Cheap flights from San Francisco to Islip (SFO - ISP) from $205

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 7/1. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
SFO — ISP
may. 21 — may. 281

What is the cheapest day to fly round-trip from San Francisco to Islip, New York?

Tuesday flights are generally found to be more expensive for flights from San Francisco to Islip, New York. This shouldn’t discourage you from searching, as you can still find great deals by being flexible with your options. Use our search form to find deals on tickets to Islip, New York.

How far in advance should I book a flight from San Francisco to Islip, New York?

To save on the cost of your flight from San Francisco to Islip, New York, book at least 55 days before your planned departure. Booking around this time can save you about 64% on the cost of this flight compared to booking a flight leaving this week. We have found prices from $428 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as $557.

What is the cheapest month to fly from San Francisco to Islip, New York?

Due to multiple factors, expect to potentially pay more when booking in June. For low rates, February can be a great choice for travel to Islip, New York. Flights to Islip, New York from San Francisco in February are about $378 on average during February, but can be found for as low as $143.

When is the cheapest time to fly from San Francisco to Islip, New York (SFO - ISP)?

A simple way to save on the total cost of your ticket is to fly from San Francisco to Islip, New York at noon. If you’re flexible enough to do this you can expect to save up to 21% on your trip compared to booking a flight in the morning.

One-way flights to Islip from San Francisco

Search for one-way flight options from San Francisco to Islip. Find affordable one-way fares based on user searches. Compare prices and availability to plan your one-way journey according to your preferred dates and budget. Over the last 7 days, Cheapflights users made 2,637,452 searches. Data last updated mayo 16, 2024.
lun. 7/111:27 pmSFO - ISP
1 stop11h 27mFrontier
Deal found 5/15$205
lun. 6/1711:27 pmSFO - ISP
1 stop11h 27mFrontier
Deal found 5/15$405

When is the cheapest time to fly from San Francisco to Islip, New York?

Use this chart to determine the cheapest time to fly round-trip from San Francisco to Islip. Price data was last updated on May 12, 2024.
Morning
Noon
Afternoon
Evening
All times are departure.
Travelers seeking maximum savings on their San Francisco to Islip, New York flight should consider departing on Thursday at noon when fares are most often at their lowest. Thursday at noon flights should be avoided if possible as fares are typically the most expensive at this time.
Search Deals

Reviews of airlines servicing Islip

Get insights into the airlines that provide service to Islip. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Islip. Reviews last updated mayo 16, 2024.
6.3
Okay
4,060 reviews

Food

5.2

Crew

7.1

Comfort

5.8

Overall

6.3

Entertainment

4.9

Boarding

6.6

Reviews

1 / 10

Inexpensive flight, and everything is an extra charge, so okay, fair deal!

6.3
Okay
4,060 reviews
6.3
Okay
4,060 reviews

Food

5.2

Crew

7.1

Comfort

5.8

Overall

6.3

Entertainment

4.9

Boarding

6.6

Reviews

1 / 10

Inexpensive flight, and everything is an extra charge, so okay, fair deal!

Related info for your journey

Find useful and relevant information for your journey from San Francisco to Islip. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • What does SFO to ISP mean?

    This is defined as San Francisco Airport (SFO) and Islip Long Island Airport (ISP). Codes like Islip Long Island Airport are often used to just call airports uniquely.

  • Can I find deals for flights from San Francisco to Islip that include extra baggage allowance?

    The amount of baggage you can bring on your San Francisco to Islip flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

  • Can I find deals on flights from San Francisco to Islip with specific airlines?

    Yes, Cheapflights allows you to browse and filter San Francisco to Islip flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

  • Can I find deals for flights from San Francisco to Islip that include hotel bookings?

    Yes. In addition to deals on San Francisco to Islip flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from San Francisco to Islip?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from San Francisco to Islip.

  • Can I find deals for business class flights from San Francisco to Islip?

    Yes. Cheapflights offers flight deals from San Francisco to Islip by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • Can I find deals for flights from San Francisco to Islip that allow pets onboard?

    Many airlines flying from San Francisco to Islip offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

  • Can I find deals on last-minute flights from San Francisco to Islip?

    Yes, you can often find last-minute deals on San Francisco to Islip flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for San Francisco to Islip
See prices for flight routes from nearby airports that may be better suited for you.

Search flights from San Francisco to Islip by cabin class

Find flights from San Francisco to Islip, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from San Francisco to Islip?

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to Islip from San Francisco today with Cheapflights!

Why should you use Cheapflights to find cheap flight tickets from San Francisco to Islip?

Cheapflights simply makes it quick and affordable to book flights from San Francisco to Islip by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

Can Cheapflights find flights from San Francisco to Islip with no change fees?

Users can book flights with no change fees policies with our dedicated filters. Book flights from San Francisco to Islip flexibly with Cheapflights today.

Can Cheapflights notify me if prices for flights from San Francisco to Islip become cheaper?

Yes, Cheapflights offers price alerts on San Francisco to Islip flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

100% Free
Cheapflights is completely free to use, so you can start saving the moment you arrive.
Book with Flexibility
Our users can plan ahead with confidence and find flights with no change fees
Travel Smart
Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.