ISP

$125 Find Cheap Flights from California to Islip - Compare and Save

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 10/7. 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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Flight Deals

Cheap Flights from California to Islip

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from California 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 California to Islip

Tue, Sep 1 - Tue, Sep 8
Frontier Logo
11:34 am - 9:53 am
LAS
-
ISP
19h 19m
1 stop
Frontier Logo
10:57 am - 8:07 am
ISP
-
LAS
24h 10m
1 stop
$250Frontier
Tue, Sep 1 - Sat, Sep 5
Frontier Logo
9:41 pm - 9:53 am
LAS
-
ISP
9h 12m
1 stop
Frontier Logo
10:57 am - 9:44 pm
ISP
-
LAS
13h 47m
1 stop
$250Frontier
Mon, Aug 24 - Mon, Aug 31
Frontier Logo
11:59 am - 9:53 am
LAS
-
ISP
18h 54m
1 stop
Frontier Logo
7:09 pm - 11:48 am
ISP
-
LAS
19h 39m
1 stop
$250Frontier
Wed, Sep 2 - Wed, Sep 9
Frontier Logo
9:41 pm - 6:14 pm
LAS
-
ISP
17h 33m
1 stop
Frontier Logo
5:43 pm - 8:07 am
ISP
-
LAS
17h 24m
1 stop
$260Frontier
Thu, Sep 10 - Mon, Sep 14
Frontier Logo
9:56 pm - 9:33 am
LAX
-
ISP
8h 37m
1 stop
Frontier Logo
4:13 pm - 6:48 pm
ISP
-
LAX
29h 35m
1 stop
$293Frontier
Wed, Sep 30 - Sun, Oct 4
Frontier Logo
9:56 pm - 9:33 am
LAX
-
ISP
8h 37m
1 stop
Frontier Logo
4:13 pm - 6:48 pm
ISP
-
LAX
29h 35m
1 stop
$309Frontier
Wed, Aug 19 - Tue, Aug 25
Frontier Logo
11:20 pm - 6:14 pm
LAX
-
ISP
15h 54m
1 stop
Frontier Logo
10:57 am - 6:12 pm
ISP
-
LAX
10h 15m
1 stop
$310Frontier
Sat, Sep 12 - Sat, Sep 19
Southwest Logo
10:35 pm - 9:55 am
SAN
-
ISP
8h 20m
1 stop
Southwest Logo
3:15 pm - 8:30 pm
ISP
-
SAN
8h 15m
1 stop
$311Southwest
Thu, Nov 5 - Sat, Nov 7
Southwest Logo
5:10 am - 5:05 pm
LAX
-
ISP
8h 55m
1 stop
Southwest Logo
6:00 am - 11:10 am
ISP
-
LAX
8h 10m
1 stop
$311Southwest
Thu, Sep 10 - Sun, Sep 13
Frontier Logo
9:40 pm - 4:58 pm
LAX
-
ISP
16h 18m
1 stop
Frontier Logo
5:43 pm - 6:10 pm
ISP
-
LAX
27h 27m
1 stop
$311Frontier
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Good to know

Low season

February

Cheapest flight

$125
Best time to beat the crowds but there is an average 2% increase in price.
Most popular time to fly with an average 19% increase in price.
Flight from Las Vegas to Islip

FAQs for booking flights from California to Islip

  • How does KAYAK find such low prices on flights from California 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 California to Islip.

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

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Islip from California 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 California 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 California with another airline.

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

Information on the airport you'll fly into in Islip

Islip (ISP)