In terms of precipitation, rainfall in Hong Kong ranges from 0.8 - 15.4 inches per month. June is typically the wettest month, when rainfall can reach 15.4 in. January is typically the driest time to visit Hong Kong when rainfall is around 0.8 in.

If weather is an important factor for your trip to Hong Kong, 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 84.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 60.8 F).

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

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

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

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

How can I find direct flights from Islip to Hong Kong?

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

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

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

$585+ Flights from Islip, NY to Hong Kong

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Cheap flight deals from Islip to Hong Kong

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Cheapest flights from Islip to Hong Kong
Explore the most affordable flight options available from Islip to Hong Kong. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 13, 2026.

Fri 3/279:59 am

ISP

HKG

1 stop31h 01m

Multiple Airlines

Fri 4/39:00 pm

HKG

ISP

2 stops33h 44m

Multiple Airlines

Deal found 2/10

$9,813

Find flight deals from Islip to Hong Kong

Most accurate provider	FlightHub 3 stars
Most trusted provider	FlightHub 3 stars
Round-trip from	$9,813 (Kiwi.com)
One-way from	$585 (Kiwi.com)
Popular in	December
Cheapest in	September
Average price	$1,216

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From Islip Long Island to Hong Kong Intl

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One-way flight from Islip Long Island to Hong Kong Intl

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Highest demand for flights based on searches. 5% potential increase in price ($76 potential increase over avg. RT price).

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Cheapest flight prices on average. 3% potential price decrease ($40 potential savings vs. average RT price).

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Average for round-trip flights in February 2026

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Fly from

Fly to

Route

Depart

Return

Price

IslipHong Kong

ISP - HKG

ISPHKG

Islip Long Island

Fri 3/27

9:59 am-5:00 am

1 stop31h 01m

Hong Kong Intl

Fri 4/3

9:00 pm-6:44 pm

2 stops33h 44m

$9,813

IslipHong Kong

ISP - HKG

ISPHKG

Islip Long Island

Fri 3/27

8:45 pm-12:00 pm

3 stops51h 15m

$585

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/10

Best time to book a flight from Islip to Hong Kong

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

ISP-HKG

Estimated round-trip price

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Everything you need to know about your flight from Islip to Hong Kong

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

Currently, September is the cheapest month in which you can book a flight from Islip, New York to Hong Kong (average of $551). Flying from Islip, New York to Hong Kong in June is currently the most expensive (average of $1,049). 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 Hong Kong that include hotel bookings?
Yes. In addition to deals on Islip to Hong Kong flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Islip to Hong Kong?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Islip to Hong Kong.
Can I find deals for business class flights from Islip to Hong Kong?
Yes. Cheapflights offers flight deals from Islip to Hong Kong 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 Hong Kong?
Currently, September is the cheapest month in which you can book a flight from Islip, New York to Hong Kong (average of $551). Flying from Islip, New York to Hong Kong in June is currently the most expensive (average of $1,049). 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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$585+ Cheap flights from Islip, NY (ISP) to Hong Kong (HKG)

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 3/27. Fares are subject to change and may not be available on all flights or dates of travel.

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Cheap flight deals from Islip to Hong Kong

Cheapest flights from Islip to Hong KongExplore the most affordable flight options available from Islip to Hong Kong. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 13, 2026.

Explore the most affordable flight options available from Islip to Hong Kong. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 13, 2026.

Best flights from Islip to Hong KongDiscover carefully curated flight deals from Islip to Hong Kong that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated February 13, 2026.

Discover carefully curated flight deals from Islip to Hong Kong that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated February 13, 2026.

Last-minute flights from Islip to Hong KongDiscover last-minute flight deals from Islip to Hong Kong. Data last updated February 13, 2026 and is based on user searches.

Discover last-minute flight deals from Islip to Hong Kong. Data last updated February 13, 2026 and is based on user searches.

One-way flights from Islip to Hong KongSearch for one-way flight options from Islip to Hong Kong. Find affordable one-way fares based on user searches. Data last updated February 13, 2026.

Search for one-way flight options from Islip to Hong Kong. Find affordable one-way fares based on user searches. Data last updated February 13, 2026.

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Everything you need to know about your flight from Islip to Hong Kong

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

Related info for your journey

Find useful and relevant information for your journey from Islip to Hong Kong. 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 Hong Kong that include hotel bookings?

How can I find direct flights from Islip to Hong Kong?

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

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

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Other flights to Hong Kong

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Cheapest flights from Islip to Hong Kong
Explore the most affordable flight options available from Islip to Hong Kong. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 13, 2026.

Best flights from Islip to Hong Kong
Discover carefully curated flight deals from Islip to Hong Kong that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated February 13, 2026.

Last-minute flights from Islip to Hong Kong
Discover last-minute flight deals from Islip to Hong Kong. Data last updated February 13, 2026 and is based on user searches.

One-way flights from Islip to Hong Kong
Search for one-way flight options from Islip to Hong Kong. Find affordable one-way fares based on user searches. Data last updated February 13, 2026.