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฿3,741+ Cheap flights from Islip

This is the cheapest return flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 6/12. 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
17 Oct — 24 Oct1
1 adult
1 adult, Economy

What to know about flights from Islip

Discover essential information about flights departing from Islip, including flight schedules, destinations, airlines operating at the Islip airport, and any specific guidelines or requirements for travellers. Please note that the information is based on the most recent updates available. Data last updated 17 September 2025.

Cheapest airline

เวอร์จินแอตแลนติก
On average, เวอร์จินแอตแลนติก currently has the cheapest one-way flight from Islip Long Island (avg. price of ฿12,951).
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Find flights from Islip

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 17 September 2025.

Thu 16/1017:35ISP - PDX
2 stops9h 20mเซาท์เวสต์แอร์ไลน์
Thu 23/1019:35PDX - ISP
2 stops13h 15mเซาท์เวสต์แอร์ไลน์
Deal found 16/9฿13,600
Wed 1/1006:05ISP - PDX
1 stop10h 45mเซาท์เวสต์แอร์ไลน์
Sun 5/1019:05PDX - ISP
2 stops13h 45mเซาท์เวสต์แอร์ไลน์
Deal found 15/9฿19,592
Wed 1/1007:30ISP - PDX
3 stops19h 58mMultiple Airlines
Sun 5/1019:35PDX - ISP
2 stops16h 46mMultiple Airlines
Deal found 15/9฿33,477

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 17 September 2025. In the last 7 days, Cheapflights users made a total of 17,341 searches

Fly to

Portland

Route

Depart

Return

Price

IslipPortland

ISP - PDX

ISPPDX

Islip Long Island

Thu 16/10

17:35-23:55

2 stops9h 20m

Portland

Thu 23/10

19:35-11:50

2 stops13h 15m

฿13,600

IslipPortland

ISP - PDX

ISPPDX

Islip Long Island

Wed 1/10

06:05-13:50

1 stop10h 45m

Portland

Sun 5/10

19:05-11:50

2 stops13h 45m

฿19,592

IslipPortland

ISP - PDX

ISPPDX

Islip Long Island

Thu 2/10

05:30-16:35

2 stops14h 05m

Portland

Sun 5/10

19:05-11:50

2 stops13h 45m

฿19,750

IslipPortland

ISP - PDX

ISPPDX

Islip Long Island

Wed 1/10

07:30-00:28

3 stops19h 58m

Portland

Sun 5/10

19:35-15:21

2 stops16h 46m

฿33,477

IslipPortland

ISP - PDX

ISPPDX

Islip Long Island

Thu 2/10

16:33-20:20

3 stops30h 47m

Portland

Sun 5/10

19:35-15:21

2 stops16h 46m

฿33,477

Flights are sorted by cheapest return flights first.

Deals found on 16/9

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?

Currently, March is the cheapest month in which you can book a flight from Islip (average of ฿4,058). Flying from Islip in November will prove the most costly (average of ฿8,179). 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 17 September 2025.

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

    The most selected flight destinations from Islip for the current month are Orlando Airport, Orlando, Myrtle Beach. 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?

    At the present moment the cheapest month to fly from Islip 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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Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

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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