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Cheap flights from Islip, New York to San Francisco from $289

1 adult
1 adult, Economy, 0 bags

Find the cheapest flights from Islip, New York to San Francisco

Cheap round-trip flights

Enter your travel dates to find the best prices.
Southwest Logo
6:15 am - 12:20 pmISP  Islip Long Island-SFO San Francisco
9h 05m1 stop Baltimore/Washington
Southwest Logo
6:40 am - 5:20 pmSFO  San Francisco-ISP Islip Long Island
7h 40m1 stop Baltimore/Washington
$385Southwest
Sat, Oct 24 - Sat, Oct 31
Southwest Logo
9:40 am - 2:35 pmISP  Islip Long Island-SFO San Francisco
7h 55m1 stop Baltimore/Washington
Southwest Logo
6:10 am - 9:40 pmSFO  San Francisco-ISP Islip Long Island
12h 30m2 stops Denver Intl Baltimore/Washington
$390Southwest
Tue, Oct 27 - Tue, Nov 3
Southwest Logo
6:15 am - 3:05 pmISP  Islip Long Island-SFO San Francisco
11h 50m2 stops Baltimore/Washington Las Vegas Harry Reid Intl
Southwest Logo
10:55 pm - 12:45 pmSFO  San Francisco-ISP Islip Long Island
10h 50m2 stops Chicago Midway Baltimore/Washington
$395Southwest
Sat, Oct 24 - Sat, Oct 31
Southwest Logo
9:40 am - 2:35 pmISP  Islip Long Island-SFO San Francisco
7h 55m1 stop Baltimore/Washington
Southwest Logo
9:35 pm - 11:55 amSFO  San Francisco-ISP Islip Long Island
11h 20m1 stop Baltimore/Washington
$402Southwest
Wed, Oct 28 - Fri, Oct 30
Southwest Logo
4:20 pm - 11:40 pmISP  Islip Long Island-SFO San Francisco
10h 20m2 stops Baltimore/Washington Chicago Midway
Southwest Logo
9:35 am - 11:40 pmSFO  San Francisco-ISP Islip Long Island
11h 05m2 stops Denver Intl Baltimore/Washington
$407Southwest
Wed, Oct 28 - Fri, Oct 30
Southwest Logo
6:05 am - 2:00 pmISP  Islip Long Island-SFO San Francisco
10h 55m2 stops Baltimore/Washington Denver Intl
Southwest Logo
9:25 pm - 11:45 amSFO  San Francisco-ISP Islip Long Island
11h 20m1 stop Baltimore/Washington
$408Southwest
Tue, Dec 15 - Thu, Dec 24
Multiple Airlines Logo
12:00 pm - 6:10 pmISP  Islip Long Island-SFO San Francisco
33h 10m2 stops Raleigh-Durham Atlanta Hartsfield-Jackson
Multiple Airlines Logo
12:36 pm - 5:54 pmSFO  San Francisco-ISP Islip Long Island
26h 18m1 stop Richmond Byrd Intl
$419Multiple Airlines
Tue, Nov 17 - Sat, Dec 5
Southwest Logo
6:05 am - 2:55 pmISP  Islip Long Island-SFO San Francisco
11h 50m2 stops Baltimore/Washington Los Angeles
Southwest Logo
7:00 am - 9:40 pmSFO  San Francisco-ISP Islip Long Island
11h 40m2 stops Las Vegas Harry Reid Intl Baltimore/Washington
$429Southwest
Tue, Dec 15 - Thu, Dec 24
Multiple Airlines Logo
12:00 pm - 12:20 amISP  Islip Long Island-SFO San Francisco
15h 20m2 stops Raleigh-Durham Denver Intl
Multiple Airlines Logo
12:36 pm - 5:33 pmSFO  San Francisco-ISP Islip Long Island
25h 57m1 stop Richmond Byrd Intl
$461Multiple Airlines
Wed, Oct 28 - Wed, Nov 4
Multiple Airlines Logo
12:00 pm - 12:15 amISP  Islip Long Island-SFO San Francisco
15h 15m2 stops Raleigh-Durham Denver Intl
Multiple Airlines Logo
12:36 pm - 6:33 pmSFO  San Francisco-ISP Islip Long Island
26h 57m1 stop Richmond Byrd Intl
$466Multiple Airlines
Sat, Oct 24 - Sat, Oct 31

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Southwest flights from Islip, New York to San Francisco

Our best Southwest deals on Islip, New York to San Francisco flight tickets
Southwest
Oct 24
ISP6:15 amIslip Long Island
9h 05m
1 stop
SFO12:20 pmSan Francisco
Oct 31
SFO6:40 amSan Francisco
7h 40m
1 stop
ISP5:20 pmIslip Long Island
$385
Southwest
Oct 27
ISP9:40 amIslip Long Island
7h 55m
1 stop
SFO2:35 pmSan Francisco
Nov 3
SFO6:10 amSan Francisco
12h 30m
2 stops
ISP9:40 pmIslip Long Island
$390
Southwest
Oct 24
ISP6:15 amIslip Long Island
11h 50m
2 stops
SFO3:05 pmSan Francisco
Oct 31
SFO10:55 pmSan Francisco
10h 50m
2 stops
ISP12:45 pmIslip Long Island
$395

Breeze Airways flights from Islip, New York to San Francisco

Our best Breeze Airways deals on Islip, New York to San Francisco flight tickets
Breeze Airways
Dec 14
ISP9:39 amIslip Long Island
29h 22m
2 stops
SFO12:01 pmSan Francisco
Dec 31
SFO12:46 pmSan Francisco
17h 13m
2 stops
ISP8:59 amIslip Long Island
$719
Breeze Airways
Dec 17
ISP7:45 pmIslip Long Island
18h 24m
3 stops
SFO11:09 amSan Francisco
Dec 31
SFO12:46 pmSan Francisco
17h 13m
2 stops
ISP8:59 amIslip Long Island
$744
Breeze Airways
Dec 24
ISP7:45 pmIslip Long Island
18h 24m
3 stops
SFO11:09 amSan Francisco
Dec 31
SFO12:46 pmSan Francisco
17h 13m
2 stops
ISP8:59 amIslip Long Island
$764

momondo Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

IslipSan Francisco

ISP Islip Long Island - SFO San Francisco

ISPSFO

Islip Long Island

Sat 10/24

6:15 am-12:20 pm

1 stop9h 05m

San Francisco

Sat 10/31

6:40 am-5:20 pm

1 stop7h 40m

$385

IslipSan Francisco

ISP Islip Long Island - SFO San Francisco

ISPSFO

Islip Long Island

Tue 10/27

9:40 am-2:35 pm

1 stop7h 55m

San Francisco

Tue 11/3

6:10 am-9:40 pm

2 stops12h 30m

$390

IslipSan Francisco

ISP Islip Long Island - SFO San Francisco

ISPSFO

Islip Long Island

Sat 10/24

6:15 am-3:05 pm

2 stops11h 50m

San Francisco

Sat 10/31

10:55 pm-12:45 pm

2 stops10h 50m

$395

IslipSan Francisco

ISP Islip Long Island - SFO San Francisco

ISPSFO

Islip Long Island

Wed 10/28

9:40 am-2:35 pm

1 stop7h 55m

San Francisco

Fri 10/30

9:35 pm-11:55 am

1 stop11h 20m

$402

IslipSan Francisco

ISP Islip Long Island - SFO San Francisco

ISPSFO

Islip Long Island

Wed 10/28

4:20 pm-11:40 pm

2 stops10h 20m

San Francisco

Fri 10/30

9:35 am-11:40 pm

2 stops11h 05m

$407

IslipSan Francisco

ISP Islip Long Island - SFO San Francisco

ISPSFO

Islip Long Island

Tue 12/15

6:05 am-2:00 pm

2 stops10h 55m

San Francisco

Thu 12/24

9:25 pm-11:45 am

1 stop11h 20m

$408

IslipSan Francisco

ISP Islip Long Island - SFO San Francisco

ISPSFO

Islip Long Island

Tue 11/17

12:00 pm-6:10 pm

2 stops33h 10m

San Francisco

Sat 12/5

12:36 pm-5:54 pm

1 stop26h 18m

$419

IslipSan Francisco

ISP Islip Long Island - SFO San Francisco

ISPSFO

Islip Long Island

Tue 12/15

6:05 am-2:55 pm

2 stops11h 50m

San Francisco

Thu 12/24

7:00 am-9:40 pm

2 stops11h 40m

$429

IslipSan Francisco

ISP Islip Long Island - SFO San Francisco

ISPSFO

Islip Long Island

Wed 10/28

12:00 pm-12:20 am

2 stops15h 20m

San Francisco

Wed 11/4

12:36 pm-5:33 pm

1 stop25h 57m

$461

IslipSan Francisco

ISP Islip Long Island - SFO San Francisco

ISPSFO

Islip Long Island

Sat 10/24

12:00 pm-12:15 am

2 stops15h 15m

San Francisco

Sat 10/31

12:36 pm-6:33 pm

1 stop26h 57m

$466

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to San Francisco from

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

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

What is the cheapest day to depart on your flight to San Francisco?

The cheapest day to depart from Islip, New York to San Francisco is on a Thursday when prices can be found for as low as $479. The most expensive day to fly to San Francisco is Monday, with ticket prices averaging around $669.

What is the cheapest time of day to depart on your flight to San Francisco?

Our data shows that the cheapest Islip, New York to San Francisco flights are usually those with departure times in the evening. Our users have found flights to San Francisco in the evening for as low as $505. Flights in the afternoon are often more expensive with an average ticket price of $571.

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

You could potentially save up to 25% on your flight if you consider stops on a Islip, New York to San Francisco flight.

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

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

Cheap Islip, New York to San Francisco (ISP to SFO) flight deals and tips

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

Best Price Found

$289

Fastest flight time

10h 45m

Direct flights

None
The best one-way flight to San Francisco from Islip, New York in the past 72 hours is $289. The best round-trip flight deal from Islip, New York to San Francisco found on momondo in the last 72 hours is $385.
The fastest flight from Islip, New York to San Francisco takes 10h 45m
There are no direct flights from Islip, New York to San Francisco. There are no popular flight routes from Islip, New York to San Francisco.
Search flight deals

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

  • How far is Islip Long Island to San Francisco by plane?

    A flight from Islip Long Island to San Francisco will travel around 2603.4 mi. Flights usually cover this in 10h 45m, depending on flying conditions and air traffic around both airports.

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

    Prices for flights from Islip Long Island Airport to San Francisco Airport are refreshed on a daily basis.

  • How old do you have to be to fly from Islip Long Island Airport to San Francisco Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Islip Long Island Airport to San Francisco Airport.

  • What documentation or ID do you need to fly to San Francisco Airport?

    The required travel and health documents for your San Francisco Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at San Francisco Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Traveling to a place near San Francisco?

Book flights to San Francisco if you plan to visit one of these locations
Santa Cruz
Carmel-by-the-Sea
Modesto
South San Francisco
Hayward
Berkeley
Bodega Bay
Fremont
Walnut Creek
Santa Clara
Sunnyvale
Vallejo
Half Moon Bay
Roseville
Salinas
Sonoma
Milpitas
Daly City
Pacific Grove
Palo Alto

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Islip to San Francisco for you.

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

All flight searches from Islip to San Francisco on momondo can be filtered to show those which offer flexible booking policies.

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

Once all potential Islip to San Francisco flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

Of course. momondo tracks the price of Islip to San Francisco flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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