$161 Find Cheap Flights from Islip to Washington - Compare and Save

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Islip to Washington departing on 10/5. 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.
1 adult
1 adult, Economy, 0 bags

Save 20% or more on flights. Compare deals from all over the web.

Never overpay with our price tracking tools.

Filter searches by price, airline and more to find your best flights.

Flight Deals
Booking Insights
Flight Deals

Book Cheap Islip to Washington Plane Tickets

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Islip to Washington 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.

Recent round-trip flight deals from Islip to Washington

Thu, Sep 10 - Thu, Sep 17
Southwest Logo
12:35 pm - 8:45 pm
ISP
-
PDX
11h 10m
2 stops
Southwest Logo
10:45 pm - 9:40 am
PDX
-
ISP
7h 55m
1 stop
$316Southwest
Thu, Sep 10 - Thu, Sep 17
Southwest Logo
12:35 pm - 9:15 pm
ISP
-
PDX
11h 40m
2 stops
Southwest Logo
11:30 pm - 12:35 pm
PDX
-
ISP
10h 05m
2 stops
$321Southwest
Thu, Sep 10 - Thu, Sep 17
Southwest Logo
12:35 pm - 8:45 pm
ISP
-
PDX
11h 10m
2 stops
Southwest Logo
11:30 pm - 12:35 pm
PDX
-
ISP
10h 05m
2 stops
$339Southwest
Fri, Aug 21 - Mon, Aug 24
Southwest Logo
10:20 am - 3:00 pm
ISP
-
PDX
7h 40m
1 stop
Southwest Logo
10:45 pm - 10:15 am
PDX
-
ISP
8h 30m
1 stop
$362Southwest
Fri, Aug 21 - Mon, Aug 24
Southwest Logo
10:20 am - 3:00 pm
ISP
-
PDX
7h 40m
1 stop
Southwest Logo
7:55 pm - 10:15 am
PDX
-
ISP
11h 20m
2 stops
$367Southwest
Fri, Aug 21 - Mon, Aug 24
Southwest Logo
4:05 pm - 11:40 pm
ISP
-
PDX
10h 35m
2 stops
Southwest Logo
7:55 pm - 10:15 am
PDX
-
ISP
11h 20m
2 stops
$372Southwest
Thu, Sep 10 - Thu, Sep 17
Southwest Logo
10:20 am - 3:00 pm
ISP
-
PDX
7h 40m
1 stop
Southwest Logo
10:45 pm - 9:40 am
PDX
-
ISP
7h 55m
1 stop
$394Southwest
Sat, Sep 19 - Fri, Sep 25
Southwest Logo
5:30 am - 10:45 am
ISP
-
SEA
8h 15m
1 stop
Southwest Logo
11:05 pm - 2:30 pm
SEA
-
ISP
12h 25m
2 stops
$407Southwest
Sat, Sep 19 - Fri, Sep 25
Southwest Logo
11:55 am - 8:55 pm
ISP
-
SEA
12h 00m
2 stops
Southwest Logo
11:00 pm - 12:05 pm
SEA
-
ISP
10h 05m
2 stops
$412Southwest
Tue, Sep 1 - Fri, Sep 4
Southwest Logo
6:05 am - 1:00 pm
ISP
-
SEA
9h 55m
1 stop
Southwest Logo
11:00 pm - 2:30 pm
SEA
-
ISP
12h 30m
2 stops
$413Southwest
Booking Insights

KAYAK's insights & trends for Islip to Washington flights

Get data-powered insights and trends into flights from Islip to Washington to help you find the cheapest flights, the best time to fly and much more.

How long does a flight from Islip to Washington take?

The duration of a flight to Washington depends on your arrival airport. The shortest route to Washington from Islip is to Seattle, which takes 10h 15m.

Find deals

Good to know

Cheapest flight

$161
Flight from Islip to Portland

FAQs - booking Washington flights

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

    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 Islip to Washington.

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

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight from Islip to 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 Islip to Washington?

    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 from Islip to Washington with an airline and back with another airline.

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

    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 from Islip to 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 from Islip to Washington

Information on your arrival and departure airports

Islip (ISP)