What is the cheapest flight from Islip to San Francisco?

In the last 3 days, the lowest price for a flight from Islip to San Francisco was $150 for a one-way ticket and $279 for a round-trip. Visit our flight page for the latest deals!>/a>

Do I need a passport to fly between Islip and San Francisco?

A passport is not required to fly from Islip to San Francisco. Visit our flight page for the latest deals!>/a>

Which airports will I be using when flying from Islip to San Francisco?

Islip airport is called Islip Long Island and the only airport in San Francisco is San Francisco. Visit our flight page for the latest deals!>/a>

Which aircraft models fly most regularly from Islip to San Francisco?

We unfortunately don’t have that data for this specific route.

How does KAYAK find such low prices on flights from Islip to San Francisco?

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Islip to San Francisco. Visit our flight page for the latest deals!>/a>

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Islip to San Francisco?

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to San Francisco from Islip is likely to change within 7 days, so travelers know whether to wait or book now. Visit our flight page for the latest deals!>/a>

What is the Hacker Fare option on flights from Islip to San Francisco?

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to San Francisco with an airline and back to Islip with another airline. Booking your flights between Islip and SFO can sometimes prove cheaper using this method. Visit our flight page for the latest deals!>/a>

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Islip to San Francisco?

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to San Francisco from Islip up to 3 days before/after your preferred dates. You can then pick the flights that suit you best. Visit our flight page for the latest deals!>/a>

$150 CHEAP FLIGHTS from Islip to San Francisco (ISP - SFO)

ISP - SFO

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

Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Islip to San Francisco that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.

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

Fri, Sep 12 - Sun, Sep 21

11:35 am - 7:20 pmISP-SFO

10h 45m1 stop

10:15 pm - 10:50 amSFO-ISP

9h 35m1 stop

$279JetBlue

Find Deal

Fri, Oct 3 - Fri, Oct 10

11:35 am - 7:20 pmISP-SFO

10h 45m1 stop

10:15 pm - 10:50 amSFO-ISP

9h 35m1 stop

$323JetBlue

Find Deal

Wed, Nov 12 - Fri, Nov 14

5:40 am - 1:20 pmISP-SFO

10h 40m1 stop

10:10 am - 11:50 pmSFO-ISP

10h 40m2 stops

$339Southwest

Find Deal

Wed, Nov 12 - Fri, Nov 14

12:55 pm - 10:30 pmISP-SFO

12h 35m2 stops

10:10 am - 11:50 pmSFO-ISP

10h 40m2 stops

$344Southwest

Find Deal

Tue, Jun 24 - Fri, Jun 27

8:21 pm - 10:19 amISP-SFO

16h 58m1 stop

8:53 pm - 7:36 pmSFO-ISP

19h 43m1 stop

$430Frontier

Find Deal

Sat, Sep 13 - Sun, Sep 21

5:05 pm - 7:46 amISP-SFO

17h 41m2 stops

5:03 pm - 10:37 amSFO-ISP

14h 34m2 stops

$459Frontier

Find Deal

Thu, Sep 4 - Sun, Sep 7

7:36 pm - 12:02 pmISP-SFO

19h 26m3 stops

12:50 pm - 8:07 pmSFO-ISP

28h 17m2 stops

$635Breeze Airways

Find Deal

Tue, Jul 8 - Fri, Jul 11

1:55 pm - 11:39 amISP-SFO

24h 44m3 stops

12:29 pm - 1:32 pmSFO-ISP

22h 03m2 stops

$707Breeze Airways

Find Deal

Thu, Jul 10 - Tue, Jul 22

7:39 pm - 10:53 pmISP-SFO

30h 14m3 stops

6:11 pm - 2:15 pmSFO-ISP

17h 04m2 stops

$812

Find Deal

Mon, Jul 14 - Thu, Jul 17

11:53 am - 9:28 amISP-SFO

24h 35m1 stop

12:30 am - 8:01 pmSFO-ISP

16h 31m3 stops

$919

Find Deal

Useful Info

KAYAK's insights & trends for Islip to San Francisco flights

Get data-powered insights and trends into flights from Islip to San Francisco to help you find the cheapest flights, the best time to fly and much more.

Which airlines provide the cheapest flights from Islip to San Francisco?

In the past 3 days, the cheapest round-trip tickets from Islip to San Francisco were found on JetBlue ($279) and Southwest ($339).

Find deals

Cheapest flight	$150

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.

What is the cheapest flight from Islip to San Francisco?
In the last 3 days, the lowest price for a flight from Islip to San Francisco was $150 for a one-way ticket and $279 for a round-trip.
Do I need a passport to fly between Islip and San Francisco?
A passport is not required to fly from Islip to San Francisco.
Which airports will I be using when flying from Islip to San Francisco?
Islip airport is called Islip Long Island and the only airport in San Francisco is San Francisco.
Which aircraft models fly most regularly from Islip to San Francisco?
We unfortunately don’t have that data for this specific route.
How does KAYAK find such low prices on flights from Islip to San Francisco?
KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Islip to San Francisco.
How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Islip to San Francisco?
KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to San Francisco from Islip is likely to change within 7 days, so travelers know whether to wait or book now.
What is the Hacker Fare option on flights from Islip to San Francisco?
Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to San Francisco with an airline and back to Islip with another airline. Booking your flights between Islip and SFO can sometimes prove cheaper using this method.
What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Islip to San Francisco?
Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to San Francisco from Islip up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Everything you need to know for your flight from Islip to San Francisco

Airports

Cabin class

Complete your trip

Direct Flights

Flights to other cities

Origins

Other airports

Return flight deals

Information on your arrival and departure airports

Islip (ISP)

San Francisco (SFO)

Not what you’re looking for? Find thousands of other hotels, flights, car rentals and package deals with KAYAK.

ISP - SFO

$150 Find Cheap Flights from Islip to San Francisco

KAYAK searches hundreds of travel sites at once for deals on flights to San Francisco

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

KAYAK's insights & trends for Islip to San Francisco flights

Get data-powered insights and trends into flights from Islip to San Francisco to help you find the cheapest flights, the best time to fly and much more.

Which airlines provide the cheapest flights from Islip to San Francisco?

In the past 3 days, the cheapest round-trip tickets from Islip to San Francisco were found on JetBlue ($279) and Southwest ($339).

Good to know

When to book flights from Islip to San Francisco

FAQs for booking flights from Islip to San Francisco

What is the cheapest flight from Islip to San Francisco?

In the last 3 days, the lowest price for a flight from Islip to San Francisco was $150 for a one-way ticket and $279 for a round-trip.

Do I need a passport to fly between Islip and San Francisco?

A passport is not required to fly from Islip to San Francisco.

Which airports will I be using when flying from Islip to San Francisco?

Islip airport is called Islip Long Island and the only airport in San Francisco is San Francisco.

Which aircraft models fly most regularly from Islip to San Francisco?

We unfortunately don’t have that data for this specific route.

How does KAYAK find such low prices on flights from Islip to San Francisco?

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Islip to San Francisco.

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Islip to San Francisco?

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to San Francisco from Islip is likely to change within 7 days, so travelers know whether to wait or book now.

What is the Hacker Fare option on flights from Islip to San Francisco?

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to San Francisco with an airline and back to Islip with another airline. Booking your flights between Islip and SFO can sometimes prove cheaper using this method.

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Islip to San Francisco?

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to San Francisco from Islip up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Everything you need to know for your flight from Islip to San Francisco

Information on your arrival and departure airports

Cabin class types available on flights from Islip to San Francisco

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

Find direct flights to and from Islip and San Francisco

Flights to other popular destinations

Flights from domestic origins to San Francisco

Choose which airport to fly into in San Francisco

Find deals for your return flight