When did momondo last update prices for flights from San Jose Airport to Islip Long Island Airport?

Prices for flights from San Jose Airport to Islip Long Island Airport are updated daily.

How old do you have to be to fly from San Jose Airport to Islip Long Island Airport?

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from San Jose Airport to Islip Long Island Airport.

What documentation or ID do you need to fly to Islip Long Island Airport?

The required travel and health documents for your Islip Long Island Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Islip Long Island Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$394 Cheap Flights from San Jose to Islip in 2025/26

1 adult

0 bags

Save money when you book flights with momondo

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

Find the cheapest flights from San Jose to New York

Round-trip

One-way

Cheap round-trip flights

8:55 pm - 11:50 amSJC-ISP

11h 55m1 stop

5:30 am - 4:00 pmISP-SJC

13h 30m1 stop

$449Southwest

Find Deal

Thu, Oct 23 - Mon, Oct 27

10:00 am - 11:45 pmSJC-ISP

10h 45m2 stops

5:30 am - 4:00 pmISP-SJC

13h 30m1 stop

$503Southwest

Find Deal

Thu, Oct 23 - Mon, Oct 27

10:00 am - 11:45 pmSJC-ISP

10h 45m2 stops

12:35 pm - 9:25 pmISP-SJC

11h 50m2 stops

$583Southwest

Find Deal

Thu, Oct 23 - Mon, Oct 27

2:50 pm - 3:21 pmSJC-ISP

21h 31m2 stops

11:53 am - 11:00 pmISP-SJC

14h 07m2 stops

$1,613Multiple Airlines

Find Deal

Thu, Oct 2 - Mon, Oct 6

7:50 pm - 10:58 amSJC-ISP

12h 08m2 stops

2:19 pm - 11:00 pmISP-SJC

11h 41m2 stops

$1,676Multiple Airlines

Find Deal

Sat, Oct 4 - Sun, Oct 12

3:15 pm - 3:21 pmSJC-ISP

21h 06m2 stops

2:19 pm - 11:00 pmISP-SJC

11h 41m2 stops

$2,345Multiple Airlines

Find Deal

Wed, Oct 1 - Sun, Oct 5

Southwest flights from San Jose to Islip

Our best Southwest deals on San Jose to Islip flight tickets

Southwest

Oct 23

SJC8:55 pmSan Jose

11h 55m

1 stop

ISP11:50 amIslip Long Island

Oct 27

ISP5:30 amIslip Long Island

13h 30m

1 stop

SJC4:00 pmSan Jose

$449

Find similar

Southwest

Oct 23

SJC10:00 amSan Jose

10h 45m

2 stops

ISP11:45 pmIslip Long Island

Oct 27

ISP5:30 amIslip Long Island

13h 30m

1 stop

SJC4:00 pmSan Jose

$503

Find similar

Southwest

Oct 23

SJC10:00 amSan Jose

10h 45m

2 stops

ISP11:45 pmIslip Long Island

Oct 27

ISP12:35 pmIslip Long Island

11h 50m

2 stops

SJC9:25 pmSan Jose

$583

Find similar

Fly from

Fly to

Route

Depart

Return

Price

San JoseIslip

SJC - ISP

SJCISP

San Jose

Thu 10/23

8:55 pm-11:50 am

1 stop11h 55m

Islip Long Island

Mon 10/27

5:30 am-4:00 pm

1 stop13h 30m

$449

San JoseIslip

SJC - ISP

SJCISP

San Jose

Thu 10/23

10:00 am-11:45 pm

2 stops10h 45m

Islip Long Island

Mon 10/27

5:30 am-4:00 pm

1 stop13h 30m

$503

San JoseIslip

SJC - ISP

SJCISP

San Jose

Thu 10/23

10:00 am-11:45 pm

2 stops10h 45m

Islip Long Island

Mon 10/27

12:35 pm-9:25 pm

2 stops11h 50m

$583

San JoseIslip

SJC - ISP

SJCISP

San Jose

Thu 10/2

2:50 pm-3:21 pm

2 stops21h 31m

Islip Long Island

Mon 10/6

11:53 am-11:00 pm

2 stops14h 07m

$1,613

San JoseIslip

SJC - ISP

SJCISP

San Jose

Sat 10/4

7:50 pm-10:58 am

2 stops12h 08m

Islip Long Island

Sun 10/12

2:19 pm-11:00 pm

2 stops11h 41m

$1,676

San JoseIslip

SJC - ISP

SJCISP

San Jose

Wed 10/1

3:15 pm-3:21 pm

2 stops21h 06m

Islip Long Island

Sun 10/5

2:19 pm-11:00 pm

2 stops11h 41m

$2,345

San JoseIslip

SJC - ISP

SJCISP

San Jose

Tue 10/21

6:59 pm-11:04 am

2 stops13h 05m

$394

San JoseIslip

SJC - ISP

SJCISP

San Jose

Mon 11/3

7:47 pm-11:04 am

2 stops12h 17m

$416

San JoseIslip

SJC - ISP

SJCISP

San Jose

Mon 10/20

6:59 pm-11:04 am

2 stops13h 05m

$420

San JoseIslip

SJC - ISP

SJCISP

San Jose

Mon 10/20

6:59 pm-11:04 am

2 stops13h 05m

$435

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 16 resultsSorted by cheapest first

How to get the cheapest flight ticket from San Jose to Islip

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What airlines fly to Islip?

Alaska Airlines, United Airlines and JetBlue are the top three most popular airlines that fly to Islip from San Jose according to our data. Alaska Airlines is the first choice among our users, with 32% of people opting to fly with this airline when traveling to Islip. Keep in mind that there are 10 different airlines that fly to Islip on a routine basis, so you have a few additional options to choose from.

When to book flights from San Jose to Islip

Are you open to changing your travel dates? Check out the ideal times to fly from San Jose to Islip according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap San Jose to Islip (SJC to ISP) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from San Jose to Islip

Direct flights	None

There are no direct flights from San Jose to Islip. There are no popular flight routes from San Jose to Islip.

Search flight deals

How far is San Jose to Islip Long Island by plane?
The distance between San Jose and Islip Long Island is about 2587.7 mi. A reasonable flight in good conditions will take 10h 45m.
When did momondo last update prices for flights from San Jose Airport to Islip Long Island Airport?
Prices for flights from San Jose Airport to Islip Long Island Airport are updated daily.
How old do you have to be to fly from San Jose Airport to Islip Long Island Airport?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from San Jose Airport to Islip Long Island Airport.
What documentation or ID do you need to fly to Islip Long Island Airport?
The required travel and health documents for your Islip Long Island Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Islip Long Island Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Montauk

Riverhead

Sag Harbor

Southampton

Amagansett

Why use momondo?

Why should I use momondo to find a flight deal from San Jose to Islip?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from San Jose to Islip. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from San Jose to Islip with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Islip from San Jose with this policy.

How can momondo help me find flights from San Jose to Islip?

Once all potential San Jose to Islip flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from San Jose to Islip right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Islip, momondo offers a useful price alert feature which will track prices for flights to Islip from San Jose and alert you when they change.