To save up to 6% on this flight, we recommend booking at least 14 days prior to travel. The price may fluctuate and will likely increase closer to your departure date. Users on Cheapflights have found tickets from Islip to Concord from $237 1-2 weeks out and tickets from $263 for flights departing within the next 72 hours.
October is one of the best times of the year to fly to Concord from Islip. Prices for October average $282 per person but you can even find prices for as low as $145. The most expensive prices can be found in the month of March. Opting for a October flight can save you 32% on your journey compared to booking in October