sfo-to-isp

image-8457486-13579460

The cheapest times to fly from SFO to ISP are

  • January 1st to March 11th
  • April 16th to May 13th
  • August 13th to September 30th (except the week of August 27th)
  • October 15th to November 18th

based on data collected exclusively by Champion Traveler across tens of millions of flights. Among all the dates above, the very cheapest time to fly from SFO to ISP is late January. Prices can be as high as $1018 for Sunday flights during mid December, or as low as $272 for Tuesday flights around late January.

 

When to Fly to Islip

Flying from San Francisco, CA (SFO) to Islip, NY (ISP) will usually cost between $275 to $722 per person if booking more than four weeks in advance. On average the very cheapest time to fly is late January with an average ticket price of $272. Due to high demand the most expensive time to fly is mid December, with an average price of $754. Planning your trip to low-cost times can easily save you $482 on economy flights and even more on first-class flights. Generally, any price below $384 can be considered a good price for a round-trip SFO to ISP flight.

See below for a graph of average weekly prices for the SFO to ISP route. All prices are for round-trip tickets in USD.

Key
SFO to ISP Flight Prices

Compared to other flights, the SFO to ISP flight is much cheaper than the average and costs much less than the average flight leaving from San Francisco. The average price per mile (for a direct flight) is $0.09, which is far below average.

 

Flight Prices by Day of the Week

Tuesday is usually the cheapest day to depart and return on this flight. Sundays are the most expensive days to fly out or take a return trip. Selecting flights on the least expensive days could save you up to $235 (41%) on this flight.

Departing prices are for round-trip flights returning on the day of departure. For example, a flight departing on Tuesday and returning a week later will cost an average of $333. Return trip prices are from the ISP to SFO flight, and often highlight the quality of our data in showing the same trend.

Departing Prices by Day

Key
Departure Day Prices

Return Trip Prices by Day

Key
Return Day Prices

 

Nonstop Flights and Layovers

Travelers looking to fly from SFO to ISP can generally find a 1-layover flight. Because there is not usually a direct flight option the real-world direct flight time of 5 hour 41 minutes may not be realistic.

 

Alternative Nearby Airports

Champion Traveler tells you which airports are nearby and whether tickets might be cheaper alternative airports nearby. Sometimes it’s worth it to fly into a closer airport and then commute to your destination. Remember that there is not usually a nonstop flight from SFO to ISP while comparing.

Destination alternative #1: Newark Liberty International Airport (EWR) in Newark, NJ

  • 56 miles (90 km) away from ISP
  • Usually 27.21% less expensive than ISP
  • Nonstop flights available

See SFO to EWR flights

Destination alternative #2: John F. Kennedy International Airport (JFK) in New York, NY

  • 37 miles (60 km) away from ISP
  • Usually 26.43% less expensive than ISP
  • Nonstop flights available

See SFO to JFK flights

Destination alternative #3: LaGuardia Airport (LGA) in New York, NY

  • 40 miles (64 km) away from ISP
  • Usually 8.98% less expensive than ISP
  • 1-layover flights available

See SFO to LGA flights

Destination alternative #4: Philadelphia International Airport (PHL) in Philadelphia, PA

  • 130 miles (209 km) away from ISP
  • Usually 14.84% less expensive than ISP
  • Nonstop flights available

See SFO to PHL flights

Destination alternative #5: Westchester County Airport (HPN) in White Plains, NY

  • 37 miles (60 km) away from ISP
  • Usually 3.91% less expensive than ISP
  • 1-layover flights available

See SFO to HPN flights

Destination alternative #6: Wilkes Barre Scranton International Airport (AVP) in Scranton/Wilkes-Barre, PA

  • 142 miles (229 km) away from ISP
  • Usually 8.85% less expensive than ISP
  • 1-layover flights available

See SFO to AVP flights

 

Flight Questions Answered

Still have questions about flying from SFO to ISP? We’ve got answers.

Which airlines fly this route?

You can find 4 major airlines flying this route most often: Alaska, American, Frontier, Southwest, and potentially more during busy seasons.

How far away is it from Long Island MacArthur Airport to San Francisco International Airport?

The distance between the two airports is roughly 2612 miles or 4204 kilometers.

How long does it take to fly from SFO to ISP?

The real-world flight time for a nonstop SFO to ISP flight is about 5 hour 41 minutes.

How many flights go between San Francisco, CA and Islip, NY?

It depends on the day of the week and the date, but a typical day might have around 71 available flights from SFO to ISP.

 

Airport Location Info

 

Departing Airport

Origination codeSFO
Origination airport nameSan Francisco International Airport
CitySan Francisco, CA
Countrythe United States
Latitude37.6
Longitude-122.4

Return Airport

Destination codeISP
Destination airport nameLong Island MacArthur Airport
CityIslip, NY
Countrythe United States
Latitude40.8
Longitude-73.1

 

Other Resources

Please note that while we’ve worked hard to analyzed tens of millions of flights to get you this data, we do not calculate current live prices or guarantee pricing. Please see our partners using the links above for current offers.