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. Visit our flight page for the latest deals!>/a>

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. Visit our flight page for the latest deals!>/a>

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. Visit our flight page for the latest deals!>/a>

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. Visit our flight page for the latest deals!>/a>

$458 CHEAP FLIGHTS from Islip to Portugal

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

...and more

Travelers love KAYAK

41.299.237 searches in the past 7 days on KAYAK

Save 23% 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

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.

Round-trip

One-way

Recent round-trip flight deals from Islip to Portugal

Tue, Feb 24 - Tue, Mar 3

9:59 am - 5:35 am

ISP

LIS

14h 36m1 stop

11:50 am - 6:44 pm

LIS

ISP

11h 54m1 stop

$1,137Multiple Airlines

Wed, Feb 25 - Wed, Mar 4

9:59 am - 5:35 am

ISP

LIS

14h 36m1 stop

7:50 pm - 12:47 pm

LIS

ISP

45h 57m2 stops

$1,155Multiple Airlines

Tue, Feb 24 - Tue, Mar 3

1:27 pm - 11:40 am

ISP

LIS

17h 13m2 stops

12:05 pm - 8:47 am

LIS

ISP

25h 42m2 stops

$1,156TAP AIR PORTUGAL

Wed, Feb 25 - Wed, Mar 4

9:39 am - 9:55 am

ISP

LIS

19h 16m2 stops

11:40 am - 8:47 am

LIS

ISP

26h 07m2 stops

$1,277TAP AIR PORTUGAL

Wed, Feb 25 - Wed, Mar 4

9:59 am - 5:35 am

ISP

LIS

14h 36m1 stop

11:40 am - 6:44 pm

LIS

ISP

12h 04m1 stop

$1,299Multiple Airlines

Tue, Feb 24 - Tue, Mar 3

9:59 am - 5:35 am

ISP

LIS

14h 36m1 stop

7:50 pm - 6:44 pm

LIS

ISP

27h 54m2 stops

$2,059Multiple Airlines

Wed, Jul 1 - Fri, Aug 7

12:35 pm - 11:00 am

ISP

LIS

17h 25m2 stops

5:45 pm - 12:56 pm

LIS

ISP

24h 11m2 stops

$2,384TAP AIR PORTUGAL

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 Porto, which takes 21h 21m, and Lisbon, which takes 42h 12m.

Find deals

Cheapest flight	$458

Flight from Islip to Lisbon

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

Airports

Cabin class

Complete your trip

Flights to other cities

Origins

Popular routes

Return flight deals

Information on your arrival and departure airports

Islip (ISP)

$458 Find Cheap Flights from Islip to Portugal

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

Book Cheap Islip to Portugal Plane Tickets

Recent round-trip flight deals from Islip to Portugal

Recent one-way flight deals from Islip to Portugal

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 Porto, which takes 21h 21m, and Lisbon, which takes 42h 12m.

Good to know

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

Cabin class types available on flights to Portugal

Complete your trip to Portugal with a hotel stay or car rental

Flights to other popular destinations

Flights from other airports in Islip to Portugal

Flights from Islip to popular cities in Portugal

Find deals for your return flight