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Southeast Asia

$662+ Cheap flights from Islip, NY (ISP) to Southeast Asia

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 2/5. Fares are subject to change and may not be available on all flights or dates of travel.
ISP — BKK
Jan 17 — Jan 241
Sat 1/17
Sat 1/24
1 adult, Economy
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Cheap flight deals from Islip to Southeast Asia

Best flights from Islip to Southeast Asia
Discover carefully curated flight deals from Islip to Southeast Asia that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 18, 2025.

This Mytrip deal was found by Cheapflights users on 12/17. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 1/3112:30 pmISP - SGN
2 stops34h 05mMultiple Airlines
Sat 2/711:50 pmSGN - ISP
2 stops28h 20mMultiple Airlines
Deal found 12/17$6,018
This oojo 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 1/3012:30 pmISP - HKT
2 stops34h 50mMultiple Airlines
Fri 2/66:35 pmHKT - ISP
2 stops52h 30mMultiple Airlines
Deal found 12/16$8,091

Find flight deals from Islip to Southeast Asia

Keep the following information in mind while searching for Islip to Southeast Asia flight deals. Data was last updated December 18, 2025.

Most accurate provider

Justfly.com
3 stars

Most trusted provider

Justfly.com
3 stars

Round-trip from

$6,018
(Mytrip)

One-way from

$662
(Kiwi.com)

Popular in

December

Cheapest in

September

Average price

$1,541
Provider with most accurate pricing for New York (NYC)-Manila Ninoy Aquino Intl flight deals.
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Provider most trusted by Cheapflights users for New York (NYC)-Manila Ninoy Aquino Intl flights.
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From Islip Long Island to Southeast Asia
Search Deals
One-way flight from Islip Long Island to Southeast Asia
Search Deals
Highest demand for flights based on searches. 5% potential increase in price ($59 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($38 potential savings vs. average RT price).
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Average for round-trip flights in December 2025
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Islip to Southeast Asia 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 18, 2025.
Use the filters below to find and compare flights from Islip to Southeast Asia that are best for you.

Fly from

Islip

Fly to

Southeast Asia

Route

Depart

Return

Price

IslipHo Chi Minh City

ISP - SGN

ISPSGN

Islip Long Island

Sat 1/31

12:30 pm-10:35 am

2 stops34h 05m

Ho Chi Minh City

Sat 2/7

11:50 pm-4:10 pm

2 stops28h 20m

$6,018

IslipPhuket City

ISP - HKT

ISPHKT

Islip Long Island

Fri 1/30

12:30 pm-11:20 am

2 stops34h 50m

Phuket City

Fri 2/6

6:35 pm-11:05 am

2 stops52h 30m

$8,091

IslipPhuket City

ISP - HKT

ISPHKT

Islip Long Island

Thu 2/5

7:43 pm-8:05 am

3 stops48h 22m

$662

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/16

Best time to book a flight from Islip to Southeast Asia

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

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

Currently, January is the cheapest month in which you can book a flight from Islip, New York to Southeast Asia (average of $533). Flying from Islip, New York to Southeast Asia in June is currently the most expensive (average of $761). 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 Southeast Asia. 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 Southeast Asia?

    If you book a flight to Southeast Asia from Islip, you will be flying from Long Island, which is the city’s only airport. Islip Long Island (ISP) is located 7.2 mi from the center of Islip.

  • What are the most popular routes from Islip, New York to Southeast Asia?

    The most popular route from Islip, New York to Southeast Asia is Islip Long Island - Hanoi Noibai. You may also consider Islip Long Island - Phuket City or Islip Long Island - Kuala Lumpur Intl.

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

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

  • How can I find direct flights from Islip to Southeast Asia?

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

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

    Yes. Cheapflights offers flight deals from Islip to Southeast Asia 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 Southeast Asia?

    Currently, January is the cheapest month in which you can book a flight from Islip, New York to Southeast Asia (average of $533). Flying from Islip, New York to Southeast Asia in June is currently the most expensive (average of $761). 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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