your travel days garners even more savings during booking.

Question : How often are flights late from Harrisburg International Airport (MDT) to Long Island MacArthur Airport (ISP)?
Answer : The Middletown to Ronkonkoma route has been particularly poor at getting passengers to their destination on time and currently ranks among the worst in the world.

Question : In terms of overall promptness, how does MDT to ISP rank compared to the rest of the world?
Answer : MDT to ISP currently scores 0 out of a possible 5 stars in promptness. This score combines both the number of delayed flights and total delay minutes. With 0 stars, you should feel rather worried about getting to Ronkonkoma on time.