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.
ISPDCAFri, 30 Oct
Fare checked before payment All fees shown upfront Transparent cancellation policy 24×7 booking support
Lowest fareUS$421Cape Air
Fastest4h 14mgate to gate
Options found62flights on this route
Find your flightISP → DCA
Available Flights & Fares
Compare fares, timings and baggage. Pick the flight that suits your trip.
Fare RulesNon-refundable fare. Final rules are verified before booking.
Cape Air
9K-210
07:44
2026-10-30
Islip NY (ISP)Long Island Mac Arthur
8H :36 M
2 Stops
BOS
· 2h 56m Boston (BOS), United States
LGA
· 1h 25m New York (LGA), United States
16:20
2026-10-30
WASHINGTON DC (DCA)Ronald Reagan National
Non Refundable 1 Seat Left Economy
Check-in: 0 PiecesCabin: 1 Pieces
Type
Non Refundable
Fare Type
Publish
0 Pieces 1 Pieces
$663
Flight DetailsISP to DCA - 8H :36 M
Baggage InfoCheck-in 0 Pieces - Cabin 1 Pieces
Fare RulesNon-refundable fare. Final rules are verified before booking.
Type
Non Refundable
Fare Type
Publish
0 Pieces 1 Pieces
$752
Flight DetailsISP to DCA - 8H :36 M
Baggage InfoCheck-in 0 Pieces - Cabin 1 Pieces
Fare RulesNon-refundable fare. Final rules are verified before booking.
Cape Air
9K-212
09:59
2026-10-30
Islip NY (ISP)Long Island Mac Arthur
8H :37 M
2 Stops
BOS
· 2h 41m Boston (BOS), United States
LGA
· 1h 40m New York (LGA), United States
18:36
2026-10-30
WASHINGTON DC (DCA)Ronald Reagan National
Non Refundable 2 Seat Left Economy
Check-in: 0 PiecesCabin: 1 Pieces
Type
Non Refundable
Fare Type
Publish
0 Pieces 1 Pieces
$663
Flight DetailsISP to DCA - 8H :37 M
Baggage InfoCheck-in 0 Pieces - Cabin 1 Pieces
Fare RulesNon-refundable fare. Final rules are verified before booking.
Type
Non Refundable
Fare Type
Publish
0 Pieces 1 Pieces
$752
Flight DetailsISP to DCA - 8H :37 M
Baggage InfoCheck-in 0 Pieces - Cabin 1 Pieces
Fare RulesNon-refundable fare. Final rules are verified before booking.
Cape Air
9K-214
12:30
2026-10-30
Islip NY (ISP)Long Island Mac Arthur
8H :13 M
2 Stops
BOS
· 2h 10m Boston (BOS), United States
LGA
· 1h 40m New York (LGA), United States
20:43
2026-10-30
WASHINGTON DC (DCA)Ronald Reagan National
Non Refundable 2 Seat Left Economy
Check-in: 0 PiecesCabin: 1 Pieces
Type
Non Refundable
Fare Type
Publish
0 Pieces 1 Pieces
$663
Flight DetailsISP to DCA - 8H :13 M
Baggage InfoCheck-in 0 Pieces - Cabin 1 Pieces
Fare RulesNon-refundable fare. Final rules are verified before booking.
Type
Non Refundable
Fare Type
Publish
0 Pieces 1 Pieces
$752
Flight DetailsISP to DCA - 8H :13 M
Baggage InfoCheck-in 0 Pieces - Cabin 1 Pieces
Fare RulesNon-refundable fare. Final rules are verified before booking.
No flights match the selected filters. Clear filters or open full search.
Airfare Highlights
From flights departing on Fri, 30 Oct 2026.
Lowest fare$421Cape Air07:44
Earliest departure$421Cape Air07:44
Shortest duration$421Cape Air09:59
Night
00:00-05:59
No optionOpen full search for moreMorning
06:00-11:59
$421Cape Air at 07:44Afternoon
12:00-17:59
$427Cape Air at 12:30Evening
18:00-23:59
No optionOpen full search for more
Departure & Arrival Airport Details
Islip Ny (ISP)
Long Island Mac Arthur
United States
GMT -5
Latitude: 40.79520035
Longitude: -73.10019684
Washington Dc (DCA)
Ronald Reagan National
United States
GMT -5
Latitude: 38.8521
Longitude: -77.037697
Distance: Islip Ny (ISP), United States to Washington Dc (DCA), United States - 399.63 km
Flights shown for 30 Oct 2026. View all flights opens the complete search result.
Fares and hotel rates usually run higher around these dates. Booking earlier or moving your trip by a day or two often costs less.
Busiest periods: Summer travel (15 Jun – 31 Aug), Holiday season (18 Dec – 02 Jan).
12OctColumbus DayMondayPeak
12OctColumbus DayMondayPeak
12OctIndigenous Peoples' DayMondayPeak
11NovVeterans DayWednesdayPeak
26NovThanksgiving DayThursdayPeak
25DecChristmas DayFridayPeak
Fixed-date national holidays. Festivals that follow the lunar calendar shift each year and are not listed here, so check the exact date for your travel year.
Compare your journey
How to travel Islip Ny to Washington Dc
Ways to make this trip that you can book on FlyX, compared by price and journey time.
OptionFromJourney timeAvailabilityAction
Connecting flight₹40,660Longer, includes a stop62 options
Air distance is about 400 km. FlyX does not currently sell a bus on this pair.
Road distance and coach duration are approximate estimates from the air distance, not a timetable.
Airlines flying from Islip Ny to Washington Dc
Compare fares, stops, baggage and refundability across the airlines flying this route.
CA
Cape Air Flights
from $42162 flights
Fares from
$421
Non-stop
None in these results
Departures
62 in the list above
Route Overview & Flight Facts
Fastest flight duration
4h 14m · Cape Air
First departure of the day
07:44 · Cape Air
Last departure of the day
12:30 · Cape Air
Flight options found
62
Airport codes
Islip Ny–ISP, Washington Dc–DCA
Fares and timings are indicative. The exact price is confirmed with the airline when you search.
Flight Schedule, Timings & Airfare Insights
Daily Flight Schedule & Travel Duration
The search for Fri, 30 Oct found 62 flight options. The first flight leaves around 07:44 and the last around 12:30. The fastest flight takes about 4h 14m.
Morning vs Evening Departure Fares
Lowest fare by departure window: Morning from $421, Afternoon from $427. These observations do not predict the cheapest departure window on other dates.
Cheapest Airfare & Best Time to Book
Search your travel dates to compare current fares. Prices change with airline seat availability.
One-Way vs Round-Trip Fare Comparison
Compare the complete cost and conditions of both options for your dates. A round-trip can have different fare and change rules from two one-way tickets. One booking may contain multiple airline PNRs; confirm baggage transfer and connection protection for separate tickets.
Online Web Check-In & Boarding Pass
Check the operating airline’s opening time and check-in deadline for each sector. Seat charges and availability depend on your fare. Use the airline reference and the links on Web Check-in.
How to Book Cheap Flights on FlyX
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2
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3
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4
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5
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Why Book Your Flight with FlyX?
Compare the available Islip Ny to Washington Dc options by total price, stops, baggage and fare conditions. Search your dates for current availability, then review traveller details and the final price before paying.
Payment confirmation and ticket issuance are separate steps. If your booking is awaiting a PNR or ticket, follow its status and contact FlyX support when you need help. Your issued ticket contains the airline reference and itinerary. Change and cancellation charges depend on the purchased fare and any separately disclosed service fee.
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Frequently Asked Questions
Is it worth booking Islip Ny to Washington Dc flights in advance?
There is no guaranteed cheapest booking window. Compare your planned dates early, check nearby dates and consider baggage, connection time and change conditions as well as price. On the Islip Ny to Washington Dc dates shown on this page, the lowest fare is on a Friday at $421. This can change from week to week.
How far is Islip Ny from Washington Dc by air?
The direct air distance between Islip Ny (ISP) and Washington Dc (DCA) is about 400 km. Actual flight time varies with the routing the airline files and with winds on the day.
Are there non-stop flights from ISP to DCA?
Not on the dates shown here. Every Islip Ny to Washington Dc option on this page has at least one stop. Non-stop service can differ by season and by day, so check nearby dates before you decide.
Which airlines fly Islip Ny to Washington Dc?
Cape Air is listed on this route for the dates shown here. Fares, baggage allowance and refund rules differ by airline and by fare type, so compare the fare conditions and not only the headline price.
How long is the flight from Islip Ny to Washington Dc?
Every option on this page has at least one stop, and the shortest total journey time is about 4h 14m including the layover. Non-stop service on this route can vary by season and by day.
What is the cheapest Islip Ny to Washington Dc flight fare?
The lowest Islip Ny to Washington Dc fare on this page is $421. Fares on the same dates run up to $1,020, depending on airline, timing and fare type. Airline prices change often, so search your dates for the current fare.
What time do Islip Ny to Washington Dc flights depart?
On the dates shown here, the first departure is around 07:44 and the last around 12:30, local time at Islip Ny. Use the departure-time filter on the results above to narrow to a morning, afternoon or evening slot.
Why does the price change after clicking Book Now?
Airline seat inventory and fares change continuously. Selecting Book Now runs a live fare verification with the airline so the price you approve is the price you pay. If it has moved, you see the new figure before any payment.
Before you book this route
Check the airport codes ISP–DCA, local departure and arrival dates, and every connecting airport. Connections can have different document and baggage requirements from your final destination.
Where these fares come from
The fares, durations, stops and baggage shown here come from real airline search results for this route. They are examples for the dates on this page, not a full timetable and not a locked price. Run a search to see what is available for your own dates.
Fares shown are for departures on .
Check official travel requirements
Confirm passport, visa and transit rules for your nationality and full itinerary with the relevant government and operating airline. IATA travel-document information explains why requirements vary.
Planning more than the flight? Our United States guide covers the visa process for Indian passport holders, best time to go, how long to plan for, and which places are worth the days you have. Long-haul city breaks and national parks.
The ISP to DCA 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.
Before you book
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Lowest Islip Ny to Washington Dc airfare, in 30 days and in 90 days
Cheapest Fare
Fare
Date
Airline
Departure
Lowest Airfare
$421
30/10/2026
Cape Air
07:44
Cheapest Airfare Within 30 Days
$413
07/11/2026
Cape Air
07:44
Cheapest Airfare Within 90 Days
$400
06/01/2027
Cape Air
07:44
Book Islip Ny to Washington Dc Flight Tickets on FlyX
FlyX lists each Islip Ny to Washington Dc flight in these results with its fare, departure time, stops, layover airport and baggage, so you can compare air tickets side by side. To find a cheap ticket, sort by price and check what baggage the fare includes. The fare is checked with the airline again before you pay.
Islip Ny to Washington Dc Flight Distance, Duration and Time
The aerial distance between Islip Ny and Washington Dc is about 400 KM. In these results, journey times range from 4h 14m to 15h 22m. Flights with a layover take longer because the total includes the connection time.
Islip Ny to Washington Dc Flight Schedule and Timing
The search for these dates returned 62 flight options. The first departure from Islip Ny is at 07:44 and the last is at 12:30. Flights leave from Long Island Mac Arthur and land at Ronald Reagan National.
Flight Route Details & Analysis
Flight Details
Information
Route
Islip Ny to Washington Dc
Aerial Distance
400 KM
Flight Duration
4h 14m - 15h 22m
Airport Codes
Islip Ny - ISP, Washington Dc - DCA
Total Flights Available
62 flights0 direct62 with layovers
First Flight Departure
Departs at 07:44
Last Flight Departure
Departs at 12:30
Early Morning Flights (12 AM - 8 AM)
21 flights0 direct21 with layovers
Morning Flights (8 AM - 12 PM)
19 flights0 direct19 with layovers
Afternoon Flights (12 PM - 4 PM)
22 flights0 direct22 with layovers
Evening Flights (4 PM - 8 PM)
No flights in this time slot
Night Flights (8 PM - 12 AM)
No flights in this time slot
Airport Information & Terminals
ISP: Long Island airport. Long Island airport transfer should be matched to the exact hotel, suburb or meeting area. Rail can work well for light luggage, but late arrivals, winter weather and family baggage often make a direct cab or booked transfer easier.
DCA: Washington DC airport. Washington DC airport transfer should be matched to the exact hotel, suburb or meeting area. Rail can work well for light luggage, but late arrivals, winter weather and family baggage often make a direct cab or booked transfer easier.
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Islip Ny to Washington Dc
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Long Island Mac Arthur
