Which airports can I use when flying from San Diego to Islip?

Flights from San Diego to Islip usually depart from San Diego (SAN) and arrive at Islip Long Island (ISP).

What cabin classes can I book on flights from San Diego to Islip?

Only Economy Class is available on flights from San Diego to Islip.

Which airports do connecting flights from San Diego to Islip pass through?

Most connecting flights from San Diego to Islip pass through Baltimore/Washington (BWI), which handles 100% of one-stop traffic on this route.

Can I save money by using flexible dates for flights from San Diego to Islip?

Yes. Flexible dates can save you up to 46% on flights from San Diego to Islip. Monday is the cheapest departure day at $499 round-trip on average, while Wednesday is the most expensive at $919, a difference of $420. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

How long is a flight from San Diego to Islip?

A nonstop flight from San Diego to Islip takes about 00m, covering 2,475 miles.

Do I need a passport to fly from San Diego to Islip?

No, a passport is not required for this domestic route, but you will need a real ID-compliant driver's license, a state ID or another TSA-accepted form of identification.

Have flight prices from San Diego to Islip changed much recently?

Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $407 to $2,699. That means the highest observed fare was about 7x higher than the lowest one.

How are flight prices from San Diego to Islip looking right now?

One-way fares from San Diego to Islip are currently lower than usual. Average one-way flight prices are about $190, which is 40% below the typical average for this route.

What is the time difference between San Diego and Islip?

Islip is 3 hours ahead of San Diego (Eastern Time vs Pacific Time). Plan for the time shift when scheduling connections or first-day activities.

What car rental options are available at Islip Long Island Airport (ISP)?

Islip Long Island Airport (ISP) hosts 5 major car rental companies, with daily rates averaging $107 for economy cars. Top options include: • Budget • Enterprise Rent-A-Car • Avis • National • Empire Rent A Car

How much should I expect to pay for a San Diego to Islip flight?

Round-trip flights from San Diego to Islip range from $530 to $919, with an average of $863 over the past 12 months. Anything below $530 counts as a good deal.

How much is a round-trip flight from San Diego to Islip?

Round-trip flights from San Diego to Islip typically range from $530 to $919. The lowest price found in the past 5 days was $407, on Southwest.

Which airline is the cheapest to fly from San Diego to Islip?

Southwest ($407) and Frontier ($921) are the cheapest airlines to fly round-trip from San Diego to Islip according to KAYAK data over the last 5 days.

What is the cheapest layover airport when flying from San Diego to Islip?

Flights via Baltimore/Washington (BWI) offer the most affordable fares, with an average round-trip price of $600. Based on KAYAK data over the past 3 months.

When flying from San Diego to Islip which airport offers the shortest layover?

Baltimore/Washington (BWI) had the shortest average connection time for San Diego to Islip layovers at 4h 37m over the past 3 months.

$154 CHEAP FLIGHTS from San Diego to Islip (SAN - ISP)

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Never overpay with our price tracking tools.

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

Cheapest round-trip

$407

Typical prices: $530-$919

Southwest

Sun 12/9Sun 12/16

SAN - ISP • 1 stop

Cheapest one-way

$154

Typical prices: $269-$401

JetBlue

Wed 12/12

SAN - ISP • 1 stop

Nonstop flights

Not available

There are currently no direct flights between San Diego and Islip. You'll need to take a connecting flight to reach the destination.

Insights

When to travel

September

Cheapest • 55% price drop

October

Most popular

Good to know

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We hope you love your trip to Islip!

Flight Deals

Cheap Flights from San Diego to Islip (SAN-ISP)

Discover the best prices for you by selecting your travel dates on KAYAK.

Round-trip

One-way

Last minute

Recent round-trip flight deals from San Diego to Islip

Wed, Dec 9 - Wed, Dec 16

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

6h 40m1 stop Baltimore/Washington

4:05 pm - 9:00 pmISP Islip Long Island-SAN San Diego

7h 55m1 stop Baltimore/Washington

$407Southwest

Wed, Dec 9 - Wed, Dec 16

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

6h 40m1 stop Baltimore/Washington

6:05 am - 1:40 pmISP Islip Long Island-SAN San Diego

10h 35m2 stops Baltimore/Washington Austin Bergstrom

$412Southwest

Wed, Dec 9 - Wed, Dec 16

8:15 am - 9:45 pmSAN San Diego-ISP Islip Long Island

10h 30m2 stops Las Vegas Harry Reid Intl Baltimore/Washington

12:30 pm - 6:50 pmISP Islip Long Island-SAN San Diego

9h 20m2 stops Baltimore/Washington Dallas Love Field

$417Southwest

Thu, Feb 4 - Mon, Feb 8

10:25 pm - 12:30 pmSAN San Diego-ISP Islip Long Island

11h 05m1 stop Orlando

5:25 pm - 10:50 pmISP Islip Long Island-SAN San Diego

8h 25m1 stop Baltimore/Washington

$457Southwest

Thu, Feb 4 - Mon, Feb 8

6:30 am - 4:45 pmSAN San Diego-ISP Islip Long Island

7h 15m1 stop Baltimore/Washington

10:45 am - 5:20 pmISP Islip Long Island-SAN San Diego

9h 35m2 stops Baltimore/Washington Phoenix Sky Harbor Intl

$462Southwest

Thu, Feb 4 - Mon, Feb 8

7:10 pm - 10:10 amSAN San Diego-ISP Islip Long Island

12h 00m2 stops Las Vegas Harry Reid Intl Baltimore/Washington

10:45 am - 5:20 pmISP Islip Long Island-SAN San Diego

9h 35m2 stops Baltimore/Washington Phoenix Sky Harbor Intl

$467Southwest

Sat, Apr 10 - Sat, Apr 17

10:25 am - 11:00 pmSAN San Diego-ISP Islip Long Island

9h 35m1 stop Baltimore/Washington

6:00 am - 11:00 amISP Islip Long Island-SAN San Diego

8h 00m1 stop Baltimore/Washington

$537Southwest

Sat, Apr 10 - Sat, Apr 17

10:25 am - 11:00 pmSAN San Diego-ISP Islip Long Island

9h 35m1 stop Baltimore/Washington

12:35 pm - 8:15 pmISP Islip Long Island-SAN San Diego

10h 40m2 stops Baltimore/Washington Lambert-St Louis

$542Southwest

Thu, Nov 26 - Mon, Nov 30

11:26 am - 3:45 pmSAN San Diego-ISP Islip Long Island

25h 19m2 stops Las Vegas Harry Reid Intl Orlando

4:40 pm - 11:37 amISP Islip Long Island-SAN San Diego

21h 57m2 stops Orlando Las Vegas Harry Reid Intl

$921Frontier

Thu, Dec 10 - Sun, Dec 13

12:37 pm - 2:22 pmSAN San Diego-ISP Islip Long Island

22h 45m1 stop Raleigh-Durham

6:34 pm - 12:00 pmISP Islip Long Island-SAN San Diego

20h 26m3 stops Richmond Byrd Intl Providence-TFGreen Cincinnati Cinci./N. Kentucky

$1,058Breeze Airways

Booking Insights

Price, demand and travel trends for San Diego to Islip flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights with more confidence.

Prices

Airlines

Layovers

How much is a round-trip flight from San Diego to Islip? This analysis is based on the cheapest round-trip price found on KAYAK in the last 12 months by searching for a flight from San Diego to Islip departing in december.

Find deals

High season	October
Cheapest flight	$154

The most popular month to fly with an average 30% increase in travelers.

One-way flight from San Diego to Islip

When to book flights from San Diego to Islip

Are your dates flexible? Find out the best times to travel from San Diego to Islip based on our flight data from the last year. Discover the cheapest month and even day to fly.

Estimated round-trip price

KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

What cabin classes can I book on flights from San Diego to Islip?
Only Economy Class is available on flights from San Diego to Islip.
How long is a flight from San Diego to Islip?
A nonstop flight from San Diego to Islip takes about 00m, covering 2,475 miles.
Do I need a passport to fly from San Diego to Islip?
No, a passport is not required for this domestic route, but you will need a real ID-compliant driver's license, a state ID or another TSA-accepted form of identification.
How much should I expect to pay for a San Diego to Islip flight?
Round-trip flights from San Diego to Islip range from $530 to $919, with an average of $863 over the past 12 months. Anything below $530 counts as a good deal.
Have flight prices from San Diego to Islip changed much recently?
Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $407 to $2,699. That means the highest observed fare was about 7x higher than the lowest one.
How are flight prices from San Diego to Islip looking right now?
One-way fares from San Diego to Islip are currently lower than usual. Average one-way flight prices are about $190, which is 40% below the typical average for this route.
What car rental options are available at Islip Long Island Airport (ISP)?
Islip Long Island Airport (ISP) hosts 5 major car rental companies, with daily rates averaging $107 for economy cars. Top options include:

• Budget
• Enterprise Rent-A-Car
• Avis
• National
• Empire Rent A Car
Which airports can I use when flying from San Diego to Islip?
Flights from San Diego to Islip usually depart from San Diego (SAN) and arrive at Islip Long Island (ISP).
Which airports do connecting flights from San Diego to Islip pass through?
Most connecting flights from San Diego to Islip pass through Baltimore/Washington (BWI), which handles 100% of one-stop traffic on this route.
Can I save money by using flexible dates for flights from San Diego to Islip?
Yes. Flexible dates can save you up to 46% on flights from San Diego to Islip. Monday is the cheapest departure day at $499 round-trip on average, while Wednesday is the most expensive at $919, a difference of $420.

KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.
What is the time difference between San Diego and Islip?
Islip is 3 hours ahead of San Diego (Eastern Time vs Pacific Time). Plan for the time shift when scheduling connections or first-day activities.

If your dates are flexible, aim for a Monday departure and avoid flying on Wednesday. On this route, Monday flights average $499, about $420 less than Wednesday fares (46% savings) based on the last 12 months.
If you can choose when to travel, plan your San Diego to Islip trip for September. Fares historically average $388 round-trip in that month - typically $531 less than the most expensive month, which is November (based on the last 12 months).

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SAN - ISP

$154 Find Cheap Flights from San Diego to Islip - Compare and Save

Everything you should know

Cheap Flights from San Diego to Islip (SAN-ISP)

Recent round-trip flight deals from San Diego to Islip

Recent one-way flight deals from San Diego to Islip

Recent last minute flight deals from San Diego to Islip

Price, demand and travel trends for San Diego to Islip flights

How much is a round-trip flight from San Diego to Islip?

Which airline is the cheapest to fly from San Diego to Islip?

What is the cheapest layover airport when flying from San Diego to Islip?

When flying from San Diego to Islip which airport offers the shortest layover?

Key details for San Diego to Islip flights

High season

Cheapest flight

When to book flights from San Diego to Islip

Your San Diego to Islip flight questions, answered

Your guide to booking San Diego to Islip flights

More options for your flight from San Diego to Islip

Complete your trip to Islip with a hotel stay or car rental

Information on your arrival and departure airports

Cabin class types available on flights from San Diego to Islip

Find direct flights to and from San Diego and Islip

Flights from domestic origins to Islip

Flights to other popular destinations

Find deals for your return flight