€84 : Cheap Flights from Manassas to Islip

Flight FAQs

FAQs about flights from Manassas to Islip (no local airports)

• Which airlines offer the cheapest flights from Washington D.C. (WAS) to Islip (ISP)?

  Based on Trip.com data, Jetblue Airways offers one-way fares as low as €84 on Cheapest nonstop routes (e.g. DCA to ISP on Tue, Dec 16), while Frontier Airlines offers Cheapest nonstop round-trips from €240 departing on Fri, Dec 12 and returning on Sun, Dec 14.

• When is the best time to book flights from Washington D.C. to Islip?

  By analyzing data from all airlines on the Trip.com flight calendar, it looks like the best time to book a flight from Washington D.C. to Islip is around 40 days (6 weeks) in advance, and the best time to fly is usually on Tuesday, Wednesday, and Saturday. Tuesday typically offers the cheapest flights for departure, while Saturday offers the best return deals.

• How can I find the best deals on flights from Washington D.C. to Islip?

  To find best deals on flights from Washington D.C. to Islip, you can use various tools on Trip.com:
  · Be flexible with your travel dates to get the cheapest flight deal. Now the cheapest flight deal is on Tue, Dec 16, with one-way flights priced at just €84.
  · Compare airlines strategically. Budget carriers often provide the lowest base fares, while we found the most affordable airline currently operating on this route is Jetblue Airways.
  · Set up price alerts to easily monitor ticket prices without having to check every day.
  · Check Trip.com flight deals and promo codes frequently.
  · Avoid peak season unless you book very early. It seems the peak season for Islip travel is around July.
  · Get exclusive promo codes for Trip.com app users.

• When is the best time to book a flight from Washington D.C. to Islip to get the best price?

  The cheapest months to fly from Washington D.C. to Islip is September, when demand for travel is lower.

• Which upcoming date is the cheapest for flights from Washington D.C. to Islip?

  After crunching the numbers on our December flight calendar, it's currently cheapest to fly from Washington D.C. to Islip on December 12, 2025 with Frontier Airlines, with prices starting at €239.

• What is the time difference between Washington D.C. and Islip?

  The time difference between Islip and Washington D.C. is 0h.

• How can I change or cancel my flight ticket from Washington D.C. to Islip?

  Tickets can only be changed or cancelled if permitted by airline policy. To submit a change or cancellation request, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and segment, and submit a request. Please note that additional charges may apply according to the airline ticket policy. However, if the flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please check the customer support pages.