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 59% on flights from San Diego to Islip. Thursday is the cheapest departure day at $385 round-trip on average, while Wednesday is the most expensive at $919, a difference of $534. 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 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 $554 to $2,678. That means the highest observed fare was about 5x 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 $201, which is 36% 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 starting from around $36 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 $554, on Southwest.

What's the cheapest day of the week to fly from San Diego to Islip?

Based on deals KAYAK users found in the last 12 months, Thursday is the cheapest day of the week to fly from San Diego to Islip. It’s 56% cheaper than the average day, while Wednesday is the most expensive, with prices 6% higher.

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

Southwest ($554) and Breeze Airways ($606) 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 $584. 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.

$178 CHEAP FLIGHTS from San Diego to Islip (SAN - ISP)

Save 21% or more on flights. Compare deals from all over the web.

Never overpay with our price tracking tools.

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

Cheapest round-trip

$554

Typical prices: $530-$919

Southwest

Tue 12/18Sun 12/30

SAN - ISP • 1 stop

Cheapest one-way

$178

Typical prices: $259-$349

JetBlue

Sun 12/2

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

October

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

Fri, Dec 18 - Wed, Dec 30

6:35 am - 4:20 pmSAN San Diego-ISP Islip Long Island

6h 45m1 stop Baltimore/Washington

4:55 pm - 1:25 amISP Islip Long Island-SAN San Diego

11h 30m2 stops Baltimore/Washington Nashville Intl

$554Southwest

Fri, Dec 18 - Wed, Dec 30

10:35 pm - 11:50 amSAN San Diego-ISP Islip Long Island

10h 15m2 stops Nashville Intl Baltimore/Washington

4:55 pm - 1:25 amISP Islip Long Island-SAN San Diego

11h 30m2 stops Baltimore/Washington Nashville Intl

$581Southwest

Sat, Oct 10 - Wed, Oct 14

1:13 pm - 7:05 pmSAN San Diego-ISP Islip Long Island

26h 52m1 stop Norfolk

12:00 pm - 11:52 amISP Islip Long Island-SAN San Diego

26h 52m1 stop Raleigh-Durham

$606Breeze Airways

Fri, Oct 9 - Sun, Oct 11

9:27 pm - 5:30 pmSAN San Diego-ISP Islip Long Island

17h 03m1 stop Orlando

6:25 pm - 11:56 pmISP Islip Long Island-SAN San Diego

32h 31m2 stops Orlando Denver Intl

$609Multiple Airlines

Sat, Oct 10 - Wed, Oct 14

9:50 pm - 10:20 amSAN San Diego-ISP Islip Long Island

9h 30m1 stop Baltimore/Washington

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

10h 00m2 stops Baltimore/Washington Chicago Midway

$622Southwest

Sat, Oct 10 - Wed, Oct 14

7:45 am - 9:50 pmSAN San Diego-ISP Islip Long Island

11h 05m2 stops Las Vegas Harry Reid Intl Baltimore/Washington

9:40 am - 5:15 pmISP Islip Long Island-SAN San Diego

10h 35m2 stops Baltimore/Washington Austin Bergstrom

$627Southwest

Fri, Dec 18 - Tue, Dec 29

6:35 am - 4:20 pmSAN San Diego-ISP Islip Long Island

6h 45m1 stop Baltimore/Washington

4:55 pm - 1:25 amISP Islip Long Island-SAN San Diego

11h 30m2 stops Baltimore/Washington Nashville Intl

$637Southwest

Wed, Oct 7 - Mon, Oct 12

1:13 pm - 7:05 pmSAN San Diego-ISP Islip Long Island

26h 52m1 stop Norfolk

3:02 pm - 12:37 pmISP Islip Long Island-SAN San Diego

24h 35m1 stop Raleigh-Durham

$643Breeze Airways

Fri, Dec 18 - Wed, Dec 30

6:35 am - 4:20 pmSAN San Diego-ISP Islip Long Island

6h 45m1 stop Baltimore/Washington

4:55 pm - 10:40 pmISP Islip Long Island-SAN San Diego

8h 45m1 stop Baltimore/Washington

$647Southwest

Sat, Feb 13 - Sat, Feb 20

8:37 pm - 11:04 amSAN San Diego-ISP Islip Long Island

11h 27m2 stops Las Vegas Harry Reid Intl Orlando

11:59 am - 11:58 pmISP Islip Long Island-SAN San Diego

14h 59m2 stops Orlando Denver Intl

$658Frontier

Recent last minute flight deals from San Diego to Islip

Thu, Oct 1 - Mon, Oct 5

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

22h 45m1 stop Raleigh-Durham

3:02 pm - 12:37 pmISP Islip Long Island-SAN San Diego

24h 35m1 stop Raleigh-Durham

$948Breeze Airways

Fri, Oct 2 - Mon, Oct 5

12:45 pm - 11:20 amSAN San Diego-ISP Islip Long Island

19h 35m3 stops Cincinnati Cinci./N. Kentucky Providence-TFGreen Raleigh-Durham

3:02 pm - 12:37 pmISP Islip Long Island-SAN San Diego

24h 35m1 stop Raleigh-Durham

$1,138Breeze Airways

Fri, Oct 2 - Mon, Oct 5

12:45 pm - 11:20 amSAN San Diego-ISP Islip Long Island

19h 35m3 stops Cincinnati Cinci./N. Kentucky Providence-TFGreen Raleigh-Durham

3:02 pm - 12:37 pmISP Islip Long Island-SAN San Diego

24h 35m1 stop Raleigh-Durham

$1,279Breeze Airways

Thu, Oct 1 - Sun, Oct 4

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

22h 45m1 stop Raleigh-Durham

5:28 pm - 12:37 pmISP Islip Long Island-SAN San Diego

46h 09m3 stops Wilmington New Hanover County Tampa Raleigh-Durham

$1,298Breeze Airways

Wed, Sep 30 - Sun, Oct 4

1:13 pm - 7:05 pmSAN San Diego-ISP Islip Long Island

26h 52m1 stop Norfolk

7:45 pm - 12:37 pmISP Islip Long Island-SAN San Diego

43h 52m3 stops Norfolk Providence-TFGreen Raleigh-Durham

$1,393Breeze Airways

Fri, Oct 2 - Sun, Oct 4

12:45 pm - 11:20 amSAN San Diego-ISP Islip Long Island

19h 35m3 stops Cincinnati Cinci./N. Kentucky Providence-TFGreen Raleigh-Durham

5:28 pm - 12:37 pmISP Islip Long Island-SAN San Diego

46h 09m3 stops Wilmington New Hanover County Tampa Raleigh-Durham

$1,408Breeze Airways

Fri, Oct 2 - Tue, Oct 6

12:45 pm - 11:20 amSAN San Diego-ISP Islip Long Island

19h 35m3 stops Cincinnati Cinci./N. Kentucky Providence-TFGreen Raleigh-Durham

12:00 pm - 12:28 pmISP Islip Long Island-SAN San Diego

27h 28m3 stops Raleigh-Durham Providence-TFGreen Norfolk

$1,413Breeze Airways

Fri, Oct 2 - Tue, Oct 6

12:45 pm - 11:20 amSAN San Diego-ISP Islip Long Island

19h 35m3 stops Cincinnati Cinci./N. Kentucky Providence-TFGreen Raleigh-Durham

1:38 pm - 11:52 amISP Islip Long Island-SAN San Diego

49h 14m3 stops Wilmington New Hanover County Orlando Raleigh-Durham

$1,564Breeze Airways

Sun, Sep 27 - Thu, Oct 1

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

19h 35m1 stop Raleigh-Durham

7:31 pm - 12:00 pmISP Islip Long Island-SAN San Diego

19h 29m3 stops Richmond Byrd Intl Providence-TFGreen Cincinnati Cinci./N. Kentucky

$1,579Breeze Airways

Fri, Oct 2 - Tue, Oct 6

12:45 pm - 11:20 amSAN San Diego-ISP Islip Long Island

19h 35m3 stops Cincinnati Cinci./N. Kentucky Providence-TFGreen Raleigh-Durham

1:38 pm - 11:52 amISP Islip Long Island-SAN San Diego

49h 14m3 stops Wilmington New Hanover County Orlando Raleigh-Durham

$1,619Breeze 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.
What's the cheapest day of the week to fly from San Diego to Islip?: Based on deals KAYAK users found in the last 12 months, Thursday is the cheapest day of the week to fly from San Diego to Islip. It’s 56% cheaper than the average day, while Wednesday is the most expensive, with prices 6% higher.

Find deals

Low season	January
High season	October
Cheapest flight	$178

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 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 $554 to $2,678. That means the highest observed fare was about 5x 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 $201, which is 36% 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 starting from around $36 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 59% on flights from San Diego to Islip. Thursday is the cheapest departure day at $385 round-trip on average, while Wednesday is the most expensive at $919, a difference of $534.

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 Thursday departure and avoid flying on Wednesday. On this route, Thursday flights average $385, about $534 less than Wednesday fares (58% savings) based on the last 12 months.
If you can choose when to travel, plan your San Diego to Islip trip for October. Fares historically average $385 round-trip in that month - typically $534 less than the most expensive month, which is November (based on the last 12 months).

More options for your flight from San Diego to Islip

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SAN - ISP

$178 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?

What's the cheapest day of the week to fly 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

Low season

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