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Uncover the best deals on Islip to Washington flights by comparing fares from hundreds of airlines and agencies.
Good to Know: Cheapest and Fastest ISP - DCA Flights
Useful information for finding best airline tickets from Long Island Mac Arthur to Ronald Reagan Washington National on your next trip.
Cheapest Round Trip Flight
$392
Southwest Airlines
• 1 stop
• 9h
Jul 25 – Jul 26
The cheapest round trip flight from Islip to Washington (ISP-DCA-ISP) is currently $392
Fastest Flight
9h
The fastest nonstop flight from Islip to Washington (ISP-DCA) takes 9h
Latest Flight Deals from Islip (ISP) to Washington (DCA)
Compare and book low fare round-trip air tickets from Islip to Washington. Ideal for travelers with confirmed return itineraries.
Jul 25 - Jul 26, Economy
Islip → Washington
9h
5:30 AM - 11:10 AM • 1 stop
Islip → Washington
18h 55m
12:45 PM - 12:20 AM • 1 stop
Southwest Airlines
Jul 25 - Jul 26, Economy
Islip → Washington
25h 50m
5:30 AM - 9:20 PM • 2 stops
Islip → Washington
15h 45m
6:55 AM - 4:40 PM • 1 stop
Southwest Airlines
Jul 25 - Jul 26, Economy
Islip → Washington
25h 30m
5:15 PM - 8:45 AM • 2 stops
Islip → Washington
12h 30m
4:30 PM - 12:20 AM • 1 stop
Southwest Airlines
Jul 25 - Jul 26, Economy
Islip → Washington
25h 25m
6:00 AM - 9:25 PM • 1 stop
Islip → Washington
25h 46m
6:55 PM - 10:41 AM • 1 stop
JetBlue Airways
Jul 25 - Jul 26, Economy
Islip → Washington
15h 53m
10:06 AM - 7:59 PM • 1 stop
Islip → Washington
25h 46m
6:55 PM - 10:41 AM • 1 stop
JetBlue Airways
FAQs on Islip to Washington Flights
What are the airports in Islip?
ISP
What’s the most popular airline flying from ISP to DCA?
The most popular airline flying from Islip to Washington are
Can I fly from ISP to DCA non-stop?
NO
Which airlines fly nonstop between Islip and Washington?
The non-stop flights between Islip and Washington are .
What’s the earliest departure time from ISP to DCA Airport?
The earliest flight leaves ISP at 5:30 am and lands in DCA - Ronald Reagan Washington National
What are the airports in Washington?
IAD,BWI,DCA
Can I make changes to my Islip to Washington 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 ISP to DCA?
Read the fare rules of the Islip to Washington 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 Islip and Washington?
operate flights between Islip and Washington
How long does a flight from Islip to Washington take?
It takes approximately 1 hour to fly non-stop from ISP to DCA, which is 248.65 miles by air.
Which airlines provide the cheapest flights from Islip (ISP) to Washington (DCA) ?
In the past couple of days, the cheapest tickets to DCA from ISP were found on WN : USD 392
Do I need a passport to fly between ISP and DCA?
No
What’s the latest departure time from ISP to DCA ?
The last flight leaves ISP at 5:15 pm
Islip (ISP) to Washington (DCA): Airport Information
| Origin Airport | Long Island Mac Arthur , Islip, US |
| Destination Airport | Ronald Reagan Washington National , Washington, US |
| Distance | 249 miles |
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