Dulles to Islip (IAD–ISP) — Airlines, Schedules & Connections

IAD Airport Page →
264 mi airlines charter/private ~1/wk
On-time Some delays Frequent delays
Connecting Flight Schedule 14 1-stop flights Verified 21h ago
Charter / private route. No scheduled airline service — operated by charter & private aviation.
Nonstop Charter / private 1-Stop 2-Stop Hide separate tickets Hide overnight Hide codeshares
  Flight Airline AC Dep Arr Dur OTP Sched  
✈ Nonstop

No flights match your filters.

No scheduled airline flights on this route — it's flown by charter / private operators (). No nonstop flights on this route. connecting options below.

✦ 1-Stop connections via 10 hubs
BOS Boston 4h 36m AVAZCM 9K Boston (BOS) to Islip flights
CHS Charleston 5h 7m ACCMEJA MX Charleston (CHS) to Islip flights
RDU Raleigh/Durham 5h 12m ACAVCM MX Raleigh/Durham (RDU) to Islip flights
RIC Richmond 5h 12m ACAVCM MX Richmond (RIC) to Islip flights
MCO Orlando 5h 58m ADAVAZ B6F9WN Orlando (MCO) to Islip flights
FLL Fort Lauderdale 6h 45m CMF9SN B6 Fort Lauderdale (FLL) to Islip flights
TPA Tampa 7h 41m AVAZCM F9WN Tampa (TPA) to Islip flights
MYR Myrtle Beach 8h 20m UA F9MX Myrtle Beach (MYR) to Islip flights
RSW Fort Myers 10h 46m UA MX Fort Myers (RSW) to Islip flights
ORF Norfolk 12h 45m AVCMOS MX Norfolk (ORF) to Islip flights
1-STOP More options, longer trips
2-STOP Loading... Reach the hardest destinations
Dulles to Islip
Flown by charter / private operators — no scheduled airline service.
264 mi 0h 57m nonstop

IAD–ISP has no scheduled airline service; it is flown by charter / private operators. 1-stop connecting options are also available.

Connection Landscape

1-stop and 2-stop options for IAD to ISP.
1-STOP
One-Stop Connections
14
Hubs
~3h
Fastest
~21h
Longest
Verified with published schedule alignment and minimum connection time.
2-STOP
Two-Stop Connections
740
Candidates
Two-stop connections loaded in the connections tab above.
Connections computed from published schedules with minimum connection time verification. Use the interactive explorer above the fold to filter by airline, tier, and layover time.

On-Time Performance

What to expect at each end of your journey.
Outbound
IAD → ISP
69%
Moderate delays possible. Allow buffer time.
Departing
69%
Arriving
100%
Return
ISP → IAD
50%
Frequent delays expected. Consider flexible booking.
Departing
50%
Arriving
81%
OTP = percentage of flights arriving within 15 min of schedule. Based on airport-level delay snapshots. IAD delays → ISP delays →

Other ways to reach Islip from Dulles

Nearby airports with service to Long Island MacArthur Airport.
Metric IAD→ISP BWI→ISP RIC→ISP
Distance from IAD 45 mi 100 mi
Nonstop airlines 3 1
Weekly flights ~1 30 2
Flight time 0h 57m 1h 10m 1h 16m
Departure OTP 69%
Airports within 200 miles of IAD with service to Long Island MacArthur Airport.

Travel Essentials

Practical planning for this route.
Time Difference
0h
Islip is 0 hours the same as Dulles.
IAD: EDT · ISP: EDT

When it's 6:00 PM in Dulles, it's 6:00 PM in Islip.
Distance & Flight Time
264 mi / 425 km
Nonstop flight time is approximately 0h 57m gate to gate.
Getting to IAD

WMATA Silver Line Metro now reaches Dulles directly; take Silver Line to Washington Dulles Airport station (about 65 min from Metro Center, ~$7). The connection opened in late 2022.Ride-shares from downtown DC run $35–60 and take 35–50 minutes via I-66 (longer during peak hours). Washington Flyer coach to Wiehle-Reston East Metro costs $6. The airport is 27 miles from downtown; taxis are expensive ($60–80).

IAD–ISP Quick Facts

Key statistics for the Dulles to Islip route.
Route details
Distance264 mi / 425 km
Flight time0h 57m
Time difference0 hours
Airlines (nonstop)Charter / private
Weekly flights~1 out / ~2 return
1-stop connectionsAvailable
Origin: IAD
IATA / ICAOIAD / KIAD
TimezoneAmerica/New_York
Passengers/yr26.0M
Elevation312 ft / 95 m
Destination: ISP
IATA / ICAOISP / KISP
TimezoneAmerica/New_York
Passengers/yr1.4M
Elevation99 ft / 30 m

Frequently Asked Questions

Common questions about IAD to ISP flights.
Nonstop flights from Washington Dulles International Airport to Long Island MacArthur Airport take about 0h 57m gate to gate. The route covers 264 miles.
Yes, 1-stop connections are available, ranked by layover time. Common connecting points include Boston Logan, Charleston and Raleigh-Durham.
Yes, return flights from ISP to IAD are available. Use the direction toggle at the top to view the return schedule.
Nearby alternatives include BWI and RIC. See the Alternatives section for a full comparison.
Click the 'Search Flights' button to check availability and prices on Google Flights. You can also compare airlines and schedules on this page to find the best option.
See the On-Time Performance section for the latest delay data at both airports. This shows departure and arrival reliability to help you plan.
Route data is updated regularly from official airline schedules. On-time performance data comes from recent airport delay snapshots.

Flights from IAD to ISP

Washington Dulles International Airport (IAD) and Long Island MacArthur Airport (ISP) are connected through multiple connecting hub airports.

IAD to ISP Flight Duration and Schedule

Nonstop flight time from IAD to ISP is about 0 hours 57 minutes gate to gate. The route covers a distance of 264 miles (425 km).

Connecting Options and Alternatives

1-stop connecting options are also available, commonly via Boston Logan, Charleston and Raleigh-Durham. Two-stop connections are also available via intermediate hubs. Nearby alternative airports include Baltimore (BWI) and Richmond (RIC).