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

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

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

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

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

Most connecting flights from Islip to San Diego 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 Islip to San Diego?

Yes. Flexible dates can save you up to 49% on flights from Islip to San Diego. Thursday is the cheapest departure day at $323 round-trip on average, while Monday is the most expensive at $626, a difference of $303. 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 popular places can I visit in San Diego?

Some of the most popular sights in San Diego are Gaslamp Quarter, San Diego Convention Center and SeaWorld San Diego. These are among the most viewed places in San Diego on KAYAK.

How long is a flight from Islip to San Diego?

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

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

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 Islip to San Diego 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 $423 to $3,344. That means the highest observed fare was about 8x higher than the lowest one.

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

One-way fares from Islip to San Diego are currently lower than usual. Average one-way flight prices are about $245, which is 25% below the typical average for this route.

What is the time difference between Islip and San Diego?

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

What car rental options are available at San Diego Airport (SAN)?

San Diego Airport (SAN) hosts 5 major car rental companies, with daily rates averaging $53 for economy cars. Top options include: • Dollar • Payless • Europcar • Thrifty • Fox

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

Round-trip flights from Islip to San Diego range from $446 to $626, with an average of $558 over the past 12 months. Anything below $446 counts as a good deal.

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

Round-trip flights from Islip to San Diego typically range from $446 to $626. The lowest price found in the past 5 days was $423, on Southwest.

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

Southwest ($423) and Frontier ($894) are the cheapest airlines to fly round-trip from Islip to San Diego according to KAYAK data over the last 5 days.

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

Flights via Baltimore/Washington (BWI) offer the most affordable fares, with an average round-trip price of $521. Based on KAYAK data over the past 3 months.

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

Baltimore/Washington (BWI) had the shortest average connection time for Islip to San Diego layovers at 4h 53m over the past 3 months.

$169 CHEAP FLIGHTS from Islip to San Diego (ISP - SAN)

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Cheapest round-trip

$423

Typical prices: $446-$626

Southwest

Sun 3/11Wed 3/14

ISP - SAN • 1 stop

Cheapest one-way

$169

Typical prices: $260-$353

Southwest

Wed 11/21

ISP - SAN • 2 stops

Nonstop flights

Not available

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

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Flight Deals

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

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 Islip to San Diego

Thu, Mar 11 - Sun, Mar 14

5:20 pm - 12:20 amISP Islip Long Island-SAN San Diego

10h 00m1 stop Baltimore/Washington

6:35 am - 5:10 pmSAN San Diego-ISP Islip Long Island

7h 35m1 stop Baltimore/Washington

$423Southwest

Thu, Mar 11 - Sun, Mar 14

5:35 am - 1:25 pmISP Islip Long Island-SAN San Diego

10h 50m1 stop Baltimore/Washington

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

11h 00m2 stops Orlando Baltimore/Washington

$428Southwest

Fri, Jan 1 - Fri, Jan 8

6:05 am - 1:30 pmISP Islip Long Island-SAN San Diego

10h 25m2 stops Baltimore/Washington Denver Intl

11:20 am - 9:30 pmSAN San Diego-ISP Islip Long Island

7h 10m1 stop Baltimore/Washington

$440Southwest

Fri, Jan 1 - Fri, Jan 8

6:05 am - 1:30 pmISP Islip Long Island-SAN San Diego

10h 25m2 stops Baltimore/Washington Denver Intl

8:05 am - 9:30 pmSAN San Diego-ISP Islip Long Island

10h 25m2 stops Austin Bergstrom Baltimore/Washington

$445Southwest

Thu, Mar 11 - Sun, Mar 14

1:10 pm - 12:20 amISP Islip Long Island-SAN San Diego

14h 10m2 stops Orlando Baltimore/Washington

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

11h 00m2 stops Orlando Baltimore/Washington

$453Southwest

Fri, Jan 1 - Fri, Jan 8

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

7h 45m1 stop Baltimore/Washington

11:20 am - 9:30 pmSAN San Diego-ISP Islip Long Island

7h 10m1 stop Baltimore/Washington

$467Southwest

Wed, Nov 11 - Sun, Nov 15

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

7h 55m1 stop Baltimore/Washington

9:55 pm - 11:45 amSAN San Diego-ISP Islip Long Island

10h 50m1 stop Baltimore/Washington

$525Southwest

Wed, Nov 11 - Sun, Nov 15

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

7h 55m1 stop Baltimore/Washington

10:40 pm - 11:45 amSAN San Diego-ISP Islip Long Island

10h 05m2 stops Chicago Midway Baltimore/Washington

$525Southwest

Tue, Nov 24 - Sun, Nov 29

4:40 pm - 9:10 amISP Islip Long Island-SAN San Diego

19h 30m2 stops Orlando Dallas/Fort Worth

1:02 pm - 3:45 pmSAN San Diego-ISP Islip Long Island

23h 43m2 stops Phoenix Sky Harbor Intl Orlando

$894Frontier

Tue, Nov 24 - Sun, Nov 29

4:40 pm - 9:10 amISP Islip Long Island-SAN San Diego

19h 30m2 stops Orlando Dallas/Fort Worth

1:02 pm - 3:45 pmSAN San Diego-ISP Islip Long Island

23h 43m2 stops Phoenix Sky Harbor Intl Orlando

$951Frontier

Booking Insights

Price, demand and travel trends for Islip to San Diego 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 Islip to San Diego? This analysis is based on the cheapest round-trip price found on KAYAK in the last 12 months by searching for a flight from Islip to San Diego departing in march.

Find deals

Cheapest flight	$169

One-way flight from Islip to San Diego

When to book flights from Islip to San Diego

Are your dates flexible? Find out the best times to travel from Islip to San Diego 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 Islip to San Diego?
Only Economy Class is available on flights from Islip to San Diego.
How long is a flight from Islip to San Diego?
A nonstop flight from Islip to San Diego takes 00m, covering 2,475 miles.
Do I need a passport to fly from Islip to San Diego?
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 Islip to San Diego flight?
Round-trip flights from Islip to San Diego range from $446 to $626, with an average of $558 over the past 12 months. Anything below $446 counts as a good deal.
Have flight prices from Islip to San Diego 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 $423 to $3,344. That means the highest observed fare was about 8x higher than the lowest one.
How are flight prices from Islip to San Diego looking right now?
One-way fares from Islip to San Diego are currently lower than usual. Average one-way flight prices are about $245, which is 25% below the typical average for this route.
What car rental options are available at San Diego Airport (SAN)?
San Diego Airport (SAN) hosts 5 major car rental companies, with daily rates averaging $53 for economy cars. Top options include:

• Dollar
• Payless
• Europcar
• Thrifty
• Fox
Which airports can I use when flying from Islip to San Diego?
Flights from Islip to San Diego usually depart from Islip Long Island (ISP) and arrive at San Diego (SAN).
Which airports do connecting flights from Islip to San Diego pass through?
Most connecting flights from Islip to San Diego 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 Islip to San Diego?
Yes. Flexible dates can save you up to 49% on flights from Islip to San Diego. Thursday is the cheapest departure day at $323 round-trip on average, while Monday is the most expensive at $626, a difference of $303.

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 Islip and San Diego?
San Diego is 3 hours behind Islip (Pacific Time vs Eastern Time). Plan for the time shift when scheduling connections or first-day activities.
What popular places can I visit in San Diego?
Some of the most popular sights in San Diego are Gaslamp Quarter, San Diego Convention Center and SeaWorld San Diego. These are among the most viewed places in San Diego on KAYAK.

If your dates are flexible, aim for a Thursday departure and avoid flying on Monday. On this route, Thursday flights average $323, about $303 less than Monday fares (48% savings) based on the last 12 months.
If you're arriving late at night and need somewhere to stay, check out these hotels close to San Diego Airport.

• Courtyard by Marriott San Diego Downtown Little Italy
• Bay Club Hotel & Marina
• Sheraton San Diego Resort

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ISP - SAN

$169 Find Cheap Flights from Islip to San Diego - Compare and Save

Everything you should know

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

Recent round-trip flight deals from Islip to San Diego

Recent one-way flight deals from Islip to San Diego

Recent last minute flight deals from Islip to San Diego

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

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

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

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

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

Key details for Islip to San Diego flights

Cheapest flight

When to book flights from Islip to San Diego

Your Islip to San Diego flight questions, answered

Your guide to booking Islip to San Diego flights

More options for your flight from Islip to San Diego

Complete your trip to San Diego with a hotel stay or car rental

Information on your arrival and departure airports

Cabin class types available on flights from Islip to San Diego

Find direct flights to and from Islip and San Diego

Flights from domestic origins to San Diego

Flights to other popular destinations

Find deals for your return flight