DCA - ISP

$169 Find Cheap Flights from Reagan Washington National Airport 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 from Reagan-National to Islip departing on 7/24. 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

KAYAK searches 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
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Flights Deals

Cheap Flights from Reagan-National to Islip (DCA-ISP)

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

Sat, Aug 9 - Tue, Aug 12
Southwest Logo
8:00 am - 4:10 pmDCA-ISP
8h 10m1 stop
Southwest Logo
4:00 pm - 10:00 pmISP-DCA
6h 00m1 stop
$307Southwest
Find Deal
Sat, Aug 9 - Tue, Aug 12
Southwest Logo
6:55 am - 3:05 pmDCA-ISP
8h 10m2 stops
Southwest Logo
4:00 pm - 10:00 pmISP-DCA
6h 00m1 stop
$312Southwest
Find Deal
Sat, Aug 9 - Tue, Aug 12
Southwest Logo
6:55 am - 3:05 pmDCA-ISP
8h 10m2 stops
Southwest Logo
2:05 pm - 10:00 pmISP-DCA
7h 55m2 stops
$317Southwest
Find Deal
Thu, Aug 7 - Sat, Aug 9
Southwest Logo
6:55 am - 3:35 pmDCA-ISP
8h 40m1 stop
Southwest Logo
6:05 am - 5:00 pmISP-DCA
10h 55m1 stop
$353Southwest
Find Deal
Thu, Oct 23 - Sun, Oct 26
Southwest Logo
6:55 am - 2:35 pmDCA-ISP
7h 40m1 stop
Southwest Logo
12:55 pm - 10:55 pmISP-DCA
10h 00m1 stop
$359Southwest
Find Deal
Thu, Jul 10 - Mon, Jul 14
Southwest Logo
12:55 pm - 10:10 pmDCA-ISP
9h 15m1 stop
Southwest Logo
5:05 am - 11:25 amISP-DCA
6h 20m1 stop
$373Southwest
Find Deal
Sun, Jul 20 - Sun, Jul 27
Southwest Logo
11:35 am - 5:20 pmDCA-ISP
5h 45m1 stop
Southwest Logo
1:20 pm - 10:50 pmISP-DCA
9h 30m2 stops
$394Southwest
Find Deal
Sun, Jul 20 - Sun, Jul 27
Southwest Logo
6:55 am - 5:20 pmDCA-ISP
10h 25m2 stops
Southwest Logo
1:20 pm - 10:50 pmISP-DCA
9h 30m2 stops
$399Southwest
Find Deal
Tue, Jul 29 - Thu, Jul 31
Logo
3:45 pm - 10:58 amDCA-ISP
19h 13m1 stop
Logo
1:51 pm - 4:56 pmISP-DCA
27h 05m1 stop
$585
Find Deal
Thu, Aug 14 - Mon, Aug 18
Logo
8:00 am - 12:00 pmDCA-ISP
28h 00m1 stop
Logo
11:53 am - 7:38 amISP-DCA
19h 45m1 stop
$614
Find Deal
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Good to know

Cheapest flight$169
Flight from Reagan Washington National Airport to Islip

When to book flights from Reagan-National to Islip

Are your dates flexible? Find out the best times to travel from Reagan-National 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 Reagan Washington National Airport to Islip flights

  • What is the cheapest flight from Washington, D.C. Reagan-National Airport to Islip?

    In the last 3 days, the lowest price for a flight from Washington, D.C. Reagan-National Airport to Islip was $169 for a one-way ticket and $307 for a round-trip.

  • Do I need a passport to fly between Reagan Washington National Airport and Islip?

    No, a passport isn't needed to fly from Reagan Washington National Airport to Islip. However, local authorities might ask for an official ID.

  • Which airports will I be using when flying from Reagan Washington National Airport to Islip?

    Reagan Washington National Airport and Islip are both served by 1 main airport. You will leave Reagan Washington National Airport from Washington, D.C. Reagan-National and will be arriving at Islip Long Island.

  • Which aircraft models fly most regularly from Reagan Washington National Airport to Islip?

    We unfortunately don’t have that data for this specific route.

  • How does KAYAK find such low prices on flights from Reagan Washington National Airport 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 Reagan Washington National Airport to Islip.

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

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Islip from Reagan Washington National Airport 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 Reagan Washington National Airport 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 Reagan Washington National Airport with another airline. Booking your flights between Reagan Washington National Airport and ISP can sometimes prove cheaper using this method.

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

Information on your arrival and departure airports

Reagan Washington National Airport (DCA)
Islip (ISP)

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