Skip to main content
Beginning of main content

DTW (Detroit) to ISP (Islip) Flights $325.6

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.

Cheap DTW to ISP Flights

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

Interesting Facts About Flights from Detroit to Islip (DTW to ISP)

Question : What is the cheapest round-trip ticket you can get to Ronkonkoma?
Answer : American Airlines is the leader in keeping costs down for their passengers over the next three months. Fares are being booked at just $406, which is quite a deal when compared to the high-end bookings of $783.

Question : Is price more important than specific travel days for you?
Answer : In July, Monday is your lowest-cost day to fly. Having flexibility in your travel plans means you can save more, so be sure to plan ahead when possible.

Question : How much should a trip from Detroit (DTW) to Ronkonkoma (ISP) cost?
Answer : Ranging from $406 to $783, prices for DTW to ISP change less than most routes in the United States. Remember, you can save by booking further in advance.

Question : What day in the next four weeks has the best fares?
Answer : Jul 15th has seen bookings (as of Jun 26th) as cheap as $406. That comes in 29% below the average price for this route. Saving now means you'll have more money in your pocket for the trip.

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