Find cheap flights from Portugal to Islip

1 adult
1 adult, Economy, 0 bags

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

 
These are the airlines KAYAK users have selected most often from within our search results for flights to Islip, as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results for flights to Islip, as well as popular online travel agencies
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Flight Deals

Cheap Flights from Portugal to Islip

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Portugal to Islip 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 Portugal to Islip

Multiple Airlines Logo
LIS
-
ISP
3319 mimulti-stop
Multiple Airlines Logo
ISP
-
LIS
3319 mimulti-stop
Multiple Airlines
Multiple Airlines Logo
OPO
-
ISP
3275 mimulti-stop
Multiple Airlines Logo
ISP
-
OPO
3275 mimulti-stop
Multiple Airlines
Booking Insights

KAYAK's insights & trends for flights to Islip

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

What are the most popular airlines flying to Long Island?

The most popular airline among KAYAK users flying to Long Island is TAP AIR PORTUGAL, followed by United Airlines and Delta.

TAP AIR PORTUGAL
TAP AIR PORTUGAL
#1 most popular
United Airlines
United Airlines
#2 most popular
Delta
Delta
#3 most popular
Air France
Air France
#4 most popular
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Top tips for finding cheap flights to Islip

  • Enter your preferred departure airport and travel dates into the search form above to unlock the latest Islip flight deals.

Traveling to a place near Islip?

Book flights to Islip if you plan to visit one of these locations
Riverhead
Amagansett

Everything you need to know for your flight to Islip

Information on the airport you'll fly into in Islip

Islip (ISP)