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Cheap flights from Islip, New York to San Francisco from $250

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
5:45 am - 2:20 pmISP  Islip Long Island-SFO San Francisco
11h 35m1 stop Baltimore/Washington
Southwest Logo
9:25 pm - 11:55 amSFO  San Francisco-ISP Islip Long Island
11h 30m1 stop Baltimore/Washington
$369Southwest
Thu, Jan 14 - Mon, Jan 18
Southwest Logo
5:45 am - 2:20 pmISP  Islip Long Island-SFO San Francisco
11h 35m1 stop Baltimore/Washington
Southwest Logo
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
Southwest Logo
5:45 am - 12:45 pmISP  Islip Long Island-SFO San Francisco
10h 00m2 stops Baltimore/Washington Chicago Midway
Southwest Logo
9:45 am - 10:45 pmSFO  San Francisco-ISP Islip Long Island
10h 00m2 stops Austin Bergstrom Baltimore/Washington
$507Southwest
Thu, Jan 14 - Mon, Jan 18
Southwest Logo
5:35 am - 1:45 pmISP  Islip Long Island-SFO San Francisco
11h 10m1 stop Baltimore/Washington
Southwest Logo
9:25 pm - 11:45 amSFO  San Francisco-ISP Islip Long Island
11h 20m1 stop Baltimore/Washington
$512Southwest
Sun, Nov 1 - Thu, Nov 12
Southwest Logo
5:40 am - 11:55 amISP  Islip Long Island-SFO San Francisco
9h 15m1 stop Baltimore/Washington
Southwest Logo
11:40 pm - 2:30 pmSFO  San Francisco-ISP Islip Long Island
11h 50m2 stops Chicago Midway Baltimore/Washington
$530Southwest
Sun, Oct 4 - Wed, Oct 7
Southwest Logo
6:15 am - 12:20 pmISP  Islip Long Island-SFO San Francisco
9h 05m1 stop Baltimore/Washington
Southwest Logo
11:10 am - 9:50 pmSFO  San Francisco-ISP Islip Long Island
7h 40m1 stop Baltimore/Washington
$533Southwest
Sat, Oct 10 - Sat, Oct 17
Southwest Logo
9:40 am - 2:35 pmISP  Islip Long Island-SFO San Francisco
7h 55m1 stop Baltimore/Washington
Southwest Logo
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
Southwest Logo
12:50 pm - 9:40 pmISP  Islip Long Island-SFO San Francisco
11h 50m2 stops Baltimore/Washington Las Vegas Harry Reid Intl
Southwest Logo
11:40 pm - 2:30 pmSFO  San Francisco-ISP Islip Long Island
11h 50m2 stops Chicago Midway Baltimore/Washington
$543Southwest
Wed, Oct 7 - Wed, Oct 14
Multiple Airlines Logo
5:43 pm - 10:47 amISP  Islip Long Island-SFO San Francisco
20h 04m2 stops Orlando Denver Intl
Multiple Airlines Logo
12:36 pm - 6:51 pmSFO  San Francisco-ISP Islip Long Island
27h 15m1 stop Richmond Byrd Intl
$552Multiple Airlines
Tue, Sep 29 - Sat, Oct 3
Southwest Logo
9:40 am - 2:35 pmISP  Islip Long Island-SFO San Francisco
7h 55m1 stop Baltimore/Washington
Southwest Logo
9:35 pm - 2:30 pmSFO  San Francisco-ISP Islip Long Island
13h 55m1 stop Baltimore/Washington
$574Southwest
Wed, Oct 7 - Wed, Oct 14

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JetBlue flights from Islip, New York to San Francisco

Our best JetBlue deals on Islip, New York to San Francisco flight tickets
JetBlue
Oct 6
ISP7:00 amIslip Long Island
29h 05m
1 stop
SFO9:05 amSan Francisco
Oct 13
SFO11:10 pmSan Francisco
19h 27m
1 stop
ISP9:37 pmIslip Long Island
$585
JetBlue
Oct 18
ISP6:00 amIslip Long Island
21h 07m
1 stop
SFO12:07 amSan Francisco
Oct 25
SFO11:25 pmSan Francisco
19h 12m
1 stop
ISP9:37 pmIslip Long Island
$695

Frontier flights from Islip, New York to San Francisco

Our best Frontier deals on Islip, New York to San Francisco flight tickets
Frontier
Oct 6
ISP5:43 pmIslip Long Island
29h 25m
2 stops
SFO8:08 pmSan Francisco
Oct 13
SFO10:14 pmSan Francisco
40h 16m
2 stops
ISP5:30 pmIslip Long Island
$624
Frontier
Oct 18
ISP6:25 pmIslip Long Island
26h 30m
2 stops
SFO5:55 pmSan Francisco
Oct 25
SFO10:14 pmSan Francisco
16h 46m
2 stops
ISP6:00 pmIslip Long Island
$710
Frontier
Nov 21
ISP4:43 pmIslip Long Island
19h 18m
2 stops
SFO9:01 amSan Francisco
Nov 23
SFO9:11 pmSan Francisco
15h 34m
2 stops
ISP3:45 pmIslip Long Island
$842

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

IslipSan Francisco

ISP Islip Long Island - SFO San Francisco

ISPSFO

Islip Long Island

Thu 1/14

5:45 am-2:20 pm

1 stop11h 35m

San Francisco

Mon 1/18

9:25 pm-11:55 am

1 stop11h 30m

$369

IslipSan Francisco

ISP Islip Long Island - SFO San Francisco

ISPSFO

Islip Long Island

Thu 1/14

5:45 am-2:20 pm

1 stop11h 35m

San Francisco

Mon 1/18

9:45 am-10:45 pm

2 stops10h 00m

$435

IslipSan Francisco

ISP Islip Long Island - SFO San Francisco

ISPSFO

Islip Long Island

Thu 1/14

5:45 am-12:45 pm

2 stops10h 00m

San Francisco

Mon 1/18

9:45 am-10:45 pm

2 stops10h 00m

$507

IslipSan Francisco

ISP Islip Long Island - SFO San Francisco

ISPSFO

Islip Long Island

Sun 11/1

5:35 am-1:45 pm

1 stop11h 10m

San Francisco

Thu 11/12

9:25 pm-11:45 am

1 stop11h 20m

$512

IslipSan Francisco

ISP Islip Long Island - SFO San Francisco

ISPSFO

Islip Long Island

Sun 10/4

5:40 am-11:55 am

1 stop9h 15m

San Francisco

Wed 10/7

11:40 pm-2:30 pm

2 stops11h 50m

$530
Quickest round-trip

IslipSan Francisco

ISP Islip Long Island - SFO San Francisco

ISPSFO

Islip Long Island

Sat 10/10

6:15 am-12:20 pm

1 stop9h 05m

San Francisco

Sat 10/17

11:10 am-9:50 pm

1 stop7h 40m

$533

IslipSan Francisco

ISP Islip Long Island - SFO San Francisco

ISPSFO

Islip Long Island

Wed 10/7

9:40 am-2:35 pm

1 stop7h 55m

San Francisco

Wed 10/14

11:40 pm-2:30 pm

2 stops11h 50m

$538

IslipSan Francisco

ISP Islip Long Island - SFO San Francisco

ISPSFO

Islip Long Island

Wed 10/7

12:50 pm-9:40 pm

2 stops11h 50m

San Francisco

Wed 10/14

11:40 pm-2:30 pm

2 stops11h 50m

$543

IslipSan Francisco

ISP Islip Long Island - SFO San Francisco

ISPSFO

Islip Long Island

Tue 9/29

5:43 pm-10:47 am

2 stops20h 04m

San Francisco

Sat 10/3

12:36 pm-6:51 pm

1 stop27h 15m

$552

IslipSan Francisco

ISP Islip Long Island - SFO San Francisco

ISPSFO

Islip Long Island

Wed 10/7

9:40 am-2:35 pm

1 stop7h 55m

San Francisco

Wed 10/14

9:35 pm-2:30 pm

1 stop13h 55m

$574

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 $475. The most expensive day to fly to San Francisco is Sunday, with ticket prices averaging around $662.

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 $496. Flights in the afternoon are often more expensive with an average ticket price of $567.

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

$250

Fastest flight time

9h 05m

Direct flights

None
The best one-way flight to San Francisco from Islip, New York in the past 72 hours is $250. The best round-trip flight deal from Islip, New York to San Francisco found on momondo in the last 72 hours is $369.
The fastest flight from Islip, New York to San Francisco takes 9h 05m
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 9h 05m, 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
Bodega Bay
Hayward
Berkeley
Fremont
Santa Clara
Walnut Creek
Sunnyvale
Vallejo
Half Moon Bay
Roseville
Salinas
Sonoma
Daly City
Milpitas
Pacific Grove
Marina

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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