In terms of precipitation, rainfall in Islip, New York ranges from 3.3 - 4.4 inches per month. March is typically the wettest month, when rainfall can reach 4.4 in. February is typically the driest time to visit Islip, New York when rainfall is around 3.3 in.

If weather is an important factor for your trip to Islip, New York, 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 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 30.2 F).

What are the most popular routes from South America to Islip, New York?

The most popular route from South America to Islip, New York is Brasilia - Islip Long Island. You may also consider Cali Alfonso B. Aragon Intl - Islip Long Island or Quito Mariscal Sucr - Islip Long Island.

How far in advance should I book a flight from South America to Islip, New York?

To save on the cost of your flight from South America to Islip, New York, book at least 24 days before your planned departure. Booking around this time can save you about 52% on the cost of this flight compared to booking a flight leaving this week. We have found prices from $841 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as $920.

What is the cheapest month to fly from South America to Islip, New York?

March is one of the best times of the year to fly to Islip, New York from South America. Prices for March average $770 per person but you can even find prices for as low as $469. The most expensive prices can be found in the month of December. Opting for a March flight can save you 26% on your journey compared to booking in December

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

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from South America to Islip, New York as you normally would.

What airport do you fly into for flights to Islip from South America?

Islip Long Island (ISP), located 7.2 mi from the city center, is the airport you fly into when you book flights from South America to Islip.

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

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

How can I find direct flights from South America to Islip?

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

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

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

$363+ Flights from South America to Islip, NY

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Cheap flight deals from South America to Islip

Round-trip from	$818 (Kiwi.com)
One-way from	$363 (Kiwi.com)
Popular in	December
Cheapest in	March
Average price	$817

From South America to Islip Long Island

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One-way flight from South America to Islip Long Island

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Highest demand for flights based on searches. 8% potential increase in price ($71 potential increase over avg. RT price).

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Cheapest flight prices on average. 2% potential price decrease ($19 potential savings vs. average RT price).

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Average for round-trip flights in August 2025

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Cheapest flights from South America to Islip
Explore the most affordable flight options available from South America to Islip. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 1, 2025.

Thu 9/189:40 amBSB - ISP

1 stop26h 00mMultiple Airlines

Mon 9/225:05 pmISP - BSB

2 stops36h 05mMultiple Airlines

Deal found 7/31

$818

Best flights from South America to Islip
Discover carefully curated flight deals from South America to Islip that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 1, 2025.

Thu 9/189:40 amBSB - ISP

1 stop26h 00mMultiple Airlines

Mon 9/225:05 pmISP - BSB

2 stops36h 05mMultiple Airlines

Deal found 7/31

$818

One-way flights from South America to Islip
Search for one-way flight options from South America to Islip. Find affordable one-way fares based on user searches. Data last updated August 1, 2025.

Thu 9/189:40 amBSB - ISP

1 stop26h 00mMultiple Airlines

Deal found 7/31

$363

Fly from

Fly to

Route

Depart

Return

Price

BrasiliaIslip

BSB - ISP

BSBISP

Brasilia

Thu 9/18

9:40 am-10:40 am

1 stop26h 00m

Islip Long Island

Mon 9/22

5:05 pm-6:10 am

2 stops36h 05m

$818

BrasiliaIslip

BSB - ISP

BSBISP

Brasilia

Thu 9/18

9:40 am-10:40 am

1 stop26h 00m

$363

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/31

Best time to book a flight from South America to Islip

Have a flexible travel schedule? Discover the best time to fly to Islip from South America 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 South America to Islip

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

Currently, January is the cheapest month in which you can book a flight from South America to Islip, New York (average of $108). Flying from South America to Islip, New York in November is currently the most expensive (average of $213). 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

What airport do you fly into for flights to Islip from South America?
Islip Long Island (ISP), located 7.2 mi from the city center, is the airport you fly into when you book flights from South America to Islip.
What are the most popular routes from South America to Islip, New York?
The most popular route from South America to Islip, New York is Brasilia - Islip Long Island. You may also consider Cali Alfonso B. Aragon Intl - Islip Long Island or Quito Mariscal Sucr - Islip Long Island.
Can I find deals for flights from South America to Islip that include hotel bookings?
Yes. In addition to deals on South America to Islip flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from South America to Islip?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from South America to Islip.
Can I find deals for business class flights from South America to Islip?
Yes. Cheapflights offers flight deals from South America to Islip 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 South America to Islip, New York?
Currently, January is the cheapest month in which you can book a flight from South America to Islip, New York (average of $108). Flying from South America to Islip, New York in November is currently the most expensive (average of $213). 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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$363+ Cheap flights from South America to Islip, NY (ISP)

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 9/18. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from South America to Islip with Cheapflights

1. Tell us where you want to go

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3. Compare prices and book

Cheap flight deals from South America to Islip

Keep the following information in mind while searching for South America to Islip flight deals. Data was last updated August 1, 2025.

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Find flight deals from South America to Islip

Cheapest flights from South America to IslipExplore the most affordable flight options available from South America to Islip. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 1, 2025.

Explore the most affordable flight options available from South America to Islip. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 1, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from South America to Islip that are best for you.

Best time to book a flight from South America to Islip

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

Cheapflights Insights

Everything you need to know about your flight from South America to Islip

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

Related info for your journey

Find useful and relevant information for your journey from South America to Islip. 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 into for flights to Islip from South America?

What are the most popular routes from South America to Islip, New York?

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

How can I find direct flights from South America to Islip?

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

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

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Cheapest flights from South America to Islip
Explore the most affordable flight options available from South America to Islip. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 1, 2025.