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 18m 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 33m.

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 many operators does momondo search for flights from Washington to Islip Long Island Airport?

As of August 2025, there is 1 operator available to choose from for flights from Washington to Islip Long Island Airport.

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.

$126 Cheap Flights from Washington to Islip in 2025

1 adult

0 bags

Save money when you book flights with momondo

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

Find the cheapest flights from Washington to New York

Round-trip

One-way

Last minute

Cheap round-trip flights

1:47 pm - 10:40 amSEA-ISP

17h 53m2 stops

9:49 am - 12:30 amISP-SEA

17h 41m2 stops

$326Frontier

Find Deal

Mon, Sep 22 - Sun, Sep 28

3:26 pm - 8:02 amPDX-ISP

37h 36m2 stops

4:58 pm - 11:56 amISP-PDX

21h 58m2 stops

$333Frontier

Find Deal

Fri, Nov 7 - Mon, Nov 10

12:43 pm - 2:13 pmPDX-ISP

22h 30m2 stops

9:37 pm - 11:48 amISP-PDX

17h 11m2 stops

$357Frontier

Find Deal

Tue, Oct 7 - Thu, Oct 16

4:36 pm - 10:40 amSEA-ISP

15h 04m2 stops

9:49 am - 12:30 amISP-SEA

17h 41m2 stops

$363Frontier

Find Deal

Thu, Sep 25 - Sun, Sep 28

1:47 pm - 10:40 amSEA-ISP

17h 53m2 stops

9:49 am - 12:30 amISP-SEA

17h 41m2 stops

$364Frontier

Find Deal

Mon, Sep 22 - Sun, Sep 28

12:44 pm - 9:44 amPDX-ISP

18h 00m2 stops

9:37 pm - 11:48 amISP-PDX

17h 11m2 stops

$380Frontier

Find Deal

Mon, Oct 13 - Thu, Oct 16

4:36 pm - 10:40 amSEA-ISP

15h 04m2 stops

9:49 am - 12:30 amISP-SEA

17h 41m2 stops

$386Frontier

Find Deal

Thu, Sep 25 - Sun, Sep 28

8:20 am - 11:45 pmSEA-ISP

12h 25m2 stops

12:35 pm - 12:50 amISP-SEA

15h 15m2 stops

$397Southwest

Find Deal

Fri, Oct 24 - Mon, Oct 27

12:43 pm - 9:04 amPDX-ISP

17h 21m2 stops

9:37 pm - 11:48 amISP-PDX

17h 11m2 stops

$400Frontier

Find Deal

Thu, Oct 9 - Thu, Oct 16

3:26 pm - 10:55 amPDX-ISP

16h 29m2 stops

2:19 pm - 8:07 pmISP-PDX

8h 48m1 stop

$615

Find Deal

Fri, Nov 7 - Mon, Nov 10

Frontier flights from State of Washington to Islip, New York

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

Frontier

Sep 22

SEA1:47 pmSeattle/Tacoma Intl

17h 53m

2 stops

ISP10:40 amIslip Long Island

Sep 28

ISP9:49 amIslip Long Island

17h 41m

2 stops

SEA12:30 amSeattle/Tacoma Intl

$326

Find similar

Frontier

Nov 7

PDX3:26 pmPortland

37h 36m

2 stops

ISP8:02 amIslip Long Island

Nov 10

ISP4:58 pmIslip Long Island

21h 58m

2 stops

PDX11:56 amPortland

$333

Find similar

Frontier

Oct 7

PDX12:43 pmPortland

22h 30m

2 stops

ISP2:13 pmIslip Long Island

Oct 16

ISP9:37 pmIslip Long Island

17h 11m

2 stops

PDX11:48 amPortland

$357

Find similar

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

Oct 24

SEA8:20 amSeattle/Tacoma Intl

12h 25m

2 stops

ISP11:45 pmIslip Long Island

Oct 27

ISP12:35 pmIslip Long Island

15h 15m

2 stops

SEA12:50 amSeattle/Tacoma Intl

$397

Find similar

Southwest

Aug 19

PDX7:20 amPortland

11h 45m

2 stops

ISP10:05 pmIslip Long Island

Aug 26

ISP6:05 amIslip Long Island

10h 45m

1 stop

PDX1:50 pmPortland

$942

Find similar

Southwest

Aug 19

PDX7:00 amPortland

12h 05m

2 stops

ISP10:05 pmIslip Long Island

Aug 26

ISP4:00 pmIslip Long Island

9h 20m

2 stops

PDX10:20 pmPortland

$947

Find similar

momondo Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

SeattleIslip

SEA - ISP

SEAISP

Seattle/Tacoma Intl

Mon 9/22

1:47 pm-10:40 am

2 stops17h 53m

Islip Long Island

Sun 9/28

9:49 am-12:30 am

2 stops17h 41m

$326

PortlandIslip

PDX - ISP

PDXISP

Portland

Fri 11/7

3:26 pm-8:02 am

2 stops37h 36m

Islip Long Island

Mon 11/10

4:58 pm-11:56 am

2 stops21h 58m

$333

PortlandIslip

PDX - ISP

PDXISP

Portland

Tue 10/7

12:43 pm-2:13 pm

2 stops22h 30m

Islip Long Island

Thu 10/16

9:37 pm-11:48 am

2 stops17h 11m

$357

SeattleIslip

SEA - ISP

SEAISP

Seattle/Tacoma Intl

Thu 9/25

4:36 pm-10:40 am

2 stops15h 04m

Islip Long Island

Sun 9/28

9:49 am-12:30 am

2 stops17h 41m

$363

SeattleIslip

SEA - ISP

SEAISP

Seattle/Tacoma Intl

Mon 9/22

1:47 pm-10:40 am

2 stops17h 53m

Islip Long Island

Sun 9/28

9:49 am-12:30 am

2 stops17h 41m

$364

PortlandIslip

PDX - ISP

PDXISP

Portland

Mon 10/13

12:44 pm-9:44 am

2 stops18h 00m

Islip Long Island

Thu 10/16

9:37 pm-11:48 am

2 stops17h 11m

$380

SeattleIslip

SEA - ISP

SEAISP

Seattle/Tacoma Intl

Thu 9/25

4:36 pm-10:40 am

2 stops15h 04m

Islip Long Island

Sun 9/28

9:49 am-12:30 am

2 stops17h 41m

$386

SeattleIslip

SEA - ISP

SEAISP

Seattle/Tacoma Intl

Fri 10/24

8:20 am-11:45 pm

2 stops12h 25m

Islip Long Island

Mon 10/27

12:35 pm-12:50 am

2 stops15h 15m

$397

PortlandIslip

PDX - ISP

PDXISP

Portland

Thu 10/9

12:43 pm-9:04 am

2 stops17h 21m

Islip Long Island

Thu 10/16

9:37 pm-11:48 am

2 stops17h 11m

$400

PortlandIslip

PDX - ISP

PDXISP

Portland

Fri 11/7

3:26 pm-10:55 am

2 stops16h 29m

Islip Long Island

Mon 11/10

2:19 pm-8:07 pm

1 stop8h 48m

$615

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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

Airlines

Other information

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

Frontier is the most popular carrier operating from Washington to Islip Long Island

What airlines fly to Islip, New York?

Alaska Airlines, Delta and United Airlines 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 48% of people opting to fly with this airline when traveling to Islip, New York. Keep in mind that there are 10 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

Best Price Found	$126
Fastest flight time	8h 01m
Direct flights	None
Airports in Islip, New York	1 airport

The best one-way flight to Islip, New York from State of Washington in the past 72 hours is $126. The best round-trip flight deal from State of Washington to Islip, New York found on momondo in the last 72 hours is $326.

The fastest flight from State of Washington to Islip, New York takes 8h 01m

There are no direct flights from State of Washington to Islip, New York. Popular non-direct routes for this connection are Portland Airport - Islip Long Island Airport and Seattle/Tacoma Intl Airport - Islip Long Island Airport.

There is 1 airport near Islip, New York: Islip Long Island (ISP)

Search flight deals

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 many operators does momondo search for flights from Washington to Islip Long Island Airport?
As of August 2025, there is 1 operator available to choose from for flights from Washington to Islip Long Island Airport.
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.

Montauk

Riverhead

Sag Harbor

Southampton

Amagansett

Why use momondo?

Why should I use momondo to find a flight deal from Washington to Islip?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Washington to Islip. Millions of users trust and use momondo every year so you are in good hands.

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.

An easier way to manage your Islip, New York trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Start using Trips

Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

1 adult

Sat 8/23

Sat 8/30

Email me momondo's favorite deals

By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to the United States

Airports servicing New York

Popular cities in the United States

Flights to New Yorkfrom $47

Flights to Los Angelesfrom $47

Flights to Miamifrom $63

Flights to Chicagofrom $47

Flights to Orlandofrom $47

Flights to Las Vegasfrom $19

Flights to San Franciscofrom $51

Flights to Washington, D.C.from $53

Flights to Bostonfrom $73

Flights to Atlantafrom $47

Flights to Dallasfrom $53

Flights to Seattlefrom $76

Fly to other destinations from Washington

Flights from Spokane to Los Angeles

Flights from Pasco Tri Cities to Las Vegas Harry Reid Intl

Flights from Seattle/Tacoma Intl to Las Vegas Harry Reid Intl

Flights from Bellingham to Oakland

Flights from Seattle/Tacoma Intl to Bozeman Gallatin Field

Flights from Seattle/Tacoma Intl to Phoenix Sky Harbor Intl

Cheap flights from Washington to New York from $126

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 10/31. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Big names and deals

Big names and deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

Price Alerts

Price Alerts

Find the cheapest flights from Washington to New York

Cheap round-trip flights

Cheap one-way flights

Cheap last minute flights

Frontier flights from State of Washington to Islip, New York

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

Southwest flights from State of Washington to Islip, New York

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

momondo Fare Finder

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

See travel insights to New York from

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

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

Frontier is the most popular carrier operating from Washington to Islip Long Island

What airlines fly to Islip, New York?

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

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

Best Price Found

Fastest flight time

Direct flights

Airports in Islip, New York

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

How many operators does momondo search for flights from Washington to Islip Long Island Airport?

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

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

Traveling to a place near New York?

Why use momondo?

Why should I use momondo to find a flight deal from Washington to Islip?

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

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

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

An easier way to manage your Islip, New York trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to the United States

Airports servicing New York