$1,185+ Cheap flights from Islip, NY (ISP) to Southeast Asia
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 10/14. Fares are subject to change and may not be available on all flights or dates of travel.
Find cheap flights from Islip to Southeast Asia with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap 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 April 8, 2025.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $1,218 (Qatar Airways) |
Popular in | December |
Cheapest in | March |
Average price | $1,046 |
Find flight deals from Islip to Southeast Asia
Cheapest flights from Islip to Southeast AsiaExplore the most affordable flight options available from Islip to Southeast Asia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 8, 2025.
Explore the most affordable flight options available from Islip to Southeast Asia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 8, 2025.
This Qatar Airways deal was found by Cheapflights users on 4/8. 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 Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Qatar Airways deal was found by Cheapflights users on 4/7. 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 Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
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 April 8, 2025.
Use the filters below to find and compare flights from Islip to Southeast Asia that are best for you.
Fly from
Fly to
Route
Depart
Return
Price
IslipPhuket City
ISP - HKT
ISPHKT
Islip Long Island
Thu 9/11
6:00 am-7:50 am
2 stops38h 50m
Phuket City
Thu 9/18
8:30 pm-9:40 pm
2 stops36h 10m
IslipHo Chi Minh City
ISP - SGN
ISPSGN
Islip Long Island
Tue 7/22
6:00 am-7:40 am
2 stops38h 40m
Ho Chi Minh City
Wed 8/27
11:00 am-9:15 pm
3 stops45h 15m
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.
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, March is the cheapest month in which you can book a flight from Islip, New York to Southeast Asia (average of $958). Flying from Islip, New York to Southeast Asia in December is currently the most expensive (average of $1,574). 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.
Rainfall in Southeast Asia by month
Plan your trip to Southeast Asia by taking into account the average rainfall totals by month.
In terms of precipitation, rainfall in Southeast Asia ranges from 0.4 - 15.7 inches per month. July is typically the wettest month, when rainfall can reach 15.7 in. February is typically the driest time to visit Southeast Asia when rainfall is around 0.4 in.
Temperature in Southeast Asia by month
Plan your trip to Southeast Asia by taking into account the average temperature totals by month.
If weather is an important factor for your trip to Southeast Asia, use this chart to help with planning. For those seeking warmer temperatures, April 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 78.8 F).