Islip to Shannon (ISP–SNN) — Airlines, Schedules & Connections

ISP Airport Page →
3,039 mi airlines charter/private 1/wk
On-time Some delays Frequent delays
Connecting Flight Schedule 1 1-stop flight Verified 3w ago
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 1 hub
BOS Boston 9h 15m 9K B6EI Boston (BOS) to Shannon flights
1-STOP More options, longer trips
2-STOP Loading... Reach the hardest destinations
Islip to Shannon
Connecting service available through multiple hubs.
1 Airlines 3,039 mi 4h 32m nonstop +5h ahead

ISP–SNN had nonstop service, last on the schedule in July 2026. There's no nonstop on it right now, so today you'd fly it with one stop. The connecting options below are sorted by layover. Nonstop, it's about 3,039 miles in 4h 32m.

Airline Landscape

Carriers that operated nonstop ISP–SNN service, compared side by side.
Airline Freq/wk Aircraft Duration Dep OTP Alliance Codeshares
TWY TWY 1 100%
Alliance coverage
Unaffiliated: TWY (1 flights/wk, 100%)
OTP based on airport-level delay snapshots. Duration ranges reflect seasonal/directional variation.

Connection Landscape

1-stop and 2-stop options for ISP to SNN.
1-STOP
One-Stop Connections
1
Hubs
~9h
Fastest
~9h
Longest
Verified with published schedule alignment and minimum connection time.
2-STOP
Two-Stop Connections
72
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
ISP → SNN
100%
Generally reliable. Most flights run on time.
Departing
100%
Return
SNN → ISP
100%
Generally reliable. Most flights run on time.
Arriving
100%
OTP = percentage of flights arriving within 15 min of schedule. Based on airport-level delay snapshots. ISP delays →

Other ways to reach Shannon from Islip

Nearby airports with service to Shannon Airport.
Metric ISP→SNN HPN→SNN JFK→SNN
Distance from ISP 37 mi 37 mi
Nonstop airlines 1 4
Weekly flights 21
Flight time 4h 32m 3h 29m 6h 4m
Departure OTP 100%
Airports within 200 miles of ISP with service to Shannon Airport.

Travel Essentials

Practical planning for this route.
Time Difference
+5h
Shannon is 5 hours ahead of Islip.
ISP: EDT · SNN: IST

When it's 6:00 PM in Islip, it's 11:00 PM in Shannon.
Distance & Flight Time
3,039 mi / 4,890 km
Nonstop flight time is approximately 4h 32m gate to gate.
Visa & Entry

US passport holders enter Ireland visa-free for up to 90 days. No advance application is needed. Ireland is an EU member but not in the Schengen area, so time spent in Ireland does not count against any Schengen 90-day limit. Passport must be valid for the duration of the stay (Ireland has no minimum validity requirement beyond the trip dates). At Dublin Airport (DUB), Shannon (SNN), or Cork (ORK), immigration stamps your passport and may ask about your accommodation and return plans.

Ireland is part of the Common Travel Area (CTA) with the United Kingdom, Jersey, Guernsey, and the Isle of Man. There are no routine immigration checks on travel between Ireland and the UK, but you still need valid identification. Northern Ireland (part of the UK) is freely accessible from the Republic with no border controls. The Wild Atlantic Way (2,500km coastal driving route) and the Ring of Kerry are among Europe's best road trips.

Direct flights from New York JFK to Dublin run about 6 hours 30 minutes on Aer Lingus, Delta, and United. Boston (BOS) to Dublin runs about 5 hours 30 minutes. Direct service also operates from Chicago, Newark, Philadelphia, Los Angeles, San Francisco, and Washington Dulles. Ireland uses the euro, trading at roughly $1.08 per EUR 1. The Leap Card works on Dublin Bus, Luas tram, and DART commuter rail at EUR 1.70 to EUR 3.30 per trip. The Airlink Express bus 747 runs from Dublin Airport to the city center in 30 minutes for EUR 8 ($8.65). Pub culture is part of daily life: a pint costs EUR 5.50 to EUR 7.50 ($5.95 to $8.10) depending on location.

ISP–SNN Quick Facts

Key statistics for the Islip to Shannon route.
Route details
Distance3,039 mi / 4,890 km
Flight time4h 32m
Time difference+5 hours
Airlines (nonstop)1
1-stop connectionsAvailable
Origin: ISP
IATA / ICAOISP / KISP
TimezoneAmerica/New_York
Passengers/yr1.4M
Elevation99 ft / 30 m
Destination: SNN
IATA / ICAOSNN / EINN
TimezoneEurope/Dublin
Passengers/yr2.1M
Elevation46 ft / 14 m

Frequently Asked Questions

Common questions about ISP to SNN flights.
Nonstop flights from Long Island MacArthur Airport to Shannon Airport take about 4h 32m gate to gate. The route covers 3,039 miles.
1 airline operated the nonstop from ISP to SNN. The last scheduled nonstop was in July 2026. There's no nonstop right now, so today you'd fly it with one stop. See the connection options above, ranked by layover.
Not right now. The last scheduled nonstop was in July 2026. You can still fly it with one stop, and the connecting options above are sorted by layover. Nonstop, the hop took about 4h 32m.
Yes, 1-stop connections are available, ranked by layover time. Common connecting points include Boston Logan.
Shannon is 5 hours ahead of Islip.
Nearby alternatives include HPN, JFK and TEB. 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 ISP to SNN

Long Island MacArthur Airport (ISP) and Shannon Airport (SNN) had nonstop service, last on the schedule in July 2026. The nonstop is dormant right now, so the way to fly it today is one connection, and the options above are sorted by layover.

ISP to SNN Flight Duration and Schedule

Nonstop flight time from ISP to SNN is about 4 hours 32 minutes gate to gate. The route covers a distance of 3,039 miles (4,890 km).

Connecting Options and Alternatives

1-stop connecting options are also available, commonly via Boston Logan. Two-stop connections are also available via intermediate hubs. Nearby alternative airports include White Plains (HPN), New York (JFK) and Teterboro (TEB).