What airlines fly to Islip, New York?

United Airlines, Alaska Airlines and American Airlines are the top three most popular airlines that fly to Islip, New York from San Diego according to our data. United Airlines is the first choice among our users, with 42% of people opting to fly with this airline when traveling to Islip, New York. Keep in mind that there are 8 different airlines that fly to Islip, New York on a routine basis, so you have a few additional options to choose from.

What is the cheapest airline that flies from San Diego to Islip Long Island?

JetBlue, Southwest, and Breeze Airways are the most popular carriers operating from San Diego to Islip Long Island

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

Prices for flights from San Diego Airport to Islip Long Island Airport refresh daily.

How many operators does momondo search for flights from San Diego Airport to Islip Long Island Airport?

As of September 2026, there is 1 operator available to choose from for flights from San Diego Airport to Islip Long Island Airport.

How old do you have to be to fly from San Diego 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 Diego Airport to Islip Long Island Airport.

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

The travel and health documents you'll need for your trip to Islip Long Island Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Islip Long Island Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$179 Cheap Flights from San Diego to Islip, New York in 2026

Find the cheapest flights from San Diego to New York

Round-trip

One-way

Cheap round-trip flights

Enter your travel dates to find the best prices.

6:35 am - 4:15 pmSAN San Diego-ISP Islip Long Island

6h 40m1 stop Baltimore/Washington

4:05 pm - 8:55 pmISP Islip Long Island-SAN San Diego

7h 50m1 stop Baltimore/Washington

$369Southwest

Thu, Dec 3 - Mon, Dec 7

8:15 am - 9:40 pmSAN San Diego-ISP Islip Long Island

10h 25m2 stops Las Vegas Harry Reid Intl Baltimore/Washington

6:05 am - 10:50 amISP Islip Long Island-SAN San Diego

7h 45m1 stop Baltimore/Washington

$374Southwest

Thu, Dec 3 - Mon, Dec 7

9:50 pm - 12:10 pmSAN San Diego-ISP Islip Long Island

11h 20m1 stop Baltimore/Washington

5:40 pm - 12:15 amISP Islip Long Island-SAN San Diego

9h 35m1 stop Baltimore/Washington

$374Southwest

Mon, Oct 19 - Mon, Oct 26

6:15 am - 10:40 pmSAN San Diego-ISP Islip Long Island

13h 25m1 stop Baltimore/Washington

6:05 am - 12:45 pmISP Islip Long Island-SAN San Diego

9h 40m1 stop Baltimore/Washington

$374Southwest

Tue, Oct 20 - Tue, Oct 27

9:35 am - 10:40 pmSAN San Diego-ISP Islip Long Island

10h 05m2 stops Austin Bergstrom Baltimore/Washington

6:05 am - 12:45 pmISP Islip Long Island-SAN San Diego

9h 40m1 stop Baltimore/Washington

$374Southwest

Tue, Oct 20 - Tue, Oct 27

10:40 pm - 12:10 pmSAN San Diego-ISP Islip Long Island

10h 30m2 stops Nashville Intl Baltimore/Washington

5:40 pm - 12:15 amISP Islip Long Island-SAN San Diego

9h 35m1 stop Baltimore/Washington

$374Southwest

Mon, Oct 19 - Mon, Oct 26

7:10 am - 8:00 pmSAN San Diego-ISP Islip Long Island

9h 50m2 stops Austin Bergstrom Baltimore/Washington

4:20 pm - 11:20 pmISP Islip Long Island-SAN San Diego

10h 00m2 stops Baltimore/Washington Chicago Midway

$379Southwest

Tue, Oct 20 - Tue, Oct 27

8:20 am - 9:40 pmSAN San Diego-ISP Islip Long Island

10h 20m2 stops Phoenix Sky Harbor Intl Baltimore/Washington

4:05 pm - 11:05 pmISP Islip Long Island-SAN San Diego

10h 00m2 stops Baltimore/Washington Nashville Intl

$379Southwest

Thu, Dec 3 - Mon, Dec 7

12:37 pm - 11:12 amSAN San Diego-ISP Islip Long Island

19h 35m1 stop Raleigh-Durham

11:52 am - 12:37 pmISP Islip Long Island-SAN San Diego

27h 45m1 stop Raleigh-Durham

$508Breeze Airways

Thu, Sep 24 - Mon, Sep 28

4:54 pm - 4:58 pmSAN San Diego-ISP Islip Long Island

21h 04m2 stops Denver Intl Orlando

11:52 am - 12:37 pmISP Islip Long Island-SAN San Diego

27h 45m1 stop Raleigh-Durham

$513Multiple Airlines

Thu, Sep 24 - Mon, Sep 28

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Southwest flights from San Diego to Islip, New York

Our best Southwest deals on San Diego to Islip, New York flight tickets

Southwest

Dec 3

SAN6:35 amSan Diego

6h 40m

1 stop

ISP4:15 pmIslip Long Island

Dec 7

ISP4:05 pmIslip Long Island

7h 50m

1 stop

SAN8:55 pmSan Diego

$369

Southwest

Oct 19

SAN9:50 pmSan Diego

11h 20m

1 stop

ISP12:10 pmIslip Long Island

Oct 26

ISP5:40 pmIslip Long Island

9h 35m

1 stop

SAN12:15 amSan Diego

$374

Southwest

Oct 20

SAN7:10 amSan Diego

9h 50m

2 stops

ISP8:00 pmIslip Long Island

Oct 27

ISP4:20 pmIslip Long Island

10h 00m

2 stops

SAN11:20 pmSan Diego

$379

Breeze Airways flights from San Diego to Islip, New York

Our best Breeze Airways deals on San Diego to Islip, New York flight tickets

Breeze Airways

Sep 24

SAN12:37 pmSan Diego

19h 35m

1 stop

ISP11:12 amIslip Long Island

Sep 28

ISP11:52 amIslip Long Island

27h 45m

1 stop

SAN12:37 pmSan Diego

$508

Breeze Airways

Oct 8

SAN12:37 pmSan Diego

22h 45m

1 stop

ISP2:22 pmIslip Long Island

Oct 12

ISP3:02 pmIslip Long Island

24h 35m

1 stop

SAN12:37 pmSan Diego

$788

Breeze Airways

Oct 29

SAN12:37 pmSan Diego

22h 45m

1 stop

ISP2:22 pmIslip Long Island

Nov 3

ISP1:38 pmIslip Long Island

49h 14m

3 stops

SAN11:52 amSan Diego

$813

momondo Fare Finder

Use the filters below to find and compare flights from San Diego to Islip, New York that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Quickest round-trip

San DiegoIslip

SAN San Diego - ISP Islip Long Island

SANISP

San Diego

Thu 12/3

6:35 am-4:15 pm

1 stop6h 40m

Islip Long Island

Mon 12/7

4:05 pm-8:55 pm

1 stop7h 50m

$369

San DiegoIslip

SAN San Diego - ISP Islip Long Island

SANISP

San Diego

Thu 12/3

8:15 am-9:40 pm

2 stops10h 25m

Islip Long Island

Mon 12/7

6:05 am-10:50 am

1 stop7h 45m

$374

San DiegoIslip

SAN San Diego - ISP Islip Long Island

SANISP

San Diego

Mon 10/19

9:50 pm-12:10 pm

1 stop11h 20m

Islip Long Island

Mon 10/26

5:40 pm-12:15 am

1 stop9h 35m

$374

San DiegoIslip

SAN San Diego - ISP Islip Long Island

SANISP

San Diego

Tue 10/20

6:15 am-10:40 pm

1 stop13h 25m

Islip Long Island

Tue 10/27

6:05 am-12:45 pm

1 stop9h 40m

$374

San DiegoIslip

SAN San Diego - ISP Islip Long Island

SANISP

San Diego

Tue 10/20

9:35 am-10:40 pm

2 stops10h 05m

Islip Long Island

Tue 10/27

6:05 am-12:45 pm

1 stop9h 40m

$374

San DiegoIslip

SAN San Diego - ISP Islip Long Island

SANISP

San Diego

Mon 10/19

10:40 pm-12:10 pm

2 stops10h 30m

Islip Long Island

Mon 10/26

5:40 pm-12:15 am

1 stop9h 35m

$374

San DiegoIslip

SAN San Diego - ISP Islip Long Island

SANISP

San Diego

Tue 10/20

7:10 am-8:00 pm

2 stops9h 50m

Islip Long Island

Tue 10/27

4:20 pm-11:20 pm

2 stops10h 00m

$379

San DiegoIslip

SAN San Diego - ISP Islip Long Island

SANISP

San Diego

Thu 12/3

8:20 am-9:40 pm

2 stops10h 20m

Islip Long Island

Mon 12/7

4:05 pm-11:05 pm

2 stops10h 00m

$379

San DiegoIslip

SAN San Diego - ISP Islip Long Island

SANISP

San Diego

Thu 9/24

12:37 pm-11:12 am

1 stop19h 35m

Islip Long Island

Mon 9/28

11:52 am-12:37 pm

1 stop27h 45m

$508

San DiegoIslip

SAN San Diego - ISP Islip Long Island

SANISP

San Diego

Thu 9/24

4:54 pm-4:58 pm

2 stops21h 04m

Islip Long Island

Mon 9/28

11:52 am-12:37 pm

1 stop27h 45m

$513

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from San Diego to Islip, New York

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

Prices

Airlines

Can stopping save me money on San Diego to Islip, New York flights?

You could potentially save up to 54% on your flight if you consider stops on a San Diego to Islip, New York flight.

When to book flights from San Diego to Islip, New York

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

Estimated round-trip price

Cheap San Diego to Islip, New York (SAN to ISP) flight deals and tips

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

Best Price Found	$179
Fastest flight time	9h 15m
Direct flights	None

The best one-way flight to Islip, New York from San Diego in the past 72 hours is $179. The best round-trip flight deal from San Diego to Islip, New York found on momondo in the last 72 hours is $369.

The fastest flight from San Diego to Islip, New York takes 9h 15m

There are no direct flights from San Diego to Islip, New York. There are no popular flight routes from San Diego to Islip, New York.

Search flight deals

Frequently asked questions about flying from San Diego to Islip, New York

How far is San Diego to Islip Long Island by plane?
Islip Long Island is 2467.5 mi away from San Diego. In terms of flight time, this usually takes a little over 9h 15m.
When did momondo last update prices for flights from San Diego Airport to Islip Long Island Airport?
Prices for flights from San Diego Airport to Islip Long Island Airport refresh daily.
How many operators does momondo search for flights from San Diego Airport to Islip Long Island Airport?
As of September 2026, there is 1 operator available to choose from for flights from San Diego Airport to Islip Long Island Airport.
How old do you have to be to fly from San Diego 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 Diego Airport to Islip Long Island Airport.
What documentation or ID do you need to fly to Islip Long Island Airport?
The travel and health documents you'll need for your trip to Islip Long Island Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Islip Long Island Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
What is the most popular airline from San Diego to Islip, New York?
momondo data reveals that the most frequently booked airline on the route from San Diego to Islip, New York is Southwest, representing 100% of all bookings.

Best airlines flying from San Diego to Islip, New York

Compare and see reviews for airlines that fly from San Diego to Islip, New York with momondo

Airline	Rating	Free Cancellation	Price
Southwest	PriceFrom $388	Free Cancellation	Rating 8.0 4,195 reviews		Search Southwest flights

Montauk

Riverhead

Southampton

Amagansett

Sag Harbor

Why use momondo?

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

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

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

Yes. All flights to Islip from San Diego on momondo can be compared and filtered by various policies on offer, including flexible booking.

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Islip from San Diego.

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

Yes. momondo can track prices for San Diego to Islip flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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Cheap flights from San Diego to New York from $179

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from San Diego to New York departing on 12/9. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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Southwest flights from San Diego to Islip, New York

Our best Southwest deals on San Diego to Islip, New York flight tickets

Breeze Airways flights from San Diego to Islip, New York

Our best Breeze Airways deals on San Diego to Islip, New York flight tickets

momondo Fare Finder

Use the filters below to find and compare flights from San Diego to Islip, New York that are best for you.

See travel insights to New York from

How to get the cheapest flight ticket from San Diego to Islip, New York

Can stopping save me money on San Diego to Islip, New York flights?

What is the cheapest airline that flies from San Diego to Islip Long Island?

What airlines fly to Islip, New York?

When to book flights from San Diego to Islip, New York

Cheap San Diego to Islip, New York (SAN to ISP) flight deals and tips

Best Price Found

Fastest flight time

Direct flights

Frequently asked questions about flying from San Diego to Islip, New York

Best airlines flying from San Diego to Islip, New York

Compare and see reviews for airlines that fly from San Diego to Islip, New York with momondo

Traveling to a place near New York?

Why use momondo?

An easier way to manage your Islip, New York trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

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List of cabin classes available on flights landing in New York. Availability may vary depending on flight origin and airline.

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