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Cheap flights from Islip, New York to San Francisco from $170

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
6:05 am - 1:50 pmISP  Islip Long Island-SFO San Francisco
10h 45m1 stop Baltimore/Washington
Southwest Logo
9:25 pm - 11:45 amSFO  San Francisco-ISP Islip Long Island
11h 20m1 stop Baltimore/Washington
$385Southwest
Thu, Dec 3 - Mon, Dec 7
Southwest Logo
12:30 pm - 9:25 pmISP  Islip Long Island-SFO San Francisco
11h 55m2 stops Baltimore/Washington Las Vegas Harry Reid Intl
Southwest Logo
8:20 am - 9:45 pmSFO  San Francisco-ISP Islip Long Island
10h 25m2 stops Los Angeles Baltimore/Washington
$389Southwest
Wed, Dec 9 - Wed, Dec 16
Southwest Logo
5:45 am - 2:00 pmISP  Islip Long Island-SFO San Francisco
11h 15m1 stop Baltimore/Washington
Southwest Logo
11:10 am - 9:30 pmSFO  San Francisco-ISP Islip Long Island
7h 20m1 stop Baltimore/Washington
$399Southwest
Wed, Jan 20 - Wed, Jan 27
Southwest Logo
5:45 am - 2:00 pmISP  Islip Long Island-SFO San Francisco
11h 15m1 stop Baltimore/Washington
Southwest Logo
6:20 am - 9:30 pmSFO  San Francisco-ISP Islip Long Island
12h 10m2 stops Chicago Midway Baltimore/Washington
$404Southwest
Wed, Jan 20 - Wed, Jan 27
Southwest Logo
6:05 am - 1:50 pmISP  Islip Long Island-SFO San Francisco
10h 45m1 stop Baltimore/Washington
Southwest Logo
9:25 pm - 11:45 amSFO  San Francisco-ISP Islip Long Island
11h 20m1 stop Baltimore/Washington
$407Southwest
Fri, Dec 4 - Mon, Dec 7
Southwest Logo
5:45 am - 2:10 pmISP  Islip Long Island-SFO San Francisco
11h 25m2 stops Baltimore/Washington Los Angeles
Southwest Logo
8:40 am - 9:30 pmSFO  San Francisco-ISP Islip Long Island
9h 50m2 stops Los Angeles Baltimore/Washington
$409Southwest
Wed, Jan 20 - Wed, Jan 27
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
$413Southwest
Thu, Dec 3 - Mon, Dec 7
Southwest Logo
12:30 pm - 9:25 pmISP  Islip Long Island-SFO San Francisco
11h 55m2 stops Baltimore/Washington Las Vegas Harry Reid Intl
Southwest Logo
7:15 am - 9:45 pmSFO  San Francisco-ISP Islip Long Island
11h 30m2 stops San Diego Baltimore/Washington
$446Southwest
Fri, Dec 4 - Mon, Dec 7
Southwest Logo
12:30 pm - 9:25 pmISP  Islip Long Island-SFO San Francisco
11h 55m2 stops Baltimore/Washington Las Vegas Harry Reid Intl
Southwest Logo
9:25 pm - 11:45 amSFO  San Francisco-ISP Islip Long Island
11h 20m1 stop Baltimore/Washington
$476Southwest
Fri, Dec 4 - Mon, Dec 7
Southwest Logo
6:05 am - 1:50 pmISP  Islip Long Island-SFO San Francisco
10h 45m1 stop Baltimore/Washington
Southwest Logo
9:25 pm - 11:45 amSFO  San Francisco-ISP Islip Long Island
11h 20m1 stop Baltimore/Washington
$484Southwest
Fri, Dec 4 - Mon, Dec 7

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Frontier flights from Islip, New York to San Francisco

Our best Frontier deals on Islip, New York to San Francisco flight tickets
Frontier
Dec 18
ISP11:26 amIslip Long Island
16h 09m
2 stops
SFO12:35 amSan Francisco
Jan 21
SFO3:30 pmSan Francisco
16h 34m
2 stops
ISP11:04 amIslip Long Island
$613
Frontier
Dec 21
ISP11:26 amIslip Long Island
16h 09m
2 stops
SFO12:35 amSan Francisco
Dec 29
SFO5:39 pmSan Francisco
13h 52m
2 stops
ISP10:31 amIslip Long Island
$661
Frontier
Dec 18
ISP11:26 amIslip Long Island
16h 09m
2 stops
SFO12:35 amSan Francisco
Jan 24
SFO6:30 pmSan Francisco
13h 34m
2 stops
ISP11:04 amIslip Long Island
$704

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 4
ISP9:39 amIslip Long Island
29h 12m
2 stops
SFO11:51 amSan Francisco
Dec 6
SFO12:46 pmSan Francisco
17h 13m
2 stops
ISP8:59 amIslip Long Island
$769
Breeze Airways
Nov 8
ISP7:45 pmIslip Long Island
18h 24m
3 stops
SFO11:09 amSan Francisco
Nov 12
SFO12:46 pmSan Francisco
17h 13m
2 stops
ISP8:59 amIslip Long Island
$804
Breeze Airways
Dec 24
ISP7:45 pmIslip Long Island
18h 24m
3 stops
SFO11:09 amSan Francisco
Jan 3
SFO12:46 pmSan Francisco
17h 13m
2 stops
ISP8:59 amIslip Long Island
$824

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

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Route

Depart

Return

Price

Cheapest round-trip

IslipSan Francisco

ISP Islip Long Island - SFO San Francisco

ISPSFO

Islip Long Island

Thu 12/3

6:05 am-1:50 pm

1 stop10h 45m

San Francisco

Mon 12/7

9:25 pm-11:45 am

1 stop11h 20m

$385

IslipSan Francisco

ISP Islip Long Island - SFO San Francisco

ISPSFO

Islip Long Island

Wed 12/9

12:30 pm-9:25 pm

2 stops11h 55m

San Francisco

Wed 12/16

8:20 am-9:45 pm

2 stops10h 25m

$389
Quickest round-trip

IslipSan Francisco

ISP Islip Long Island - SFO San Francisco

ISPSFO

Islip Long Island

Wed 1/20

5:45 am-2:00 pm

1 stop11h 15m

San Francisco

Wed 1/27

11:10 am-9:30 pm

1 stop7h 20m

$399

IslipSan Francisco

ISP Islip Long Island - SFO San Francisco

ISPSFO

Islip Long Island

Wed 1/20

5:45 am-2:00 pm

1 stop11h 15m

San Francisco

Wed 1/27

6:20 am-9:30 pm

2 stops12h 10m

$404

IslipSan Francisco

ISP Islip Long Island - SFO San Francisco

ISPSFO

Islip Long Island

Fri 12/4

6:05 am-1:50 pm

1 stop10h 45m

San Francisco

Mon 12/7

9:25 pm-11:45 am

1 stop11h 20m

$407

IslipSan Francisco

ISP Islip Long Island - SFO San Francisco

ISPSFO

Islip Long Island

Wed 1/20

5:45 am-2:10 pm

2 stops11h 25m

San Francisco

Wed 1/27

8:40 am-9:30 pm

2 stops9h 50m

$409

IslipSan Francisco

ISP Islip Long Island - SFO San Francisco

ISPSFO

Islip Long Island

Thu 12/3

6:05 am-2:00 pm

2 stops10h 55m

San Francisco

Mon 12/7

9:25 pm-11:45 am

1 stop11h 20m

$413

IslipSan Francisco

ISP Islip Long Island - SFO San Francisco

ISPSFO

Islip Long Island

Fri 12/4

12:30 pm-9:25 pm

2 stops11h 55m

San Francisco

Mon 12/7

7:15 am-9:45 pm

2 stops11h 30m

$446

IslipSan Francisco

ISP Islip Long Island - SFO San Francisco

ISPSFO

Islip Long Island

Fri 12/4

12:30 pm-9:25 pm

2 stops11h 55m

San Francisco

Mon 12/7

9:25 pm-11:45 am

1 stop11h 20m

$476

IslipSan Francisco

ISP Islip Long Island - SFO San Francisco

ISPSFO

Islip Long Island

Fri 12/4

6:05 am-1:50 pm

1 stop10h 45m

San Francisco

Mon 12/7

9:25 pm-11:45 am

1 stop11h 20m

$484

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 $489. The most expensive day to fly to San Francisco is Monday, with ticket prices averaging around $686.

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 $520. Flights in the afternoon are often more expensive with an average ticket price of $579.

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

$170

Fastest flight time

11h 15m

Direct flights

None
The best one-way flight to San Francisco from Islip, New York in the past 72 hours is $170. 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 11h 15m
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 11h 15m, 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
Santa Clara
Walnut Creek
Bodega Bay
Fremont
Berkeley
Sunnyvale
Half Moon Bay
Vallejo
Roseville
Salinas
Sonoma
Milpitas
Palo Alto
Daly City
Pacific Grove

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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