ISP

$188 Find Cheap Flights from District of Columbia 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 2/22. 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

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Everything you should know

Cheapest round-trip
$309
Frontier
Thu 3/12Thu 3/19
IAD - ISP • 1 stop
Cheapest one-way
$188
Frontier
Sun 2/22
IAD - ISP • 1 stop
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We hope you love your trip to Islip!
Flight Deals
Useful Info
Flight Deals

Cheap Flights from District of Columbia to Islip

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

Thu, Mar 12 - Thu, Mar 19
Frontier Logo
8:15 am - 4:13 pm
IAD
-
ISP
7h 58m
1 stop
Frontier Logo
4:34 pm - 7:24 am
ISP
-
IAD
14h 50m
1 stop
$309Frontier
Fri, Feb 6 - Sun, Feb 8
Frontier Logo
9:35 am - 8:47 pm
IAD
-
ISP
11h 12m
1 stop
Frontier Logo
9:25 am - 12:36 pm
ISP
-
IAD
27h 11m
1 stop
$310Frontier
Thu, Mar 12 - Thu, Mar 19
Multiple Airlines Logo
8:15 am - 4:13 pm
IAD
-
ISP
7h 58m
1 stop
Multiple Airlines Logo
7:26 pm - 7:24 am
ISP
-
IAD
35h 58m
2 stops
$314Multiple Airlines
Fri, Feb 6 - Sun, Feb 8
Frontier Logo
9:35 am - 8:47 pm
IAD
-
ISP
11h 12m
1 stop
Frontier Logo
7:53 pm - 4:28 pm
ISP
-
IAD
20h 35m
2 stops
$355Frontier
Tue, Feb 10 - Sat, Feb 14
Multiple Airlines Logo
9:50 am - 1:13 pm
DCA
-
ISP
27h 23m
1 stop
Multiple Airlines Logo
8:23 pm - 11:22 am
ISP
-
DCA
14h 59m
1 stop
$357Multiple Airlines
Fri, Feb 6 - Sun, Feb 8
Multiple Airlines Logo
9:35 am - 8:47 pm
IAD
-
ISP
11h 12m
1 stop
Multiple Airlines Logo
9:25 am - 2:18 pm
ISP
-
IAD
28h 53m
2 stops
$357Multiple Airlines
Tue, Mar 17 - Thu, Mar 19
Southwest Logo
6:00 am - 1:40 pm
DCA
-
ISP
7h 40m
1 stop
Southwest Logo
12:15 pm - 10:45 pm
ISP
-
DCA
10h 30m
1 stop
$402Southwest
Thu, Mar 12 - Thu, Mar 19
JetBlue Logo
7:00 am - 7:30 pm
DCA
-
ISP
12h 30m
1 stop
JetBlue Logo
8:25 pm - 10:41 pm
ISP
-
DCA
26h 16m
1 stop
$451JetBlue
Sat, Jun 27 - Mon, Jun 29
JetBlue Logo
6:59 am - 12:56 pm
DCA
-
ISP
5h 57m
1 stop
JetBlue Logo
12:35 pm - 10:34 pm
ISP
-
DCA
9h 59m
1 stop
$458JetBlue
Wed, Feb 11 - Sun, Feb 15
Southwest Logo
7:55 am - 2:35 pm
DCA
-
ISP
6h 40m
1 stop
Southwest Logo
5:00 pm - 10:55 pm
ISP
-
DCA
5h 55m
1 stop
$653Southwest
Useful Info

Good to know

Low seasonJanuary
Cheapest flight$188
Best time to beat the crowds with an average 6% drop in price.
Most popular time to fly with an average 5% increase in price.
Flight from Washington Dulles Airport to Islip

FAQs for booking flights from District of Columbia to Islip

  • How does KAYAK find such low prices on flights from District of Columbia 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 District of Columbia to Islip.

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

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Islip from District of Columbia 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 District of Columbia 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 District of Columbia with another airline.

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

Traveling to a place near Islip?

Book flights to Islip if you plan to visit one of these locations
Riverhead
Amagansett

Everything you need to know for your flight to Islip

Information on the airport you'll fly into in Islip

Islip (ISP)