$51 Find deals on international flights to Islip - Compare and Save

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight to Islip departing on 10/15. 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

Save 20% or more on flights. Compare deals from all over the web.

Never overpay with our price tracking tools.

Filter searches by price, airline and more to find your best flights.

Flight Deals
Booking Insights
Flight Deals

Book Cheap International Flights Deals to Islip

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

Thu, Sep 24 - Mon, Sep 28
JetBlue Logo
3:15 pm - 11:22 pm
CUN
-
ISP
7h 07m
1 stop
JetBlue Logo
7:00 am - 11:58 am
ISP
-
CUN
5h 58m
1 stop
$438JetBlue
Thu, Sep 24 - Mon, Sep 28
JetBlue Logo
3:15 pm - 11:22 pm
CUN
-
ISP
7h 07m
1 stop
JetBlue Logo
7:00 am - 11:58 am
ISP
-
CUN
5h 58m
1 stop
$439JetBlue
Tue, Oct 13 - Sat, Oct 17
JetBlue Logo
1:32 pm - 9:35 pm
SDQ
-
ISP
8h 03m
1 stop
JetBlue Logo
6:00 am - 3:16 pm
ISP
-
SDQ
9h 16m
1 stop
$477JetBlue
Fri, Oct 2 - Tue, Oct 6
JetBlue Logo
3:59 pm - 11:22 pm
SDQ
-
ISP
7h 23m
1 stop
JetBlue Logo
7:00 am - 1:19 pm
ISP
-
SDQ
6h 19m
1 stop
$479JetBlue
Thu, Aug 27 - Sat, Aug 29
Frontier Logo
7:03 am - 9:53 am
GDL
-
ISP
24h 50m
2 stops
Frontier Logo
10:57 am - 3:16 am
ISP
-
GDL
18h 19m
2 stops
$544Frontier
Tue, Aug 25 - Sat, Aug 29
Frontier Logo
8:29 am - 9:53 am
GDL
-
ISP
23h 24m
2 stops
Frontier Logo
10:57 am - 3:16 am
ISP
-
GDL
18h 19m
2 stops
$545Frontier
Wed, Sep 9 - Wed, Sep 16
Southwest Logo
1:10 pm - 9:10 pm
CUN
-
ISP
7h 00m
1 stop
Southwest Logo
6:05 am - 11:40 am
ISP
-
CUN
6h 35m
1 stop
$684Southwest
Wed, Aug 26 - Fri, Aug 28
Multiple Airlines Logo
7:07 am - 9:53 am
SJO
-
ISP
24h 46m
1 stop
Multiple Airlines Logo
7:09 pm - 3:11 pm
ISP
-
SJO
22h 02m
1 stop
$750Multiple Airlines
Wed, Aug 26 - Fri, Aug 28
Southwest Logo
9:00 am - 9:05 pm
SJO
-
ISP
10h 05m
2 stops
Southwest Logo
6:10 am - 6:40 pm
ISP
-
SJO
14h 30m
2 stops
$805Southwest
Wed, Sep 9 - Wed, Sep 16
Multiple Airlines Logo
11:20 am - 8:15 pm
ZRH
-
ISP
14h 55m
2 stops
Multiple Airlines Logo
10:05 am - 6:20 am
ISP
-
ZRH
14h 15m
1 stop
$1,463Multiple 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 Islip?

The most popular airline among KAYAK users flying to Islip is JetBlue, followed by United Airlines and Delta.

JetBlue
JetBlue
#1 most popular
United Airlines
United Airlines
#2 most popular
Delta
Delta
#3 most popular
Alaska Airlines
Alaska Airlines
#4 most popular
Find deals

Good to know

Low season

April

Cheapest flight

$51
Best time to beat the crowds with an average 64% drop in price.
Most popular time to fly with an average 8% increase in price.
Flight from Raleigh to Islip

FAQs for booking Worldwide to Islip flights

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

    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 Worldwide to Islip.

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

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Islip from Worldwide 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 Worldwide to Islip?

    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 to Islip with an airline and back to Worldwide with another airline.

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

    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 to Islip from Worldwide 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 to Islip

Information on the airport you'll fly into in Islip

Islip (ISP)