ISP

$225 Find Cheap Flights from Washington to Islip

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight to Islip departing on 9/3. 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

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Flights 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.

Recent round-trip flight deals from Washington to Islip

Tue, Aug 19 - Tue, Aug 26
Southwest Logo
9:05 pm - 11:55 amPDX-ISP
11h 50m1 stop
Southwest Logo
6:05 am - 1:50 pmISP-PDX
10h 45m1 stop
$328Southwest
Find Deal
Tue, Aug 19 - Tue, Aug 26
Southwest Logo
6:10 am - 9:05 pmPDX-ISP
11h 55m2 stops
Southwest Logo
4:00 pm - 10:20 pmISP-PDX
9h 20m2 stops
$333Southwest
Find Deal
Mon, Aug 4 - Mon, Aug 11
Southwest Logo
10:55 pm - 11:55 amSEA-ISP
10h 00m2 stops
Southwest Logo
3:05 pm - 9:30 pmISP-SEA
9h 25m1 stop
$356Southwest
Find Deal
Mon, Aug 4 - Mon, Aug 11
Southwest Logo
10:55 pm - 11:55 amSEA-ISP
10h 00m2 stops
Southwest Logo
3:05 pm - 12:05 amISP-SEA
12h 00m2 stops
$361Southwest
Find Deal
Tue, Aug 19 - Tue, Aug 26
Frontier Logo
6:51 am - 11:59 pmPDX-ISP
14h 08m2 stops
Frontier Logo
6:05 am - 10:39 pmISP-PDX
19h 34m2 stops
$446Frontier
Find Deal
Mon, Aug 4 - Mon, Aug 11
Southwest Logo
9:10 pm - 11:55 amSEA-ISP
11h 45m1 stop
Southwest Logo
3:05 pm - 9:30 pmISP-SEA
9h 25m1 stop
$468Southwest
Find Deal
Tue, Aug 19 - Tue, Aug 26
Frontier Logo
6:51 am - 11:59 pmPDX-ISP
14h 08m2 stops
Frontier Logo
6:05 am - 10:39 pmISP-PDX
19h 34m2 stops
$482Frontier
Find Deal
Fri, Jul 25 - Tue, Jul 29
Frontier Logo
5:50 pm - 1:04 pmPDX-ISP
16h 14m2 stops
Frontier Logo
8:00 am - 11:24 pmISP-PDX
18h 24m2 stops
$502Frontier
Find Deal
Thu, Aug 7 - Thu, Aug 14
Frontier Logo
6:25 am - 1:04 pmSEA-ISP
51h 39m2 stops
Frontier Logo
6:00 am - 6:59 pmISP-SEA
39h 59m2 stops
$505Frontier
Find Deal
Tue, Aug 19 - Tue, Aug 26
 Logo
7:35 pm - 8:01 pmPDX-ISP
21h 26m2 stops
 Logo
7:30 am - 9:01 pmISP-PDX
16h 31m3 stops
Useful Info

Good to know

Low seasonJanuary
High seasonJuly
Cheapest flight$225
Best time to beat the crowds with an average 9% drop in price.
Most popular time to fly and prices are also 1% lower on average.
Flight from Seattle to Islip

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

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