ISP

$208 Find Cheap Flights from San Francisco Bay Area to Islip

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight to Islip departing on 5/29. 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.
1 adult
1 adult, Economy, 0 bags

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Everything you should know

Cheapest round-trip
$440
Southwest
Wed 5/6Mon 5/11
SJC - ISP • 2 stops
Cheapest one-way
$208
Typical prices: $104-$140
JetBlue
Fri 5/29
SFO - ISP • 1 stop
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Flight Deals
Useful Info
Flight Deals

Cheap Flights from San Francisco Bay Area to Islip

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from San Francisco Bay Area to Islip 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.

Recent round-trip flight deals from San Francisco Bay Area to Islip

Wed, May 6 - Mon, May 11
Southwest Logo
9:05 am - 10:10 pm
SJC
-
ISP
10h 05m
2 stops
Southwest Logo
4:30 pm - 11:55 pm
ISP
-
SJC
10h 25m
2 stops
$440Southwest
Wed, May 6 - Mon, May 11
Southwest Logo
9:40 pm - 11:50 am
SJC
-
ISP
11h 10m
1 stop
Southwest Logo
4:30 pm - 11:55 pm
ISP
-
SJC
10h 25m
2 stops
$491Southwest
Wed, May 6 - Mon, May 11
Southwest Logo
9:40 pm - 11:50 am
SJC
-
ISP
11h 10m
1 stop
Southwest Logo
6:00 am - 12:20 pm
ISP
-
SJC
9h 20m
1 stop
$572Southwest
Mon, Feb 16 - Fri, Feb 20
Southwest Logo
9:05 am - 11:30 pm
SJC
-
ISP
11h 25m
2 stops
Southwest Logo
1:10 pm - 10:40 pm
ISP
-
SJC
12h 30m
2 stops
$808Southwest
Useful Info

Good to know

Low seasonJanuary
Cheapest flight$208
Best time to beat the crowds with an average 6% drop in price.
Most popular time to fly with an average 5% increase in price.
Flight from San Francisco to Islip

FAQs for booking flights from San Francisco Bay Area to Islip

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

    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 San Francisco Bay Area to Islip.

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

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Islip from San Francisco Bay Area 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 San Francisco Bay Area to Islip?

    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 Islip with an airline and back to San Francisco Bay Area with another airline.

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

    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 Islip from San Francisco Bay Area up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Reviews of the top airline flying from San Francisco Bay Area to Islip

 
Need help choosing which airline to fly with from San Francisco Bay Area to Islip? KAYAK airline reviews give an overall score for each airline based on loads of factors, including comfort, boarding, in-flight entertainment and more, to make your decision easier. See airline scores according to verified KAYAK customer reviews.
8.0
SouthwestOverall score based on 4271 reviews
8.6Crew
7.5Entertainment
8.1Boarding
8.0Comfort
7.0Food
Airline reviews

The wifi on the plane is great. The only issue that I have is that I prefer an aisle seat and on my trips this week, I was either in the middle or window. If we can work to secure aisle seating, I will be thrilled. Nice trip.

8.0 ExcellentJoseph, Jan 2026
LGB - PHX
Read more Southwest reviews

The wifi on the plane is great. The only issue that I have is that I prefer an aisle seat and on my trips this week, I was either in the middle or window. If we can work to secure aisle seating, I will be thrilled. Nice trip.

Great flight but super high price. Glad it was a business trip and not personal

3 hour delay. Had to change plans and was still delayed.

We got exit row seats both flights. Everything was running on time

Pretty seamless, just a tad bit late in taking off and landing.

The boarding and seat assignment system no longer works for me, but I know it is being replaced. Otherwise, I am good with the overall experience.

The lead steward kept singing about "San Francisco" and hotel California---more annoying than humorous....needs work. Flight was smooth and on time.

San Diego airport is brand new, spacious, airy and very smooth checkin at SW baggage drop.

Crew could have been friendlier, maybe I'm spoiled by SW crews. In flight wifi was good. Would be nice to have more food offerings on a 4 plus hour flight

Ever since Southwest starting charging for bags, passengers don't want to pay to check their bags, so the gate agents have to beg people to check their roller bags now because there's "not enough space". This was a terrible business move by Southwest.

Traveling to a place near Islip?

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Everything you need to know for your flight to Islip

Information on the airport you'll fly into in Islip

Islip (ISP)