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$1,555+ Cheap flights from Islip (ISP) to 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 9/3. Fares are subject to change and may not be available on all flights or dates of travel.
ISP — ZRH
ago. 25 — sep. 11
lun. 8/25
lun. 9/1
1 adult, Economy
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Cheap flight deals from Islip to Switzerland

Keep the following information in mind while searching for Islip to Switzerland flight deals. Data was last updated agosto 20, 2025.

Popular in

December

Cheapest in

January

Average price

$706
Highest demand for flights based on searches. 0% potential increase in price ($5 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($18 potential savings vs. average RT price).
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Average for round-trip flights in August 2025
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Find flight deals from Islip to Switzerland

One-way flights from Islip to Switzerland
Search for one-way flight options from Islip to Switzerland. Find affordable one-way fares based on user searches. Data last updated agosto 20, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 8/20. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 9/32:19 pmISP - GVA
2 stops13h 06mMultiple Airlines
Deal found 8/20$1,555
This Cheapflightsfares deal was found by Cheapflights users on 8/18. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 9/22:19 pmISP - GVA
2 stops13h 06mMultiple Airlines
Deal found 8/18$1,598
This Cheapflightsfares deal was found by Cheapflights users on 8/18. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 8/262:19 pmISP - GVA
2 stops13h 06mMultiple Airlines
Deal found 8/18$1,611
This Cheapflightsfares deal was found by Cheapflights users on 8/19. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 8/252:19 pmISP - GVA
2 stops13h 06mMultiple Airlines
Deal found 8/19$1,639
This Cheapflightsfares deal was found by Cheapflights users on 8/18. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 9/212:19 pmISP - GVA
2 stops12h 56mMultiple Airlines
Deal found 8/18$1,666
This Cheapflightsfares deal was found by Cheapflights users on 8/20. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 9/12:19 pmISP - GVA
2 stops13h 06mMultiple Airlines
Deal found 8/20$1,667

Cheapflights Fare Finder

 
Customize your flight search to find flights from Islip to Switzerland 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 agosto 20, 2025.
Use the filters below to find and compare flights from Islip to Switzerland that are best for you.

Fly from

Islip

Fly to

Switzerland

Route

Depart

Return

Price

IslipGeneva

ISP - GVA

ISPGVA

Islip Long Island

mié. 9/3

2:19 pm-9:25 am

2 stops13h 06m

$1,555

IslipGeneva

ISP - GVA

ISPGVA

Islip Long Island

lun. 9/8

2:19 pm-9:25 am

2 stops13h 06m

$1,555

IslipGeneva

ISP - GVA

ISPGVA

Islip Long Island

mar. 9/9

2:19 pm-9:25 am

2 stops13h 06m

$1,555

IslipGeneva

ISP - GVA

ISPGVA

Islip Long Island

mar. 9/2

2:19 pm-9:25 am

2 stops13h 06m

$1,598

IslipGeneva

ISP - GVA

ISPGVA

Islip Long Island

sáb. 9/20

2:19 pm-9:25 am

2 stops13h 06m

$1,610

IslipGeneva

ISP - GVA

ISPGVA

Islip Long Island

sáb. 10/4

2:19 pm-9:25 am

2 stops13h 06m

$1,610

IslipGeneva

ISP - GVA

ISPGVA

Islip Long Island

mié. 9/17

2:19 pm-9:25 am

2 stops13h 06m

$1,610

IslipGeneva

ISP - GVA

ISPGVA

Islip Long Island

mié. 10/1

2:19 pm-9:25 am

2 stops13h 06m

$1,610

IslipGeneva

ISP - GVA

ISPGVA

Islip Long Island

vie. 9/5

2:19 pm-9:25 am

2 stops13h 06m

$1,611

IslipGeneva

ISP - GVA

ISPGVA

Islip Long Island

mié. 9/10

2:19 pm-9:25 am

2 stops13h 06m

$1,611

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/20

Showing 1-10 of 11 results
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Best time to book a flight from Islip to Switzerland

Have a flexible travel schedule? Discover the best time to fly to Switzerland 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 Switzerland

What is the cheapest month to book a flight from Islip to Switzerland?

Currently, November is the cheapest month in which you can book a flight from Islip to Switzerland (average of $637). Flying from Islip to Switzerland in June is currently the most expensive (average of $1,151). 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.

Related info for your journey

Find useful and relevant information for your journey from Islip to Switzerland. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Islip to Switzerland?

    Islip Long Island (ISP), located 7.2 mi from the city center, is the airport you fly out of when you book flights from Islip to Switzerland.

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

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

  • How can I find direct flights from Islip to Switzerland?

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

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

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

  • What is the cheapest month to book a flight from Islip to Switzerland?

    Currently, November is the cheapest month in which you can book a flight from Islip to Switzerland (average of $637). Flying from Islip to Switzerland in June is currently the most expensive (average of $1,151). 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.

See more FAQs

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