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Uncover the best deals on Portland to Islip flights by comparing fares from hundreds of airlines and agencies.
Good to Know: Cheapest and Fastest PWM - ISP Flights
Useful information for finding best airline tickets from Portland International Jetport to Long Island Mac Arthur on your next trip.
Cheapest Round Trip Flight
$321
Breeze Airways
• 2 stops
• 37h 12m
Aug 29 – Aug 31
The cheapest round trip flight from Portland to Islip (PWM-ISP-PWM) is currently $321
Fastest Flight
10h 25m
The fastest nonstop flight from Portland to Islip (PWM-ISP) takes 10h 25m
Top Airlines Flying from Portland to Islip
Latest Flight Deals from Portland (PWM) to Islip (ISP)
Compare and book low fare round-trip air tickets from Portland to Islip. Ideal for travelers with confirmed return itineraries.
Aug 29 - Aug 31, Economy
Portland → Islip
37h 12m
6:38 PM - 5:10 PM • 2 stops
Portland → Islip
53h 39m
1:00 PM - 9:19 PM • 3 stops
Breeze Airways
Aug 29 - Aug 31, Economy
Portland → Islip
11h 45m
7:25 AM - 2:30 PM • 1 stop
Portland → Islip
15h 10m
1:15 PM - 10:25 PM • 2 stops
Southwest Airlines
Aug 28 - Aug 30, Economy
Portland → Islip
10h 25m
3:40 PM - 10:05 PM • 1 stop
Portland → Islip
18h 30m
10:20 AM - 9:30 PM • 2 stops
Southwest Airlines
Aug 29 - Aug 31, Economy
Portland → Islip
45h 20m
7:25 AM - 10:45 AM • 2 stops
Portland → Islip
14h 10m
6:10 AM - 3:00 PM • 1 stop
Southwest Airlines
Aug 29 - Aug 31, Economy
Portland → Islip
45h 20m
7:25 AM - 10:45 AM • 2 stops
Portland → Islip
25h 40m
6:45 AM - 10:25 PM • 3 stops
Southwest Airlines
Flying to Islip soon? We've surfaced some of the most affordable last-minute flights from Portland to Islip, ideal for urgent plans or spontaneous trips.
Aug 29 - Aug 31, Economy
Portland → Islip
37h 12m
6:38 PM - 5:10 PM • 2 stops
Portland → Islip
53h 39m
1:00 PM - 9:19 PM • 3 stops
Breeze Airways
Aug 29 - Aug 31, Economy
Portland → Islip
11h 45m
7:25 AM - 2:30 PM • 1 stop
Portland → Islip
15h 10m
1:15 PM - 10:25 PM • 2 stops
Southwest Airlines
Aug 28 - Aug 30, Economy
Portland → Islip
10h 25m
3:40 PM - 10:05 PM • 1 stop
Portland → Islip
18h 30m
10:20 AM - 9:30 PM • 2 stops
Southwest Airlines
Aug 29 - Aug 31, Economy
Portland → Islip
45h 20m
7:25 AM - 10:45 AM • 2 stops
Portland → Islip
14h 10m
6:10 AM - 3:00 PM • 1 stop
Southwest Airlines
Aug 29 - Aug 31, Economy
Portland → Islip
45h 20m
7:25 AM - 10:45 AM • 2 stops
Portland → Islip
25h 40m
6:45 AM - 10:25 PM • 3 stops
Southwest Airlines
FAQs on Portland to Islip Flights
What are the airports in Portland?
PWM
What’s the most popular airline flying from PWM to ISP?
The most popular airline flying from Portland to Islip are
Can I fly from PWM to ISP non-stop?
NO
Which airlines fly nonstop between Portland and Islip?
The non-stop flights between Portland and Islip are .
What’s the earliest departure time from PWM to ISP Airport?
The earliest flight leaves PWM at 7:25 am and lands in ISP - Long Island Mac Arthur
What are the airports in Islip?
ISP
Can I make changes to my Portland to Islip flight tickets or cancel them on FareLeaders.com?
No. We are an airfare comparison site. All the tickets are booked by the travel agent offering the flight deal and any changes or cancellations to be made are directly done directly by them or the airlines.
Can I cancel my flight tickets from PWM to ISP?
Read the fare rules of the Portland to Islip air tickets booked. Some airlines allow you to cancel the tickets within a stipulated time period with a cancellation fee.
Which airline alliances offer flights from Portland and Islip?
operate flights between Portland and Islip
How long does a flight from Portland to Islip take?
It takes approximately 1 hour to fly non-stop from PWM to ISP, which is 243.32 miles by air.
Which airlines provide the cheapest flights from Portland (PWM) to Islip (ISP) ?
In the past couple of days, the cheapest tickets to ISP from PWM were found on WN : USD 991
Do I need a passport to fly between PWM and ISP?
No
What’s the latest departure time from PWM to ISP ?
The last flight leaves PWM at 6:38 pm
Portland (PWM) to Islip (ISP): Airport Information
| Origin Airport | Portland International Jetport , Portland, US |
| Destination Airport | Long Island Mac Arthur , Islip, US |
| Distance | 243 miles |
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