Best Flights starting from $337
from$337economy
Phoenix (PHX)
Tue, Sep 29
Roundtrip
Islip (ISP)
Mon, Oct 5
from$337economy
Phoenix (PHX)
Wed, Sep 30
Roundtrip
Islip (ISP)
Tue, Oct 6
from$402economy
Phoenix (PHX)
Mon, Sep 28
Roundtrip
Islip (ISP)
Sun, Oct 4
Fields updated — click View Prices to search ↑
Other Destinations
Phoenix (PHX) to Las Vegas (Any) in September from $46
From $46
Phoenix (PHX) to Cleveland (CLE) in September from $52
From $52
Phoenix (PHX) to Portland (PDX) in September from $78
From $78
Phoenix (PHX) to Denver (DEN) in September from $122
From $122
Phoenix (PHX) to Cancun (CUN) in September from $156
From $156
Phoenix (PHX) to Las Vegas (LAS) in September from $164
From $164
Flights from Other Cities
Fort Myers (RSW) to Islip (ISP) in September from $69
From $69
Orlando (MCO) to Islip (ISP) in September from $98
From $98
Orlando (Any) to Islip (ISP) in September from $98
From $98
Fort Myers (RSW) to Islip (ISP) in September from $118
From $118
Norfolk (ORF) to Islip (ISP) in September from $123
From $123
Vero Beach (VRB) to Islip (ISP) in September from $158
From $158
✈️ Flight Guide: Phoenix (PHX) → Islip (ISP)
Complete travel information for your September journey
Planning a September trip from Phoenix Sky Harbor International Airport (PHX) to Long Island MacArthur Airport (ISP)? September is a great shoulder-season window: Phoenix cooling from peak summer, and Long Island still enjoying mild coastal weather. Expect mostly one-stop routings via American Airlines (PHL, CLT) or JetBlue/American via NYC-area hubs. For better prices, travel midweek and book 3–8 weeks in advance; watch for Labor Day peaks. Tip: use flexible date searches for best fares and schedule early morning departures to minimize storm-related delays. Book now for competitive September airfares from PHX to ISP.
Departing from Phoenix (PHX) FAQs
In September, the best options to reach Phoenix Sky Harbor International Airport (PHX) are rideshare (Uber/Lyft), Valley Metro light rail plus the PHX Sky Train, or airport shuttles. Traffic can be lighter than summer peak but still busy around morning and evening commutes; aim to arrive 90–120 minutes before a domestic flight during holiday weekends. For lower stress, use the Sky Train from 44th Street/Washington or pre-book an airport shuttle.
Direct nonstop flights between Phoenix Sky Harbor International Airport (PHX) and Long Island MacArthur Airport (ISP) are uncommon; most itineraries in September require one connection via hubs such as Philadelphia (PHL), Charlotte (CLT), or New York-area airports. If you prefer fewer stops, search for one-stop itineraries with short layovers and filter by total travel time when booking.
September in Phoenix can still be warm with occasional monsoon thunderstorms that occasionally cause brief delays. Airlines and the airport proactively manage operations, but allow extra connection time during monsoon season and check real-time alerts on the day of travel. Monitoring carrier notifications and arriving early reduces the risk of missed connections.
Phoenix Sky Harbor International Airport (PHX) offers short-term, economy, and hourly parking garages with off-site and on-site long-term options. In September, demand is typically lower than peak winter/spring months, but holiday weekends like Labor Day can increase occupancy; reserve parking online for the best rate and convenience. Use the PHX airport parking map to select the garage closest to your terminal and look for daily shuttle services for economy lots.
September is shoulder season; you can often find lower fares than mid-summer, especially after Labor Day. Book 3–8 weeks ahead and compare weekday departures (Tuesday–Thursday) for the best deals. Sign up for fare alerts and use flexible date search tools to capture dips in price.
Phoenix Sky Harbor International Airport (PHX) offers several airline lounges, business services, restaurants, and seasonal outdoor shaded areas. Lounges and concession hours may adjust in September with changing demand; check individual lounge access rules and hours before traveling. Many eateries and duty-free shops remain open year-round, and mobile ordering is available to save time.
Arriving at Long Island MacArthur Airport (ISP) in September offers quick access to New York City, the Hamptons, and Long Island shorelines while avoiding the busiest summer crowds. Travelers from Phoenix Sky Harbor International Airport (PHX) typically connect through northeastern hubs and should plan ground transport to Ronkonkoma LIRR for efficient transit to Manhattan, or book shuttle/car service for the Hamptons. Late-summer events and mild weather make September ideal for combining city and coastal itineraries. Tip: pre-book LIRR tickets and car rentals to secure the best rates and faster pickup at ISP.
Arriving at Islip (ISP) FAQs
The fastest route to Manhattan from Long Island MacArthur Airport (ISP) typically involves a combination of taxi or rideshare to the nearest Long Island Rail Road (LIRR) station (Ronkonkoma) and an express LIRR train to Penn Station, with total travel time around 75–120 minutes depending on connections. During September, trains and roads may be busy on weekends—especially around events like New York Fashion Week—so allow extra time. For door-to-door convenience, consider pre-booking a car service.
Yes, Long Island MacArthur Airport (ISP) hosts several rental car companies at or near the terminal; in September demand remains high for weekend travelers heading to the Hamptons. Book rentals in advance for the best rates and to secure the vehicle type you need, especially SUVs for group travel. Many rental desks open early and provide reservation pickup instructions on the ISP website.
September on Long Island is typically mild and pleasant, with average highs in the upper 60s to mid 70s°F and lower humidity, making it ideal for beachside activities and late-summer events. Occasional remnants of tropical systems can bring rain, so pack a light rain jacket and check the forecast before departure. Moderate conditions generally mean minimal weather delays for inbound flights from Phoenix Sky Harbor International Airport (PHX).
Yes, in September you'll find private shuttle services and some scheduled seasonal buses connecting Long Island MacArthur Airport (ISP) to popular Hamptons destinations like East Hampton and Southampton, especially over holiday weekends. Availability increases on weekends and around events, so pre-booking is recommended to guarantee a seat. Check local shuttle operators and ISP ground transportation pages for current schedules.
No. Flights originating in the continental United States, including Phoenix Sky Harbor International Airport (PHX), land domestically at Long Island MacArthur Airport (ISP) so you do not pass through customs or immigration. You will proceed to baggage claim and ground transportation; always check airline notifications for baggage carousel and claim instructions.
If your flight is delayed in September, first confirm the airline’s rebooking and delay policy via the carrier app or customer service. For longer disruptions, request meal vouchers, alternate routing, or nearby hotel accommodations if overnight stays become necessary; also check for travel insurance or credit card protections that cover delays. Keep receipts and document communications for potential reimbursement.
1.0.2607.04
September Events & Festivals — Phoenix (PHX) and Long Island (ISP)
September hosts several events that impact PHX→ISP travel. In Phoenix, the Arizona State Fair typically draws regional visitors and can increase airport traffic; plan early if traveling during fair weekends. In the New York area and on Long Island, early September sees events like New York Fashion Week and Labor Day holiday travel, while the Hamptons remain popular through mid-September with social and cultural events. These occasions can push up fares and ground-transport demand, so book flights and shuttles in advance. CTA: Check event dates and secure your PHX→ISP flight and ground transfers early for September.
Best Time to Fly PHX to ISP — September Recommendations
September is often an ideal month to fly from Phoenix Sky Harbor International Airport (PHX) to Long Island MacArthur Airport (ISP) because it falls in the shoulder season: lower fares than summer and pleasant weather on Long Island. For best prices, search 3–8 weeks before travel and favor Tuesday–Thursday departures. Early morning flights minimize weather-related delays and provide smoother connections through busy northeastern hubs. CTA: Compare flexible-date fares now and book early-September travel to benefit from shoulder-season pricing.
Direct vs. Connecting Flights PHX → ISP — Pros & Cons for September
Because nonstop service between Phoenix Sky Harbor International Airport (PHX) and Long Island MacArthur Airport (ISP) is rare, most travelers will choose a one-stop routing. Pros of connecting flights include lower fares and more schedule options; cons are longer total travel time and risk of missed connections. If time is critical, select itineraries with single short layovers (60–90 minutes) in reliable hubs like Philadelphia (PHL). For cost-sensitive travelers, allow a slightly longer layover to reduce the risk of being rerouted in case of delays. CTA: Filter search results for maximum one-stop itineraries and a minimum 60-minute layover for September travel.
Airline Comparison — PHX to ISP (September): American, JetBlue, Delta, United
American Airlines often provides one-stop service to Long Island MacArthur Airport (ISP) via Philadelphia (PHL) or Charlotte (CLT) with competitive business-class connectivity; JetBlue may offer convenient connections through its New York network and sometimes better legroom in economy. Delta and United usually require connections through their hub cities and can be good alternatives when prices drop. Compare total travel time, ticket change fees, and baggage policies; loyalty benefits and elite status can offset slightly higher fares. CTA: Compare airlines for your September PHX→ISP trip and select by total transit time and checked-bag policy.
Seasonal Travel Tips for PHX to ISP in September
Packing: Bring layers for Long Island mornings and evenings in September—a light jacket and umbrella cover most conditions. Weather: Phoenix can still experience monsoon storms early in September, so allow extra buffer time for connections. Connections and layovers: Prefer morning departures from Phoenix Sky Harbor International Airport (PHX) to reduce the impact of same-day delay cascades; when booking, select itineraries with at least a 60–90 minute domestic connection in major hubs. Local transit: Reserve LIRR tickets or shuttles from Long Island MacArthur Airport (ISP) in advance for holiday weekends. CTA: Prep a September travel checklist and confirm out-of-state ground transportation before you depart PHX.
Flight Time & Typical Schedules — PHX to ISP in September
Total door-to-door travel time from Phoenix Sky Harbor International Airport (PHX) to Long Island MacArthur Airport (ISP) generally ranges from about 5.5 to 8+ hours depending on layover length. Actual airborne time typically totals 4.5–5.5 hours across one-stop itineraries; common connecting airports include Philadelphia (PHL), Charlotte (CLT), and New York-area airports (JFK, LGA). Morning departures from PHX reduce the risk of cumulative delays from West Coast origins. Check carrier timetables for September schedules and pick flights with at least a 60–90 minute domestic connection buffer.
Find Cheap Flights PHX to ISP in September — Tips & Tools
To find cheap flights from Phoenix Sky Harbor International Airport (PHX) to Long Island MacArthur Airport (ISP) in September, use a mix of flexible date search, fare alerts, and midweek travel. The recommended booking window is 3–8 weeks out for best September fares; Tuesdays and Wednesdays often show the lowest prices. Consider one-stop itineraries with short layovers through PHL or CLT, and compare budget-focused carriers and regional partners. Sign up for airline newsletters and set Google Flights or Skyscanner price alerts to capture fare drops. CTA: Set a fare alert for PHX → ISP in September and compare one-stop vs. two-stop routes.