Find Deals on Flights from Islip Long Island to Portugal

Depart
Return
1 adult
Adults
18-64
Seniors
65+
Youths
12-17
Children
2-11
Seat Infants
under 2
Lap Infants
under 2
Students
under 26
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 Portugal

(Round-trip)
Depart: Wed Apr 5 2017 Return: Thu Apr 13 2017 Trip spans 9 days
$1106
Select
American Airlines
American Airlines
ISP
2:20p
LIS
12:15a
9h 55m
1 stop
LIS
8:50a
ISP
10:55p
14h 05m
1 stop
Depart: Sun Mar 26 2017 Return: Mon Apr 10 2017 Trip spans 16 days
$1120
Select
American Airlines
American Airlines
ISP
9:10a
LIS
7:00a
21h 50m
2 stops
LIS
8:50a
ISP
10:55p
14h 05m
1 stop
Depart: Sun Apr 2 2017 Return: Tue Apr 18 2017 Trip spans 17 days
$1120
Select
American Airlines
American Airlines
ISP
2:10a
LIS
2:50a
24h 40m
2 stops
LIS
8:50a
ISP
10:55p
14h 05m
1 stop
Depart: Mon Apr 3 2017 Return: Tue Apr 18 2017 Trip spans 16 days
$1120
Select
American Airlines
American Airlines
ISP
9:10a
LIS
2:50a
17h 40m
2 stops
LIS
8:50a
ISP
10:55p
14h 05m
1 stop
Depart: Tue Apr 4 2017 Return: Wed Apr 19 2017 Trip spans 16 days
$1120
Select
American Airlines
American Airlines
ISP
9:10a
LIS
2:50a
17h 40m
2 stops
LIS
8:50a
ISP
10:55p
14h 05m
1 stop
Depart: Sun Jan 8 2017 Return: Mon Jan 16 2017 Trip spans 9 days
$1124
Select
American Airlines
American Airlines
ISP
10:20a
LIS
1:55a
15h 35m
2 stops
LIS
1:55a
ISP
9:58p
20h 03m
2 stops
Depart: Mon Mar 13 2017 Return: Mon Mar 20 2017 Trip spans 8 days
$1124
Select
American Airlines
American Airlines
ISP
9:10a
LIS
3:55a
18h 45m
2 stops
LIS
4:25a
ISP
9:55p
17h 30m
2 stops
Depart: Sat Mar 25 2017 Return: Mon Apr 10 2017 Trip spans 17 days
$1124
Select
American Airlines
American Airlines
ISP
2:20p
LIS
2:50a
36h 30m
2 stops
LIS
8:50a
ISP
10:55p
14h 05m
1 stop
Depart: Mon Mar 27 2017 Return: Tue Apr 11 2017 Trip spans 16 days
$1124
Select
American Airlines
American Airlines
ISP
9:10a
LIS
7:00a
21h 50m
2 stops
LIS
8:50a
ISP
1:30p
28h 40m
1 stop
Depart: Tue Mar 28 2017 Return: Wed Apr 12 2017 Trip spans 16 days
$1124
Select
American Airlines
American Airlines
ISP
9:10a
LIS
7:00a
21h 50m
2 stops
LIS
2:55a
ISP
10:55p
20h 00m
2 stops
Depart: Sat Apr 1 2017 Return: Tue Apr 18 2017 Trip spans 18 days
$1124
Select
American Airlines
American Airlines
ISP
2:20p
LIS
7:00a
40h 40m
2 stops
LIS
8:50a
ISP
10:55p
14h 05m
1 stop
Depart: Thu Apr 6 2017 Return: Thu Apr 20 2017 Trip spans 15 days
$1156
Select
American Airlines
American Airlines
ISP
9:10a
LIS
12:15a
15h 05m
1 stop
LIS
8:50a
ISP
10:55p
14h 05m
1 stop
Depart: Wed Mar 29 2017 Return: Fri Apr 14 2017 Trip spans 17 days
$1170
Select
American Airlines
American Airlines
ISP
9:10a
LIS
2:50a
17h 40m
2 stops
LIS
8:50a
ISP
10:55p
14h 05m
1 stop
Depart: Thu Jan 19 2017 Return: Thu Jan 26 2017 Trip spans 8 days
$1172
Select
American Airlines
American Airlines
ISP
8:15a
OPO
1:45a
17h 30m
2 stops
OPO
3:05a
ISP
9:58p
18h 53m
2 stops
Depart: Fri Jan 20 2017 Return: Mon Jan 30 2017 Trip spans 11 days
$1172
Select
American Airlines
American Airlines
ISP
8:15a
OPO
1:45a
17h 30m
2 stops
OPO
3:05a
ISP
9:58p
18h 53m
2 stops
Depart: Thu Jan 26 2017 Return: Thu Feb 23 2017 Trip spans 29 days
$1172
Select
American Airlines
American Airlines
ISP
8:15a
OPO
1:45a
17h 30m
2 stops
OPO
3:05a
ISP
9:48p
18h 43m
2 stops
Depart: Thu Mar 9 2017 Return: Mon Mar 20 2017 Trip spans 11 days
$1174
Select
American Airlines
American Airlines
ISP
8:10a
LIS
1:55a
17h 45m
2 stops
LIS
4:25a
ISP
9:55p
17h 30m
2 stops
Depart: Fri Mar 10 2017 Return: Mon Mar 20 2017 Trip spans 10 days
$1174
Select
American Airlines
American Airlines
ISP
8:10a
LIS
1:55a
17h 45m
2 stops
LIS
4:25a
ISP
9:55p
17h 30m
2 stops
Depart: Fri Mar 24 2017 Return: Mon Apr 10 2017 Trip spans 18 days
$1174
Select
American Airlines
American Airlines
ISP
2:20p
LIS
2:50a
36h 30m
2 stops
LIS
8:50a
ISP
10:55p
14h 05m
1 stop
Depart: Fri Mar 31 2017 Return: Tue Apr 18 2017 Trip spans 19 days
$1174
Select
American Airlines
American Airlines
ISP
2:20p
LIS
2:50a
36h 30m
2 stops
LIS
8:50a
ISP
10:55p
14h 05m
1 stop
* Prices are per person and are for e–tickets and include all taxes & fees in USD.

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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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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

Islip
$1106
Destination

Porto
$1172
Lisbon
$1106