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$2,212+ Cheap flights from Islip, NY (ISP) to Vietnam

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 5/28. Fares are subject to change and may not be available on all flights or dates of travel.
ISP — SGN
Mar 18 — Mar 251
Wed 3/18
Wed 3/25
1 adult, Economy
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Cheap flight deals from Islip to Vietnam

One-way flights from Islip to Vietnam
Search for one-way flight options from Islip to Vietnam. Find affordable one-way fares based on user searches. Data last updated February 16, 2026.

This KAYAK deal was found by Cheapflights users on 2/16. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/2812:30 pm
ISP
-
HAN
2 stops30h 35m
Multiple Airlines
Deal found 2/16$2,212
This KAYAK deal was found by Cheapflights users on 2/16. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/257:25 am
ISP
-
HAN
2 stops35h 40m
Multiple Airlines
Deal found 2/16$2,268
This KAYAK deal was found by Cheapflights users on 2/16. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/247:25 am
ISP
-
HAN
2 stops35h 40m
Multiple Airlines
Deal found 2/16$2,296
This KAYAK deal was found by Cheapflights users on 2/16. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/309:59 am
ISP
-
HAN
2 stops33h 41m
Multiple Airlines
Deal found 2/16$19,561

Find flight deals from Islip to Vietnam

Keep the following information in mind while searching for Islip to Vietnam flight deals. Data was last updated February 16, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Popular in

December

Cheapest in

September

Average price

$881
Provider with most accurate pricing for New York (NYC)-Ho Chi Minh City flight deals.
Search Deals
Provider most trusted by Cheapflights users for New York (NYC)-Ho Chi Minh City flights.
Search Deals
Highest demand for flights based on searches. 0% potential increase in price ($7 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($37 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Islip to Vietnam 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 February 16, 2026.
Use the filters below to find and compare flights from Islip to Vietnam that are best for you.

Fly from

Islip

Fly to

Vietnam

Route

Depart

Return

Price

IslipHanoi

ISP - HAN

ISPHAN

Islip Long Island

Thu 5/28

12:30 pm-6:05 am

2 stops30h 35m

$2,212

IslipHanoi

ISP - HAN

ISPHAN

Islip Long Island

Fri 5/29

12:30 pm-6:05 am

2 stops30h 35m

$2,212

IslipHanoi

ISP - HAN

ISPHAN

Islip Long Island

Mon 5/25

7:25 am-6:05 am

2 stops35h 40m

$2,268

IslipHanoi

ISP - HAN

ISPHAN

Islip Long Island

Tue 5/26

12:30 pm-6:05 am

2 stops30h 35m

$2,296

IslipHanoi

ISP - HAN

ISPHAN

Islip Long Island

Sun 5/24

7:25 am-6:05 am

2 stops35h 40m

$2,296

IslipHanoi

ISP - HAN

ISPHAN

Islip Long Island

Sat 5/30

9:59 am-6:40 am

2 stops33h 41m

$19,561

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/16

Best time to book a flight from Islip to Vietnam

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

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

Currently, April is the cheapest month in which you can book a flight from Islip, New York to Vietnam (average of $612). Flying from Islip, New York to Vietnam in June is currently the most expensive (average of $835). 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 Vietnam. 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 Vietnam?

    If you book a flight to Vietnam 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.

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

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

  • How can I find direct flights from Islip to Vietnam?

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

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

    Yes. Cheapflights offers flight deals from Islip to Vietnam 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 Vietnam?

    Currently, April is the cheapest month in which you can book a flight from Islip, New York to Vietnam (average of $612). Flying from Islip, New York to Vietnam in June is currently the most expensive (average of $835). 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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