Find Cheap Flights to Portland

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 Islip Long Island to Portland

(Round-trip)
Depart: Fri Sep 22 2017 Return: Sun Sep 24 2017 Trip spans 3 days
American Airlines
American Airlines
ISP
12:00a
PWM
4:07a
4h 07m
1 stop
PWM
12:00a
ISP
6:23a
6h 23m
1 stop
Depart: Mon Oct 9 2017 Return: Fri Oct 13 2017 Trip spans 5 days
American Airlines
American Airlines
ISP
12:00a
PWM
3:49a
3h 49m
1 stop
PWM
12:00a
ISP
3:57a
3h 57m
1 stop
Depart: Thu Aug 24 2017 Return: Sun Aug 27 2017 Trip spans 4 days
American Airlines
American Airlines
ISP
12:00a
PWM
4:07a
4h 07m
1 stop
PWM
12:00a
ISP
6:19a
6h 19m
1 stop
Depart: Thu Sep 7 2017 Return: Sun Sep 10 2017 Trip spans 4 days
American Airlines
American Airlines
ISP
12:00a
PWM
4:07a
4h 07m
1 stop
PWM
12:00a
ISP
6:23a
6h 23m
1 stop
Depart: Wed Oct 18 2017 Return: Mon Oct 23 2017 Trip spans 6 days
American Airlines
American Airlines
ISP
12:00a
PWM
3:49a
3h 49m
1 stop
PWM
12:00a
ISP
3:57a
3h 57m
1 stop
Depart: Fri Jul 28 2017 Return: Fri Aug 4 2017 Trip spans 8 days
American Airlines
American Airlines
ISP
12:00a
PWM
4:30a
4h 30m
1 stop
PWM
12:00a
ISP
6:46a
6h 46m
1 stop
Depart: Tue Aug 8 2017 Return: Sat Aug 12 2017 Trip spans 5 days
American Airlines
American Airlines
ISP
12:00a
PWM
4:30a
4h 30m
1 stop
PWM
12:00a
ISP
11:22a
35h 22m
1 stop
Depart: Fri Aug 18 2017 Return: Sun Aug 20 2017 Trip spans 3 days
American Airlines
American Airlines
ISP
12:00a
PWM
4:30a
4h 30m
1 stop
PWM
12:00a
ISP
6:40a
6h 40m
1 stop
Depart: Sun Jul 30 2017 Return: Fri Aug 4 2017 Trip spans 6 days
American Airlines
American Airlines
ISP
12:00a
PWM
4:30a
4h 30m
1 stop
PWM
12:00a
ISP
6:46a
6h 46m
1 stop
Depart: Fri Jul 28 2017 Return: Sat Aug 5 2017 Trip spans 9 days
American Airlines
American Airlines
ISP
12:00a
PWM
4:30a
4h 30m
1 stop
PWM
12:00a
ISP
6:40a
6h 40m
1 stop
Depart: Sun Aug 13 2017 Return: Wed Aug 23 2017 Trip spans 11 days
American Airlines
American Airlines
ISP
12:00a
PWM
3:53a
3h 53m
1 stop
PWM
12:00a
ISP
4:08a
4h 08m
1 stop
Depart: Fri Jul 28 2017 Return: Mon Jul 31 2017 Trip spans 4 days
American Airlines
American Airlines
ISP
12:00a
PWM
4:30a
4h 30m
1 stop
PWM
12:00a
ISP
6:46a
6h 46m
1 stop
Depart: Tue Aug 15 2017 Return: Wed Aug 23 2017 Trip spans 9 days
American Airlines
American Airlines
ISP
12:00a
PWM
3:53a
3h 53m
1 stop
PWM
12:00a
ISP
4:08a
4h 08m
1 stop
Depart: Sat Jul 29 2017 Return: Fri Aug 4 2017 Trip spans 7 days
American Airlines
American Airlines
ISP
12:00a
PWM
6:13a
6h 13m
1 stop
PWM
12:00a
ISP
6:46a
6h 46m
1 stop
Depart: Fri Sep 1 2017 Return: Wed Sep 6 2017 Trip spans 6 days
American Airlines
American Airlines
ISP
12:00a
PWM
3:57a
3h 57m
1 stop
PWM
12:00a
ISP
4:08a
4h 08m
1 stop
Depart: Tue Aug 22 2017 Return: Sat Aug 26 2017 Trip spans 5 days
American Airlines
American Airlines
ISP
12:00a
PWM
3:57a
3h 57m
1 stop
PWM
12:00a
ISP
4:08a
4h 08m
1 stop
Depart: Wed Sep 20 2017 Return: Sun Sep 24 2017 Trip spans 5 days
American Airlines
American Airlines
ISP
12:00a
PWM
4:05a
4h 05m
1 stop
PWM
12:00a
ISP
4:08a
4h 08m
1 stop
Depart: Mon Aug 14 2017 Return: Tue Aug 22 2017 Trip spans 9 days
American Airlines
American Airlines
ISP
12:00a
PWM
3:53a
3h 53m
1 stop
PWM
12:00a
ISP
4:08a
4h 08m
1 stop
Depart: Fri Jul 28 2017 Return: Sun Jul 30 2017 Trip spans 3 days
American Airlines
American Airlines
ISP
12:00a
PWM
4:30a
4h 30m
1 stop
PWM
12:00a
ISP
4:17a
4h 17m
1 stop
Depart: Wed Aug 23 2017 Return: Mon Aug 28 2017 Trip spans 6 days
American Airlines
American Airlines
ISP
12:00a
PWM
3:57a
3h 57m
1 stop
PWM
12:00a
ISP
4:08a
4h 08m
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.

We compile tonnes of data for you
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.

If you have more questions or if you have a bad price to report to us,
please send us an email and someone from our team will get back to you promptly.

Airports
Origin

Islip
$426
Destination

Portland
$426