$637+ Cheap flights from Islip (ISP) to Southeast Europe
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/16. Fares are subject to change and may not be available on all flights or dates of travel.
ISP — ATH
Nov 4 — Nov 111
1 adult, Economy
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Find cheap flights from Islip to Southeast Europe 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 Southeast Europe
Keep the following information in mind while searching for Islip to Southeast Europe flight deals. Data was last updated October 5, 2025.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $1,824 (Ovago) |
One-way from | $638 (Kiwi.com) |
Popular in | December |
Cheapest in | April |
Average price | $606 |
Find flight deals from Islip to Southeast Europe
Cheapest flights from Islip to Southeast EuropeExplore the most affordable flight options available from Islip to Southeast Europe. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 5, 2025.
Explore the most affordable flight options available from Islip to Southeast Europe. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 5, 2025.
This Ovago deal was found by Cheapflights users on 10/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/1912:40 pmISP - ATH
2 stops16h 30mMultiple Airlines
Wed 11/267:50 amATH - ISP
2 stops18h 55mMultiple Airlines
Deal found 10/5![Multiple Airlines logo]()
$1,824
Cheapflights Fare Finder
Customize your flight search to find flights from Islip to Southeast Europe that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated October 5, 2025.
Use the filters below to find and compare flights from Islip to Southeast Europe that are best for you.
Fly from
Islip
Fly to
Southeast Europe
Route
Depart
Return
Price
IslipAthens
ISP - ATH
ISPATH
Islip Long Island
Wed 11/19
12:40 pm-12:10 pm
2 stops16h 30m
Athens Eleftherios V.
Wed 11/26
7:50 am-7:45 pm
2 stops18h 55m
$1,824
IslipAthens
ISP - ATH
ISPATH
Islip Long Island
Thu 10/16
9:37 pm-9:25 am
3 stops52h 48m
$637
IslipAthens
ISP - ATH
ISPATH
Islip Long Island
Wed 10/15
4:58 pm-8:55 pm
2 stops44h 57m
$638
Best time to book a flight from Islip to Southeast Europe
Have a flexible travel schedule? Discover the best time to fly to Southeast Europe from Islip with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Islip to Southeast Europe
What is the cheapest month to book a flight from Islip to Southeast Europe?
Currently, November is the cheapest month in which you can book a flight from Islip to Southeast Europe (average of $679). Flying from Islip to Southeast Europe in June is currently the most expensive (average of $1,280). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.