Find Cheap Flights from Portland to Islip Long Island (PDX - ISP)

Depart
Return
1 adult
Adults
18-64
Seniors
65+
Youths
12-17
Children
2-11
Seat Infants
under 2
Lap Infants
under 2
The price shown for each flight will be the average for all passengers including any infants.
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Book cheap flights from Portland to Islip Long Island

(Round-trip)
Depart: Tue Jan 16 2018 Return: Mon Jan 22 2018 Trip spans 7 days
American Airlines
American Airlines
PDX
12:00a
ISP
2:04p
14h 04m
2 stops
ISP
12:00a
PDX
12:28p
12h 28m
2 stops
Depart: Thu May 17 2018 Return: Wed May 23 2018 Trip spans 7 days
Southwest
Southwest
PDX
12:00a
ISP
1:40p
13h 40m
1 stop
ISP
12:00a
PDX
12:50p
12h 50m
1 stop
Depart: Sat Jan 27 2018 Return: Sat Feb 3 2018 Trip spans 8 days
American Airlines
American Airlines
PDX
12:00a
ISP
11:04a
11h 04m
2 stops
ISP
12:00a
PDX
12:28p
12h 28m
2 stops
Depart: Thu Feb 1 2018 Return: Thu Feb 8 2018 Trip spans 8 days
American Airlines
American Airlines
PDX
12:00a
ISP
2:04p
14h 04m
2 stops
ISP
12:00a
PDX
11:05a
11h 05m
2 stops
Depart: Sat Feb 3 2018 Return: Sat Feb 10 2018 Trip spans 8 days
American Airlines
American Airlines
PDX
12:00a
ISP
11:29a
11h 29m
2 stops
ISP
12:00a
PDX
1:24p
13h 24m
2 stops
Depart: Thu Mar 1 2018 Return: Thu Mar 8 2018 Trip spans 8 days
American Airlines
American Airlines
PDX
12:00a
ISP
2:02p
14h 02m
2 stops
ISP
12:00a
PDX
11:45a
11h 45m
2 stops
Depart: Sun Dec 10 2017 Return: Tue Dec 19 2017 Trip spans 10 days
Southwest
Southwest
PDX
12:00a
ISP
9:50a
9h 50m
1 stop
ISP
12:00a
PDX
10:15a
10h 15m
1 stop
* Prices are per person and are for e–tickets and include all taxes & fees in USD.

We attempt to get accurate prices, however, prices are not guaranteed.

Here's why:

We’re not the seller.
At KAYAK we don’t set the prices, so it’s not possible for us to guarantee what other companies are selling.

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Our service lets you quickly and easily compare results from hundreds of travel sites at once. In this sense, KAYAK is a search engine and we can't guarantee prices we find.

Why aren’t prices accurate 100% of the time?
Prices on airline seats, hotel rooms and car rentals can change frequently. Several people may also be trying to buy the same travel option simultaneously. As a result, you may find, on occasion, that certain prices are no longer available.

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Airports
Origin

Portland
$346
Destination

Islip
$346