฿3,822+ Cheap flights from Islip, New York

This is the cheapest return flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 5/6. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
ISP — PDX
29 Mar — 5 Apr1
1 adult
1 adult, Economy, 0 bags

Find flights from Islip

Enter your travel dates to find the best prices.

Cheapest flights from Islip
Explore the most affordable flight options available from Islip. Find the lowest fares based on data from user searches, with prices last updated on 27 February 2026.

Thu 25/609:10
ISP
-
PDX
1 stop10h 10m
เซาท์เวสต์แอร์ไลน์
Mon 29/621:20
PDX
-
ISP
1 stop7h 45m
เซาท์เวสต์แอร์ไลน์
Deal found 26/2฿13,889
Fri 26/612:30
ISP
-
PDX
2 stops11h 30m
เซาท์เวสต์แอร์ไลน์
Mon 29/621:20
PDX
-
ISP
1 stop7h 45m
เซาท์เวสต์แอร์ไลน์
Deal found 26/2฿14,044
Thu 2/414:00
ISP
-
PDX
2 stops11h 35m
เซาท์เวสต์แอร์ไลน์
Mon 6/423:55
PDX
-
ISP
2 stops9h 00m
เซาท์เวสต์แอร์ไลน์
Deal found 26/2฿16,064
Fri 13/306:00
ISP
-
PDX
2 stops11h 10m
เซาท์เวสต์แอร์ไลน์
Tue 17/306:30
PDX
-
ISP
2 stops13h 20m
เซาท์เวสต์แอร์ไลน์
Deal found 26/2฿17,928
Fri 13/306:00
ISP
-
PDX
2 stops11h 10m
เซาท์เวสต์แอร์ไลน์
Sun 22/323:55
PDX
-
ISP
2 stops8h 45m
เซาท์เวสต์แอร์ไลน์
Deal found 24/2฿27,094
Tue 10/312:20
ISP
-
PDX
2 stops12h 50m
เซาท์เวสต์แอร์ไลน์
Thu 12/308:00
PDX
-
ISP
2 stops12h 55m
เซาท์เวสต์แอร์ไลน์
Deal found 27/2฿28,181
Sat 11/409:59
ISP
-
HKT
2 stops34h 36m
Multiple Airlines
Sat 18/411:50
HKT
-
ISP
2 stops41h 54m
Multiple Airlines
Deal found 25/2฿160,233
Mon 13/409:59
ISP
-
HKT
2 stops44h 21m
Multiple Airlines
Mon 20/411:50
HKT
-
ISP
2 stops41h 54m
Multiple Airlines
Deal found 27/2฿249,407
Wed 25/309:59
ISP
-
HKT
2 stops35h 11m
Multiple Airlines
Sun 5/410:00
HKT
-
ISP
2 stops43h 44m
Multiple Airlines
Deal found 23/2฿1,038,114

Find flights from Islip within your budget

 
Find flights departing from Islip that match your specified budget. Filter results by price range, allowing you to narrow down options and find flights that fit within your financial constraints. Please note that the search results are based on data from user searches, with fares last updated on 27 February 2026. In the last 7 days, Cheapflights users made a total of 17,341 searches

Fly to

Route

Depart

Return

Price

IslipPortland

ISP - PDX

ISPPDX

Islip Long Island

Thu 25/6

09:10-16:20

1 stop10h 10m

Portland

Mon 29/6

21:20-08:05

1 stop7h 45m

฿13,889

IslipPortland

ISP - PDX

ISPPDX

Islip Long Island

Fri 17/7

09:10-16:20

1 stop10h 10m

Portland

Mon 20/7

21:20-08:05

1 stop7h 45m

฿13,889

IslipPortland

ISP - PDX

ISPPDX

Islip Long Island

Fri 26/6

12:30-21:00

2 stops11h 30m

Portland

Mon 29/6

23:30-13:45

2 stops11h 15m

฿14,199

IslipPortland

ISP - PDX

ISPPDX

Islip Long Island

Thu 2/4

14:00-22:35

2 stops11h 35m

Portland

Mon 6/4

23:55-11:55

2 stops9h 00m

฿16,064

IslipPortland

ISP - PDX

ISPPDX

Islip Long Island

Fri 13/3

06:00-14:10

2 stops11h 10m

Portland

Sun 22/3

23:55-11:40

2 stops8h 45m

฿27,094

IslipPortland

ISP - PDX

ISPPDX

Islip Long Island

Tue 10/3

12:20-22:10

2 stops12h 50m

Portland

Thu 12/3

08:00-23:55

2 stops12h 55m

฿28,181

IslipPhuket City

ISP - HKT

ISPHKT

Islip Long Island

Sat 11/4

09:59-07:35

2 stops34h 36m

Phuket City

Sat 18/4

11:50-18:44

2 stops41h 54m

฿160,233

IslipPhuket City

ISP - HKT

ISPHKT

Islip Long Island

Mon 13/4

09:59-17:20

2 stops44h 21m

Phuket City

Mon 20/4

11:50-18:44

2 stops41h 54m

฿249,407

IslipPhuket City

ISP - HKT

ISPHKT

Islip Long Island

Wed 25/3

09:59-08:10

2 stops35h 11m

Phuket City

Sun 5/4

10:00-18:44

2 stops43h 44m

฿1,038,114

Flights are sorted by cheapest return flights first.

Deals found on 26/2

Sorted by cheapest first

Best time to book a flight from Islip

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

Travel insights for flights from Islip

Get recent, data-driven insights about flights from Islip including ideal travel times, pricing trends, and more.

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

Currently, March is the cheapest month in which you can book a flight from Islip, New York (average of ฿5,220). Flying from Islip, New York in November will prove the most costly (average of ฿8,482). There are multiple factors that influence the price of a flight so comparing airlines, departure airports and times can help keep costs down.

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Direct flights from New York

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Related info for your journey

Access useful and relevant information related to your journey from Islip. This can include details such as airport transportation, visa requirements, travel insurance, luggage regulations, and any other information that can ensure a smooth and hassle-free travel experience. Please note that the information is based on general guidance and may need to be verified with official sources. Data last updated 27 February 2026.

  • What are the most popular destinations to fly to from Islip, New York?

    The most selected flight destinations from Islip, New York for the current month are West Palm Beach, Orlando Airport, Fort Lauderdale. While Orlando Airport, West Palm Beach, Fort Lauderdale are the top choices made by travellers year-round.

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

    At the present moment the cheapest month to fly from Islip, New York is currently March; with November being the most expensive. Prices will vary depending on multiple factors such as booking in advance, airline and departure airports and times.

  • How does Cheapflights help users find flights from Islip?

    Cheapflights makes it easy to find flights from Islip by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

  • Why should you use Cheapflights to find cheap flight tickets from Islip?

    Cheapflights simply makes it quick and affordable to book flights from Islip by bringing together all flight options from hundreds of airlines and agencies online — and we put them in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

  • Can Cheapflights find flights from Islip with no change fees?

    Users can book flights with no change fees policies with our dedicated filters. Book flights from Islip flexibly with Cheapflights today.

  • Can Cheapflights notify me if prices for flights from Islip become cheaper?

    Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and use a valid email address to enable the Price Alerts feature. That’s it!

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How does Cheapflights help users find flights from Islip?

Cheapflights makes it easy to find flights from Islip by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

Why should you use Cheapflights to find cheap flight tickets from Islip?

Cheapflights simply makes it quick and affordable to book flights from Islip by bringing together all flight options from hundreds of airlines and agencies online — and we put them in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

Can Cheapflights find flights from Islip with no change fees?

Users can book flights with no change fees policies with our dedicated filters. Book flights from Islip flexibly with Cheapflights today.

Can Cheapflights notify me if prices for flights from Islip become cheaper?

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and use a valid email address to enable the Price Alerts feature. That’s it!

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