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

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

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

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

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

Most connecting flights from Islip to San Francisco pass through Baltimore/Washington (BWI), which handles 100% of one-stop traffic on this route. Other layover airports each see under 5%.

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

Yes. Being flexible with your travel dates can save you up to 55% on the Islip to San Francisco route. Friday is the cheapest departure day at $482 round-trip on average, while Tuesday is the most expensive at $1,066, a difference of $584. 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 Francisco?

Some of the most popular sights in San Francisco are Fisherman's Wharf, Union Square and Moscone Center. These are among the most viewed places in San Francisco on KAYAK.

How long is a flight from Islip to San Francisco?

A nonstop flight from Islip to San Francisco takes 0h 00m, covering 2,611 miles.

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

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 Francisco 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 $369 to $1,624. That means the highest observed fare was about 4x higher than the lowest one.

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

One-way fares from Islip to San Francisco are currently lower than usual. Average one-way flight prices are about $360, which is 20% below the typical average for this route.

What is the time difference between Islip and San Francisco?

San Francisco 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 Francisco Airport (SFO)?

San Francisco Airport (SFO) hosts 5 major car rental companies, with daily rates starting from around $15 for economy cars. Top options include: • Thrifty • Europcar • Dollar • Hertz • Fox

What is the cheapest airline to fly from Islip to San Francisco?

Southwest ($369) offered the cheapest round-trip ticket from Islip to San Francisco in the last 5 days.

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

Flights via Baltimore/Washington (BWI) offer the most affordable fares, with an average round-trip price of $642. Based on KAYAK data over the past 3 months.

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

Baltimore/Washington (BWI) had the shortest average connection time for Islip to San Francisco layovers at 385 minutes over the past 3 months.

$307 CHEAP FLIGHTS from Islip to San Francisco (ISP - SFO)

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

$369

Typical prices: $482-$673

Southwest

Sun 1/14Thu 1/18

ISP - SFO • 1 stop

Cheapest one-way

$307

Typical prices: $243-$549

Frontier

Tue 10/30

ISP - SFO • 2 stops

Nonstop flights

Not available

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

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Flight Deals

Cheap Flights from Islip to San Francisco (ISP-SFO)

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 Francisco

Thu, Jan 14 - Mon, Jan 18

5:45 am - 2:20 pmISP Islip Long Island-SFO San Francisco

11h 35m1 stop Baltimore/Washington

9:25 pm - 11:55 amSFO San Francisco-ISP Islip Long Island

11h 30m1 stop Baltimore/Washington

$369Southwest

Thu, Jan 14 - Mon, Jan 18

5:45 am - 2:20 pmISP Islip Long Island-SFO San Francisco

11h 35m1 stop Baltimore/Washington

9:45 am - 10:45 pmSFO San Francisco-ISP Islip Long Island

10h 00m2 stops Austin Bergstrom Baltimore/Washington

$435Southwest

Thu, Jan 14 - Mon, Jan 18

5:45 am - 12:45 pmISP Islip Long Island-SFO San Francisco

10h 00m2 stops Baltimore/Washington Chicago Midway

9:45 am - 10:45 pmSFO San Francisco-ISP Islip Long Island

10h 00m2 stops Austin Bergstrom Baltimore/Washington

$507Southwest

Sun, Nov 1 - Thu, Nov 12

5:35 am - 1:45 pmISP Islip Long Island-SFO San Francisco

11h 10m1 stop Baltimore/Washington

9:25 pm - 11:45 amSFO San Francisco-ISP Islip Long Island

11h 20m1 stop Baltimore/Washington

$512Southwest

Sat, Sep 26 - Fri, Oct 2

5:30 am - 10:55 amISP Islip Long Island-SFO San Francisco

8h 25m1 stop Baltimore/Washington

11:40 pm - 11:55 amSFO San Francisco-ISP Islip Long Island

9h 15m2 stops Chicago Midway Baltimore/Washington

$520Southwest

Sat, Sep 26 - Fri, Oct 2

5:30 am - 3:50 pmISP Islip Long Island-SFO San Francisco

13h 20m2 stops Baltimore/Washington Nashville Intl

11:40 pm - 11:55 amSFO San Francisco-ISP Islip Long Island

9h 15m2 stops Chicago Midway Baltimore/Washington

$525Southwest

Sun, Oct 4 - Wed, Oct 7

5:40 am - 11:55 amISP Islip Long Island-SFO San Francisco

9h 15m1 stop Baltimore/Washington

11:40 pm - 2:30 pmSFO San Francisco-ISP Islip Long Island

11h 50m2 stops Chicago Midway Baltimore/Washington

$530Southwest

Sat, Oct 10 - Sat, Oct 17

6:15 am - 12:20 pmISP Islip Long Island-SFO San Francisco

9h 05m1 stop Baltimore/Washington

11:10 am - 9:50 pmSFO San Francisco-ISP Islip Long Island

7h 40m1 stop Baltimore/Washington

$533Southwest

Wed, Oct 7 - Wed, Oct 14

9:40 am - 2:35 pmISP Islip Long Island-SFO San Francisco

7h 55m1 stop Baltimore/Washington

11:40 pm - 2:30 pmSFO San Francisco-ISP Islip Long Island

11h 50m2 stops Chicago Midway Baltimore/Washington

$538Southwest

Wed, Oct 7 - Wed, Oct 14

12:50 pm - 9:40 pmISP Islip Long Island-SFO San Francisco

11h 50m2 stops Baltimore/Washington Las Vegas Harry Reid Intl

11:40 pm - 2:30 pmSFO San Francisco-ISP Islip Long Island

11h 50m2 stops Chicago Midway Baltimore/Washington

$543Southwest

Recent last minute flight deals from Islip to San Francisco

Fri, Sep 18 - Sun, Sep 20

6:10 am - 1:00 pmISP Islip Long Island-SFO San Francisco

9h 50m1 stop Baltimore/Washington

10:30 pm - 9:40 amSFO San Francisco-ISP Islip Long Island

8h 10m1 stop Baltimore/Washington

$987Southwest

Fri, Sep 18 - Sun, Sep 20

12:35 pm - 7:05 pmISP Islip Long Island-SFO San Francisco

9h 30m2 stops Baltimore/Washington Los Angeles

10:30 pm - 9:40 amSFO San Francisco-ISP Islip Long Island

8h 10m1 stop Baltimore/Washington

$992Southwest

Fri, Sep 18 - Sun, Sep 20

6:10 am - 2:10 pmISP Islip Long Island-SFO San Francisco

11h 00m2 stops Baltimore/Washington Denver Intl

11:40 pm - 12:35 pmSFO San Francisco-ISP Islip Long Island

9h 55m2 stops Chicago Midway Baltimore/Washington

$997Southwest

Thu, Sep 17 - Sat, Sep 19

7:45 pm - 11:09 amISP Islip Long Island-SFO San Francisco

18h 24m3 stops Norfolk Charleston Louisville Intl

12:36 pm - 6:51 pmSFO San Francisco-ISP Islip Long Island

27h 15m1 stop Richmond Byrd Intl

$1,049Breeze Airways

Fri, Sep 18 - Sun, Sep 20

9:39 am - 11:51 amISP Islip Long Island-SFO San Francisco

29h 12m2 stops Charleston Richmond Byrd Intl

12:46 pm - 8:59 amSFO San Francisco-ISP Islip Long Island

17h 13m2 stops Cincinnati Cinci./N. Kentucky Charleston

$1,334Breeze Airways

Fri, Sep 18 - Sun, Sep 20

9:39 am - 11:51 amISP Islip Long Island-SFO San Francisco

29h 12m2 stops Charleston Richmond Byrd Intl

12:46 pm - 8:59 amSFO San Francisco-ISP Islip Long Island

17h 13m2 stops Cincinnati Cinci./N. Kentucky Charleston

$1,434Breeze Airways

Thu, Sep 17 - Sat, Sep 19

7:45 pm - 11:09 amISP Islip Long Island-SFO San Francisco

18h 24m3 stops Norfolk Charleston Louisville Intl

12:36 pm - 7:05 pmSFO San Francisco-ISP Islip Long Island

27h 29m3 stops Richmond Byrd Intl Charleston Norfolk

$1,605Breeze Airways

Tue, Sep 15 - Sun, Sep 20

1:38 pm - 3:28 pmISP Islip Long Island-SFO San Francisco

52h 50m3 stops Wilmington New Hanover County Orlando Provo

12:46 pm - 8:59 amSFO San Francisco-ISP Islip Long Island

17h 13m2 stops Cincinnati Cinci./N. Kentucky Charleston

$1,709Breeze Airways

Booking Insights

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

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

Prices

Airlines

Layovers

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

Round-trip flights from Islip to San Francisco start at $369. Prices are below average for this route right now, with typical round-trip fares ranging from $482 to $673. The lowest price found in the past 5 days was $369 on Southwest.

Find deals

Cheapest flight	$307

Flight from Islip to San Francisco

When to book flights from Islip to San Francisco

Are your dates flexible? Find out the best times to travel from Islip to San Francisco 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.

Which airports can I use when flying from Islip to San Francisco?
Flights from Islip to San Francisco usually depart from Islip Long Island (ISP) and arrive at San Francisco (SFO).
What cabin classes can I book on flights from Islip to San Francisco?
Only Economy Class is available on flights from Islip to San Francisco.
Which airports do connecting flights from Islip to San Francisco pass through?
Most connecting flights from Islip to San Francisco pass through Baltimore/Washington (BWI), which handles 100% of one-stop traffic on this route. Other layover airports each see under 5%.
Can I save money by using flexible dates for flights from Islip to San Francisco?
Yes. Being flexible with your travel dates can save you up to 55% on the Islip to San Francisco route. Friday is the cheapest departure day at $482 round-trip on average, while Tuesday is the most expensive at $1,066, a difference of $584. 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 Francisco?
Some of the most popular sights in San Francisco are Fisherman's Wharf, Union Square and Moscone Center. These are among the most viewed places in San Francisco on KAYAK.
How long is a flight from Islip to San Francisco?
A nonstop flight from Islip to San Francisco takes 0h 00m, covering 2,611 miles.
Do I need a passport to fly from Islip to San Francisco?
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 Francisco 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 $369 to $1,624. That means the highest observed fare was about 4x higher than the lowest one.
How are flight prices from Islip to San Francisco looking right now?
One-way fares from Islip to San Francisco are currently lower than usual. Average one-way flight prices are about $360, which is 20% below the typical average for this route.
What is the time difference between Islip and San Francisco?
San Francisco 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 Francisco Airport (SFO)?
San Francisco Airport (SFO) hosts 5 major car rental companies, with daily rates starting from around $15 for economy cars. Top options include:
• Thrifty
• Europcar
• Dollar
• Hertz
• Fox

If your dates can be flexible, aim for a Friday departure instead of Tuesday. On this route, Friday flights average $482 - about $584 less than Tuesday (55% 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 Francisco Airport.
- Grand Hyatt At Sfo

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ISP - SFO

$307 Find Cheap Flights from Islip to San Francisco - Compare and Save

Everything you should know

Cheap Flights from Islip to San Francisco (ISP-SFO)

Recent round-trip flight deals from Islip to San Francisco

Recent one-way flight deals from Islip to San Francisco

Recent last minute flight deals from Islip to San Francisco

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

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

What is the cheapest airline to fly from Islip to San Francisco?

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

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

Key details for Islip to San Francisco flights

Cheapest flight

When to book flights from Islip to San Francisco

Your Islip to San Francisco flight questions, answered

Your guide to booking Islip to San Francisco flights

More options for your flight from Islip to San Francisco

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

Information on your arrival and departure airports

Cabin class types available on flights from Islip to San Francisco

Find direct flights to and from Islip and San Francisco

Flights from domestic origins to San Francisco

Flights to other popular destinations

Find deals for your return flight