In terms of precipitation, rainfall in Geneva ranges from 2.7 - 4.1 inches per month. October is typically the wettest month, when rainfall can reach 4.1 in. February is typically the driest time to visit Geneva when rainfall is around 2.7 in.

If weather is an important factor for your trip to Geneva, 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 68.0 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 35.6 F).

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

When flying from Islip, New York to Geneva, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Most accurate provider : When it comes to deals on Islip, New York-Geneva flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Islip, New York-Geneva flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Islip, New York-Geneva flight searches over the past month and is updated monthly.

Most trusted provider : When it comes to deals on Islip, New York-Geneva flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Islip, New York-Geneva flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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

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

How can I find direct flights from Islip to Geneva?

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

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

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

$1,306+ Flights from Islip, NY to Geneva

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Cheap flight deals from Islip to Geneva

Best flights from Islip to Geneva
Discover carefully curated flight deals from Islip to Geneva that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 23, 2025.

Wed 2/412:30 pmISP - GVA

2 stops14h 45mMultiple Airlines

Wed 2/1110:35 amGVA - ISP

2 stops15h 10mMultiple Airlines

Deal found 12/20

$1,306

Find flight deals from Islip to Geneva

Most accurate provider	FlightHub 3 stars
Most trusted provider	FlightHub 1 star
Round-trip from	$1,306 (Ovago)
Popular in	December
Cheapest in	August
Average price	$1,338

Provider with most accurate pricing for Islip Long Island-Geneva Geneve-Cointrin flight deals.

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Provider most trusted by Cheapflights users for Islip Long Island-Geneva Geneve-Cointrin flights.

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From Islip Long Island to Geneva Geneve-Cointrin

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Highest demand for flights based on searches. 11% potential increase in price ($110 potential increase over avg. RT price).

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Cheapest flight prices on average. 6% potential price decrease ($47 potential savings vs. average RT price).

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Average for round-trip flights in December 2025

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Fly from

Fly to

Route

Depart

Return

Price

IslipGeneva

ISP - GVA

ISPGVA

Islip Long Island

Wed 2/4

12:30 pm-9:15 am

2 stops14h 45m

Geneva Geneve-Cointrin

Wed 2/11

10:35 am-7:45 pm

2 stops15h 10m

$1,306

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/20

Most accurate provider: When it comes to deals on Islip, New York-Geneva flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Islip, New York-Geneva flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Islip, New York-Geneva flight searches over the past month and is updated monthly.
Most trusted provider: When it comes to deals on Islip, New York-Geneva flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Islip, New York-Geneva flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Islip to Geneva

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

What is the cheapest month to book a flight from Islip, New York to Geneva?

Currently, January is the cheapest month in which you can book a flight from Islip, New York to Geneva (average of $283). Flying from Islip, New York to Geneva 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.

Related info for your journey

Can I find deals for flights from Islip to Geneva that include hotel bookings?
Yes. In addition to deals on Islip to Geneva flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Islip to Geneva?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Islip to Geneva.
Can I find deals for business class flights from Islip to Geneva?
Yes. Cheapflights offers flight deals from Islip to Geneva 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, New York to Geneva?
Currently, January is the cheapest month in which you can book a flight from Islip, New York to Geneva (average of $283). Flying from Islip, New York to Geneva 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.

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$1,306+ Cheap flights from Islip, NY (ISP) to Geneva (GVA)

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 2/4. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Islip to Geneva with Cheapflights

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Cheap flight deals from Islip to Geneva

Best flights from Islip to GenevaDiscover carefully curated flight deals from Islip to Geneva that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 23, 2025.

Discover carefully curated flight deals from Islip to Geneva that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 23, 2025.

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Best time to book a flight from Islip to Geneva

Have a flexible travel schedule? Discover the best time to fly to Geneva from Islip with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Islip to Geneva

What is the cheapest month to book a flight from Islip, New York to Geneva?

Related info for your journey

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

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

How can I find direct flights from Islip to Geneva?

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

What is the cheapest month to book a flight from Islip, New York to Geneva?

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Best flights from Islip to Geneva
Discover carefully curated flight deals from Islip to Geneva that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 23, 2025.