$1,552 Find Cheap Flights from Islip to Portugal

This is the cheapest round-trip flight price found by a KAYAK user in the last 72 hours by searching for a flight from Islip to Portugal departing on 7/13. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy, 0 bags

KAYAK searches hundreds of travel sites at once for deals on flights to Portugal

Travelers love KAYAK
41,299,237 searches in the past 7 days on KAYAK

Save 21% or moreCompare multiple travel sites with one search.

Track pricesNot ready to book? Create a price alert for when prices drop.

Bundle and saveSave money when you bundle your flight + hotel.

Filter your dealsChoose cabin class, free Wi-Fi and more.

Flight Deals
Booking Insights
Flight Deals

Cheap Flights from Islip to Portugal

Cheapest round-trip prices found by our users on KAYAK in the last 72 hours
Lisbon
Lisbon2 stops$1,552
Porto
Porto2 stops$1,705
Lisbon
Lisbon2 stops$1,552
Porto
Porto2 stops$1,705

Book Cheap Islip to Portugal Plane Tickets

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Islip to Portugal that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Islip to Portugal

Mon, Jul 13 - Sun, Jul 19
Multiple Airlines Logo
7:26 am - 9:20 am
ISP
-
LIS
20h 54m
2 stops
Multiple Airlines Logo
6:15 am - 8:59 pm
LIS
-
ISP
19h 44m
2 stops
$1,552Multiple Airlines
Tue, Aug 4 - Tue, Aug 11
Multiple Airlines Logo
2:22 pm - 5:55 am
ISP
-
LIS
34h 33m
2 stops
Multiple Airlines Logo
5:40 pm - 10:56 am
LIS
-
ISP
22h 16m
1 stop
$1,628Multiple Airlines
Fri, Jul 31 - Fri, Aug 7
Multiple Airlines Logo
2:28 pm - 1:45 pm
ISP
-
LIS
18h 17m
2 stops
Multiple Airlines Logo
5:35 pm - 10:30 am
LIS
-
ISP
21h 55m
1 stop
$1,652Multiple Airlines
Tue, Jul 28 - Tue, Aug 4
Multiple Airlines Logo
2:11 pm - 10:20 am
ISP
-
LIS
15h 09m
1 stop
Multiple Airlines Logo
6:10 am - 9:53 am
LIS
-
ISP
32h 43m
2 stops
$1,689Multiple Airlines
Sat, Jul 11 - Fri, Jul 17
Multiple Airlines Logo
3:05 pm - 6:50 am
ISP
-
OPO
34h 45m
2 stops
Multiple Airlines Logo
1:30 pm - 6:35 pm
OPO
-
ISP
34h 05m
2 stops
$1,705Multiple Airlines
Sat, Jul 18 - Sun, Jul 26
Multiple Airlines Logo
10:43 am - 11:30 pm
ISP
-
LIS
31h 47m
2 stops
Multiple Airlines Logo
5:45 pm - 10:56 am
LIS
-
ISP
22h 11m
1 stop
$1,725Multiple Airlines
Fri, Jul 17 - Fri, Jul 24
Multiple Airlines Logo
5:29 pm - 10:20 am
ISP
-
LIS
11h 51m
1 stop
Multiple Airlines Logo
6:20 am - 9:53 am
LIS
-
ISP
32h 33m
2 stops
$1,786Multiple Airlines
Sat, Jul 11 - Fri, Jul 17
Multiple Airlines Logo
7:00 am - 11:25 am
ISP
-
OPO
23h 25m
3 stops
Multiple Airlines Logo
1:30 pm - 6:35 pm
OPO
-
ISP
34h 05m
2 stops
$1,825Multiple Airlines
Tue, Aug 4 - Tue, Aug 11
Multiple Airlines Logo
10:00 am - 10:20 am
ISP
-
LIS
19h 20m
1 stop
Multiple Airlines Logo
5:40 pm - 10:56 am
LIS
-
ISP
22h 16m
1 stop
$1,843Multiple Airlines
Tue, Jul 28 - Tue, Aug 4
Multiple Airlines Logo
2:11 pm - 10:20 am
ISP
-
LIS
15h 09m
1 stop
Multiple Airlines Logo
11:55 am - 8:15 pm
LIS
-
ISP
13h 20m
1 stop
$1,882Multiple Airlines
Booking Insights

KAYAK's insights & trends for Islip to Portugal flights

Get data-powered insights and trends into flights from Islip to Portugal to help you find the cheapest flights, the best time to fly and much more.

How long does a flight from Islip to Portugal take?

The duration of a flight to Portugal depends on your arrival airport. The shortest routes to Portugal from Islip are to Lisbon, which takes 20h 54m, and Porto, which takes 34h 45m.

Find deals

Good to know

Cheapest flight$1,552
Flight from Islip to Lisbon

FAQs - booking Portugal flights

  • How does KAYAK find such low prices on flights from Islip to Portugal?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Islip to Portugal.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Islip to Portugal?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight from Islip to Portugal is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Islip to Portugal?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly from Islip to Portugal with an airline and back with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Islip to Portugal?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying from Islip to Portugal up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Everything you need to know for your flight from Islip to Portugal

Information on your arrival and departure airports

Islip (ISP)