$1,247+ Cheap flights from Islip, NY (ISP) to Southeast Europe
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 3/4. Fares are subject to change and may not be available on all flights or dates of travel.
ISP — ATH
Feb 17 — Feb 241
1 adult, Economy
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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
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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 January 18, 2026.
Most accurate provider | Mytrip 3 stars |
|---|---|
Most trusted provider | Mytrip 3 stars |
Round-trip from | $1,247 (Ovago) |
Popular in | June |
Cheapest in | April |
Average price | $705 |
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 January 18, 2026.
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 January 18, 2026.
This Ovago deal was found by Cheapflights users on 1/18. 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 3/49:59 am
ISP
- ATH
2 stops19h 11m
Multiple Airlines
Wed 3/117:50 am
ATH
- ISP
2 stops16h 54m
Multiple Airlines
Deal found 1/18![Multiple Airlines logo]()
$1,247
This Gurufare deal was found by Cheapflights users on 1/15. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/29:59 am
ISP
- ATH
2 stops22h 51m
Multiple Airlines
Mon 3/98:10 pm
ATH
- ISP
2 stops28h 34m
Multiple Airlines
Deal found 1/15![Multiple Airlines logo]()
$1,507
This Gurufare deal was found by Cheapflights users on 1/18. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/49:59 am
ISP
- ZAG
2 stops29h 16m
Multiple Airlines
Wed 3/116:55 am
ZAG
- ISP
2 stops16h 49m
Multiple Airlines
Deal found 1/18![Multiple Airlines logo]()
$6,803
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 January 18, 2026.
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 3/4
9:59 am-12:10 pm
2 stops19h 11m
Athens Eleftherios V.
Wed 3/11
7:50 am-6:44 pm
2 stops16h 54m
$1,247
IslipAthens
ISP - ATH
ISPATH
Islip Long Island
Mon 3/2
9:59 am-3:50 pm
2 stops22h 51m
Athens Eleftherios V.
Mon 3/9
8:10 pm-6:44 pm
2 stops28h 34m
$1,507
IslipZagreb
ISP - ZAG
ISPZAG
Islip Long Island
Wed 3/4
9:59 am-9:15 pm
2 stops29h 16m
Zagreb Franjo Tuđman
Wed 3/11
6:55 am-6:44 pm
2 stops16h 49m
$6,803
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, New York to Southeast Europe?
Currently, October is the cheapest month in which you can book a flight from Islip, New York to Southeast Europe (average of $243). Flying from Islip, New York to Southeast Europe in June is currently the most expensive (average of $443). 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.