$674+ Cheap flights from Islip, NY (ISP) to Lausanne, Switzerland
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 2/7. Fares are subject to change and may not be available on all flights or dates of travel.
ISP — GVA
Jan 15 — Jan 221
1 adult, Economy
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Best flights from Islip to LausanneDiscover carefully curated flight deals from Islip to Lausanne that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 16, 2025.
Discover carefully curated flight deals from Islip to Lausanne that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 16, 2025.
This Expedia deal was found by Cheapflights users on 12/16. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/79:40 amISP - GVA
2 stops42h 30mMultiple Airlines
Thu 2/1210:50 amGVA - ISP
2 stops27h 50mMultiple Airlines
Deal found 12/16![Multiple Airlines logo]()
$1,794
Find flight deals from Islip to Lausanne
Keep the following information in mind while searching for Islip to Lausanne flight deals. Data was last updated December 16, 2025.
Most accurate provider | eDreams 3 stars |
|---|---|
Most trusted provider | eDreams 3 stars |
Round-trip from | $1,794 (Expedia) |
One-way from | $674 (Expedia) |
Popular in | December |
Cheapest in | August |
Average price | $1,330 |
Cheapflights Fare Finder
Customize your flight search to find flights from Islip to Lausanne 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 December 16, 2025.
Use the filters below to find and compare flights from Islip to Lausanne that are best for you.
Fly from
Islip
Fly to
Lausanne
Route
Depart
Return
Price
IslipGeneva
ISP - GVA
ISPGVA
Islip Long Island
Sat 2/7
9:40 am-10:10 am
2 stops42h 30m
Geneva Geneve-Cointrin
Thu 2/12
10:50 am-8:40 am
2 stops27h 50m
$1,794
IslipGeneva
ISP - GVA
ISPGVA
Islip Long Island
Sat 2/7
9:40 am-10:10 am
2 stops42h 30m
$674
Best time to book a flight from Islip to Lausanne
Have a flexible travel schedule? Discover the best time to fly to Lausanne 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 Lausanne
What is the cheapest month to book a flight from Islip, New York to Lausanne?
Currently, January is the cheapest month in which you can book a flight from Islip, New York to Lausanne (average of $283). Flying from Islip, New York to Lausanne in June is currently the most expensive (average of $622). 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.