In terms of precipitation, rainfall in Greece ranges from 0.2 - 2.5 inches per month. December is typically the wettest month, when rainfall can reach 2.5 in. June is typically the driest time to visit Greece when rainfall is around 0.2 in.

If weather is an important factor for your trip to Greece, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 82.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 50.0 F).

How far in advance should I book a flight from Islip, New York to Greece?

Travelers have found it’s best to book a flight 46 days in advance to save up to 9% compared to booking the same week of travel. As your travel date approaches, the cost of this flight route may potentially increase. While opting to book 46 days out may not be an option for all, there are still additional ways to secure a deal in the near future. You might find a flight from Islip, New York to Greece 1-2 weeks in advance for as low as $701, or $820 for flights within the next 24 hours.

What is the cheapest month to fly from Islip, New York to Greece?

Due to multiple factors, expect to potentially pay more when booking in December. For low rates, April can be a great choice for travel to Greece. Flights to Greece from Islip, New York in April are about $778 on average during April, but can be found for as low as $317.

What is the cheapest time of day to fly from ISP to GR?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Islip, New York to Greece as you normally would.

What airport do you fly from for flights from Islip to Greece?

If you book a flight to Greece from Islip, you will be flying from Long Island, which is the city’s only airport. Islip Long Island (ISP) is located 7.2 mi from the center of Islip.

Can I find deals for flights from Islip to Greece that include hotel bookings?

Yes. In addition to deals on Islip to Greece flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Islip to Greece?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Islip to Greece.

Can I find deals for business class flights from Islip to Greece?

Yes. Cheapflights offers flight deals from Islip to Greece by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$607+ Flights from Islip, NY to Greece

Home Search by date Vacation packages Hotels Flight deals Car rental Travel tips & news

Find cheap flights from Islip to Greece with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Islip to Greece

Popular in	December
Cheapest in	April
Average price	$809

Highest demand for flights based on searches. 5% potential increase in price ($45 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 3% potential price decrease ($25 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in August 2025

Search Deals

Find flight deals from Islip to Greece

One-way flights from Islip to Greece
Search for one-way flight options from Islip to Greece. Find affordable one-way fares based on user searches. Data last updated agosto 18, 2025.

sáb. 8/237:33 pmISP - ATH

2 stops58h 27mMultiple Airlines

Deal found 8/18

$607

sáb. 11/152:19 pmISP - ATH