ISP

$193 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 1/30. 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
$193
Multiple Airlines
Fri 3/6Sun 3/8
IAD - ISP • 2 stops
Cheapest one-way
$141
Frontier
Fri 1/30
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

Fri, Mar 6 - Sun, Mar 8
Multiple Airlines Logo
2:58 pm - 9:48 am
IAD
-
ISP
18h 50m
2 stops
Multiple Airlines Logo
5:08 pm - 7:24 am
ISP
-
IAD
14h 16m
1 stop
$193Multiple Airlines
Fri, Mar 6 - Sun, Mar 8
Frontier Logo
2:39 pm - 9:48 am
IAD
-
ISP
19h 09m
1 stop
Frontier Logo
5:08 pm - 7:24 am
ISP
-
IAD
14h 16m
1 stop
$200Frontier
Thu, Feb 26 - Sun, Mar 1
Frontier Logo
8:07 pm - 4:12 pm
IAD
-
ISP
20h 05m
1 stop
Frontier Logo
8:33 am - 7:20 am
ISP
-
IAD
22h 47m
1 stop
$204Frontier
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
$305Frontier
Wed, Jun 10 - Mon, Jun 15
Southwest Logo
4:40 pm - 10:35 pm
DCA
-
ISP
5h 55m
1 stop
Southwest Logo
5:20 am - 12:00 pm
ISP
-
DCA
6h 40m
1 stop
$347Southwest
Fri, Feb 6 - Sun, Feb 8
Multiple Airlines Logo
9:35 am - 8:47 pm
IAD
-
ISP
11h 12m
1 stop
Multiple Airlines Logo
10:31 am - 5:47 pm
ISP
-
IAD
7h 16m
1 stop
$351Multiple Airlines
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
$365Frontier
Fri, Mar 6 - Sun, Mar 8
Southwest Logo
6:05 am - 4:30 pm
DCA
-
ISP
10h 25m
1 stop
Southwest Logo
12:20 pm - 8:50 pm
ISP
-
DCA
8h 30m
1 stop
$368Southwest
Fri, Mar 6 - Sun, Mar 8
Southwest Logo
6:05 am - 4:30 pm
DCA
-
ISP
10h 25m
1 stop
Southwest Logo
12:20 pm - 10:40 pm
ISP
-
DCA
10h 20m
2 stops
$373Southwest
Fri, Feb 20 - Fri, Feb 27
Southwest Logo
7:30 am - 4:45 pm
DCA
-
ISP
9h 15m
1 stop
Southwest Logo
6:35 am - 2:55 pm
ISP
-
DCA
8h 20m
1 stop
$418Southwest
Useful Info

Good to know

Low seasonJanuary
Cheapest flight$141
Best time to beat the crowds with an average 7% 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)