How long does it take to fly to Islip, New York?

The flight from State of Washington to Islip, New York depends on which airports you’re departing and arriving from and whether or not you have a layover. If you fly from Seattle (a popular airport in State of Washington) to New York John F Kennedy Intl Airport (the most popular airport in Islip, New York), then the flight time is 5h 13m on average. If you fly from Spokane (another popular airport in State of Washington) to New York John F Kennedy Intl Airport, then the average flight time is 6h 27m.

When did momondo last update prices for flights from Washington to Islip Long Island Airport?

Prices for flights from Washington to Islip Long Island Airport are updated daily.

How old do you have to be to fly from Washington to Islip Long Island Airport?

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Washington to Islip Long Island Airport.

What documentation or ID do you need to fly to Islip Long Island Airport?

The travel and health documents you'll need for your trip to Islip Long Island Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Islip Long Island Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$182 Cheap Flights from Washington to Islip, New York in 2026

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Round-trip

One-way

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10:30 pm - 9:40 am

SEA

ISP

8h 10m

1 stop

6:05 am - 1:00 pm

ISP

SEA

9h 55m

1 stop

$348Southwest

Wed, Sep 16 - Tue, Sep 22

10:30 pm - 9:40 am

SEA

ISP

8h 10m

1 stop

3:20 pm - 11:35 pm

ISP

SEA

11h 15m

2 stops

$353Southwest

Thu, Aug 20 - Wed, Aug 26

7:10 am - 9:05 pm

SEA

ISP

10h 55m

2 stops

3:20 pm - 11:05 pm

ISP

SEA

10h 45m

2 stops

$358Southwest

Wed, Sep 16 - Tue, Sep 22

10:30 pm - 9:40 am

SEA

ISP

8h 10m

1 stop

6:05 am - 1:00 pm

ISP

SEA

9h 55m

1 stop

$363Southwest

Wed, Sep 16 - Tue, Sep 22

10:30 pm - 9:40 am

SEA

ISP

8h 10m

1 stop

3:20 pm - 11:05 pm

ISP

SEA

10h 45m

2 stops

$368Southwest

Wed, Sep 16 - Tue, Sep 22

5:40 am - 7:35 pm

PDX

ISP

10h 55m

2 stops

10:10 am - 7:00 pm

ISP

PDX

11h 50m

2 stops

$373Southwest

Wed, Oct 7 - Wed, Oct 14

7:10 am - 9:05 pm

SEA

ISP

10h 55m

2 stops

12:55 pm - 8:25 pm

ISP

SEA

10h 30m

2 stops

$373Southwest

Wed, Sep 16 - Tue, Sep 22

10:30 pm - 9:40 am

SEA

ISP

8h 10m

1 stop

6:05 am - 1:00 pm

ISP

SEA

9h 55m

1 stop

$407Southwest

Thu, Aug 20 - Wed, Aug 26

7:55 pm - 9:40 am

PDX

ISP

10h 45m

2 stops

12:35 pm - 9:15 pm

ISP

PDX

11h 40m

2 stops

$412Southwest

Thu, Aug 6 - Fri, Aug 7

6:15 am - 8:59 pm

PSC

ISP

11h 44m

2 stops

10:00 am - 10:44 pm

ISP

PSC

15h 44m

2 stops

$1,441Multiple Airlines

Fri, Jul 10 - Tue, Jul 14

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Southwest flights from State of Washington to Islip, New York

Our best Southwest deals on State of Washington to Islip, New York flight tickets

Southwest

Sep 16

SEA10:30 pmSeattle/Tacoma Intl

8h 10m

1 stop

ISP9:40 amIslip Long Island

Sep 22

ISP6:05 amIslip Long Island

9h 55m

1 stop

SEA1:00 pmSeattle/Tacoma Intl

$348

Southwest

Aug 20

SEA10:30 pmSeattle/Tacoma Intl

8h 10m

1 stop

ISP9:40 amIslip Long Island

Aug 26

ISP3:20 pmIslip Long Island

11h 15m

2 stops

SEA11:35 pmSeattle/Tacoma Intl

$353

Southwest

Sep 16

SEA7:10 amSeattle/Tacoma Intl

10h 55m

2 stops

ISP9:05 pmIslip Long Island

Sep 22

ISP3:20 pmIslip Long Island

10h 45m

2 stops

SEA11:05 pmSeattle/Tacoma Intl

$358

momondo Fare Finder

Use the filters below to find and compare flights from Washington to Islip, New York that are best for you.

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Price

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SeattleIslip

SEA - ISP

SEAISP

Seattle/Tacoma Intl

Wed 9/16

10:30 pm-9:40 am

1 stop8h 10m

Islip Long Island

Tue 9/22

6:05 am-1:00 pm

1 stop9h 55m

$348

SeattleIslip

SEA - ISP

SEAISP

Seattle/Tacoma Intl

Thu 8/20

10:30 pm-9:40 am

1 stop8h 10m

Islip Long Island

Wed 8/26

3:20 pm-11:35 pm

2 stops11h 15m

$353

SeattleIslip

SEA - ISP

SEAISP

Seattle/Tacoma Intl

Wed 9/16

7:10 am-9:05 pm

2 stops10h 55m

Islip Long Island

Tue 9/22

3:20 pm-11:05 pm

2 stops10h 45m

$358

SeattleIslip

SEA - ISP

SEAISP

Seattle/Tacoma Intl

Wed 9/16

10:30 pm-9:40 am

1 stop8h 10m

Islip Long Island

Tue 9/22

6:05 am-1:00 pm

1 stop9h 55m

$363

SeattleIslip

SEA - ISP

SEAISP

Seattle/Tacoma Intl

Wed 9/16

10:30 pm-9:40 am

1 stop8h 10m

Islip Long Island

Tue 9/22

3:20 pm-11:05 pm

2 stops10h 45m

$368

PortlandIslip

PDX - ISP

PDXISP

Portland

Wed 10/7

5:40 am-7:35 pm

2 stops10h 55m

Islip Long Island

Wed 10/14

10:10 am-7:00 pm

2 stops11h 50m

$373

SeattleIslip

SEA - ISP

SEAISP

Seattle/Tacoma Intl

Wed 9/16

7:10 am-9:05 pm

2 stops10h 55m

Islip Long Island

Tue 9/22

12:55 pm-8:25 pm

2 stops10h 30m

$373

SeattleIslip

SEA - ISP

SEAISP

Seattle/Tacoma Intl

Thu 8/20

10:30 pm-9:40 am

1 stop8h 10m

Islip Long Island

Wed 8/26

6:05 am-1:00 pm

1 stop9h 55m

$407

PortlandIslip

PDX - ISP

PDXISP

Portland

Thu 8/6

7:55 pm-9:40 am

2 stops10h 45m

Islip Long Island

Fri 8/7

12:35 pm-9:15 pm

2 stops11h 40m

$412

PascoIslip

PSC - ISP

PSCISP

Pasco Tri Cities

Fri 7/10

6:15 am-8:59 pm

2 stops11h 44m

Islip Long Island

Tue 7/14

10:00 am-10:44 pm

2 stops15h 44m

$1,441

Flights are sorted by cheapest round-trip flights first.

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How to get the cheapest flight ticket from State of Washington to Islip, New York

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

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Other information

What is the cheapest airline that flies from Washington to Islip Long Island?

Southwest and Frontier are the most popular carriers operating from Washington to Islip Long Island

What airlines fly to Islip, New York?

Alaska Airlines, United Airlines and Delta are the top three most popular airlines that fly to Islip, New York from State of Washington according to our data. Alaska Airlines is the first choice among our users, with 58% of people opting to fly with this airline when traveling to Islip, New York. Keep in mind that there are 8 different airlines that fly to Islip, New York on a routine basis, so you have a few additional options to choose from.

Cheap State of Washington to Islip, New York flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from State of Washington to Islip, New York

Fastest flight time	8h 00m
Direct flights	None

The fastest flight from State of Washington to Islip, New York takes 8h 00m

There are no direct flights from State of Washington to Islip, New York. There are no popular flight routes from State of Washington to Islip, New York.

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Frequently asked questions about flying from Washington to Islip, New York

When did momondo last update prices for flights from Washington to Islip Long Island Airport?
Prices for flights from Washington to Islip Long Island Airport are updated daily.
How old do you have to be to fly from Washington to Islip Long Island Airport?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Washington to Islip Long Island Airport.
What documentation or ID do you need to fly to Islip Long Island Airport?
The travel and health documents you'll need for your trip to Islip Long Island Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Islip Long Island Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

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Can I find flights from Washington to Islip with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Washington to Islip flights to just show those with flexible booking policies.

How can momondo help me find flights from Washington to Islip?

momondo helps you find the best flight between Washington and Islip by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Washington to Islip right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Islip, momondo offers a useful price alert feature which will track prices for flights to Islip from Washington and alert you when they change.

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Cheap flights from Washington to New York from $182

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Washington to New York departing on 8/22. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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Southwest flights from State of Washington to Islip, New York

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How to get the cheapest flight ticket from State of Washington to Islip, New York

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What airlines fly to Islip, New York?

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Cheap State of Washington to Islip, New York flight deals and tips

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