How does KAYAK find such low prices on flights from Washington to Islip?

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Washington to Islip. Visit our flight page for the latest deals!>/a>

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Washington to Islip?

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Islip from Washington is likely to change within 7 days, so travelers know whether to wait or book now. Visit our flight page for the latest deals!>/a>

What is the Hacker Fare option on flights from Washington to Islip?

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Islip with an airline and back to Washington with another airline. Visit our flight page for the latest deals!>/a>

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Washington to Islip?

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Islip from Washington up to 3 days before/after your preferred dates. You can then pick the flights that suit you best. Visit our flight page for the latest deals!>/a>

$373 CHEAP FLIGHTS from Washington to Islip

ISP

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Flight Deals

Cheap Flights from Washington to Islip

Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Washington to Islip that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.

Discover the best prices for you by selecting your travel dates on KAYAK.

Round-trip

One-way

Last minute

Recent round-trip flight deals from Washington to Islip

Thu, Oct 23 - Tue, Oct 28

6:35 pm - 11:50 amSEA-ISP

14h 15m2 stops

11:40 am - 7:50 pmISP-SEA

11h 10m2 stops

$373Southwest

Find Deal

Thu, Oct 23 - Mon, Oct 27

7:20 am - 11:45 pmSEA-ISP

13h 25m2 stops

12:35 pm - 12:05 amISP-SEA

14h 30m2 stops

$383Southwest

Find Deal

Fri, Oct 24 - Tue, Oct 28

8:20 am - 11:45 pmSEA-ISP

12h 25m2 stops

11:40 am - 7:50 pmISP-SEA

11h 10m2 stops

$387Southwest

Find Deal

Sun, Oct 19 - Sun, Oct 26

7:05 pm - 11:50 amPDX-ISP

13h 45m2 stops

11:20 am - 8:55 pmISP-PDX

12h 35m2 stops

$479Southwest

Find Deal

Thu, Oct 16 - Sun, Oct 19

12:43 pm - 9:04 amPDX-ISP

17h 21m2 stops

9:47 pm - 11:48 amISP-PDX

17h 01m2 stops

$544Frontier

Find Deal

Fri, Sep 26 - Fri, Oct 3

11:34 pm - 10:58 amSEA-ISP

8h 24m1 stop

4:33 pm - 10:08 pmISP-SEA

8h 35m1 stop

$939

Find Deal

Wed, Nov 19 - Sun, Nov 23

11:10 pm - 10:58 amSEA-ISP

8h 48m1 stop

2:19 pm - 10:30 pmISP-SEA

11h 11m2 stops

$954

Find Deal

Mon, Dec 8 - Thu, Dec 11

8:39 pm - 10:58 amPDX-ISP

11h 19m2 stops

2:19 pm - 8:10 pmISP-PDX

8h 51m1 stop

$987

Find Deal

Mon, Oct 13 - Fri, Oct 17

8:50 pm - 10:58 amPDX-ISP

11h 08m2 stops

2:19 pm - 8:15 pmISP-PDX

8h 56m1 stop

$1,092

Find Deal

Sun, Sep 7 - Fri, Sep 12

11:34 pm - 10:58 amSEA-ISP

8h 24m1 stop

4:33 pm - 10:08 pmISP-SEA

8h 35m1 stop

$1,106

Find Deal

Useful Info

Low season	January
High season	July
Cheapest flight	$373

Best time to beat the crowds with an average 12% drop in price.

Most popular time to fly with an average 7% increase in price.

Flight from Seattle to Islip

How does KAYAK find such low prices on flights from Washington to Islip?
KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Washington to Islip.
How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Washington to Islip?
KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Islip from Washington is likely to change within 7 days, so travelers know whether to wait or book now.
What is the Hacker Fare option on flights from Washington to Islip?
Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Islip with an airline and back to Washington with another airline.
What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Washington to Islip?
Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Islip from Washington up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Riverhead

Amagansett

Everything you need to know for your flight to Islip

Airports

Cabin class

Complete your trip

Direct Flights

Flights to other cities

Origins

Other airports

Return flight deals

Information on the airport you'll fly into in Islip

Islip (ISP)

Not what you’re looking for? Find thousands of other hotels, flights, car rentals and package deals with KAYAK.

ISP

$373 Find Cheap Flights from Washington to Islip

KAYAK searches hundreds of travel sites at once for deals on flights to Islip

Cheap Flights from Washington to Islip

Recent round-trip flight deals from Washington to Islip

Recent one-way flight deals from Washington to Islip

Recent last minute flight deals from Washington to Islip

Good to know

FAQs for booking flights from Washington to Islip

How does KAYAK find such low prices on flights from Washington to Islip?

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Washington to Islip.

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Washington to Islip?

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Islip from Washington is likely to change within 7 days, so travelers know whether to wait or book now.

What is the Hacker Fare option on flights from Washington to Islip?

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Islip with an airline and back to Washington with another airline.

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Washington to Islip?

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Islip from Washington up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Traveling to a place near Islip?

Everything you need to know for your flight to Islip

Information on the airport you'll fly into in Islip

Cabin class types available on flights to Washington

Complete your trip to Islip with a hotel stay or car rental

Find direct flights for Islip

Flights to other popular destinations

Flights from domestic origins to Islip

Choose which airport to fly into in Islip

Find deals for your return flight