Cheap flights from Ontario to Islip from $504

Trusted by millions

Kiwi.com Guarantee for stress-free travel

One search, all the best deals

Explore flight deals to Islip

2 stops
Thu, Jul 31
Ontario ONTIslip ISP

$504
Search
2 stops
Thu, Jul 31
Ontario ONTIslip ISP

$504
Search
2 stops
Thu, Jul 31
Ontario ONTIslip ISP

$504
Search
2 stops
Fri, Aug 1
Ontario ONTIslip ISP

$505
Search
2 stops
Fri, Aug 1
Ontario ONTIslip ISP

$505
Search
2 stops
Fri, Aug 1
Ontario ONTIslip ISP

$571
Search

Prices updated:

Not happy with the results? Try some of our useful filters

2 stops
Thu, Jul 31 – Wed, Aug 6
Ontario ONTIslip ISP

$1,499
Search
2 stops
Thu, Jul 31 – Wed, Aug 6
Ontario ONTIslip ISP

$1,499
Search
2 stops
Thu, Jul 31 – Wed, Aug 6
Ontario ONTIslip ISP

$1,529
Search
2 stops
Fri, Aug 1 – Wed, Aug 6
Ontario ONTIslip ISP

$1,694
Search
2 stops
Fri, Aug 1 – Wed, Aug 6
Ontario ONTIslip ISP

$1,694
Search
2 stops
Fri, Aug 1 – Tue, Aug 5
Ontario ONTIslip ISP

$1,759
Search

Prices updated:

Not happy with the results? Try some of our useful filters

How much do flights to Islip cost?

Key info about flying to Islip

Depart from
Ontario International
Arrive to
Long Island MacArthur
Average flights per week
18
Flight distance
Worth visiting
Staten Island - Manhattan Island - Statue of Liberty - Empire State Building - Metropolitan Museum of Art - Times Square

Check-in for a flight from Ontario to Islip

NameCarrier codeIATA CodePassport needed during booking
Cape AirKAP9KYes
United AirlinesUALUANo
Alaska AirlinesASAASNo

Weather in Islip

Average Weather

MonthAverage monthly max temperatureAverage monthly min temperature
January3°C-1°C
February4°C-1°C
March7°C2°C
April12°C7°C
May17°C12°C
June22°C17°C
July26°C21°C
August26°C21°C
September22°C18°C
October17°C13°C
November11°C6°C
December7°C2°C
Hottest Month
26°C
July
Coldest month
-1°C
January
Sunny days
276
days per year
Snow days
8
days per year

14 day forecast

Friday
4 Jul
30°C19°C
11 Jul
83%
25°C21°C
Saturday
5 Jul
29°C21°C
12 Jul
29°C21°C
Sunday
6 Jul
32°C22°C
13 Jul
86%
28°C23°C
Monday
7 Jul
27°C22°C
14 Jul
29°C22°C
Tuesday
8 Jul
87%
27°C22°C
15 Jul
29°C22°C
Wednesday
9 Jul
88%
27°C21°C
16 Jul
86%
28°C23°C
Thursday
10 Jul
25°C21°C
17 Jul
27°C23°C
The most popular airlines for this route are Cape Air, United Airlines, and Alaska Airlines. Ontario and Islip have 18 direct flights per week. When you arrive at Islip, consider visiting Staten Island, Manhattan Island, Statue of Liberty, Empire State Building, Metropolitan Museum of Art, and Times Square.

Frequently asked questions

What are the most popular routes to and from Ontario?
What are the most popular routes to and from Islip?
What airports are near Ontario?
What airports are near Islip?
Which airlines fly between Ontario and Islip?
When’s the best time to travel between Ontario and Islip?
What flights operate between Ontario and Islip?
How many airports are there near Ontario?
How many airports are there near Islip?
What time do nonstop (direct) flights between Ontario and Islip depart?
What time do nonstop (direct) flights between Ontario and Islip arrive?
What time do flights between Ontario and Islip depart?
What time do flights between Ontario and Islip arrive?

The nearest countries with flights to Islip

Here is a list of countries people are flying from

Other destination countries from Ontario

Here is a list of countries people are flying to

Download our app

Start your next adventure now. Download our app and explore cheap flights effortlessly!

Find the best connection from Ontario to Islip
Search flights

We hack the system,
you fly for less