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WAS - ISP

Find cheap flights from Washington, D.C. to Islip from $59

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Washington, D.C. to Islip departing on 5/19. 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
0 bags
Sat 5/25
Sat 6/1

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

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Washington, D.C. to Islip, as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Washington, D.C. to Islip, as well as popular online travel agencies
In the last 7 days travelers have searched 44,979,812 times on KAYAK, and here is why:

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Cheap flight deals from Washington, D.C. to Islip (WAS-ISP)

Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Washington, D.C. 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 and deals for you by selecting your travel dates.
Choose your dates
8:46 pm - 8:13 amBWI-ISP
11h 27m1 stop
10:27 pm - 7:38 amISP-BWI
9h 11m1 stop
$106Frontier
Find Deal
Sat, May 18 - Sun, May 19
8:23 am - 9:03 amBWI-ISP
24h 40m1 stop
10:27 pm - 7:38 amISP-BWI
9h 11m1 stop
$183Frontier
Find Deal
Thu, May 16 - Sun, May 19
9:10 pm - 8:55 amBWI-ISP
11h 45m1 stop
10:00 am - 8:45 pmISP-BWI
10h 45m1 stop
$238Frontier
Find Deal
Mon, Sep 23 - Thu, Sep 26
9:06 pm - 10:02 amBWI-ISP
12h 56m1 stop
10:27 pm - 12:54 pmISP-BWI
14h 27m2 stops
$242Frontier
Find Deal
Sat, May 18 - Sun, May 19
8:08 am - 9:32 pmBWI-ISP
13h 24m1 stop
9:51 pm - 9:07 pmISP-BWI
23h 16m1 stop
$298Frontier
Find Deal
Fri, May 10 - Sun, May 12
8:41 pm - 8:13 amBWI-ISP
11h 32m1 stop
10:27 pm - 12:54 pmISP-BWI
14h 27m2 stops
$303Frontier
Find Deal
Sat, Jun 1 - Sun, Jun 2
10:00 pm - 8:13 amBWI-ISP
10h 13m1 stop
10:27 pm - 12:54 pmISP-BWI
14h 27m2 stops
$319Frontier
Find Deal
Thu, May 16 - Sun, May 19
10:50 am - 6:06 pmBWI-ISP
7h 16m1 stop
10:27 pm - 8:25 amISP-BWI
9h 58m1 stop
$338Frontier
Find Deal
Sun, Jun 2 - Sun, Jun 2
10:50 am - 6:06 pmBWI-ISP
7h 16m1 stop
10:27 pm - 12:54 pmISP-BWI
14h 27m2 stops
$343Frontier
Find Deal
Sun, Jun 2 - Sun, Jun 2
8:23 am - 9:01 amBWI-ISP
24h 38m1 stop
7:19 pm - 3:15 pmISP-BWI
19h 56m1 stop
$392Frontier
Find Deal
Thu, May 23 - Sun, May 26

Flights from Washington, D.C. to Islip - Travel Insights & Trends

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

How many flights are there between Washington, D.C. and Islip, New York per day?

Each day, there are between 3 and 4 nonstop flights that take off from Washington, D.C. and land in Islip, New York, with an average flight time of 1h 09m. The most common departure time is 4:00 pm and most flights take off in the afternoon. Each week, there are 27 flights. The most frequent day of departure is Friday, when 15% of all weekly flights depart. The fewest flights depart on a Saturday.

What’s the earliest departure time from Washington, D.C. to Islip?

Early birds can take the earliest flight from Washington, D.C. at 8:35 am and will be landing in Islip, New York at 9:50 am.

What’s the latest departure time from Washington, D.C. to Islip?

If you prefer to fly at night, the latest flight from Washington, D.C. to Islip, New York jets off at 10:50 pm and lands at 11:55 pm.

Good to know

Cheapest flight

$59
Flight from Baltimore to Islip

When to book flights from Washington, D.C. to Islip

Are your dates flexible? Find out the best times to travel from Washington, D.C. to Islip based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

FAQs for booking flights from Washington, D.C. to Islip

  • What is the cheapest flight from Washington, D.C. to Islip, New York?

    In the last 3 days, the lowest price for a flight from Washington, D.C. to Islip, New York was $59 for a one-way ticket and $106 for a round-trip.

  • Do I need a passport to fly between Washington, D.C. and Islip?

    A passport is not required to fly from Washington, D.C. to Islip.

  • Which airports will I be using when flying from Washington, D.C. to Islip?

    Washington, D.C. is served by 2 major airports and there is only 1 main airport in Islip. You will leave Washington, D.C. from one of these airports: Washington, D.C. Reagan-National or Washington, D.C. Dulles Intl. You will be arriving at Islip Long Island.

  • Which aircraft models fly most regularly from Washington, D.C. to Islip?

    The Boeing 737 MAX 8 is the aircraft model that flies most regularly on the Washington, D.C. to Islip flight route.

  • On which days can I fly direct from Washington, D.C. to Islip?

    There are nonstop flights from Washington, D.C. to Islip on a daily basis.

  • How does KAYAK find such low prices on flights from Washington, D.C. 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, D.C. to Islip.

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

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Islip from Washington, D.C. 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, D.C. 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, D.C. with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Washington, D.C. 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, D.C. up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

See more FAQs

Book cheap flights from Washington, D.C. to Islip

Recent one-way flight deals

 
Only flying one-way? Below are some of the best one-way flight deals from Washington, D.C. to Islip found on KAYAK in the last 72 hours.
5/19Sun
1 stopFrontier
8h 10mBWI-ISP
$59
5/17Fri
1 stopFrontier
11h 44mBWI-ISP
$65
5/15Wed
1 stopFrontier
11h 23mBWI-ISP
$125
5/25Sat
1 stopFrontier
11h 32mBWI-ISP
$135
5/26Sun
1 stopFrontier
8h 10mBWI-ISP
$169
5/24Fri
1 stopFrontier
11h 36mBWI-ISP
$175
6/14Fri
2 stops
11h 27mBWI-ISP
$192
6/21Fri
1 stopFrontier
14h 11mBWI-ISP
$209
6/14Fri
1 stopFrontier
14h 11mBWI-ISP
$210
6/21Fri
2 stops
11h 27mBWI-ISP
$413

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Last minute flights from Washington, D.C. to Islip

Last minute flight, train and bus deals

 
These last-minute flight deals are the cheapest flights found on KAYAK in the last 72 hours for flights from Washington, D.C. to Islip that are departing in the next 10 days.
4/28Sun
multi-stopFrontier
15h 53mBWI-ISP
4/30Tue
multi-stopFrontier
17h 06mISP-BWI
$1,115
4/26Fri
multi-stopFrontier
13h 24mBWI-ISP
4/28Sun
multi-stopFrontier
13h 13mISP-BWI
$1,118

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Flights to Islip

Destination:

Islip (ISP)United States

Return flight deals:

Islip - Washington, D.C.

Cabin classes:

$192