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Cheap flights from Islip to California from $132

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Islip to California departing on 11/5. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Islip to California

Cheap round-trip flights

Frontier Logo
4:58 pm - 11:52 pmISP-LAS
9h 54m1 stop
Frontier Logo
11:02 pm - 10:37 amLAS-ISP
8h 35m1 stop
$179Frontier
Find Deal
sáb., oct. 25 - vie., oct. 31
Frontier Logo
4:58 pm - 12:54 amISP-LAS
10h 56m1 stop
Frontier Logo
10:16 pm - 10:57 amLAS-ISP
9h 41m1 stop
$181Frontier
Find Deal
lun., oct. 20 - mar., oct. 21
JetBlue Logo
4:25 pm - 11:02 pmISP-LAX
9h 37m1 stop
JetBlue Logo
11:00 pm - 12:48 pmLAX-ISP
10h 48m1 stop
$273JetBlue
Find Deal
mié., nov. 5 - mié., nov. 12
JetBlue Logo
1:57 pm - 8:47 pmISP-LAS
9h 50m1 stop
JetBlue Logo
11:59 pm - 1:02 pmLAS-ISP
10h 03m1 stop
$285JetBlue
Find Deal
lun., oct. 27 - vie., oct. 31
Multiple Airlines Logo
2:25 pm - 2:39 pmISP-LAS
27h 14m2 stops
Multiple Airlines Logo
10:30 pm - 7:14 pmLAS-ISP
17h 44m1 stop
$291Multiple Airlines
Find Deal
vie., dic. 5 - mar., dic. 9
Southwest Logo
3:55 pm - 10:10 pmISP-LAX
9h 15m1 stop
Southwest Logo
11:35 pm - 12:30 pmLAX-ISP
9h 55m1 stop
$371Southwest
Find Deal
lun., nov. 17 - lun., nov. 17
Southwest Logo
12:55 pm - 8:15 pmISP-LAX
10h 20m2 stops
Southwest Logo
9:55 pm - 12:15 pmLAX-ISP
11h 20m1 stop
$374Southwest
Find Deal
lun., nov. 17 - lun., nov. 17
Multiple Airlines Logo
8:47 pm - 11:58 amISP-LAX
18h 11m1 stop
Multiple Airlines Logo
12:53 am - 8:42 pmLAX-ISP
16h 49m2 stops
$417Multiple Airlines
Find Deal
vie., oct. 3 - lun., oct. 6
Breeze Airways Logo
7:36 pm - 12:27 pmISP-SAN
19h 51m1 stop
Breeze Airways Logo
1:21 pm - 1:45 pmSAN-ISP
21h 24m1 stop
$772Breeze Airways
Find Deal
dom., oct. 19 - dom., oct. 26
Breeze Airways Logo
8:47 pm - 12:05 pmISP-SFO
18h 18m2 stops
Breeze Airways Logo
12:47 pm - 8:05 pmSFO-ISP
28h 18m3 stops
$892Breeze Airways
Find Deal
lun., oct. 6 - vie., oct. 10

JetBlue flights from Islip to California

Our best JetBlue deals on Islip to California flight tickets
JetBlue
Nov 5
ISP4:25 pmIslip Long Island
9h 37m
1 stop
LAX11:02 pmLos Angeles
Nov 12
LAX11:00 pmLos Angeles
10h 48m
1 stop
ISP12:48 pmIslip Long Island
$273
Find similar
JetBlue
Oct 27
ISP1:57 pmIslip Long Island
9h 50m
1 stop
LAS8:47 pmLas Vegas Harry Reid Intl
Oct 31
LAS11:59 pmLas Vegas Harry Reid Intl
10h 03m
1 stop
ISP1:02 pmIslip Long Island
$285
Find similar
JetBlue
Oct 27
ISP1:57 pmIslip Long Island
9h 50m
1 stop
LAS8:47 pmLas Vegas Harry Reid Intl
Oct 30
LAS10:10 pmLas Vegas Harry Reid Intl
10h 28m
1 stop
ISP11:38 amIslip Long Island
$288
Find similar

Frontier flights from Islip to California

Our best Frontier deals on Islip to California flight tickets
Frontier
Oct 25
ISP4:58 pmIslip Long Island
9h 54m
1 stop
LAS11:52 pmLas Vegas Harry Reid Intl
Oct 31
LAS11:02 pmLas Vegas Harry Reid Intl
8h 35m
1 stop
ISP10:37 amIslip Long Island
$179
Find similar
Frontier
Oct 20
ISP4:58 pmIslip Long Island
10h 56m
1 stop
LAS12:54 amLas Vegas Harry Reid Intl
Oct 21
LAS10:16 pmLas Vegas Harry Reid Intl
9h 41m
1 stop
ISP10:57 amIslip Long Island
$181
Find similar
Frontier
Oct 16
ISP9:37 pmIslip Long Island
13h 51m
1 stop
LAX8:28 amLos Angeles
Oct 20
LAX2:27 pmLos Angeles
27h 15m
1 stop
ISP8:42 pmIslip Long Island
$187
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Islip to California 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, momondo users made 832,500 searches. Data last updated septiembre 23, 2025.
Use the filters below to find and compare flights from Islip to California that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

IslipLas Vegas

ISP - LAS

ISPLAS

Islip Long Island

sáb. 10/25

4:58 pm-11:52 pm

1 stop9h 54m

Las Vegas Harry Reid Intl

vie. 10/31

11:02 pm-10:37 am

1 stop8h 35m

$179

IslipLas Vegas

ISP - LAS

ISPLAS

Islip Long Island

lun. 10/20

4:58 pm-12:54 am

1 stop10h 56m

Las Vegas Harry Reid Intl

mar. 10/21

10:16 pm-10:57 am

1 stop9h 41m

$181

IslipLos Angeles

ISP - LAX

ISPLAX

Islip Long Island

mié. 11/5

4:25 pm-11:02 pm

1 stop9h 37m

Los Angeles

mié. 11/12

11:00 pm-12:48 pm

1 stop10h 48m

$273

IslipLas Vegas

ISP - LAS

ISPLAS

Islip Long Island

lun. 10/27

1:57 pm-8:47 pm

1 stop9h 50m

Las Vegas Harry Reid Intl

vie. 10/31

11:59 pm-1:02 pm

1 stop10h 03m

$285

IslipLas Vegas

ISP - LAS

ISPLAS

Islip Long Island

vie. 12/5

2:25 pm-2:39 pm

2 stops27h 14m

Las Vegas Harry Reid Intl

mar. 12/9

10:30 pm-7:14 pm

1 stop17h 44m

$291

IslipLos Angeles

ISP - LAX

ISPLAX

Islip Long Island

lun. 11/17

3:55 pm-10:10 pm

1 stop9h 15m

Los Angeles

lun. 11/17

11:35 pm-12:30 pm

1 stop9h 55m

$371

IslipLos Angeles

ISP - LAX

ISPLAX

Islip Long Island

lun. 11/17

12:55 pm-8:15 pm

2 stops10h 20m

Los Angeles

lun. 11/17

9:55 pm-12:15 pm

1 stop11h 20m

$374

IslipLos Angeles

ISP - LAX

ISPLAX

Islip Long Island

vie. 10/3

8:47 pm-11:58 am

1 stop18h 11m

Los Angeles

lun. 10/6

12:53 am-8:42 pm

2 stops16h 49m

$417

IslipSan Diego

ISP - SAN

ISPSAN

Islip Long Island

dom. 10/19

7:36 pm-12:27 pm

1 stop19h 51m

San Diego

dom. 10/26

1:21 pm-1:45 pm

1 stop21h 24m

$772

IslipSan Francisco

ISP - SFO

ISPSFO

Islip Long Island

lun. 10/6

8:47 pm-12:05 pm

2 stops18h 18m

San Francisco

vie. 10/10

12:47 pm-8:05 pm

3 stops28h 18m

$892

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to California from

How to get the cheapest flight ticket from Islip to California

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to California?

The month of January is another great option to travel to California, with average flight prices from Islip averaging around $376.

What is the cheapest day to depart on your flight to California?

The cheapest day to depart from Islip to California is on a Thursday. Travelers who choose to depart for California on a Thursday will often find tickets for as low as $748. Be sure to avoid booking your departure on a Tuesday as prices are generally higher than usual. According to our data, the average ticket price to California on Tuesday is $776.

What is the cheapest time of day to depart on your flight to California?

The cheapest time of day to fly to California is in the morning when flights can be purchased for as low as $591. If you have a flexible travel schedule, then try to avoid flying in the afternoon when prices are $678 on average. Flights to California from Islip in the afternoon are generally more expensive because this time of day is more convenient for travelers’ schedules.

Can stopping save me money on Islip to California flights?

You could potentially save up to 2% on your flight if you consider stops on a Islip to California flight.

Cheap Islip to California flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Islip to California

Direct flights

None
There are no direct flights from Islip to California. There are no popular flight routes from Islip to California.
Search flight deals

  • When did momondo last update prices for flights from Islip Long Island Airport to California?

    Prices for flights from Islip Long Island Airport to California are refreshed on a daily basis.

  • How many operators does momondo search for flights from Islip Long Island Airport to California?

  • How old do you have to be to fly from Islip Long Island Airport to California?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Islip Long Island Airport to California.

  • What documentation or ID do you need to fly to California?

    The travel and health documents required for your trip to California can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at California. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Best airlines flying from Islip to California

Compare and see reviews for airlines that fly from Islip to California with momondo
Airline
Rating
Free Cancellation
Price
SouthwestPriceFrom $350Free CancellationRating
8.0
4,244 reviews
Search Southwest flights

Why use momondo?

Why should I use momondo to find a flight deal from Islip to California?

It is quick and easy to find Islip to California flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to California that suits you.

Can I find flights from Islip to California with flexible booking policies on momondo?

All flight searches from Islip to California on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Islip to California?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Islip to California.

I’m not ready to book a flight from Islip to California right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Islip to California flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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