DCA to ISP

Washington Dc to Islip Ny flight ticket price

Compare fares, departure times, stops and baggage details for this route, then open the full search when you are ready to check current availability and complete booking.

DCA
Washington Dc (DCA), United StatesRonald Reagan National
ISP
Islip Ny (ISP), United StatesLong Island Mac Arthur
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Live flights for Sat, 06 Jun 2026

Review fares, stops, timings and baggage. Use Search or View all flights for the complete search result.

Showing flight options for the selected travel date.
Currency: USD
Sat, 06 JunDCA to ISP$512 Sun, 07 JunDCA to ISP Mon, 08 JunDCA to ISP Tue, 09 JunDCA to ISP Wed, 10 JunDCA to ISP Thu, 11 JunDCA to ISP Fri, 12 JunDCA to ISP
Sort By:DepartureDurationArrivalPrice
United Airlines
United Airlines
UA-4180
17:55
2026-06-06
WASHINGTON DC (DCA)United StatesRonald Reagan National
16H :35 M
2 Stops
EWR · 1h 09mNew York (EWR), United States
BOS · 10h 43mBoston (BOS), United States
10:30
2026-06-07
Islip NY (ISP)United StatesLong Island Mac Arthur
$512
total fare
Non Refundable 2 Seat Left Economy
Cabin: Included
Delta Air Lines
Delta Air Lines
DL-5687
09:15
2026-06-06
WASHINGTON DC (DCA)United StatesRonald Reagan National
25H :15 M
1 Stop
BOS · 21h 56mBoston (BOS), United States
10:30
2026-06-07
Islip NY (ISP)United StatesLong Island Mac Arthur
$542
total fare
Non Refundable 2 Seat Left Economy
Cabin: Included
Delta Air Lines
Delta Air Lines
DL-5820
17:00
2026-06-06
WASHINGTON DC (DCA)United StatesRonald Reagan National
17H :30 M
1 Stop
BOS · 14h 07mBoston (BOS), United States
10:30
2026-06-07
Islip NY (ISP)United StatesLong Island Mac Arthur
$542
total fare
Non Refundable 8 Seat Left Economy
Cabin: Included
Delta Air Lines
Delta Air Lines
DL-5820
17:00
2026-06-06
WASHINGTON DC (DCA)United StatesRonald Reagan National
25H :35 M
1 Stop
BOS · 22h 12mBoston (BOS), United States
18:35
2026-06-07
Islip NY (ISP)United StatesLong Island Mac Arthur
$542
total fare
Non Refundable 8 Seat Left Economy
Cabin: Included
Delta Air Lines
Delta Air Lines
DL-5713
17:00
2026-06-06
WASHINGTON DC (DCA)United StatesRonald Reagan National
17H :30 M
2 Stops
JFK · 2h 51mNew York (JFK), United States
BOS · 9h 54mBoston (BOS), United States
10:30
2026-06-07
Islip NY (ISP)United StatesLong Island Mac Arthur
$548
total fare
Non Refundable 9 Seat Left Economy
Cabin: Included
Delta Air Lines
Delta Air Lines
DL-1454
18:25
2026-06-06
WASHINGTON DC (DCA)United StatesRonald Reagan National
16H :05 M
2 Stops
DTW · 1h 22mDetroit (DTW), United States
BOS · 9h 26mBoston (BOS), United States
10:30
2026-06-07
Islip NY (ISP)United StatesLong Island Mac Arthur
$548
total fare
Non Refundable 9 Seat Left Economy
Cabin: Included
Delta Air Lines
Delta Air Lines
DL-5672
14:35
2026-06-06
WASHINGTON DC (DCA)United StatesRonald Reagan National
19H :55 M
1 Stop
BOS · 16h 36mBoston (BOS), United States
10:30
2026-06-07
Islip NY (ISP)United StatesLong Island Mac Arthur
$568
total fare
Non Refundable 2 Seat Left Economy
Cabin: Included
United Airlines
United Airlines
UA-4180
17:55
2026-06-06
WASHINGTON DC (DCA)United StatesRonald Reagan National
18H :35 M
2 Stops
EWR · 1h 09mNew York (EWR), United States
BOS · 12h 43mBoston (BOS), United States
12:30
2026-06-07
Islip NY (ISP)United StatesLong Island Mac Arthur
$573
total fare
Non Refundable 2 Seat Left Economy
Cabin: Included
Delta Air Lines
Delta Air Lines
DL-5820
17:00
2026-06-06
WASHINGTON DC (DCA)United StatesRonald Reagan National
19H :30 M
1 Stop
BOS · 16h 07mBoston (BOS), United States
12:30
2026-06-07
Islip NY (ISP)United StatesLong Island Mac Arthur
$603
total fare
Non Refundable 8 Seat Left Economy
Cabin: Included
Delta Air Lines
Delta Air Lines
DL-5713
17:00
2026-06-06
WASHINGTON DC (DCA)United StatesRonald Reagan National
19H :30 M
2 Stops
JFK · 2h 51mNew York (JFK), United States
BOS · 11h 54mBoston (BOS), United States
12:30
2026-06-07
Islip NY (ISP)United StatesLong Island Mac Arthur
$608
total fare
Non Refundable 9 Seat Left Economy
Cabin: Included
Delta Air Lines
Delta Air Lines
DL-1454
18:25
2026-06-06
WASHINGTON DC (DCA)United StatesRonald Reagan National
18H :05 M
2 Stops
DTW · 1h 22mDetroit (DTW), United States
BOS · 11h 26mBoston (BOS), United States
12:30
2026-06-07
Islip NY (ISP)United StatesLong Island Mac Arthur
$608
total fare
Non Refundable 9 Seat Left Economy
Cabin: Included
Delta Air Lines
Delta Air Lines
DL-5693
12:00
2026-06-06
WASHINGTON DC (DCA)United StatesRonald Reagan National
6H :35 M
1 Stop
BOS · 3h 16mBoston (BOS), United States
18:35
2026-06-06
Islip NY (ISP)United StatesLong Island Mac Arthur
$658
total fare
Non Refundable 2 Seat Left Economy
Cabin: Included
Delta Air Lines
Delta Air Lines
DL-5742
12:00
2026-06-06
WASHINGTON DC (DCA)United StatesRonald Reagan National
8H :59 M
2 Stops
LGA · 1h 44mNew York (LGA), United States
BOS · 2h 56mBoston (BOS), United States
20:59
2026-06-06
Islip NY (ISP)United StatesLong Island Mac Arthur
$663
total fare
Non Refundable 2 Seat Left Economy
Cabin: Included
Delta Air Lines
Delta Air Lines
DL-5749
13:55
2026-06-06
WASHINGTON DC (DCA)United StatesRonald Reagan National
7H :04 M
2 Stops
LGA · 1h 10mNew York (LGA), United States
BOS · 1h 21mBoston (BOS), United States
20:59
2026-06-06
Islip NY (ISP)United StatesLong Island Mac Arthur
$663
total fare
Non Refundable 9 Seat Left Economy
Cabin: Included
Delta Air Lines
Delta Air Lines
DL-5687
09:15
2026-06-06
WASHINGTON DC (DCA)United StatesRonald Reagan National
9H :20 M
1 Stop
BOS · 6h 01mBoston (BOS), United States
18:35
2026-06-06
Islip NY (ISP)United StatesLong Island Mac Arthur
$664
total fare
Non Refundable 2 Seat Left Economy
Cabin: Included
Delta Air Lines
Delta Air Lines
DL-5693
12:00
2026-06-06
WASHINGTON DC (DCA)United StatesRonald Reagan National
8H :59 M
1 Stop
BOS · 5h 40mBoston (BOS), United States
20:59
2026-06-06
Islip NY (ISP)United StatesLong Island Mac Arthur
$664
total fare
Non Refundable 2 Seat Left Economy
Cabin: Included
United Airlines
United Airlines
UA-4184
10:00
2026-06-06
WASHINGTON DC (DCA)United StatesRonald Reagan National
8H :35 M
2 Stops
EWR · 0h 53mNew York (EWR), United States
BOS · 3h 28mBoston (BOS), United States
18:35
2026-06-06
Islip NY (ISP)United StatesLong Island Mac Arthur
$673
total fare
Non Refundable 2 Seat Left Economy
Cabin: Included
Delta Air Lines
Delta Air Lines
DL-5672
14:35
2026-06-06
WASHINGTON DC (DCA)United StatesRonald Reagan National
6H :24 M
1 Stop
BOS · 3h 05mBoston (BOS), United States
20:59
2026-06-06
Islip NY (ISP)United StatesLong Island Mac Arthur
$683
total fare
Non Refundable 2 Seat Left Economy
Cabin: Included
Delta Air Lines
Delta Air Lines
DL-5772
09:00
2026-06-06
WASHINGTON DC (DCA)United StatesRonald Reagan National
9H :35 M
2 Stops
LGA · 1h 43mNew York (LGA), United States
BOS · 3h 40mBoston (BOS), United States
18:35
2026-06-06
Islip NY (ISP)United StatesLong Island Mac Arthur
$688
total fare
Non Refundable 9 Seat Left Economy
Cabin: Included
Delta Air Lines
Delta Air Lines
DL-5750
11:00
2026-06-06
WASHINGTON DC (DCA)United StatesRonald Reagan National
7H :35 M
2 Stops
JFK · 2h 20mNew York (JFK), United States
BOS · 1h 03mBoston (BOS), United States
18:35
2026-06-06
Islip NY (ISP)United StatesLong Island Mac Arthur
$905
total fare
Non Refundable 8 Seat Left Economy
Cabin: Included
Delta Air Lines
Delta Air Lines
DL-380
12:00
2026-06-06
WASHINGTON DC (DCA)United StatesRonald Reagan National
8H :59 M
2 Stops
ATL · 1h 22mAtlanta (ATL), United States
BOS · 1h 29mBoston (BOS), United States
20:59
2026-06-06
Islip NY (ISP)United StatesLong Island Mac Arthur
$1,383
total fare
Non Refundable 9 Seat Left Economy
Cabin: Included

Recommended hotels in Islip Ny

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Fare highlights

Selected flight highlights for 06 Jun 2026.

Open full search
Lowest fare $512 United Airlines 17:55
Earliest departure $688 Delta Air Lines 09:00
Shortest duration $683 Delta Air Lines 14:35
Night 00:00-05:59 No option Open full search for more
Morning 06:00-11:59 $542 Delta Air Lines at 09:15
Afternoon 12:00-17:59 $512 United Airlines at 17:55
Evening 18:00-23:59 $548 Delta Air Lines at 18:25

Washington Dc to Islip Ny route details

Washington Dc (DCA)

Ronald Reagan National

United States

GMT -5

Latitude: 38.8521

Longitude: -77.037697

Islip Ny (ISP)

Long Island Mac Arthur

United States

GMT -5

Latitude: 40.79520035

Longitude: -73.10019684

Distance: Washington Dc (DCA), United States to Islip Ny (ISP), United States - 399.63 km
Flights shown for 06 Jun 2026. View all flights opens the complete search result.

Washington Dc to Islip Ny - what to expect when booking

The DCA to ISP cards above show selected flight options. Airline prices and seat availability can move quickly, so the final fare is rechecked in the booking flow.

Approx route distance: 399.63 km.

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More flights from Washington Dc (DCA)23 routes
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DCA → CVG
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DCA → FAY
More flights from Islip Ny (ISP)10 routes
Islip Ny → Boston
ISP → BOS
Islip Ny → Fort Lauderdale
ISP → FLL
Islip Ny → Houston
ISP → HOU
Islip Ny → Orlando
ISP → MCO
Islip Ny → Philadelphia
ISP → PHL
Islip Ny → Punta Gorda
ISP → PGD
Islip Ny → Orange County
ISP → SNA
Islip Ny → Tampa
ISP → TPA
Islip Ny → Washington Dc
ISP → DCA
Islip Ny → West Palm Beach
ISP → PBI
Frequently asked questions - Washington Dc to Islip Ny flights
Generally yes. When your travel date is fixed, comparing live fares early gives you better visibility of timings, baggage and fare rules before prices change.
The approximate route distance between Washington Dc (DCA) and Islip Ny (ISP) is 399.63 km. Actual flying distance can vary by airline routing.
Availability changes by airline schedule and date. Use the Stops filter to quickly check non-stop, one-stop and connecting options on this landing page.
Airline inventory can change within minutes. Book Now sends the selected result to the review flow where the fare is checked again before final booking.
Yes. The date strip and search box open the full search for the selected date, while this page keeps the route details easy to compare.