How to find the cheapest flight from Ireland to Islip (ISP)
How far in advance should I book a flight from Ireland to Islip?
To save on the cost of your flight from Ireland to Islip, book at least 61 days before your planned departure. Booking around this time can save you about 50% on the cost of this flight compared to booking a flight leaving this week. We have found prices from £359 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as £441.
What is the cheapest month to fly from Ireland to Islip?
March can be a great time to fly to Islip from Ireland with a flight ticket averaging about £304. Cheapflights users have found deals in the month of March for as cheap as £222. The most expensive prices can be found in the month of July.
Related info for your journey
From Ireland to Islip
Are flight prices decreasing from Ireland to Islip due to COVID-19 (coronavirus)?
At this time, Cheapflights has noticed price decreases for many domestic flights due to COVID-19. Travel is not necessarily recommended at this time, and flights may be prone to cancellation: please check with local authorities in both Ireland and Islip for travel alerts, and be sure to review the airline's cancellation policy and travel advisories before booking. For more information, please view our post on what to know about COVID-19 (coronavirus) and travel.