Cheap flights from San Jose, CA to Islip, NY

Choose between Frontier Airlines, Spirit Airlines, or Alaska Airlines to find the best price

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The most popular airlines for this route are Frontier Airlines, Spirit Airlines, Alaska Airlines, JetBlue Airways, and BREEZE. San Jose and Islip have 222 direct flights per week. When you arrive at Islip, consider visiting Manhattan Island, Statue of Liberty, Staten Island, Times Square, Empire State Building, and Metropolitan Museum of Art.

Check-in for a flight from San Jose to Islip

NameCarrier codeIATA CodePassport needed during booking
Frontier AirlinesFFTF9No
Spirit AirlinesNKSNKNo
Alaska AirlinesASAASNo
JetBlue AirwaysJBUB6No
BREEZE MXNo

Weather in Islip

Average Weather

MonthAverage monthly max temperatureAverage monthly min temperature
January3°C-1°C
February4°C0°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
275
days per year
Snow days
8
days per year

14 day forecast

Tuesday
29 Oct
88%
17°C12°C
5 Nov
19°C13°C
Wednesday
30 Oct
88%
21°C14°C
6 Nov
23°C16°C
Thursday
31 Oct
23°C14°C
7 Nov
15°C13°C
Friday
1 Nov
79%
18°C13°C
8 Nov
77%
17°C15°C
Saturday
2 Nov
13°C11°C
9 Nov
15°C11°C
Sunday
3 Nov
13°C9°C
10 Nov
17°C11°C
Monday
4 Nov
16°C11°C
11 Nov
14°C9°C

Frequently asked questions

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What are the most popular routes to and from Islip?
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Which airlines fly between San Jose and Islip?
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What flights operate between San Jose and Islip?
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How many airports are there near Islip?
What time do nonstop (direct) flights between San Jose and Islip depart?
What time do nonstop (direct) flights between San Jose and Islip arrive?
What time do flights between San Jose and Islip depart?
What time do flights between San Jose and Islip arrive?

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