From Islip
Cheap Flights from Islip
Browse current best options from Islip. Become a member to unlock all deals and get alerts when new deals appear.
Deals from
Islip
RatePunk searches hundreds of travel sites at once for deals on flights from Islip
Prices updated 24 days ago
486,190 searches this week
171 airlines compared
80%+ AI score for best value
Fares are subject to change and may not be available for all dates. (Data last updated May 29, 2026.)
All Deals
⌛ Last-Minute
🔥 Trending
🌎 Long-Haul
🏖 Beach
🏙️ City Break
🌄 Nature
🎢 Family
🧘 Wellness
💖 Romantic
🏛 Culture
🎉 Party
🌍 Hidden Gems
Today’s best flight deals from Islip
Explore current cheapest deals departing from Islip
One-way
Sort by: Cheapest
ISP
Orlando
United States • Sep 2026
$112
$49
One-way
ISP
Raleigh
United States • Aug 2026
$96
$49
One-way
ISP
Charleston
United States • Aug 2026
$100
$49
One-way
ISP
Myrtle Beach
United States • Sep 2026
$99
$58
One-way
ISP
Norfolk
United States • Sep 2026
$84
$59
One-way
ISP
Richmond
United States • Nov 2026
$114
$59
One-way
ISP
Concord
United States • Aug 2026
$144
$66
One-way
ISP
Fort Myers
United States • Sep 2026
$112
$69
One-way
ISP
Tampa
United States • Sep 2026
$212
$78
One-way
ISP
Fort Lauderdale
United States • Aug 2026
$116
$79
One-way
Unlock all 500+ flight deals from Islip and get alerts when great deals appear
Origin Intelligence — 370 Destinations from Islip Tracked
Insights for flights from Islip
Most popular airlines from Islip
Southwest Airlines
American Airlines
Deutsche Luft Hansa
United Airlines
JetBlue Airways
Spirit Airlines
Frontier Airlines
Alaska Airlines, Inc.
Last-minute flights going from Islip soon
Wed, Jun 17
ISP - Ponce
Islip (ISP) - Ponce (PSE)
Frontier Airlines
$640
$496
One-way
Tue, Jun 30
ISP - San Jose
Islip (ISP) - San Jose (SJC)
Southwest Airlines
$632
$592
One-way
Mon, Jun 29
ISP - Reno
Islip (ISP) - Reno (RNO)
Southwest Airlines
$609
$597
One-way
Sat, Jun 20
ISP - Honolulu
Islip (ISP) - Honolulu (HNL)
Southwest Airlines
$1,010
$1,139
One-way
Tue, Jun 23
ISP - Hong Kong
Islip (ISP) - Hong Kong (HKG)
JetBlue Airways, Cathay Pacific
$1,498
$2,266
One-way
Tue, Jun 30
ISP - Portland
Islip (ISP) - Portland (PDX)
Southwest Airlines
$528
$573
One-way
Most popular destinations to fly from Islip
Aruba
Aruba • Dec 2026
from
$377
San Francisco
United States • Sep 2026
from
$363
Las Vegas
United States • Sep 2026
from
$240
Seattle
United States • Sep 2026
from
$374
San Diego
United States • Aug 2026
from
$356
Orlando
United States • Oct 2026
from
$62
Biggest price drops on international destinations from Islip
ISP - Guayaquil
$755 → $502
ISP - Long Beach
$629 → $444
ISP - Burbank
$563 → $425
ISP - Fresno
$583 → $477
Popular Airports from Islip
Islip airport insights
🎯 Booking tip
Watch fares to Orlando
Flights from Long Island to Orlando are as low as $49 direct.
📅 Cheapest travel period
Feb - Mar
Flights from ISP tend to be cheaper in February and March.
⏱️ Best time to book
8+ months in advance
Booking 8+ months ahead can save you money, as prices tend to rise closer to departure.
✈️ Airlines to watch
Southwest Airlines, JetBlue Airways
Low-cost and full-service carriers offer a mix of domestic and international flights from Islip.
💸 Cheapest deals found
From ~$49 direct / ~$62 roundtrip
Cheapest deals from ISP are on routes to Orlando, Charleston, and Raleigh in the United States.
🗓️ Best days to catch a deal
Mon
Monday is the best day to find flight deals from ISP, with a median fare of $279.
Islip main airports to depart from
Long Island MacArthur (ISP)
Long Island MacArthur Airport is ideal for travelers seeking convenient access to Long Island destinations.
📍 ~10 km from Islip (reachable by car)
💸 Flights from ~$62
Airports nearby Islip used as alternative
John F. Kennedy International (JFK)
John F. Kennedy International offers extensive global and domestic flight options as a major international hub.
📍 ~65 km from Islip (reachable by car or train)
💸 Flights from ~$107
LaGuardia (LGA)
LaGuardia is a primary domestic hub for the New York metropolitan area with recently modernized terminals.
📍 ~60 km from Islip (reachable by car)
💸 Flights from ~$95
Westchester County (HPN)
Westchester County provides a smaller, less stressful terminal experience with easier security and parking.
📍 ~75 km from Islip (reachable by car)
💸 Flights from ~$77
Newark Liberty International (EWR)
Newark Liberty International is a major global hub offering significant international connectivity and alternative routes.
📍 ~100 km from Islip (reachable by car)
💸 Flights from ~$72
Tweed New Haven (HVN)
Tweed New Haven is geographically close across the Long Island Sound, accessible via ferry.
📍 ~70 km from Islip (reachable by car)
💸 Flights from ~$78
Business & First Class Flight Deals from Islip
Discover luxury on the budget with premium cabin class on flights from Islip.
Elite
Best Elite deals from Islip
Exclusive daily First Class, Business Class, and Premium Economy flight deals, refreshed every 24 hours.
From ISP
Elite
Las Vegas
United States • Sep 2026
93% AI deal score
$1,945
$573
Save $1,372
Frontier
Business Class
From ISP
Elite
Orlando
United States • Sep 2026
87% AI deal score
$1,305
$326
Save $979
Frontier
Business Class
From ISP
Elite
Denver
United States • Aug 2026
86% AI deal score
$1,440
$553
Save $887
Frontier
Business Class
From ISP
Elite
Dallas
United States • Sep 2026
86% AI deal score
$1,511
$500
Save $1,011
Frontier
Business Class
From ISP
Elite
San Juan
United States • Aug 2026
86% AI deal score
$4,458
$2,148
Save $2,310
Cape Air, +1
Business Class
From ISP
Elite
New Orleans
United States • Oct 2026
80% AI deal score
$1,293
$598
Save $695
Frontier
Business Class
From ISP
Elite
Nashville
United States • Sep 2026
77% AI deal score
$1,069
$482
Save $587
Frontier
Business Class
From ISP
Elite
Atlanta
United States • Sep 2026
76% AI deal score
$999
$506
Save $493
Frontier
Business Class
From ISP
Elite
Chicago
United States • Sep 2026
74% AI deal score
$924
$506
Save $418
Frontier
Business Class