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>

$163 CHEAP FLIGHTS from Washington to Islip

ISP

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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

Tue, Jul 8 - Sat, Jul 12

8:30 am - 10:55 pmPDX-ISP

11h 25m2 stops

11:00 am - 7:25 pmISP-PDX

11h 25m2 stops

$454Southwest

Find Deal

Tue, Jul 8 - Sat, Jul 12

6:35 am - 3:42 pmPDX-ISP

30h 07m2 stops

8:37 pm - 10:15 amISP-PDX

40h 38m2 stops

$483Frontier

Find Deal

Tue, Aug 19 - Mon, Aug 25

6:41 am - 11:59 pmSEA-ISP

14h 18m2 stops

8:59 am - 12:34 amISP-SEA

18h 35m2 stops

$491Frontier

Find Deal

Tue, Jul 8 - Sat, Jul 12

8:55 am - 10:55 pmPDX-ISP

11h 00m2 stops

6:00 am - 3:40 pmISP-PDX

12h 40m1 stop

$496Southwest

Find Deal

Wed, Aug 20 - Mon, Aug 25

6:41 am - 11:41 pmSEA-ISP

14h 00m2 stops

8:59 am - 12:34 amISP-SEA

18h 35m2 stops

$499Frontier

Find Deal

Sun, Aug 31 - Sun, Sep 7

12:18 pm - 12:16 pmPDX-ISP

20h 58m2 stops

11:27 am - 12:16 amISP-PDX

39h 49m2 stops

$511Frontier

Find Deal

Fri, Aug 1 - Tue, Aug 5

5:50 pm - 1:04 pmPDX-ISP

16h 14m2 stops

8:00 am - 11:24 pmISP-PDX

18h 24m2 stops

$548Frontier

Find Deal

Fri, Jun 27 - Tue, Jul 8

8:01 pm - 7:36 pmSEA-ISP

20h 35m2 stops

8:00 am - 11:42 pmISP-SEA

18h 42m2 stops

$569Frontier

Find Deal

Sun, Aug 31 - Sun, Sep 7

6:27 am - 12:16 pmPDX-ISP

26h 49m2 stops

11:27 am - 12:16 amISP-PDX

39h 49m2 stops

$575Frontier

Find Deal

Thu, Jun 26 - Mon, Jun 30

12:12 pm - 3:19 pmPDX-ISP

24h 07m3 stops

10:44 am - 5:44 pmISP-PDX

34h 00m3 stops

$901

Find Deal

Useful Info

Low season	January
High season	July
Cheapest flight	$163

Best time to beat the crowds with an average 8% drop in price.

Most popular time to fly and prices are also 2% lower on average.

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.

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

$163 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.

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