Cheap Flight Tickets from Washington (DCA) to Islip (ISP), Starting at $477

Good to Know: Cheapest and Fastest DCA - ISP Flights

Useful information for finding best airline tickets from Ronald Reagan Washington National to Long Island Mac Arthur on your next trip.

Cheapest Round Trip Flight

$477

WN Southwest Airlines • 1 stop • 13h 55m

Aug 10 – Aug 14

The cheapest round trip flight from Washington to Islip (DCA-ISP-DCA) is currently $477

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Fastest Flight

13h 55m

The fastest nonstop flight from Washington to Islip (DCA-ISP) takes 13h 55m

Top Airlines Flying from Washington to Islip

Southwest Airlines-WN

Southwest Airlines

Delta Airline, DL

Delta Airlines

United Airlines, UA

United Airlines

American Airlines, AA

American Airlines

Latest Flight Deals from Washington (DCA) to Islip (ISP)

Compare and book low fare round-trip air tickets from Washington to Islip. Ideal for travelers with confirmed return itineraries.

Aug 10 - Aug 14, Economy
WN
Washington → Islip
13h 55m
12:55 PM - 9:30 PM • 1 stop
WN
Washington → Islip
10h 55m
5:00 PM - 11:55 PM • 1 stop
$477
Southwest Airlines
Aug 10 - Aug 14, Economy
WN
Washington → Islip
42h 35m
1:00 PM - 2:55 PM • 2 stops
WN
Washington → Islip
32h 10m
1:15 PM - 8:45 AM • 3 stops
$545
Southwest Airlines
Aug 10 - Aug 14, Economy
WN
Washington → Islip
20h 30m
9:35 AM - 10:05 PM • 2 stops
WN
Washington → Islip
32h 10m
1:15 PM - 8:45 AM • 3 stops
$602
Southwest Airlines
Aug 10 - Aug 14, Economy
WN
Washington → Islip
29h
9:15 PM - 2:55 PM • 2 stops
WN
Washington → Islip
17h 20m
1:15 PM - 11:55 PM • 2 stops
$699
Southwest Airlines
Aug 10 - Aug 14, Economy
WN
Washington → Islip
33h 35m
6:40 PM - 2:55 PM • 2 stops
WN
Washington → Islip
17h 20m
1:15 PM - 11:55 PM • 2 stops
$699
Southwest Airlines
Aug 10 - Aug 14, Economy
B6
Washington → Islip
23h 26m
7:38 AM - 9:44 PM • 1 stop
B6
Washington → Islip
13h 44m
11:35 AM - 7:59 PM • 1 stop
$862
JetBlue Airways

Fly from Washington to Islip with the Best Airfare Deals on FareLeaders

Looking for a cheap last-minute deal or the best round-trip flight from Washington to Islip? Find the biggest savings on one-way and round-trip tickets right here.

FAQs on Washington to Islip Flights

What are the airports in Washington?
IAD,BWI,DCA
What’s the most popular airline flying from DCA to ISP?
The most popular airline flying from Washington to Islip are
Can I fly from DCA to ISP non-stop?
NO
Which airlines fly nonstop between Washington and Islip?
The non-stop flights between Washington and Islip are .
What’s the earliest departure time from DCA to ISP Airport?
The earliest flight leaves DCA at 7:38 am and lands in ISP - Long Island Mac Arthur
What are the airports in Islip?
ISP
Can I make changes to my Washington to Islip flight tickets or cancel them on FareLeaders.com?
No. We are an airfare comparison site. All the tickets are booked by the travel agent offering the flight deal and any changes or cancellations to be made are directly done directly by them or the airlines.
Can I cancel my flight tickets from DCA to ISP?
Read the fare rules of the Washington to Islip air tickets booked. Some airlines allow you to cancel the tickets within a stipulated time period with a cancellation fee.
Which airline alliances offer flights from Washington and Islip?
operate flights between Washington and Islip
How long does a flight from Washington to Islip take?
It takes approximately 1 hour to fly non-stop from DCA to ISP, which is 248.65 miles by air.
Which airlines provide the cheapest flights from Washington (DCA) to Islip (ISP) ?
In the past couple of days, the cheapest tickets to ISP from DCA were found on WN : USD 699
Do I need a passport to fly between DCA and ISP?
No
What’s the latest departure time from DCA to ISP ?
The last flight leaves DCA at 9:15 pm

Washington (DCA) to Islip (ISP): Airport Information

Origin Airport Ronald Reagan Washington National , Washington, US
Destination Airport Long Island Mac Arthur , Islip, US
Distance 249 miles

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