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Cheap flights from San Francisco to Islip (SFO - ISP) from $215

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 6/24. 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
Jun 2 — Jun 91
From?
To?
Sun 6/2
Sun 6/9
1 adult, Economy
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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 62% on the cost of this flight compared to booking a flight leaving this week. We have found prices from $433 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as $558.

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 $381 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.

Cheap San Francisco to Islip flights in May & June 2024

Find cheap flight options from San Francisco to Islip specifically for the months of May and June 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 2,696,634 searches. Prices were last updated on May 28, 2024.
Sun 6/2311:59 pmSFO - ISP
2 stops14h 08mMultiple Airlines
Sun 6/302:05 pmISP - SFO
2 stops21h 02mMultiple Airlines
Deal found 5/27$751
Sun 6/2311:59 pmSFO - ISP
2 stops14h 08mMultiple Airlines
Sun 6/302:05 pmISP - SFO
2 stops21h 02mMultiple Airlines
Deal found 5/28$757
Sun 6/2311:59 pmSFO - ISP
2 stops14h 08mMultiple Airlines
Sun 6/301:05 pmISP - SFO
3 stops25h 37mMultiple Airlines
Deal found 5/28$821

San Francisco to Islip 2024 flight deals

Discover exclusive flight deals for travel between San Francisco and Islip in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 2,696,634 searches. Data last updated May 28, 2024.
Sun 6/2311:59 pmSFO - ISP
2 stops14h 08mMultiple Airlines
Sun 6/302:05 pmISP - SFO
2 stops21h 02mMultiple Airlines
Deal found 5/27$751
Sun 6/2311:59 pmSFO - ISP
2 stops14h 08mMultiple Airlines
Sun 6/302:05 pmISP - SFO
2 stops21h 02mMultiple Airlines
Deal found 5/28$757
Sun 6/2311:59 pmSFO - ISP
2 stops14h 08mMultiple Airlines
Sun 6/301:05 pmISP - SFO
3 stops25h 37mMultiple Airlines
Deal found 5/28$821

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 2,696,634 searches. Data last updated May 28, 2024.
Mon 6/2411:29 pmSFO - ISP
1 stop11h 25mFrontier
Deal found 5/27$215
Mon 6/2411:29 pmSFO - ISP
1 stop11h 25mFrontier
Deal found 5/27$243
Sun 6/2311:59 pmSFO - ISP
2 stops14h 08mMultiple Airlines
Deal found 5/27$369

Find flights from San Francisco to Islip within your budget

Customize your flight search to find flights from San Francisco to Islip that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,696,634 searches. Data last updated May 28, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$784 - $821

Route

Depart

Return

Price

San FranciscoIslip Long Island

SFO - ISP

SFOISP

San Francisco

Sun 6/23

2 stops14h 08m

Islip Long Island

Sun 6/30

2 stops22h 33m

$784

San FranciscoIslip Long Island

SFO - ISP

SFOISP

San Francisco

Sun 6/23

2 stops14h 08m

Islip Long Island

Sun 6/30

3 stops25h 37m

$821

Flights are sorted by cheapest first

Deals found on 5/28

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 26, 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

Best time to book a flight from San Francisco to Islip

Have a flexible travel schedule? Discover the best time to fly to Islip from San Francisco with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap 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 May 28, 2024.
Frontier
6.3
Okay
4,016 reviews
Check prices

Boarding

6.6

Food

5.1

Overall

6.3

Crew

7.1

Entertainment

4.9

Comfort

5.8

Reviews

1 / 10

I'd thought there would be a complimentary drink atleast.

Frontier
6.3
Okay
4,016 reviews
Frontier
6.3
Okay
4,016 reviews
Check prices

Boarding

6.6

Food

5.1

Overall

6.3

Crew

7.1

Entertainment

4.9

Comfort

5.8

Reviews

1 / 10

I'd thought there would be a complimentary drink atleast.

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.

  • Can I find flights from San Francisco to Islip, New York for under $800 on Cheapflights?

    Yes, there are multiple flights from San Francisco to Islip, New York for under $800. The cheapest flight booked recently is on Multiple Airlines for just $784, but on average you can expect to pay $802.

  • 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.

  • How recently were the San Francisco to Islip, New York flight deals updated?

    The San Francisco to Islip, New York flight deals you see on this page were last updated on 5/28.

  • When is the best time to book a flight from San Francisco to Islip, New York?

    Currently, December is the cheapest month in which you can book a flight from San Francisco to Islip, New York (average of $78). Flying from San Francisco to Islip, New York in February is currently the most expensive (average of $151). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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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.
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Fly with Cheapflights

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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.

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